18543722. NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)
NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY
Organization Name
TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor(s)
Masaharu Senoue of Seto-shi (JP)
NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 18543722 titled 'NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY
Simplified Explanation: The patent application describes a negative electrode design for lithium-ion batteries that can enhance their cycle characteristics.
Key Features and Innovation:
- Negative electrode structure with a current collector, multiple layers of silicon-based active materials, and a graphite-based layer.
- Silicon-based layers improve battery performance, while the graphite layer enhances stability.
- Specific configuration of layers on the current collector optimizes performance and longevity of the battery.
Potential Applications: This technology can be applied in various lithium-ion battery systems used in consumer electronics, electric vehicles, and energy storage solutions.
Problems Solved: The technology addresses issues related to the cycle life and stability of lithium-ion batteries, improving their overall performance and reliability.
Benefits:
- Enhanced cycle characteristics leading to longer battery life.
- Improved stability and performance of lithium-ion batteries.
- Potential for increased energy storage capacity in battery systems.
Commercial Applications: Commercial applications include battery manufacturers, electric vehicle companies, and energy storage providers looking to enhance the performance and longevity of lithium-ion batteries in their products.
Prior Art: Readers can explore prior research on silicon-based negative electrodes for lithium-ion batteries to understand the evolution of this technology.
Frequently Updated Research: Stay updated on the latest advancements in silicon-based electrode materials and graphite composites for lithium-ion batteries to further enhance performance and efficiency.
Questions about Lithium-Ion Battery Technology: 1. What are the key factors influencing the performance of lithium-ion batteries?
- The performance of lithium-ion batteries is influenced by factors such as electrode materials, electrolyte composition, and cell design.
2. How do silicon-based negative electrodes improve the cycle characteristics of lithium-ion batteries?
- Silicon-based negative electrodes can store more lithium ions, leading to higher energy density and improved battery performance.
Original Abstract Submitted
Disclosed is a negative electrode capable of improving cycle characteristics of a lithium-ion secondary battery. The negative electrode has the cross-sectional configuration comprising a negative electrode current collector, a plurality of first layers, and a second layer. Each of the first layers comprises a first negative electrode active material of at least one of elemental silicon, a silicon alloy, and a silicon oxide, and a first conductive material. The second layer comprises a second negative electrode active material of graphite and does not comprise silicon. In the cross-sectional configuration, the surface of one side of the negative electrode current collector has a plurality of first regions and a second region between the first regions, the first layers are in contact with the respective first regions, and the second layer is in contact with both the second region and surfaces of one side of the first layers.
