US 11,942,598 B2
Ionic liquid softened polymer electrolyte for zinc ion batteries
Chunyi Zhi, Hong Kong (HK); and Donghong Wang, Hong Kong (HK)
Filed by Hong Kong Centre for Cerebro-cardiovascular Health Engineering Limited, Hong Kong (HK)
Filed on Dec. 3, 2021, as Appl. No. 17/457,531.
Prior Publication US 2023/0178800 A1, Jun. 8, 2023
Int. Cl. H01M 10/0565 (2010.01); H01M 4/02 (2006.01); H01M 4/24 (2006.01); H01M 4/42 (2006.01); H01M 4/66 (2006.01); H01M 10/052 (2010.01)
CPC H01M 10/0565 (2013.01) [H01M 4/244 (2013.01); H01M 4/42 (2013.01); H01M 4/663 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01)] 20 Claims
 
1. A polymer electrolyte comprising a polyethylene oxide matrix, a plasticizer additive, a solute, and a filler, characterized in that the plasticizer additive comprises an ionic liquid and the filler comprises zinc oxide; wherein the weight ratio of the plasticizer additive to the polyethylene oxide (P/PEO) ranges from 0.01 to 2, the weight ratio of the filler to the polyethylene oxide (F/PEO) ranges from 0.01 to 0.2, and the filler comprises zinc oxide nanotubes, zinc oxide nanorods, zinc oxide nanowires, zinc oxide nanoplates and/or zinc oxide nanoparticles.