公开(公告)号：US20180097222A1

公开(公告)日：2018-04-05

申请号：US15470397

申请日：2017-03-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Satoru OSHITARI ,  Masataka OYAMA ,  Naoyuki KUROSAWA ,  Ryuuta YAMAYA

IPC: H01M4/134 ,  H01M4/48 ,  H01M4/50 ,  H01M4/52 ,  H01M10/052

CPC classification number: H01M4/134 ,  H01M4/364 ,  H01M4/366 ,  H01M4/483 ,  H01M4/502 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052

Abstract: An electrode material for a lithium-ion secondary battery of the present invention is a mixture including an electrode active material A made of LiFexMn1−x−yMyPO4 (0.05≦x≦0.40, 0≦y≦0.14, 1−x−y≧0, here, M represents at least one element selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements) and an electrode active material B made of a lithium-containing metal oxide, in which a volume change percentage due to lithium ions absorbed into and emitted from the electrode active material A is 6.2% or more and 8.3% or less.