Title:
NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE, AND SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2021157936
Kind Code:
A
Abstract:
To provide a negative electrode active material having an improved reversible capacity as compared with LixFeNb11O29, which is a non-replacement material.SOLUTION: A negative electrode active material according to the present invention is represented by a general formula of Fe1-xNb11-yO29-z-aAx+y+z(0≤x≤1, 0≤y≤11, and -10≤z≤10 are satisfied, and A is one or more selected from the group consisting of Al, Si, B, P, C, Ge, and Bi), and a part or all of the surface is covered with A.SELECTED DRAWING: Figure 1
Inventors:
ODA MASANARI
HIROOKA MASAYUKI
SEKI EIJI
GOGYO YUMA
KITAGAWA MASAKI
HIROOKA MASAYUKI
SEKI EIJI
GOGYO YUMA
KITAGAWA MASAKI
Application Number:
JP2020056288A
Publication Date:
October 07, 2021
Filing Date:
March 26, 2020
Export Citation:
Assignee:
SHOWA DENKO MATERIALS CO LTD
International Classes:
H01M4/485; H01M4/36
Attorney, Agent or Firm:
Hiraki International Patent Office