{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853465","patent":{"patent_number":"US-9853465","title":"Connecting electrical storage devices in parallel","assignee":null,"inventors":[],"filing_date":"2012-02-22T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H02J"],"num_claims":17,"abstract":"A circuit and a method for connecting a first electrical storage device and a second electrical storage device in parallel is disclosed. The first electrical storage device and the second electrical storage device have in each case a no-load voltage UBat1, UBat2 and an impedance R1 and R2, respectively, and have connecting terminals for charge withdrawal or charge supply. The no-load voltage UBat1 of the first storage device is greater than the no-load voltage UBat2 of the second storage device. In the case of a charge withdrawal, a charge is initially only withdrawn from the first storage device and the second storage device is connected in parallel with the first storage device when the difference of the voltage dropped across the connecting terminals of the first storage device and the no-load voltage UBat2 of the second storage device is less than a predetermined differential add-on voltage."},"analysis":{"summary":"The patent titled \"Connecting Electrical Storage Devices in Parallel\" (US-9853465) introduces a sophisticated circuit and method for efficiently and safely connecting multiple electrical storage devices in parallel, particularly when they possess different no-load voltages. The core innovation prevents the detrimental effects of large equalization currents that typically occur when devices with voltage disparities are directly connected.\n\nThe primary problem this invention solves is the inefficiency and accelerated degradation of electrical storage devices (like batteries or capacitors) due to uncontrolled current flow from a higher voltage device to a lower voltage device upon parallel connection. This inrush current wastes energy as heat and reduces the lifespan of the components.\n\nThe key technical approach involves a sequential connection strategy. When charge is withdrawn, the system initially draws power exclusively from the electrical storage device with the higher no-load voltage. The second, lower-voltage device is kept isolated. It is only connected in parallel when the terminal voltage of the first device drops to a point where the difference between its voltage and the no-load voltage of the second device is less than a predetermined 'differential add-on voltage'. This threshold-based connection ensures that the voltage disparity is minimal at the moment of parallel engagement, thereby preventing harmful current surges.\n\nThe business value and applications of this technology are substantial. It enables the creation of more robust, efficient, and longer-lasting battery packs for electric vehicles, renewable energy storage systems, and portable electronics. By extending battery lifespan and improving energy utilization, it reduces operational costs and enhances product reliability. The innovation also simplifies the design of Battery Management Systems (BMS) by mitigating the need for complex pre-charge circuits.\n\nThe market opportunity for this patent is significant across various sectors requiring advanced energy storage, including automotive, grid infrastructure, consumer electronics, and industrial power. Its ability to optimize the integration of diverse or aged storage units positions it as a foundational technology for future-proof energy solutions, promising substantial ROI through improved product performance and reduced maintenance.","layman_explanation":"## Connecting Electrical Storage Devices in Parallel: A Business Professional's Guide\n\nIn the world of business, efficiency, longevity, and cost-effectiveness are paramount. When it comes to energy storage, whether for electric vehicles, data centers, or renewable energy grids, these factors are directly impacted by how power sources are managed. The patent for **Connecting Electrical Storage Devices in Parallel** (US-9853465) offers a sophisticated solution to a common, yet often overlooked, problem in this critical domain.\n\n### What Problem Does This Solve?\n\nImagine you're building a large battery pack, perhaps for an electric bus, composed of many individual battery modules. Even with strict manufacturing controls, not every module will have the exact same charge level or 'no-load voltage' (its voltage when no power is being drawn). Some might be slightly higher, some slightly lower. Traditionally, if you simply connect these modules in parallel, the higher-charged modules will immediately try to 'fill up' the lower-charged ones. This creates a sudden, uncontrolled rush of current, much like opening a floodgate between two reservoirs with different water levels.\n\nFrom a business perspective, this 'equalization current' is problematic because:\n\n*   **It wastes money:** Energy is lost as heat, meaning less usable power and lower overall system efficiency. This directly impacts operating costs and product performance (e.g., shorter EV range).\n*   **It shortens asset life:** These sudden current surges stress the battery cells, accelerating their degradation. This leads to premature battery replacements, higher warranty costs, and dissatisfied customers.\n*   **It complicates design:** Engineers must build in complex and expensive 'pre-charge' circuits or elaborate battery management systems (BMS) to mitigate these issues, adding to product development and manufacturing costs.\n\nExisting solutions are often a compromise, either being too slow, too inefficient, or too costly to implement effectively across all applications.\n\n### How Does It Work?\n\nThe **Connecting Electrical Storage Devices in Parallel** patent offers an elegant, 'smart' solution to this challenge. Instead of allowing a chaotic, immediate connection, this innovation introduces a controlled, sequential approach. Think of it like this:\n\nLet's say you have two battery modules. One is at 100% charge (higher voltage), and the other is at 90% charge (lower voltage). When your system needs power (e.g., the electric bus accelerates):\n\n1.  **Prioritized Power Draw:** The system first draws power *only* from the 100% charged battery. The 90% charged battery is kept on standby.\n2.  **Dynamic Monitoring:** As power is drawn from the 100% battery, its voltage naturally starts to drop. The system continuously monitors this voltage.\n3.  **Intelligent Connection:** The critical step is here: the 90% charged battery is *only* connected in parallel when the voltage of the 100% battery has dropped to a point where the difference between its current voltage and the 90% battery's no-load voltage is extremely small – less than a tiny, predefined threshold. It's like waiting for the water levels in those two reservoirs to almost equalize naturally before gently opening the gate.\n\nThis precise, threshold-based connection ensures that when the second battery joins the circuit, there's virtually no damaging current surge. Both batteries then contribute power smoothly and efficiently.\n\n### Why Does This Matter?\n\nFor business professionals, this patent represents a significant leap forward with tangible benefits:\n\n*   **Extended Product Lifespan & Reduced Costs:** By preventing battery degradation, products incorporating this technology will last significantly longer. This means lower warranty claims, reduced replacement costs for end-users, and a stronger reputation for durability. For a fleet operator, this could mean thousands or millions in savings over the lifetime of their vehicles.\n*   **Improved Performance & Efficiency:** More usable energy translates directly into better product performance – greater range for EVs, longer runtimes for backup power systems. This efficiency also reduces overall energy consumption, contributing to sustainability goals.\n*   **Competitive Advantage:** Companies leveraging this patented technology can differentiate their products in a crowded market by offering superior reliability, longevity, and efficiency. This could attract new customers and command premium pricing.\n*   **Simplified Engineering & Supply Chain:** Designers can create more streamlined and cost-effective Battery Management Systems. Furthermore, the ability to integrate battery modules with slight voltage differences allows for more flexible sourcing and manufacturing processes.\n\n### What's Next?\n\nThis innovation is poised to become a foundational element in next-generation energy storage systems. Expect to see its principles adopted in high-demand sectors like electric mobility (cars, trucks, buses), grid-scale energy storage for renewable energy projects, and advanced portable power solutions. Its impact will extend beyond individual product improvements, enabling more robust and resilient energy infrastructures globally. For investors, this represents an opportunity to back technologies that underpin the future of sustainable and efficient power.","technical_analysis":"The patent for Connecting Electrical Storage Devices in Parallel (US-9853465) outlines a novel circuit and method for managing the parallel connection of two electrical storage devices, designated as a first and a second device. The fundamental technical challenge addressed is the potential for damaging inrush currents when devices with disparate no-load voltages (UBat1 and UBat2) and internal impedances (R1 and R2) are connected in parallel. Specifically, the patent focuses on the scenario where UBat1 > UBat2.\n\n**Technical Architecture and Algorithm Specifics:**\n\nThe core of this innovation lies in its dynamic, condition-based control over the parallel connection during a charge withdrawal phase. The system's architecture would typically comprise:\n\n1.  **Two Electrical Storage Devices:** A first device (UBat1, R1) and a second device (UBat2, R2) with connecting terminals. UBat1 is initially greater than UBat2.\n2.  **Load Connection:** A mechanism to connect a load for charge withdrawal.\n3.  **Voltage Sensing:** Sensors to continuously measure the voltage dropped across the connecting terminals of the first storage device (U_terminal1) and potentially the no-load voltage of the second storage device (UBat2).\n4.  **Switching Element:** A controllable power switch (e.g., a MOSFET or IGBT) positioned to connect or disconnect the second storage device from the parallel circuit.\n5.  **Control Unit:** A microcontroller or dedicated logic circuit responsible for executing the connection algorithm.\n\nThe algorithm operates as follows:\n\n*   **Initial State (Charge Withdrawal):** When a load demands power, charge is initially withdrawn *only* from the first electrical storage device. The second device remains disconnected or isolated from the main load path. During this phase, the terminal voltage of the first device, U_terminal1, will begin to decrease from its no-load voltage UBat1 due to the voltage drop across its internal impedance (U_terminal1 = UBat1 - I_load * R1, where I_load is the current drawn).\n*   **Connection Condition:** The control unit continuously monitors the difference between the instantaneous terminal voltage of the first device (U_terminal1) and the no-load voltage of the second device (UBat2). The critical condition for connecting the second device in parallel is met when `(U_terminal1 - UBat2) < ΔU_add_on`. Here, `ΔU_add_on` is a predefined 'differential add-on voltage' – a small, positive voltage threshold. This threshold ensures that the second device is only brought online when the voltage potential difference between the two devices is minimal and well within safe operating limits.\n*   **Parallel Engagement:** Once the `(U_terminal1 - UBat2) < ΔU_add_on` condition is satisfied, the control unit actuates the switching element, connecting the second electrical storage device in parallel with the first. At this point, both devices contribute to supplying the load, and the equalization current that flows between them upon connection is significantly reduced, if not eliminated, due to the minimal voltage differential.\n\n**Implementation Details and Integration Patterns:**\n\nFor practical implementation, the `ΔU_add_on` value would be carefully calibrated based on the specific chemistry, internal resistance, and desired operational life of the storage devices. A smaller `ΔU_add_on` ensures a gentler connection but might delay the engagement of the second device. The control unit would need to be robust enough for real-time voltage measurement and fast switching response. This system can be integrated seamlessly into existing Battery Management Systems (BMS) as a module for parallel string management. It's particularly beneficial for modular battery packs in electric vehicles, grid-scale energy storage, and hybrid systems where different storage technologies (e.g., Li-ion battery and supercapacitor) are combined.\n\n**Performance Characteristics and Code-Level Implications:**\n\nThe primary performance characteristic is the prevention of high inrush currents, leading to:\n\n*   **Extended Lifespan:** Reduced thermal stress and material degradation for both devices.\n*   **Improved Efficiency:** Minimization of I²R losses during connection, leading to higher usable energy.\n*   **Enhanced Reliability:** Greater system stability and reduced risk of component failure.\n\nAt a code level, the control logic would involve a continuous loop for voltage sampling, a conditional statement for comparison against `ΔU_add_on`, and a digital output to control the gate driver for the power switch. Edge cases like sudden load changes or fault conditions would require additional logic for safe disengagement or emergency shutdown. The choice of switching elements (e.g., synchronous rectifiers, ideal diodes) and their control (PWM, direct on/off) would impact efficiency and switching losses.","business_analysis":"The \"Connecting Electrical Storage Devices in Parallel\" patent (US-9853465) addresses a critical challenge in energy storage, presenting significant business opportunities and strategic advantages across multiple industries. Its intelligent approach to parallel battery connection, by mitigating damaging inrush currents, translates directly into enhanced product value and reduced operational costs.\n\n**Market Opportunity Size:** The global market for electrical energy storage is projected to reach trillions of dollars in the coming decades, driven by electric vehicles (EVs), renewable energy integration, and grid modernization. Within this vast market, battery management systems (BMS) and power electronics, which are directly impacted by this patent, represent a multi-billion dollar segment. Any technology that extends battery life, improves efficiency, and enhances safety directly taps into this massive market need.\n\n**Competitive Advantages:**\n\n1.  **Superior Product Longevity:** Products incorporating this technology will offer significantly extended battery lifespan compared to competitors, a key differentiator for consumers and industrial buyers alike. This translates to lower total cost of ownership.\n2.  **Enhanced Efficiency:** Reduced energy loss during parallel connection means more usable energy, leading to greater range for EVs, longer uptime for critical infrastructure, and better performance for portable devices.\n3.  **Simplified BMS Design:** By intelligently managing connection, the patent reduces the need for complex and costly pre-charge circuits or active balancing mechanisms in the BMS, offering a competitive edge in manufacturing cost and design complexity.\n4.  **Flexibility in Sourcing:** The ability to safely connect storage devices with varying voltage characteristics allows manufacturers greater flexibility in component sourcing, potentially reducing supply chain risks and costs.\n5.  **Robustness and Reliability:** Systems built on this patent will be inherently more robust against voltage inconsistencies, improving overall system reliability and reducing warranty claims.\n\n**Revenue Potential and Business Models:**\n\n*   **Licensing:** The patent holder can license this technology to battery pack manufacturers, EV companies, renewable energy integrators, and consumer electronics brands. This offers a high-margin, scalable revenue stream.\n*   **Component Sales:** Development and sale of integrated circuits (ICs) or modules that implement the patented method, targeting BMS developers.\n*   **Product Differentiation:** Companies that integrate this technology into their own products (e.g., EVs, home energy storage systems) can command premium pricing due to superior performance and longevity.\n*   **Consulting/Integration Services:** Offering expertise and services to integrate this complex power management solution into diverse applications.\n\n**Strategic Positioning:** This technology strategically positions companies as leaders in 'smart' or 'adaptive' energy management. It aligns perfectly with industry trends towards modularity, sustainability, and maximizing asset utilization. Companies leveraging this patent can capture market share by offering solutions that directly address customer pain points related to battery degradation, efficiency, and system complexity. It's a foundational technology that enhances the value proposition of any product reliant on parallel energy storage.\n\n**ROI Projections:** Investing in or licensing this patent promises significant ROI. For a battery manufacturer, a 20% increase in battery lifespan could translate to millions in cost savings (warranty, replacements) and increased customer satisfaction. A 3-5% efficiency gain in an EV battery pack could mean a tangible increase in range, a major selling point. The reduction in BMS complexity also offers immediate cost savings in design and manufacturing. The long-term impact on brand reputation for reliability and innovation is invaluable.","faqs":[{"answer":"Connecting Electrical Storage Devices in Parallel (US-9853465) is a patent for an innovative circuit and method designed to efficiently and safely connect multiple electrical storage devices, such as batteries or capacitors, in parallel. The primary goal of this invention is to prevent damaging current surges that typically occur when storage devices with different no-load voltages are directly connected.\n\nThis technology provides a sophisticated control mechanism to manage power flow during charge withdrawal. It ensures that the connection of a second, lower-voltage device in parallel is delayed until the voltage difference between it and the primary, higher-voltage device is minimal. This intelligent approach significantly enhances the reliability, efficiency, and lifespan of energy storage systems.\n\nEssentially, it's a smart way to make sure that when you combine power sources, they work together harmoniously from the start, avoiding internal conflicts that can degrade their performance and shorten their life. It's a key advancement for modern battery management in various applications. Keywords: parallel battery connection, electrical storage devices, voltage management, energy storage innovation, power electronics.","question":"What is Connecting Electrical Storage Devices in Parallel?"},{"answer":"The Connecting Electrical Storage Devices in Parallel patent describes a sequential, condition-based method for joining two electrical storage devices (ESD1 and ESD2) in parallel, particularly when ESD1 has a higher no-load voltage than ESD2. The process unfolds during charge withdrawal:\n\nFirst, when power is needed, charge is initially drawn *only* from ESD1, the device with the higher no-load voltage. ESD2 remains isolated from the main load path. As ESD1 supplies current, its terminal voltage naturally begins to drop due to the internal impedance and the load.\n\nSecond, the system continuously monitors the terminal voltage of ESD1. A critical condition is evaluated: the difference between ESD1's current terminal voltage and ESD2's no-load voltage. ESD2 is then connected in parallel with ESD1 *only when* this voltage difference falls below a predetermined, small 'differential add-on voltage.'\n\nThis precise, threshold-based connection ensures that by the time ESD2 joins the circuit, the voltage disparity between the two devices is minimal. This prevents the large, damaging equalization current that would otherwise flow, promoting a smooth and efficient parallel operation. Keywords: parallel connection method, voltage equalization, charge withdrawal, dynamic control, smart power management, patent US-9853465.","question":"How does Connecting Electrical Storage Devices in Parallel work?"},{"answer":"Connecting Electrical Storage Devices in Parallel (US-9853465) primarily solves the critical problem of **damaging inrush currents** that occur when multiple electrical storage devices with differing no-load voltages are connected directly in parallel. In conventional setups, if one battery is more charged (higher voltage) than another, connecting them directly causes a sudden, uncontrolled rush of current from the higher-voltage device to the lower-voltage one.\n\nThis uncontrolled current surge leads to several significant issues: 1) **Energy Loss:** A substantial amount of energy is wasted as heat due to the internal resistance of the devices during equalization. 2) **Accelerated Degradation:** The high current stresses the internal components of the batteries, significantly shortening their cycle life and overall lifespan. 3) **System Instability:** Such surges can trigger protective circuits, cause voltage fluctuations, and even lead to component failure. 4) **Increased System Complexity and Cost:** Engineers often resort to complex and expensive pre-charge circuits or active balancing systems to mitigate these issues.\n\nBy intelligently controlling the connection, this patent eliminates these detrimental effects, leading to more efficient, reliable, and longer-lasting energy storage systems. Keywords: inrush current prevention, battery degradation, energy waste, voltage imbalance, parallel connection issues, power system reliability.","question":"What problem does Connecting Electrical Storage Devices in Parallel solve?"},{"answer":"The patent for Connecting Electrical Storage Devices in Parallel (US-9853465) lists the inventors as Klaus Wender and Herbert Schrammel. They are credited with developing this innovative circuit and method for managing the parallel connection of electrical storage devices.\n\nWhile the patent abstract and claims detail the technical aspects of the invention, the inventors are the individuals who conceived and developed the specific approach to dynamically connecting devices based on real-time voltage differences and a predetermined threshold. Their work addresses a fundamental challenge in power electronics, enabling more efficient and robust energy storage solutions.\n\nTheir contribution is significant for advancing the field of battery management and power system design, particularly in applications where multiple storage units with varying characteristics need to be integrated seamlessly and safely. Keywords: Klaus Wender, Herbert Schrammel, patent inventors, US-9853465, energy storage pioneers, battery management experts.","question":"Who invented Connecting Electrical Storage Devices in Parallel?"},{"answer":"The Connecting Electrical Storage Devices in Parallel patent offers a multitude of key benefits that significantly enhance the performance and longevity of energy storage systems:\n\n1.  **Extended Lifespan of Storage Devices:** By preventing damaging inrush currents during parallel connection, the patent dramatically reduces stress on individual batteries or capacitors. This directly translates to an extended cycle life and overall lifespan for the entire energy storage system, reducing replacement costs and environmental impact.\n2.  **Improved System Efficiency:** Eliminating the energy wasted as heat during uncontrolled equalization currents means more of the stored energy is available for use. This boosts the overall efficiency of the system, leading to better performance, such as increased range for electric vehicles or longer uptime for backup power systems.\n3.  **Enhanced Reliability and Safety:** The controlled, smooth connection process reduces the risk of thermal events, voltage fluctuations, and component failures. This results in a more robust and predictable power system, crucial for critical applications.\n4.  **Simplified Battery Management Systems (BMS):** The intelligent connection strategy can reduce the need for complex and costly pre-charge circuits or extensive active balancing hardware, streamlining BMS design and lowering manufacturing costs.\n5.  **Greater Design Flexibility:** This technology allows for the safe integration of electrical storage devices with a wider range of initial voltage differences, offering more flexibility in component sourcing, modular system design, and even the repurposing of 'second-life' batteries. Keywords: battery longevity, energy efficiency, system reliability, cost reduction, BMS simplification, flexible design.","question":"What are the key benefits of Connecting Electrical Storage Devices in Parallel?"},{"answer":"Connecting Electrical Storage Devices in Parallel (US-9853465) significantly differentiates itself from prior art methods by offering a dynamic, load-aware, and precise threshold-based connection strategy, rather than relying on static or less efficient approaches.\n\nPrior art often includes: 1) **Direct Connection:** Highly problematic due to uncontrolled inrush currents. 2) **Pre-charge Resistors:** These limit inrush current but waste energy as heat during the pre-charge phase and add component count. 3) **Active Balancing Systems:** While effective for maintaining balance over time, they are typically complex, costly, consume continuous power, and are not primarily designed for optimizing the *initial* parallel connection event itself. 4) **Strict Voltage Matching:** This requires impractical pre-conditioning or selection of devices, limiting flexibility.\n\nIn contrast, this patent's innovation is to sequentially draw power from the higher-voltage device first, allowing its voltage to naturally drop. It then *only* connects the second, lower-voltage device when the voltage difference between them is minimal (below a predefined 'differential add-on voltage'). This intelligent gating virtually eliminates damaging inrush currents without the energy waste of resistors or the complexity of continuous active balancing for the initial connection. It's a more efficient, less wasteful, and more robust solution. Keywords: prior art comparison, inrush current mitigation, active balancing alternative, pre-charge resistor bypass, dynamic voltage control, patent differentiation.","question":"How is Connecting Electrical Storage Devices in Parallel different from prior art?"},{"answer":"The Connecting Electrical Storage Devices in Parallel patent (US-9853465) has the potential to significantly impact a wide array of industries that rely heavily on robust and efficient energy storage solutions:\n\n1.  **Automotive (Electric Vehicles - EVs):** This technology can lead to longer-lasting EV battery packs, improved range, and reduced warranty costs for manufacturers. It also facilitates the integration of modular battery designs and the repurposing of 'second-life' batteries.\n2.  **Renewable Energy (Solar & Wind Farms):** Enhances the efficiency and reliability of grid-scale battery energy storage systems (BESS), allowing for better integration of intermittent renewable sources and more stable grid support. It can optimize the use of large battery banks with varying charge levels.\n3.  **Consumer Electronics:** Devices like laptops, power tools, and portable power banks can benefit from extended battery life, improved performance, and safer charging/discharging cycles.\n4.  **Industrial & Commercial Power:** Critical applications such as uninterruptible power supplies (UPS) for data centers, telecommunications infrastructure, and industrial machinery will see enhanced reliability and longevity of their backup power systems.\n5.  **Aerospace & Defense:** High-performance, reliable, and long-lasting power systems are crucial for these sectors, making this technology highly relevant for specialized applications.\n\nEssentially, any sector requiring the parallel connection of multiple electrical storage devices stands to benefit from the efficiency, reliability, and lifespan improvements offered by this innovation. Keywords: EV industry, renewable energy storage, consumer electronics, industrial power, aerospace, battery management applications.","question":"What industries will Connecting Electrical Storage Devices in Parallel impact?"},{"answer":"The patent for Connecting Electrical Storage Devices in Parallel, officially designated as US-9853465, followed a typical patent lifecycle:\n\nIt was **filed** on **February 22, 2012**. This date marks when the initial application was submitted to the patent office, formally beginning the examination process.\n\nThe patent was subsequently **published** and **granted** on **December 26, 2017**. This is the date when the patent was officially issued, granting exclusive rights to the inventors/assignee for their invention. The publication date often coincides with the grant date for utility patents in the US.\n\nThese dates are important for understanding the timeline of the innovation, its protection period, and its potential market relevance relative to other technologies developed around the same time. The period between filing and grant indicates the thorough examination process by the patent office. Keywords: patent filing date, patent publication date, patent grant date, US-9853465 timeline, intellectual property, innovation timeline.","question":"When was Connecting Electrical Storage Devices in Parallel filed/granted?"},{"answer":"The commercial applications of the Connecting Electrical Storage Devices in Parallel patent (US-9853465) are extensive and span across any sector utilizing multi-cell or multi-module electrical storage systems. Its core benefit of preventing damaging current surges and enhancing battery longevity makes it commercially valuable in numerous areas:\n\n1.  **Electric Vehicles (EVs) and Hybrid Vehicles:** Used in battery packs for cars, trucks, buses, and e-bikes to improve battery lifespan, increase range, and reduce warranty costs. It supports modular battery designs for easier maintenance and upgrades.\n2.  **Grid-Scale Energy Storage Systems (BESS):** Essential for integrating large battery banks with renewable energy sources (solar, wind) to stabilize grids, manage peak loads, and provide backup power. It allows for more efficient use of diverse battery modules.\n3.  **Uninterruptible Power Supplies (UPS):** For data centers, hospitals, and critical infrastructure, this technology can significantly extend the life and reliability of backup battery systems, reducing downtime and maintenance costs.\n4.  **Portable Power Solutions:** High-capacity power banks, portable generators, and industrial power tools can benefit from more durable and efficient battery packs.\n5.  **Robotics and Drones:** Enhances the performance and operational time of autonomous systems requiring reliable, long-lasting power sources.\n6.  **Marine and Aerospace Applications:** For electric boats, submarines, or specialized aircraft, where robust and long-lasting power is critical, this patent offers a superior solution.\n\nIn essence, any product or system where multiple batteries or capacitors are connected in parallel for charge withdrawal can leverage this patent to achieve superior performance, extended operational life, and reduced total cost of ownership. Keywords: commercial applications, EV battery packs, grid energy storage, UPS systems, portable power, robotics, battery life extension.","question":"What are the commercial applications of Connecting Electrical Storage Devices in Parallel?"},{"answer":"The principles outlined in the Connecting Electrical Storage Devices in Parallel patent (US-9853465) lay a strong foundation for numerous future developments in energy storage and power management. We can anticipate several advancements building upon this core innovation:\n\n1.  **Adaptive Thresholds (AI/ML Integration):** Future systems might dynamically adjust the 'differential add-on voltage' threshold based on real-time data, such as battery temperature, state-of-health (SOH), degradation patterns, or even predictive load demands. This could be achieved through machine learning algorithms, further optimizing efficiency and longevity under varying conditions.\n2.  **Multi-Device Scalability:** While the patent describes two devices, future iterations could extend this intelligent connection strategy to systems with three or more parallel storage devices, orchestrating their engagement in a highly optimized sequence.\n3.  **Hybrid Energy Storage Optimization:** The technology could be further refined to seamlessly integrate and optimize distinct types of energy storage technologies (e.g., high-power supercapacitors with high-energy density lithium-ion batteries) within a single parallel system, leveraging the unique characteristics of each without compromise.\n4.  **Bidirectional Power Flow:** The current patent focuses on charge withdrawal. Future developments could extend these intelligent principles to parallel charging scenarios, optimizing how multiple devices with different states of charge accept incoming power, further enhancing lifespan and efficiency.\n5.  **Integrated Power Modules:** Expect to see highly integrated power modules or dedicated ICs that encapsulate the patented logic, making it easier for manufacturers to incorporate this advanced functionality into their BMS designs without extensive custom engineering.\n\nThese developments will collectively push the boundaries of energy storage, enabling more resilient, efficient, and adaptable power systems for a wide range of applications. Keywords: future energy storage, adaptive power management, AI in battery systems, hybrid storage, bidirectional charging, integrated power modules.","question":"What are the future developments expected for Connecting Electrical Storage Devices in Parallel?"}],"topics":["connecting electrical storage devices in parallel","parallel battery connection","voltage management","battery efficiency","power management patent","technical","unpacking","connecting"],"tech_cluster":null},"seo":{"title":"Connecting Electrical Storage Devices in Parallel - Patent US-9853465","description":"Discover the groundbreaking Connecting Electrical Storage Devices in Parallel patent (US-9853465). Learn how it optimizes parallel battery connection, extends lifespan, and boosts efficiency by preventing damaging current surges.","keywords":["connecting electrical storage devices in parallel","parallel battery connection","voltage management","battery efficiency","power management patent","energy storage innovation","battery lifespan extension","US-9853465","electrical storage devices","impedance matching","charge withdrawal","hybrid power systems","smart battery technology"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853465","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853465","citation_suggestion":"Patentable. \"Connecting electrical storage devices in parallel\" (US-9853465). https://patentable.app/patents/US-9853465","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853465","json":"https://patentable.app/api/llm-context/US-9853465","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:19:56.928Z"}