Robert G Anstey

US Patent:

20220344627, Oct 27, 2022

Filed:

Apr 21, 2022

Appl. No.:

17/725894

Inventors:

- Williamsville 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
Paul D. Garman - Westerville OH, US

Assignee:

Graphenix Development, Inc. - Williamsville NY

International Classification:

H01M 4/04
H01M 4/62
H01M 10/0525
H01M 4/36
H01M 4/38
H01M 4/134

Abstract:

An anode for an energy storage device includes a current collector having an electrically conductive layer and a surface layer overlaying the electrically conductive layer. A lithium storage layer may overlay the surface layer. The surface layer may include manganese. The lithium storage layer may include at least 40 atomic % silicon, germanium, or a combination thereof.

US Patent:

20220181639, Jun 9, 2022

Filed:

Feb 22, 2022

Appl. No.:

17/677642

Inventors:

- Williamsville NY, US
Kevin Tanzil - Rochester NY, US
Paul D. Garman - Pittsford NY, US
Robert G. Anstey - Tonawanda NY, US

Assignee:

Graphenix Development, Inc. - Williamsville NY

International Classification:

H01M 4/66
H01M 4/62
H01M 4/38
H01M 4/131
H01M 4/04
H01M 10/0525
H01M 4/1391
H01M 4/134
H01M 4/1395

Abstract:

An anode for a lithium-based energy storage device such as a lithium-ion battery is disclosed. The anode includes an electrically conductive current collector comprising an electrically conductive layer and a transition metal oxide layer overlaying the electrically conductive layer. The anode may include a continuous porous lithium storage layer provided over the transition metal oxide layer. The continuous porous lithium storage layer may include at least 40 atomic % silicon. A method of making the anode may include providing an electrically conductive current collector having an electrically conductive layer and a transition metal oxide layer provided over the electrically conductive layer. The transition metal oxide layer may have an average thickness of at least 0.05 μm. A continuous porous lithium storage layer is deposited over the transition metal oxide layer by PECVD.

US Patent:

20230063959, Mar 2, 2023

Filed:

Oct 19, 2022

Appl. No.:

17/969010

Inventors:

- Williamsville NY, US
Kevin Tanzil - Rochester NY, US
Paul D. Garman - Pittsford NY, US
Robert G. Anstey - Tonawanda NY, US
Isaac N. Lund - Salinas CA, US

Assignee:

Graphenix Development, Inc. - Williamsville NY

International Classification:

H01M 4/62
H01M 10/0525
H01M 4/66
H01M 4/38
H01G 11/68
H01G 11/26
H01G 11/46
H01M 4/134
H01M 4/04
H01M 4/133
H01M 4/136
H01M 4/485
H01M 4/58
H01M 4/64
H01M 4/525

Abstract:

A prelithiated anode may include a current collector may include a metal oxide layer. Prelithiated anodes may in addition include a lithiated storage layer overlaying the metal oxide layer. The lithiated storage layer may be formed by incorporating lithium into a continuous porous lithium storage layer may include at least 80 atomic % silicon. The lithiated storage layer may include less than 1% by weight of carbon-based binders. The lithiated storage layer may further include lithium in a range of 1% to 90% of a theoretical lithium storage capacity of the continuous porous lithium storage layer. Batteries may include the prelithiated anode.

US Patent:

20230050827, Feb 16, 2023

Filed:

Oct 27, 2022

Appl. No.:

17/975196

Inventors:

- Williamsville NY, US
John C. Brewer - Rochester NY, US
Paul D. Garman - Pittsford NY, US
Robert G. Anstey - Tonawanda NY, US

Assignee:

Graphenix Development, Inc. - Williamsville NY

International Classification:

H01M 4/36
H01G 11/70
H01G 11/68
H01G 11/26
H01G 11/36
H01M 10/0525
H01M 4/66
H01M 4/38
H01M 4/58
H01M 4/134
H01M 4/04

Abstract:

A lithium-ion battery may include a cathode, an anode, and a polymer electrolyte. The anode may include a current collector. The current collector may include a metal oxide layer provided in a first pattern overlaying a metal layer. The anode may also include a patterned lithium storage structure. The patterned lithium storage structure may include a continuous porous lithium storage layer overlaying at least a portion of the first pattern of metal oxide. These and other lithium-ion batteries are described.

US Patent:

20230014638, Jan 19, 2023

Filed:

Sep 27, 2022

Appl. No.:

17/953588

Inventors:

- Williamsville NY, US
Paul D. Garman - Pittsford NY, US
Bernard Philip Gridley - Rochester NY, US
Robert G. Anstey - Tonawanda NY, US
Kevin Tanzil - Rochester NY, US

Assignee:

Graphenix Development, Inc., - Williamsville NY

International Classification:

H01M 4/36
H01M 10/0525
H01M 4/66
H01M 4/13
H01M 4/62
H01M 4/38

Abstract:

A method of making an anode for an energy storage device such as a lithium-ion energy storage device is disclosed. The method may include depositing a first lithium storage layer over a current collector by a first CVD process. The current collector may include a metal oxide layer, and the first lithium storage layer is deposited onto the metal oxide layer. The method may also include forming a first intermediate layer over at least a portion of the first lithium storage layer. The method may further include depositing a second lithium storage layer over the first intermediate layer by a second CVD process. At least the first lithium storage layer may be a continuous porous lithium storage layer having a total content of silicon, germanium, or a combination thereof, of at least 40 atomic %.

US Patent:

20210242456, Aug 5, 2021

Filed:

Apr 22, 2021

Appl. No.:

17/237217

Inventors:

- Williamsville NY, US
John C. Brewer - Rochester NY, US
Paul D. Garman - Pittsford NY, US
Robert G. Anstey - Tonawanda NY, US

Assignee:

Graphenix Development, Inc. - Williamsville NY

International Classification:

H01M 4/36
H01G 11/70
H01G 11/68
H01G 11/26
H01G 11/36
H01M 10/0525
H01M 4/66
H01M 4/38
H01M 4/58
H01M 4/134

Abstract:

An anode for an energy storage device includes a current collector having a metal layer; and a metal oxide layer provided in a first pattern overlaying the metal layer. The anode further includes a patterned lithium storage structure having a continuous porous lithium storage layer selectively overlaying at least a portion of the first pattern of metal oxide. A method of making an anode for use in an energy storage device includes providing a current collector having a metal layer and a metal oxide layer provided in a first pattern overlaying the metal layer. A continuous porous lithium storage layer is selectively formed by chemical vapor deposition by exposing the current collector to at least one lithium storage material precursor gas.

US Patent:

20210119217, Apr 22, 2021

Filed:

Dec 2, 2020

Appl. No.:

17/109872

Inventors:

- Williamsville NY, US
Kevin Tanzil - Rochester NY, US
Paul D. Garman - Pittsford NY, US
Robert G. Anstey - Tonawanda NY, US

Assignee:

Graphenix Development, Inc. - Williamsville NY

International Classification:

H01M 4/66
H01M 4/62
H01M 4/38
H01M 4/131
H01M 4/04
H01M 10/0525
H01M 4/1391
H01M 4/134
H01M 4/1395

Abstract:

An anode for a lithium-based energy storage device such as a lithium-ion battery is disclosed. The anode includes an electrically conductive current collector comprising an electrically conductive layer and a transition metal oxide layer overlaying the electrically conductive layer. The anode may include a continuous porous lithium storage layer provided over the transition metal oxide layer. The continuous porous lithium storage layer may include at least 40 atomic % silicon. A method of making the anode may include providing an electrically conductive current collector having an electrically conductive layer and a transition metal oxide layer provided over the electrically conductive layer. The transition metal oxide layer may have an average thickness of at least 0.05 μm. A continuous porous lithium storage layer is deposited over the transition metal oxide layer by PECVD.

US Patent:

20210057733, Feb 25, 2021

Filed:

Aug 19, 2020

Appl. No.:

16/997110

Inventors:

- Williamsville NY, US
Paul D. Garman - Pittsford NY, US
Bernard Philip Gridley - Rochester NY, US
Robert G. Anstey - Tonawanda NY, US
Kevin Tanzil - Rochester NY, US

Assignee:

Graphenix Development, Inc., - Williamsville NY

International Classification:

H01M 4/36
H01M 10/0525
H01M 4/66
H01M 4/38
H01M 4/13
H01M 4/62

Abstract:

An anode for an energy storage device such as a lithium-ion energy storage device is disclosed. The anode includes a current collector having a metal oxide layer, a first lithium storage layer overlaying the current collector, a first intermediate layer overlaying at least a portion of the first lithium storage layer, and a second lithium storage layer overlaying the first intermediate layer. The first lithium storage layer is a continuous porous lithium storage layer having a total content of silicon, germanium, or a combination thereof, of at least 40 atomic %.