The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2014
Filed:
Nov. 01, 2011
Applicants:
Shigeki Okada, Nishio, JP;
Tsutomu Nanataki, Toyoake, JP;
Nobuyuki Kobayashi, Nagoya, JP;
Jun Yoshikawa, Nagoya, JP;
Akira Urakawa, Nagoya, JP;
Inventors:
Shigeki Okada, Nishio, JP;
Tsutomu Nanataki, Toyoake, JP;
Nobuyuki Kobayashi, Nagoya, JP;
Jun Yoshikawa, Nagoya, JP;
Akira Urakawa, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01); H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01);
U.S. Cl.
CPC ...
Abstract
An object of the present invention is to provide a lithium secondary battery cathode which can more improve characteristics of the battery. The cathode of the present invention includes a first layer composed of a plate-like cathode active material and a second layer containing particles of the cathode active material and a binder, the second layer being joined to the first layer in a stacked state.