	US 12,291,513 B2
	Pyridinium derivatives made by hydrothermal synthesis for use as anolytes in electrochemical cells
Dawei Feng, Madison, WI (US); Xiuliang Lyu, Madison, WI (US); Patrick Sullivan, Madison, WI (US); and Wenjie Li, Ithaca, NY (US)
Assigned to Wisconsin Alumni Research Foundation, Madison, WI (US)
Filed by Wisconsin Alumni Research Foundation, Madison, WI (US)
Filed on May 2, 2022, as Appl. No. 17/734,377.
Claims priority of provisional application 63/183,162, filed on May 3, 2021.
Prior Publication US 2022/0363663 A1, Nov. 17, 2022
Int. Cl. C07D 401/04 (2006.01); H01M 8/08 (2016.01); H01M 8/18 (2006.01)

CPC C07D 401/04 (2013.01) [H01M 8/08 (2013.01); H01M 8/188 (2013.01); H01M 2300/0002 (2013.01)]

8 Claims

1. A 4,4′-dipyridinium derivative comprising a 4,4′-dipyridinium group, wherein a nitrogen atom of at least one pyridinium ring of the 4,4′-dipyridinium group has a substituent comprising a secondary alcohol on an alkyl chain with a terminal ammonium group, and further wherein neither of the pyridinium rings of the 4,4′-dipyridinium group has a substituent comprising a substituted aryl group.