Title:
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2013182845
Kind Code:
A
Abstract:
To provide a negative electrode material for a lithium secondary battery, capable of achieving prolonged cycle life of a lithium secondary battery.
A negative electrode material for a lithium secondary battery comprises powder of an aggregate of particles formed by cutting an aluminum foil with a thickness of 0.15 mm or less. Each of the particles has a size that allows each particle to pass through a sieve with an aperture of 0.1 mm (in accordance with JIS Z8801-3), and the powder has a specific surface area as determined by a BET method of 0.3 m2/g or more.
Inventors:
HISAYUKI KOJI
SAKAGUCHI MASASHI
KUROZUMI TADATOSHI
SAKAGUCHI MASASHI
KUROZUMI TADATOSHI
Application Number:
JP2012047582A
Publication Date:
September 12, 2013
Filing Date:
March 05, 2012
Export Citation:
Assignee:
SHOWA DENKO KK
International Classes:
H01M4/46; B22F1/068; H01M4/134; B22F1/05
Attorney, Agent or Firm:
Akira Watanabe
Einosuke Kishimoto
Matsumura Naoto
Einosuke Kishimoto
Matsumura Naoto