公开(公告)号：US20240014371A1

公开(公告)日：2024-01-11

申请号：US18199749

申请日：2023-05-19

Applicant: Applied Materials, Inc.

Inventor： PrasannaKalleshwara Buddappa RAMACHANDRAPPA ,  Sambhu Nath KUNDU ,  Visweswaren SIVARAMAKRISHNAN ,  Subramanya P. HERLE

IPC: H01M4/04

CPC classification number: H01M4/0435 ,  H01M4/0471 ,  H01M4/0485 ,  H01M2004/027

Abstract: Embodiments of the present disclosure generally relate to battery technology, and more specifically, methods and systems for preparing lithium anodes. In one or more embodiments, a method for producing a lithium intercalated anode includes introducing a sacrificial substrate containing lithium films and an anode substrate containing graphite into a processing region within a chamber. The method also includes combining the sacrificial and anode substrates overlapping one another around a rewinder roller, rotating the rewinder roller to wind the sacrificial and anode substrates together to produce a rolled anode-sacrificial substrate bundle during a winding process. The method also includes heating the sacrificial substrate, the anode substrate, and/or the rolled anode-sacrificial substrate bundle while rotating the rewinder roller and applying a force to the rolled anode-sacrificial substrate bundle via an idle roller during the winding process.

公开(公告)号：US20220372614A1

公开(公告)日：2022-11-24

申请号：US17731565

申请日：2022-04-28

Applicant: Applied Materials, Inc.

Inventor： Sambhu KUNDU ,  PrasannaKalleshwara Buddappa RAMACHANDRAPPA ,  Subramanya P. HERLE ,  Visweswaren SIVARAMAKRISHNAN

IPC: C23C14/56

Abstract: Embodiments of the present disclosure generally relate to flexible substrate fabrication. In particular, embodiments described herein relate to an apparatus and methods for flexible substrate fabrication using nip rollers to improve tension uniformity. In one embodiment, a roller assembly includes a primary roller for transporting a flexible substrate, wherein the primary roller has a first end and a second end, wherein the flexible substrate has a coating disposed hereon, and wherein one or more edge regions are not covered by the coating. The roller assembly further includes a first nip roller disposed at the first end of the primary roller that contacts a first edge region of the one or more edge regions, and a second nip roller disposed at the second end of the primary roller that contacts a second edge region of the one or more edge regions.

公开(公告)号：US20220356026A1

公开(公告)日：2022-11-10

申请号：US17721107

申请日：2022-04-14

Applicant: Applied Materials, Inc.

Inventor： Jean DELMAS ,  Kiran VACHHANI ,  Andreas G. HEGEDUS ,  Subramanya P. HERLE

IPC: B65H23/188 ,  B65H23/038

Abstract: The present disclosure generally relates to systems and methods for transporting a web through a web processing apparatus. In one aspect, a web tension adjustment unit for guiding a web. The web tension adjustment unit includes a first guide roller. The first guide roller includes an adjustment unit. The web tension adjustment unit further includes one or more first non-contact sensors positioned to measure displacement data of the web at a first location. The web tension adjustment unit further includes a system controller for controlling the adjustment unit based on the measured displacement data.

公开(公告)号：US20210328308A1

公开(公告)日：2021-10-21

申请号：US16479988

申请日：2018-08-21

Applicant: Applied Materials, Inc.

Inventor： Connie P. WANG ,  Wen SI ,  Yin Let SIM ,  Torsten DIETER ,  Roland TRASSL ,  Subramanya P. HERLE ,  Christoph DAUBE ,  Jian ZHU ,  James CUSHING

IPC: H01M50/451 ,  H01M50/403 ,  H01M50/489

Abstract: Separators, high performance electrochemical devices, such as, batteries and capacitors, including the aforementioned separators, systems and methods for fabricating the same. In one implementation, a separator is provided. The separator comprises a polymer substrate (131), capable of conducting ions, having a first surface and a second surface opposing the first surface. The separator further comprises a first ceramic-containing layer (136), capable of conducting ions, formed on the first surface. The first ceramic-containing layer (136) has a thickness in arrange from about 1,000 nanometers to about 5000 nanometers. The separator further comprises a second ceramic-containing layer (138), capable of conducting ions, formed on the second surface. The second ceramic-containing layer (138) is a binder-free ceramic-containing layer and has a thickness in arrange from about 1 nanometer to about 1,000 nanometers.

公开(公告)号：US20210184208A1

公开(公告)日：2021-06-17

申请号：US17183976

申请日：2021-02-24

Applicant: Applied Materials, Inc.

Inventor： Subramanya P. HERLE ,  Dieter HAAS

IPC: H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62 ,  B32B27/08 ,  H01M4/13 ,  H01M4/139 ,  C23C14/56 ,  B32B27/28 ,  C23C14/14 ,  B32B15/08 ,  B32B7/04 ,  B32B27/34 ,  B32B15/09 ,  B32B27/30 ,  B32B15/082 ,  B32B27/36 ,  B32B7/06 ,  B32B15/04 ,  B32B27/40 ,  B32B15/085 ,  B32B27/32 ,  B32B15/088 ,  H01M4/04 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525

Abstract: In one implementation, an integrated processing tool for the deposition and processing of lithium metal in energy storage devices. The integrated processing tool may be a web tool. The integrated processing tool may comprises a reel-to-reel system for transporting a continuous sheet of material through the following chambers: a chamber for depositing a thin film of lithium metal on the continuous sheet of material and a chamber for depositing a protective film on the surface of the thin film of lithium metal. The chamber for depositing a thin film of lithium metal may include a PVD system, such as an electron-beam evaporator, a thin film transfer system, or a slot-die deposition system. The chamber for depositing a protective film on the lithium metal film may include a chamber for depositing an interleaf film or a chamber for depositing a lithium-ion conducting polymer on the lithium metal film.

公开(公告)号：US20200343533A1

公开(公告)日：2020-10-29

申请号：US16658286

申请日：2019-10-21

Applicant: Applied Materials, Inc.

Inventor： Subramanya P. HERLE

IPC: H01M4/1395 ,  H01M4/04 ,  H01M4/38 ,  H01M4/62 ,  H01M10/0562

Abstract: A method and apparatus for forming metal electrode structures, more specifically lithium-containing anodes, high performance electrochemical devices, such as primary and secondary electrochemical devices, including the aforementioned lithium-containing electrodes. In one implementation, the method comprises forming a lithium metal film on a current collector. The current collector comprises copper and/or stainless steel. The method further comprises forming a protective film stack on the lithium metal film, comprising forming a first protective film on the lithium metal film. The first protective film is selected from a bismuth chalcogenide film, a copper chalcogenide film, a tin chalcogenide film, a gallium chalcogenide film, a germanium chalcogenide film, an indium chalcogenide film, a silver chalcogenide film, a dielectric film, a lithium fluoride film, or a combination thereof.

公开(公告)号：US20200020911A1

公开(公告)日：2020-01-16

申请号：US16584660

申请日：2019-09-26

Applicant: Applied Materials, Inc.

Inventor： Subramanya P. HERLE

IPC: H01M2/16 ,  H01M2/18 ,  H01M4/38 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/052 ,  H01M4/40

Abstract: The present disclosure generally relate to separators, high performance electrochemical devices, such as, batteries and capacitors, including the aforementioned separators, and methods for fabricating the same. In one implementation, a separator for a battery is provided. The separator comprises a substrate capable of conducting ions and at least one dielectric layer capable of conducting ions. The at least one dielectric layer at least partially covers the substrate and has a thickness of 1 nanometer to 2,000 nanometers.

公开(公告)号：US20190190000A1

公开(公告)日：2019-06-20

申请号：US16309211

申请日：2017-06-08

Applicant: Applied Materials, Inc.

Inventor： Subramanya P. HERLE ,  Bernard FREY ,  Dieter HAAS

IPC: H01M4/04 ,  H01M4/1395

CPC classification number: H01M4/0404 ,  B22F3/1055 ,  B33Y40/00 ,  B33Y80/00 ,  H01G11/84 ,  H01M4/0407 ,  H01M4/0483 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/661 ,  H01M10/0562 ,  H01M10/0563 ,  Y02E60/13 ,  Y02P10/295

Abstract: Implementations described herein generally relate to low melting temperature metal or alloy metal deposition and processing. More particularly, the implementations described herein relate to methods and systems for low melting temperature metal or alloy metal deposition and processing for printed electronics and electrochemical devices. In yet another implementation, a method is provided. The method comprises exposing a molten metal source to a purification process to remove unwanted quantities of contaminants, delivering the filtered molten metal to a three dimensional printing device, and forming a metal film on a substrate by printing the filtered molten metal on the substrate. The purification process comprises delivering the molten metal to a filter assembly, wherein the filter assembly includes at least one of: a skimmer device, a metal mesh filter, and a foam filter, and filtering the molten metal through the filter assembly.

公开(公告)号：US20190058177A1

公开(公告)日：2019-02-21

申请号：US16037895

申请日：2018-07-17

Applicant: Applied Materials, Inc.

Inventor： Subramanya P. HERLE

IPC: H01M2/16 ,  H01M2/14 ,  H01M10/058 ,  H01M10/0525 ,  C23C14/08 ,  C23C14/28 ,  H01G9/02 ,  H01G9/00 ,  H01G9/04

Abstract: Implementations of the present disclosure generally relate to separators, high performance electrochemical devices, such as, batteries and capacitors, including the aforementioned separators, and methods for fabricating the same. In one implementation, a method of forming a separator for a battery is provided. The method comprises exposing a metallic material to be deposited on a surface of an electrode structure positioned in a processing region to an evaporation process. The method further comprises flowing a reactive gas into the processing region. The method further comprises reacting the reactive gas and the evaporated metallic material to deposit a ceramic separator layer on the surface of the electrode structure.

公开(公告)号：US20170288232A1

公开(公告)日：2017-10-05

申请号：US15514299

申请日：2015-09-25

Applicant: APPLIED MATERIALS, INC.

Inventor： Subramanya P. HERLE

IPC: H01M4/62 ,  H01M4/139 ,  H01M4/583

Abstract: A high solids content paste for fabrication of secondary battery electrodes may comprise: a negative active material or a positive active material; a binder; a solvent; and a hyperdispersant; wherein the high solids content paste has a specific viscosity chosen for a particular coating tool and a composition such that the high solids content paste will maintain a deposited shape after coating at least until the high solids content paste has dried and wherein the dry coating thickness is in the range of 5 microns to 300 microns. The high solids content paste with negative active material has a viscosity in the range of 30,000 cP to 45,000 cP and a corresponding density of 1.40 g/cc to 1.43 g/cc. The high solids content paste with positive active material has a viscosity in the range of 25,479 cP to 47,184 cP and a corresponding density of 2.72 g/cc to 2.73 g/cc.