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:
Mar. 31, 1992
Filed:
Aug. 14, 1991
Applicant:
Inventors:
Masaki Yoshino, Yokohama, JP;
Toshiyuki Ohsawa, Kawasaki, JP;
Toshiyuki Kabata, Yokohama, JP;
Okitoshi Kimura, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
296235 ; 4273839 ;
Abstract
A negative electrode for a secondary battery comprises a substrate consisting of aluminum or an aluminum composition comprising aluminum as the main component, the aluminum being in the form of crystals with (100) planes oriented perpendicularly to the surface of the substrate, and a lithium-alumin alloy layer formed thereon, and a method of producing the negative electrode is disclosed.