• 专利标题:   Positive electrode used for lithium-sulfur battery, comprises current collector and positive electrode active material layer arranged on surface of current collector, where positive electrode active material layer comprises positive electrode active material and additive.
  • 专利号:   WO2022050769-A1, KR2022031396-A, CN115053361-A, EP4068417-A1, US2023043533-A1, JP2023513428-W
  • 发明人:   LEE D, KIM T G, UK L D, JIN Z, LI D
  • 专利权人:   LG ENERGY SOLUTION LTD, LG ENERGY SOLUTION LTD, LG ENERGY SOLUTION LTD
  • 国际专利分类:   H01M010/052, H01M004/02, H01M004/13, H01M004/36, H01M004/38, H01M004/62, H01M004/583, H01M004/134, H01M004/58
  • 专利详细信息:   WO2022050769-A1 10 Mar 2022 202228 Pages: 30
  • 申请详细信息:   WO2022050769-A1 WOKR011951 03 Sep 2021
  • 优先权号:   KR113260, CN80012512

▎ 摘  要

NOVELTY - Positive electrode comprises a current collector and a positive electrode active material layer arranged on at least one surface of the current collector, where the positive electrode active material layer comprises a positive electrode active material and an additive comprising a transition metal-ferrocyanide compound. USE - The positive electrode is useful for lithium-sulfur battery. ADVANTAGE - The positive electrode has excellent lithium polysulfide adsorption effect, and improves electrochemical reactivity of the positive electrode active material, maximizes the capacity expression of the positive electrode, and realizes the lithium-sulfur battery having high capacity, high energy density, and improved lithium polysulfide elution inhibitory effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a lithium-sulfur battery comprising the above-mentioned positive electrode, a negative electrode and an electrolyte.