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:
Jun. 10, 1986
Filed:
Jun. 07, 1985
Applicant:
Inventors:
Kazuhide Miyazaki, Takehara, JP;
Morimasa Sumida, Takehara, JP;
Assignee:
Mitsui Mining and Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429228 ; 423619 ;
Abstract
An active material for the positive electrode of a lead-accumulator and a lead-accumulator utilizing the active material are provided, the active material consisting of lead oxide as the principal component and at least one component selected from the group consisting of bismuth, bismuth compounds, thallium and thallium compounds as an additive which is effective to improve the energy utilization and the lifetime of the accumulator.