US 12,170,388 B2
Electrolyte additive in primary batteries for medical devices
Joachim Hossick-Schott, Minneapolis, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Appl. No. 17/608,098
Filed by Medtronic, Inc., Minneapolis, MN (US)
PCT Filed Feb. 19, 2020, PCT No. PCT/US2020/018805
§ 371(c)(1), (2) Date Nov. 1, 2021,
PCT Pub. No. WO2020/222893, PCT Pub. Date Nov. 5, 2020.
Claims priority of provisional application 62/841,995, filed on May 2, 2019.
Prior Publication US 2022/0320529 A1, Oct. 6, 2022
Int. Cl. H01M 6/00 (2006.01); H01M 4/38 (2006.01); H01M 6/16 (2006.01); H01M 6/18 (2006.01)
CPC H01M 6/166 (2013.01) [H01M 4/382 (2013.01); H01M 6/164 (2013.01); H01M 6/168 (2013.01); H01M 6/18 (2013.01); H01M 2300/0037 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A battery comprising:
a first electrode;
a second electrode separated a distance from the first electrode;
an electrolyte disposed between the first electrode and the second electrode, the electrolyte comprising:
a lithium salt comprising LiAsF6;
an organic solvent; and
an electrolyte additive comprising vinylene carbonate,
wherein the battery is a high-rate primary battery, and
wherein the electrolyte comprises vinylene carbonate within a range from about 5 wt. % to about 10 wt. %.