Title:
リチウムイオン二次電池およびリチウムイオン二次電池用負極
Document Type and Number:
Japanese Patent JP5515785
Kind Code:
B2
Abstract:
There is provided a lithium ion secondary battery including: a cathode; an anode: and an electrolytic solution. The anode has an anode active material layer on an anode current collector, the anode active material layer contains an anode active material having silicon (Si) as an element and a metal conductive material having a metal element as an element, and a void ratio of the anode active material layer measured by mercury intrusion method (pressure: 90 MPa) is 10% or less.
Inventors:
Kiichi Hirose
Genki Endo
Kenichi Kawase
Tadahiko Kubota
Genki Endo
Kenichi Kawase
Tadahiko Kubota
Application Number:
JP2010015738A
Publication Date:
June 11, 2014
Filing Date:
January 27, 2010
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H01M4/134; H01M4/1395; H01M4/38; H01M4/62; H01M4/64
Domestic Patent References:
| JP2008066278A | ||||
| JP2007335283A | ||||
| JP2008016196A | ||||
| JP2005078985A | ||||
| JP2007027008A | ||||
| JP2005108523A | ||||
| JP2008311209A | ||||
| JP2008181802A | ||||
| JP2008305572A | ||||
| JP2009181920A | ||||
| JP2010009951A | ||||
| JP2001035535A | ||||
| JP2008016195A |
Attorney, Agent or Firm:
Yoichiro Fujishima
Yasushi Santanzaki
Masao Hasebe
Takaaki Tanaami
Yasushi Santanzaki
Masao Hasebe
Takaaki Tanaami