	US 12,388,067 B2
	Anodes for lithium-based energy storage devices
Alexander J. Warren, Lake View, NY (US); Peter G. Symons, Buffalo, NY (US); John C. Brewer, Rochester, NY (US); Kyle P. Povlock, Fairport, NY (US); Kevin Tanzil, Rochester, NY (US); Robert G. Anstey, Tonawanda, NY (US); and Paul D. Garman, Westerville, OH (US)
Assigned to Graphenix Development, Inc., Williamsville, NY (US)
Filed by Graphenix Development, Inc., Williamsville, NY (US)
Filed on Apr. 21, 2022, as Appl. No. 17/725,894.
Claims priority of provisional application 63/179,974, filed on Apr. 26, 2021.
Prior Publication US 2022/0344627 A1, Oct. 27, 2022
Int. Cl. H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01)

CPC H01M 4/0404 (2013.01) [H01M 4/0428 (2013.01); H01M 4/134 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/626 (2013.01); H01M 10/0525 (2013.01)]

20 Claims

1. An anode for an energy storage device, the anode comprising:

a) a current collector comprising an electrically conductive layer and a surface layer overlaying the electrically conductive layer; and

b) a lithium storage layer overlaying the surface layer,

wherein:

i) the surface layer comprises a first surface sublayer comprising manganese,

ii) the surface layer comprises a second surface sublayer comprising a transition oxometallate or a metal oxide, wherein the transition oxometallate or the metal oxide comprises a metal other than manganese, wherein the second surface sublayer is in contact with the first surface sublayer, and

iii) the lithium storage layer comprises at least 40 atomic % silicon, germanium, or a combination thereof.