US 12,266,793 B2
Electrodes, electrode materials, and manufacturing thereof
Darren Huan Shen Tan, San Diego, CA (US); and Erik Austin Wu, San Diego, CA (US)
Assigned to UNIGRID, Inc., San Diego, CA (US)
Filed by UNIGRID, Inc., San Diego, CA (US)
Filed on Jun. 1, 2023, as Appl. No. 18/204,836.
Prior Publication US 2024/0405210 A1, Dec. 5, 2024
Int. Cl. H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 10/054 (2010.01); H01M 10/0562 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01); H01M 4/64 (2006.01)
CPC H01M 4/387 (2013.01) [H01M 4/0404 (2013.01); H01M 4/364 (2013.01); H01M 4/583 (2013.01); H01M 4/622 (2013.01); H01M 10/054 (2013.01); H01M 10/0562 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 4/64 (2013.01); H01M 2300/0028 (2013.01); H01M 2300/0068 (2013.01); H01M 2300/0071 (2013.01); H01M 2300/008 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sodium (Na) battery comprising:
a) a negative electrode comprising a current collector and an active material layer, wherein the negative electrode active material layer comprises a negative electrode active material, wherein the negative electrode active material comprises a plurality of tin (Sn) particles comprising at least about 95 wt % of of tin (Sn);
b) a positive electrode; and
c) an electrolyte comprising a sodium ion,
wherein the plurality of particles has an average particle diameter of from about 5 μm to about 70 μm, and
wherein the electrolyte is (1) a liquid electrolyte comprising a sodium salt and an ether based solvent, or (2) a solid electrolyte comprising a solid borohydride material or a solid sulfide material.