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:
Oct. 27, 1992
Filed:
Dec. 19, 1990
Applicant:
Inventors:
Yoshikazu Yoshimoto, Tenri, JP;
Hiroshi Wada, Ikoma, JP;
Masaru Yoshida, Ikoma, JP;
Shigeo Nakajima, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ; C01B / ;
U.S. Cl.
CPC ...
296235 ; 423445 ; 423448 ; 423460 ; 427122 ; 429194 ; 429218 ;
Abstract
A process for preparing a carbon electrode comprising the steps of subjecting a hydrocarbon to pyrolysis in vapor phase to form a pyrolytic carbon having a specific half-width in X-ray diffractogram, subjecting the pyrolytic carbon to be in lithium vapor to obtain a lithium-intercalated pyrolytic carbon and forming the carbon electrode by utilizing the lithium-intercalated pyrolytic carbon as an electrode material.