• 专利标题:   Secondary battery for e.g. vehicle, comprises anode, cathode comprising current collector and cathode material layer containing carbon-based active material and silicon-based active material, and separator placed between cathode and anode.
  • 专利号:   WO2021096267-A1, KR2021057610-A, CN114402463-A, EP4040536-A1, US2022393229-A1, EP4040536-A4
  • 发明人:   KIM I, KIM I H, JIN Y
  • 专利权人:   LG CHEM LTD, LG ENERGY SOLUTION LTD, LG ENERGY SOLUTION LTD, LG ENERGY SOLUTION LTD
  • 国际专利分类:   H01M010/052, H01M010/44, H01M004/36, H01M004/38, H01M004/587, H01M010/0525
  • 专利详细信息:   WO2021096267-A1 20 May 2021 202149 Pages: 22
  • 申请详细信息:   WO2021096267-A1 WOKR015928 12 Nov 2020
  • 优先权号:   KR144585, WOKR015928, CN80065354

▎ 摘  要

NOVELTY - A secondary battery comprises an anode, a cathode and a separator placed between the cathode and the anode. The anode comprises a cathode current collector and a cathode material layer containing carbon-based active material and silicon-based active material. The battery has low-limit state of charge (SOC) based on mixing weight ratio of the silicon-based active material and the carbon-based active material, and the capacity ratio of the silicon-based active material and the carbon-based active material. USE - Secondary battery e.g. lithium metal secondary battery, lithium-ion secondary battery, and lithium polymer secondary battery for electric vehicles, plug-in hybrid electric vehicles, and power storage devices. ADVANTAGE - The secondary battery has excellent electrical conductivity and cycle characteristics. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method of driving the secondary battery.