US 12,170,366 B2
Preparation of silicon-based anode for use in a Li-ion battery
Malay Jana, West Bengal (IN); and Raj N. Singh, Tulsa, OK (US)
Assigned to The Board of Regents for The Oklahoma Agricultural and Mechanical Colleges, Stillwater, OK (US)
Appl. No. 17/420,603
Filed by THE BOARD OF REGENTS FOR THE OKLAHOMA AGRICULTURAL AND MECHANICAL COLLEGES, Stillwater, OK (US)
PCT Filed Jan. 6, 2020, PCT No. PCT/US2020/012380
§ 371(c)(1), (2) Date Jul. 2, 2021,
PCT Pub. No. WO2020/146264, PCT Pub. Date Jul. 16, 2020.
Claims priority of provisional application 62/789,281, filed on Jan. 7, 2019.
Prior Publication US 2022/0085363 A1, Mar. 17, 2022
Int. Cl. H01M 4/00 (2006.01); H01M 4/04 (2006.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/386 (2013.01) [H01M 4/0457 (2013.01); H01M 4/0471 (2013.01); H01M 4/583 (2013.01); H01M 2004/021 (2013.01)] 27 Claims
OG exemplary drawing
 
1. An anode active material composition comprising:
particles of silicon powder;
a dopant within said particles of silicon powder, said dopant selected from the group consisting of boron, phosphorous and mixtures thereof;
particles of superconducting carbon powder;
a carbon coating layer on each of said particles of silicon powder, wherein said carbon coating layer encapsulates at least one particle of the particles of superconducting carbon powder and said carbon coating layer substantially encapsulates each of said particles of silicon powder.