US 11,961,970 B2
LiS battery with low solvating electrolyte
Mikkel Vestergaard Frandsen, Tuboron, CA (US); David Kim, Santa Fe, NM (US); Holger Althues, Dresden (DE); Paul Hartel, Dresden (DE); Thomas Abendroth, Dresden (DE); Susanne Dörfler, Dresden (DE); Benjamin Schumm, Dresden (DE); Stefan Kaskel, Dresden (DE); and Christine Weller, Dresden (DE)
Assigned to SCEYE SA, Zug (CH)
Appl. No. 17/422,232
Filed by SCEYE SA, Zug (CH)
PCT Filed Jan. 14, 2020, PCT No. PCT/EP2020/050821
§ 371(c)(1), (2) Date Jul. 12, 2021,
PCT Pub. No. WO2020/148258, PCT Pub. Date Jul. 23, 2020.
Claims priority of provisional application 62/793,474, filed on Jan. 17, 2019.
Prior Publication US 2022/0085416 A1, Mar. 17, 2022
Int. Cl. H01M 10/0569 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01)
CPC H01M 10/0569 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 4/38 (2013.01); H01M 2300/0037 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A battery containing an electrochemical cell comprising
a negative lithium electrode;
a positive sulfur electrode, the positive sulfur electrode comprising an electrically conductive porous carbon matrix having pores containing sulfur;
a current collector abutting the positive sulfur electrode;
a separator arranged between the negative lithium electrode and the positive sulfur electrode;
an electrolyte arranged between the electrodes for transport of Li ions between the electrodes;
wherein the electrolyte comprises Hexylmethylether, HME, 1,3 dioxolane, DOL, and a lithium salt, wherein the electrolyte between the electrodes is provided at an amount of less than 2 μl per mg sulfur.