	US 11,658,322 B2
	Membranes and anion conductive polymers
Timothy Manning Swager, Newton, MA (US); Jeffrey C. Grossman, Brookline, MA (US); Sibo Lin, Arlington, MA (US); Yoonseob Kim, Malden, MA (US); Yanming Wang, Quincy, MA (US); Arthur France-Lanord, Brighton, MA (US); You-Chi Wu, Cambridge, MA (US); Yifan Li, Quincy, MA (US); and Yichong Wang, Beijing (CN)
Assigned to Massachusetts Institute of Technology, Cambridge, MA (US)
Filed by Massachusetts Institute of Technology, Cambridge, MA (US)
Filed on Nov. 3, 2020, as Appl. No. 17/88,519.
Claims priority of provisional application 62/930,513, filed on Nov. 4, 2019.
Prior Publication US 2021/0135265 A1, May 6, 2021
Int. Cl. H01M 8/10 (2016.01); B01J 47/12 (2017.01); B01J 41/07 (2017.01); C08J 5/22 (2006.01); B01J 41/13 (2017.01); H01M 8/1032 (2016.01); H01M 8/1027 (2016.01)

CPC H01M 8/1032 (2013.01) [B01J 41/07 (2017.01); B01J 41/13 (2017.01); B01J 47/12 (2013.01); C08J 5/2287 (2013.01); H01M 8/1027 (2013.01); H01M 2008/1095 (2013.01)]

19 Claims

1. A membrane, comprising:

a cationic polymer comprising a cationic ring;

an anionic species configured to move within the cationic polymer; and

a crosslinker;

wherein a conductivity of the anionic species is at least 100 mS cm⁻¹,

wherein the crosslinker crosslinks the cationic polymer, and

wherein a water uptake of the membrane is no more than 50%.