• 专利标题:   Manufacturing positive electrode for lithium secondary battery, involves forming mixture including lithium-containing composite oxide having olivine structure and graphene oxide, on positive electrode current collector.
  • 专利号:   US2016047060-A1, US9556536-B2
  • 发明人:   MIWA T, INOUE N, NOMOTO K, MOMO J
  • 专利权人:   SEMICONDUCTOR ENERGY LAB
  • 国际专利分类:   C30B029/14, H01M004/04, H01M004/1397, C01B025/30, C01B025/45, H01M004/02, H01M004/485, H01M004/583
  • 专利详细信息:   US2016047060-A1 18 Feb 2016 C30B-029/14 201615 Pages: 19 English
  • 申请详细信息:   US2016047060-A1 US923798 27 Oct 2015
  • 优先权号:   JP197021

▎ 摘  要

NOVELTY - Positive electrode manufacturing involves forming a mixture including a lithium-containing composite oxide having an olivine structure and a graphene oxide, on a positive electrode current collector (120). A pressure is applied to the mixture vertically or substantially vertically to a surface of the positive electrode current collector. The graphene oxide is reduced. USE - Method for manufacturing positive electrode for a lithium secondary battery used in portable device, such as smartphones and portable game consoles or automotive power supply. ADVANTAGE - The method manufactures the positive electrode in a simple and cost-effective manner with increased capacity and an improvement in output performance, high energy density, and a high charge/discharge capacity. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic cross-sectional view of the positive electrode. Ositive electrode (100) Positive electrode active material layer (110) Olivine-type lithium-containing composite oxide particles (111) Multilayer graphene oxide (112) Positive electrode current collector (120)