US 12,087,933 B2
Anodes, cathodes, and separators for batteries and methods to make and use same
James M. Tour, Bellaire, TX (US); Rodrigo Villegas Salvatierra, Houston, TX (US); and Gladys Anahi Lopez Silva, Houston, TX (US)
Assigned to William Marsh Rice University, Houston, TX (US)
Appl. No. 16/328,669
Filed by WILLIAM MARSH RICE UNIVERSITY, Houston, TX (US)
PCT Filed Aug. 31, 2017, PCT No. PCT/US2017/049719
§ 371(c)(1), (2) Date Feb. 26, 2019,
PCT Pub. No. WO2018/045226, PCT Pub. Date Mar. 8, 2018.
Claims priority of provisional application 62/460,985, filed on Feb. 20, 2017.
Claims priority of provisional application 62/381,782, filed on Aug. 31, 2016.
Prior Publication US 2019/0181425 A1, Jun. 13, 2019
Int. Cl. H01M 4/133 (2010.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/136 (2010.01); H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 50/451 (2021.01)
CPC H01M 4/133 (2013.01) [H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 4/136 (2013.01); H01M 4/38 (2013.01); H01M 4/58 (2013.01); H01M 4/583 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 50/451 (2021.01); H01M 2004/028 (2013.01); Y02T 10/70 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A sulfurized carbon cathode comprising:
(a) sulfur;
(b) carbon, wherein the carbon is part of a seamless hybrid of carbon nanotubes grown from a graphene layer; and
(c) a thermally treated polymer, wherein
(i) the cathode lacks elemental sulfur, and
(ii) all of the sulfur in the sulfurized carbon cathode is directly or indirectly covalently bound to the carbon.