US 12,218,334 B2
Potassium secondary battery
Yiying Wu, Columbus, OH (US); Neng Xiao, Columbus, OH (US); and William McCulloch, Columbus, OH (US)
Assigned to Ohio State Innovation Foundation, Columbus, OH (US)
Appl. No. 16/959,937
Filed by Ohio State Innovation Foundation, Columbus, OH (US)
PCT Filed Jan. 2, 2019, PCT No. PCT/US2019/012079
§ 371(c)(1), (2) Date Jul. 2, 2020,
PCT Pub. No. WO2019/013608, PCT Pub. Date Jul. 11, 2019.
Claims priority of provisional application 62/670,673, filed on May 11, 2018.
Claims priority of provisional application 62/613,294, filed on Jan. 3, 2018.
Prior Publication US 2021/0210812 A1, Jul. 8, 2021
Int. Cl. H01M 12/08 (2006.01); H01M 4/38 (2006.01); H01M 4/86 (2006.01); H01M 4/90 (2006.01); H01M 10/0564 (2010.01); H01M 10/0568 (2010.01); H01M 12/02 (2006.01); H01M 4/02 (2006.01); H01M 4/48 (2010.01); H01M 4/58 (2010.01); H01M 4/583 (2010.01)
CPC H01M 12/08 (2013.01) [H01M 4/381 (2013.01); H01M 4/8605 (2013.01); H01M 4/8673 (2013.01); H01M 4/9016 (2013.01); H01M 10/0564 (2013.01); H01M 10/0568 (2013.01); H01M 12/02 (2013.01); H01M 2004/027 (2013.01); H01M 4/483 (2013.01); H01M 4/5815 (2013.01); H01M 4/582 (2013.01); H01M 4/583 (2013.01); H01M 2004/8689 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0037 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A battery comprising
a cathode;
an anode comprising potassium metal; and
a first non-aqueous electrolyte comprising bis(trifluoromethanesulfonyl)imide (KTFSI) and a first solvent, wherein the KTFSI is at a concentration in the first non-aqueous electrolyte of about 0.3 M to about 1.0 M;
wherein
the potassium metal is provided by electrodeposition of potassium ions in a second non-aqueous electrolyte comprising potassium bis(fluorosulfonyl)imide (KFSI) and a second solvent comprising dimethoxyethane.