Title:
二次電池用活物質、二次電池用電極、二次電池、電動車両および電子機器
Document Type and Number:
Japanese Patent JP6596815
Kind Code:
B2
Abstract:
A secondary battery includes a cathode; an anode (1) including a plurality of carbon particles and a plurality of non-carbon particles, (2) the carbon particles containing graphite, (3) the non-carbon particles containing a material including, as a constituent element, one or more of silicon (Si), tin (Sn), and germanium (Ge), and (4) a distribution of a first-order differential value of an integrated value Q of a relative particle amount with respect to a particle diameter D of the plurality of carbon particles having one or more discontinuities, where a horizontal axis and a vertical axis of the distribution indicate the particle diameter D (μm) and a first-order differential value dQ/dD, respectively; and an electrolyte.
Inventors:
Yousuke Koike
Takanari Fujikawa
Gamo Yoshinori
Takanari Fujikawa
Gamo Yoshinori
Application Number:
JP2014240108A
Publication Date:
October 30, 2019
Filing Date:
November 27, 2014
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01M4/587; B60L50/14; H01M4/36; H01M4/38; H01M4/48; H01M4/58
Domestic Patent References:
| JP2014503972A | ||||
| JP2000188095A | ||||
| JP2002151055A | ||||
| JP2008140809A | ||||
| JP2003123740A | ||||
| JP2009289417A | ||||
| JP2011054559A |
Attorney, Agent or Firm:
Patent Business Corporation Tsubasa International Patent Office