Title:
POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2021157958
Kind Code:
A
Abstract:
To provide a positive electrode capable of suppressing capacity deterioration in a high temperature storage test, and also provide a lithium ion secondary battery in which capacity deterioration in the high temperature storage test is suppressed by the positive electrode.SOLUTION: A positive electrode according to the present invention includes a positive electrode active material layer containing a positive electrode active material mainly composed of a lithium transition metal oxide, and the positive electrode active material layer contains a compound represented by the following chemical formula. In the following chemical formula, X1 and X2 represent H or Li, and R represents an alkylene group having 1 to 3 carbon atoms or a halogenated alkylene group. In addition, n indicates 1 to 3.SELECTED DRAWING: None
Inventors:
HASEGAWA TOMOHIKO
SATO ISANORI
KARIYADO HIROSHI
MORI TAKASHI
SATO ISANORI
KARIYADO HIROSHI
MORI TAKASHI
Application Number:
JP2020057293A
Publication Date:
October 07, 2021
Filing Date:
March 27, 2020
Export Citation:
Assignee:
TDK CORP
International Classes:
H01M4/62; H01M4/131