US 12,438,190 B2
Silicon-based energy storage devices with electrolyte containing crown ether based compounds
Liwen Ji, San Diego, CA (US); Heidi Anderson, Newport Beach, CA (US); and Benjamin Yong Park, Mission Viejo, CA (US)
Assigned to Enevate Corporation, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Jan. 22, 2020, as Appl. No. 16/749,329.
Prior Publication US 2021/0226251 A1, Jul. 22, 2021
Int. Cl. H01M 10/0567 (2010.01); H01G 11/30 (2013.01); H01G 11/52 (2013.01); H01G 11/62 (2013.01); H01M 4/38 (2006.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01)
CPC H01M 10/0567 (2013.01) [H01G 11/30 (2013.01); H01G 11/52 (2013.01); H01G 11/62 (2013.01); H01M 4/386 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0037 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An energy storage device comprising:
a first electrode;
a second electrode;
a separator between the first electrode and the second electrode; and
an electrolyte system comprising:
a crown ether based compound;
a linear carbonate;
a cyclic carbonate; and
a Li-containing salt; and wherein
said crown ether based compound is selected from the group consisting of 2,5,8,11,14,17-Hexaoxabicyclo[16.4.0]docosane; 4′-Methylbenzo-18-crown-6;
4-Vinylbenzo-18-crown-6; 20-Ethynyl-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (18),19,21-triene; 2,5,8,11,14,17-Hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-triene-3,3-dicarbonitrile; 1-(2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (18),19,21-trien-20-yl)piperidine; 3-Ethenyl-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-triene;
2,5,8,11,14-Pentaoxa-17-azabicyclo[16.4.0]docosa-1 (22),18,20-triene; 3-Tert-Butyl-2,5,8,11,14,17-Hexaoxabicyclo[16.4.0]Docosa-1 (22),18,20-Triene; 4-Methyl-2,5,8,11,14,17-Hexaoxabicyclo[16.4.0]Docosa-1(22),18,20-Triene; 6-propyl-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-triene; 7-methyl-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-triene; 3-Methyl-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-triene; 3-(2,5,8,11,14,17-Hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-trien-3-yl)-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1 (22),18,20-triene;
4,17-Dimethyl-2,3,11,12-dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene;
2,3-Benzo-11,12-cyclohexano-1,4,7,10,13,16-hexaoxacyclooctadecane;
(1S,9R,14R,22S)-2,5,8,15,18,21-Hexaoxatricyclo[20.4.0.09,14]hexacosane; 4,4′ (5′)di-t-butyl-cyclohexano-18-crown-6; 13-crown-4;
3-Ethenyl-2,5,8,11,14-pentaoxabicyclo[13.4.0]nonadeca-1(19),15,17-triene; 17-crown-5; 20-crown-6;
benzyloxymethyl-24-crown-8; 4′-Vinylbenzo-24-crown-8 ether;
dinaphtho-24-crown-8; 27-crown-9 ether; Benzo-27-crown-9 ether; 4′-Vinylbenzo-27-crown-9 ether;
4′-Vinylbenzo-30-crown-10 ether; and bis(m-phenylene)-32-crown-10; and
wherein the concentration of the crown ether based compound in the electrolyte is about 0.1% to about 10% by weight.