发明名称 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY, SODIUM-ION BATTERY AND METHOD OF PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY
摘要 A negative electrode active material for a sodium-ion battery includes a negative electrode active material ingredient that is a compound having an aromatic ring structure and two or more COOX groups in which X is Li or Na, and which are bonded to ends of the aromatic ring structure; and a carbon material. The carbon material has an interlayer distance d002 equal to or smaller than 3.5 Å or a D/G ratio equal to or smaller than 0.80, the D/G ratio being obtained by Raman spectrometry.
申请公布号 US2015044558(A1) 申请公布日期 2015.02.12
申请号 US201414457589 申请日期 2014.08.12
申请人 Toyota Jidosha Kabushiki Kaisha 发明人 Nakayama Hideki
分类号 H01M4/60;H01M4/62 主分类号 H01M4/60
代理机构 代理人
主权项 1. A negative electrode active material for a sodium-ion battery, comprising: a negative electrode active material ingredient that is a compound having an aromatic ring structure and two or more COOX groups in which X is Li or Na, and which are bonded to ends of the aromatic ring structure; and a carbon material, wherein the carbon material has an interlayer distance d002 equal to or smaller than 3.5 Å or a D/G ratio equal to or smaller than 0.80, the D/G ratio being obtained by Raman spectrometry.
地址 Toyota-shi JP