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:
Sep. 11, 2001
Filed:
Jul. 14, 1999
Applicant:
Inventors:
Hideaki Horie, Kanagawa-ken, JP;
Mikio Kawai, Kanagawa-ken, JP;
Takaaki Abe, Kanagawa-ken, JP;
Toyoaki Nakagawa, Kanagawa-ken, JP;
Yuuji Tanjo, Kanagawa-ken, JP;
Ken Iwai, Kanagawa-ken, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/50 ;
U.S. Cl.
CPC ...
H01M 4/50 ;
Abstract
There is provided a positive electrode comprising positive electrode active material granules which each are composed of lithium manganate; and a first surface layer which is formed on each of the positive electrode active material granules and is to transmit lithium (Li) ion but not manganese (Mn) ion therethrough.