US 12,482,807 B2
Rechargeable alkaline battery comprising metal hydroxide separator
Jinchao Huang, New York, NY (US); Gautam G. Yadav, New York, NY (US); Joshua Gallaway, New York, NY (US); Michael Nyce, New York, NY (US); and Sanjoy Banerjee, New York, NY (US)
Assigned to RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK, New York, NY (US)
Appl. No. 15/765,667
Filed by RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK, New York, NY (US)
PCT Filed Oct. 5, 2016, PCT No. PCT/US2016/055467
§ 371(c)(1), (2) Date Apr. 3, 2018,
PCT Pub. No. WO2017/062435, PCT Pub. Date Apr. 13, 2017.
Claims priority of provisional application 62/237,037, filed on Oct. 5, 2015.
Prior Publication US 2019/0088915 A1, Mar. 21, 2019
Int. Cl. H01M 50/431 (2021.01); H01M 4/24 (2006.01); H01M 4/30 (2006.01); H01M 10/24 (2006.01); H01M 10/30 (2006.01); H01M 50/403 (2021.01); H01M 50/446 (2021.01); H01M 50/457 (2021.01); H01M 50/46 (2021.01)
CPC H01M 4/30 (2013.01) [H01M 4/244 (2013.01); H01M 10/24 (2013.01); H01M 10/30 (2013.01); H01M 50/403 (2021.01); H01M 50/431 (2021.01); H01M 50/446 (2021.01); H01M 50/457 (2021.01); H01M 50/46 (2021.01)] 9 Claims
OG exemplary drawing
 
1. A method comprising:
combining an inorganic material with a binder to form a mixture, wherein the inorganic material comprises a water insoluble hydroxide of metals selected from the alkaline earth group; and
forming the mixture into a free-standing dried sheet of separator material, wherein the free-standing dried sheet of separator material comprises 70 wt. % to 99 wt. % of the inorganic material, and 1 wt. % to 30 wt. % of the binder, and wherein the inorganic material is selected from the group consisting of: magnesium hydroxide, calcium hydroxide, strontium hydroxide, barium hydroxide, and any combination thereof; and
incorporating the free-standing dried sheet into a rechargeable battery.