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:
Feb. 23, 1993
Filed:
Aug. 01, 1990
Takafumi Hashimoto, Tokyo, JP;
Kabushiki Kaisha Meidensha, Tokyo, JP;
Abstract
A secondary battery utilizing a zinc bromide electrolyte has an electrolyte which is composed of a first solution including zinc bromide and a complexing agent which forms a bromide complex from the bromide ions to precipitate the complex in the electrolyte, and a second solution of a zinc compound which is selected from groups of compounds which decompose at a higher voltage than the first solution during battery charging. The concentrations of the first and second solutions are regulated for providing a concentration of zinc ions which are generated from the first and the second solutions at least 0.5 mol/l higher than bromide ions which are generated from the first solution.