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Fast-charging anodes for lithium-ion batteries

Engineering & Physical Sciences
Energy, Earth, & Environmental
Battery & Fuel Cells
Materials/Chemicals
Chemicals
Composites
College
College of Engineering (COE)
Researchers
Kim, Jung Hyun
Jiao, Xinwei "Jocelyn"
Yap, Jun Wei
Yu, Chanyeop
Licensing Manager
Randhawa, Davinder
614-247-7709
randhawa.40@osu.edu
External Links

T2023-194

The Need

In the rapidly evolving landscape of electric vehicle (EV) technology, there exists a pressing commercial need for rechargeable lithium-ion batteries (LiBs) that can not only deliver high charge capacities and power densities but also address the critical issues of capacity fading and safety associated with conventional graphite anodes. The demand for EVs continues to surge, necessitating the development of next-generation LiBs that can keep pace with the ever-growing expectations for performance and reliability.

The Technology

Our groundbreaking technology represents a significant leap forward in the realm of LiBs for EVs. By addressing the inherent limitations of graphite anodes, we have unlocked the potential for LiBs with enhanced stability and performance, specifically tailored for fast-charging applications and the extension of operating voltage ranges. This innovation is achieved through the incorporation of a carefully measured quantity of Li-conducting solid electrolyte (SE) powders during the anode manufacturing process. Importantly, our approach offers flexibility in material combinations and electrode designs, ensuring adaptability and cost-effectiveness in practical applications.

Commercial Applications

  • Electric Vehicles (EVs): Our technology is ideally suited for use in EVs, enabling faster charging times and increased driving ranges, thereby enhancing the overall appeal and convenience of electric mobility.
  • Consumer Electronics: LiBs equipped with our advanced anode technology can revolutionize portable electronic devices, offering extended battery life and reduced charging times for smartphones, laptops, and more.
  • Renewable Energy Storage: Our innovation can be applied to energy storage solutions, improving the efficiency and reliability of renewable energy sources such as solar and wind power.
  • Medical Devices: LiBs featuring our technology can power critical medical equipment, ensuring uninterrupted operation and patient safety.
  • Aerospace: The enhanced performance and safety characteristics make our LiBs a compelling choice for aerospace applications, including drones and satellite systems.

Benefits/Advantages

  • Enhanced Performance: Our technology significantly boosts the specific energy and power density of LiBs, resulting in longer-lasting and more powerful batteries.
  • Improved Safety: By mitigating capacity fading and enhancing stability, our LiBs provide a safer energy storage solution, particularly during fast-charging and high-voltage operations.
  • Environmental Sustainability: Rechargeable LiBs are inherently eco-friendly, and our innovation contributes to the ongoing effort to reduce carbon emissions by facilitating the widespread adoption of electric vehicles and renewable energy systems.
  • Customization: The versatility of our blending process allows for tailored solutions, accommodating a wide range of materials and electrode designs to meet specific application requirements.
  • Cost Efficiency: Our approach is not only effective but also cost-effective, ensuring that the benefits of advanced LiBs can be realized without breaking the bank.