公开(公告)号：US11532808B2

公开(公告)日：2022-12-20

申请号：US16439971

申请日：2019-06-13

Applicant: Applied Materials, Inc.

Inventor： Dmitri A. Brevnov

IPC: H01M4/82 ,  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 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：US09761882B2

公开(公告)日：2017-09-12

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: H01M4/13 ,  H01M4/62 ,  H01M4/02 ,  H01M4/134 ,  H01M4/04 ,  H01M4/66 ,  H01M4/64 ,  H01M4/36 ,  H01M4/1395 ,  H01M4/38

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.

公开(公告)号：US11876231B2

公开(公告)日：2024-01-16

申请号：US17059573

申请日：2019-06-18

Applicant: Applied Materials, Inc.

Inventor： Dmitri A. Brevnov

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

CPC classification number: H01M4/667 ,  C23C14/0641 ,  C23C14/165 ,  C23C14/34 ,  C23C14/562 ,  C23C28/34 ,  H01M4/0404 ,  H01M4/0426 ,  H01M4/405

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：US12113202B2

公开(公告)日：2024-10-08

申请号：US17987686

申请日：2022-11-15

Applicant: Applied Materials, Inc.

Inventor： Dmitri A. Brevnov

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

CPC classification number: H01M4/139 ,  H01M4/043 ,  H01M4/0471 ,  H01M4/382 ,  H01M4/405 ,  H01M10/0525

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：US08669011B2

公开(公告)日：2014-03-11

申请号：US13908798

申请日：2013-06-03

Applicant: Applied Materials, Inc.

Inventor： Sergey D. Lopatin ,  Dmitri A. Brevnov ,  Connie P. Wang ,  Robert Z. Bachrach

IPC: H01M4/76 ,  H01M4/72 ,  H01M4/58

CPC classification number: H01M4/80 ,  C25D3/32 ,  C25D5/10 ,  C25D7/0614 ,  C25D17/28 ,  H01M4/13 ,  H01M4/139 ,  H01M4/364 ,  H01M4/661 ,  H01M4/666 ,  H01M4/667 ,  H01M4/70 ,  H01M10/0525 ,  H01M10/0566

Abstract: Embodiments of the present invention generally relate to lithium-ion batteries, and more specifically, to a system and method for fabricating such batteries using thin-film processes that form three-dimensional structures. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a flexible conductive substrate, a plurality of conductive microstructures formed on the conductive substrate, comprising a plurality of columnar projections and dendritic structures formed over the plurality of columnar projections and a plurality of tin particles formed on the plurality of conductive microstructures. In another embodiment, the anodic structure further comprises a tin nucleation layer comprising tin particles formed on the flexible conductive substrate between the flexible conductive substrate and the plurality of conductive microstructures.

Abstract translation: 本发明的实施方案一般涉及锂离子电池，更具体地，涉及使用形成三维结构的薄膜工艺制造这种电池的系统和方法。 在一个实施例中，提供了用于形成能量存储装置的阳极结构。 阳极结构包括柔性导电基板，形成在导电基板上的多个导电微结构，包括形成在多个柱状突起上的多个柱状突起和树突状结构以及形成在多个导电微结构上的多个锡颗粒。 在另一个实施方案中，阳极结构还包括锡成核层，其包含形成在柔性导电基底上的锡颗粒在柔性导电基底和多个导电微结构之间。