logo

For the Inventor, By the Inventor

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.:

US 5695893 B1

PDFFull Text
Date of Patent:
Dec. 09, 1997

Filed:

May. 06, 1996

Material for use in the positive electrodes of lithium batteries, its

Applicant:
Inventors:

Hajime Arai, Mito, JP;

Shigeto Okada, Mito, JP;

Yoji Sakurai, Mito, JP;

Jun-ichi Yamaki, Mito, JP;

Assignee:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Attorney:

Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.

Primary Examiner:

Stephen Kalafut

Int. Cl.
CPC ...
H07M / ;
U.S. Cl.
CPC ...
429221 ; 423551 ; 423558 ;
Abstract

A positive electrode material for use in lithium batteries contains a compound represented by the chemical formula Li.sub.x Fe.sub.2 (SO.sub.4).sub.3 (0<x.ltoreq.2). This positive electrode material is made from low cost material which is available in abundant quantities. Moreover a lithium battery using this material has a large discharge energy and long cycle life.

Find Patent Forward Citations

Quick Actions:

Arai, Hajime. (1997). Material for use in the positive electrodes of lithium batteries, its (U.S. Patent No. 5695893). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5695893

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…