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. 23, 1990
Filed:
Sep. 08, 1988
Applicant:
Inventors:
Jeffrey R Dahn, Surrey, CA;
Tony Van Buuren, New Westminster, CA;
Ulrich Vonsacken, Port Coquitlam, CA;
Assignee:
Moli Energy Limited, , CA;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; C01B / ;
U.S. Cl.
CPC ...
429194 ; 429218 ; 423592 ;
Abstract
VO.sub.2 (B) is prepared by heating NH.sub.4 VO.sub.3 to a decomposition temperature between about 200.degree. C. and about 537.degree. C. in an atmosphere comprising excess ammonia, whereby ammonia and water vapor are liberated, leaving a residue of VO.sub.2 (B), the liberated water vapor is removed and the VO.sub.2 (B) recovered. Non-aqueous secondary cells having a cathode including the resulting VO.sub.2 (B) resist loss of energy capacity upon cycling.
Dahn, Jeffrey. (1990). Preparation of vo.sub.2 (b) and a non-aqueous secondary cell using vo.sub.2 (U.S. Patent No. 4965150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4965150
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile