US 12,148,950 B2
Separator for zinc secondary battery
Hiroshi Suyama, Mishima (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Jan. 5, 2024, as Appl. No. 18/405,575.
Application 18/405,575 is a continuation of application No. 17/554,694, filed on Dec. 17, 2021, granted, now 12,034,179.
Claims priority of application No. 2020-211224 (JP), filed on Dec. 21, 2020.
Prior Publication US 2024/0145863 A1, May 2, 2024
Int. Cl. H01M 50/434 (2021.01); H01M 10/054 (2010.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/44 (2021.01); H01M 50/449 (2021.01); H01M 50/451 (2021.01); H01M 50/572 (2021.01)
CPC H01M 50/434 (2021.01) [H01M 10/054 (2013.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/44 (2021.01); H01M 50/449 (2021.01); H01M 50/451 (2021.01); H01M 50/572 (2021.01)] 9 Claims
OG exemplary drawing
 
1. A method for assembling a zinc secondary battery, wherein the zinc secondary battery comprises a negative electrode body, a separator for the zinc secondary battery, wherein the separator comprises at least one porous substrate layer and a titanium oxide-containing porous layer laminated onto the porous substrate layer, and wherein the titanium oxide-containing porous layer comprises a titanium oxide represented by Ti20, Ti2O3, Ti3O, Ti3O5, Ti405, Ti6O, Ti6O11, Ti703, TisO15 or Tig017, and a positive electrode body, in that order, wherein the negative electrode body, the separator and the positive electrode body are impregnated with an electrolyte solution, and wherein the method comprises laminating the positive electrode body, the separator and the negative electrode body in this order to form a stack housing the stack in a battery case, and filling the battery case with the electrolyte solution.