公开(公告)号：US20190393480A1

公开(公告)日：2019-12-26

申请号：US16439971

申请日：2019-06-13

Applicant: Applied Materials, Inc.

Inventor： Dmitri A. BREVNOV

IPC: H01M4/139 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/40 ,  H01M4/04

Abstract: Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one implementation, a method of fabricating a pre-lithiated electrode is provided. The method comprises disposing a lithium metal target comprising a layer of lithium metal adjacent to a surface of a prefabricated electrode. The method further comprises heating at least one of the lithium metal target and the prefabricated electrode to a temperature less than or equal to 180 degrees Celsius. The method further comprises compressing the lithium metal target and the prefabricated electrode together while applying ultrasound to the lithium metal target to transfer a quantity of lithium from the lithium metal target to the prefabricated electrode.

公开(公告)号：US20210218032A1

公开(公告)日：2021-07-15

申请号：US17059573

申请日：2019-06-18

Applicant: Applied Materials, Inc.

Inventor： Dmitri A. BREVNOV

IPC: H01M4/66 ,  C23C14/34 ,  C23C14/16 ,  C23C14/06 ,  C23C14/56 ,  H01M4/04 ,  H01M4/40 ,  C23C28/00

Abstract: Lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same are provided. In one implementation, an anode electrode is provided. The anode electrode comprises a first diffusion barrier layer formed on a copper foil. The first diffusion barrier layer comprises titanium (Ti), molybdenum (Mo), tungsten (W), zirconium (Zr), hafnium (H), niobium (Nb), tantalum (Ta), or combinations thereof. The anode electrode further comprises a wetting layer formed on the first diffusion barrier layer. The wetting layer is selected from silicon (Si), tin (Sn), aluminum (Al), germanium (Ge), antimony (Sb), lead (Pb), bismuth (Bi), gallium (Ga), indium (In), zinc (Zn), cadmium (Cd), magnesium (Mg), oxides thereof, nitrides thereof, or combinations thereof. The anode electrode further comprises a lithium metal layer formed on the wetting layer.

公开(公告)号：US20230072774A1

公开(公告)日：2023-03-09

申请号：US17987686

申请日：2022-11-15

Applicant: Applied Materials, Inc.

Inventor： Dmitri A. BREVNOV

IPC: H01M4/139 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/40 ,  H01M4/38

Abstract: Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one or more embodiments, an integrated processing system operable to form a pre-lithiated electrode includes a reel-to-reel system operable to transport a continuous sheet of material through processing chambers and a pre-lithiation module defining a processing region and is adapted to process the continuous sheet of material. The pre-lithiation module contains a lithium metal target operable to contact and supplying lithium to the continuous sheet of material, a press coupled with the lithium metal target and operable to move the lithium metal target into contact with the continuous sheet of material, one or more ultrasonic transducers positioned in the processing region and operable to apply ultrasonic energy to the lithium metal target, and one or more heat sources positioned in the processing region and operable to heat the lithium metal target.

公开(公告)号：US20170237074A1

公开(公告)日：2017-08-17

申请号：US15443821

申请日：2017-02-27

Applicant: Applied Materials, Inc.

Inventor： Sergey D. LOPATIN ,  Dmitri A. BREVNOV ,  Eric H. LIU ,  Robert Z. BACHRACH ,  Connie P. WANG

IPC: H01M4/62 ,  H01M4/36 ,  H01M4/38 ,  B05D3/00 ,  H01M4/04 ,  C25D3/56 ,  B05D1/06 ,  H01M10/0525 ,  H01M4/587

CPC classification number: H01M4/626 ,  H01M4/02 ,  H01M4/0404 ,  H01M4/0419 ,  H01M4/0452 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/587 ,  H01M4/625 ,  H01M4/64 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  Y02E60/122 ,  Y02P70/54

Abstract: High capacity energy storage devices and energy storage device components, and more specifically, to a system and method for fabricating such high capacity energy storage devices and storage device components using processes that form three-dimensional porous structures are provided. In one embodiment, an anode structure for use in a high capacity energy storage device, comprising a conductive collector substrate, a three-dimensional copper-tin-iron porous conductive matrix formed on one or more surfaces of the conductive collector substrate, comprising a plurality of meso-porous structures formed over the conductive current collector, and an anodically active material deposited over the three-dimensional copper-tin-iron porous conductive matrix is provided. In certain embodiments, the three-dimensional copper-tin-iron porous conductive matrix further comprises a plurality of columnar projections formed on the conductive current collector with the plurality of meso-porous structure formed on the plurality of columnar projections.