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:
May. 20, 2025
Filed:
Oct. 06, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Hiroshi Suyama, Mishima, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A zinc secondary battery includes a negative electrode body, a separator for the zinc secondary battery, and a positive electrode body provided in this order, and each impregnated with an electrolyte. The negative electrode body includes a negative electrode active material layer including zinc and zinc oxide. The positive electrode body includes a positive electrode active material layer including at least one nickel hydroxide or nickel oxyhydroxide. The separator includes a zirconium sulfate-containing porous layer and at least one porous base material layer that are stacked on each other, wherein the zirconium sulfate-containing porous layer includes a porous layer with zirconium sulfate particles adhered to the porous layer.