US 12,224,441 B2
Nanostructured materials for battery
Yimin Zhu, Fremont, CA (US); Jay L Goldman, Mountain View, CA (US); Jason Hartlove, Los Altos, CA (US); and Hans Jurgen Hofler, Sunnyvale, CA (US)
Assigned to OneD Material, Inc., Palo Alto, CA (US)
Filed by OneD Material, Inc., Palo Alto, CA (US)
Filed on Mar. 4, 2021, as Appl. No. 17/192,204.
Application 17/192,204 is a continuation of application No. 17/024,441, filed on Sep. 17, 2020.
Application 17/024,441 is a continuation of application No. 16/599,795, filed on Oct. 11, 2019, granted, now 11,233,240.
Application 16/599,795 is a continuation of application No. 12/783,243, filed on May 19, 2010, granted, now 10,490,817, issued on Nov. 26, 2019.
Claims priority of provisional application 61/255,732, filed on Oct. 28, 2009.
Claims priority of provisional application 61/221,392, filed on Jun. 29, 2009.
Claims priority of provisional application 61/179,663, filed on May 19, 2009.
Prior Publication US 2021/0210759 A1, Jul. 8, 2021
Int. Cl. H01M 4/583 (2010.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/583 (2013.01) [H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); Y10T 29/49108 (2015.01)] 21 Claims
OG exemplary drawing
 
1. A battery anode electrode, comprising:
(1) one or more Si-based nanostructures disposed on graphite powder, wherein the nanostructures have a core-shell structure and comprise any of (i) Si-based nanoparticles having all dimensions less than 50 nm, (ii) Si-based nanowires having a diameter of 20 nm to 100 nm and a length of 0.1 μm to 50 μm, or (iii) a combination thereof, wherein the nanostructures comprise lithium inserted in the nanostructures, wherein the graphite powder is in the form of separate particles having a diameter of 5 microns to 50 microns, and wherein the core of the nanostructures comprises crystalline silicon and the shell of the nanostructures comprises amorphous silicon;
(2) a carbon-based material; and
(3) a conductive polymer
wherein the battery anode electrode comprises 5 weight % to 30 weight % of the nanostructures disposed on the graphite powder.