公开(公告)号：US12095099B2

公开(公告)日：2024-09-17

申请号：US17656417

申请日：2022-03-24

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Shinsuke Hirono

IPC: H01M4/90 ,  H01M4/86 ,  H01M4/88 ,  H01M4/92

CPC classification number: H01M4/9083 ,  H01M4/861 ,  H01M4/8642 ,  H01M4/8652 ,  H01M4/8657 ,  H01M4/8814 ,  H01M4/8828 ,  H01M4/8882 ,  H01M4/926

Abstract: A catalyst layer for a fuel cell, wherein the catalyst layer comprises a catalyst-supporting carbon and an ionomer; wherein, in a particle size distribution obtained by the laser diffraction/scattering method, the catalyst-supporting carbon has at least two aggregate particle size peaks at less than 1 μm and at 1 μm or more; wherein, when a thickness of the catalyst layer is divided into three equal parts, the catalyst layer has a first region on a gas diffusion layer side, a second region in a middle part, and a third region on an electrolyte membrane side; and wherein a void ratio VG of the first region is 5% or more higher than a void ratio VM of the third region.

公开(公告)号：US12074353B2

公开(公告)日：2024-08-27

申请号：US17270623

申请日：2019-10-23

Applicant: LOCKHEED MARTIN ENERGY, LLC

Inventor： Zachariah M. Norman ,  Alexander B. Papandrew ,  Steven Y. Reece ,  Rachel Christine Klet ,  Matthew Millard

IPC: H01M8/06 ,  H01M4/86 ,  H01M4/90 ,  H01M8/08 ,  H01M8/18 ,  H01M50/414 ,  H01M50/497

CPC classification number: H01M8/0693 ,  H01M4/8605 ,  H01M4/9016 ,  H01M4/9041 ,  H01M8/08 ,  H01M8/188 ,  H01M50/414 ,  H01M50/497 ,  H01M4/8657 ,  H01M2300/0002

Abstract: The present disclosure provides methods and devices for preparing electrolyte solutions containing unwanted impurities at the pg/L levels. The methods generally comprise electrochemically reducing the impurity to a precipitated, plated, or volatilized form, and removing that reduced form from electrolyte solution. This disclosure describes the methods and devices for effecting such methods, and the electrochemical solutions derived or derivable from such methods.

公开(公告)号：US20240282978A1

公开(公告)日：2024-08-22

申请号：US18570246

申请日：2022-06-14

Applicant: Robert Bosch GmbH

Inventor： Erhard Hirth ,  Harald Bauer

IPC: H01M4/86 ,  C25B9/75 ,  C25B9/77 ,  C25B11/032 ,  H01M4/90 ,  H01M8/1004

CPC classification number: H01M4/8657 ,  C25B9/75 ,  C25B9/77 ,  C25B11/032 ,  H01M4/8605 ,  H01M4/9083 ,  H01M8/1004

Abstract: The presented invention relates to a cell assembly (100) for the controlled guiding of reactive fluids, wherein: the cell assembly (100) comprises a membrane (101), which has a first side and a second side opposite from the first side; on each of the first side and the second side, a catalyst layer (103) and a microporous layer (105) are disposed; the microporous layer (105) and/or the catalyst layer (103) of at least one side is profiled in such a way that the surface roughness of the catalyst layer (103) differs from the surface roughness of the microporous layer (105), so that the catalyst layer (103) and the microporous layer (105) fit together in parts.

公开(公告)号：US12009526B2

公开(公告)日：2024-06-11

申请号：US17425693

申请日：2019-12-05

Applicant: AUDI AG ,  Volkswagen AG

Inventor： Thomas Schladt ,  Lasse Schmidt ,  Tanja Graf ,  Gerold Hübner ,  Jonathan Edward Müller

IPC: H01M4/88 ,  H01M4/92 ,  H01M4/86

CPC classification number: H01M4/8892 ,  H01M4/926 ,  H01M4/8605 ,  H01M4/8657

Abstract: A method for the production of an electrode for a fuel cell is provided that comprises providing a multitude of catalyst particles carried on at least one electrically conductive particle carrier, and depositing one or more atomic or molecular layers of an ionomer from the gas phase on the catalyst particles and/or the at least one particle carrier, thereby forming a proton-conducting ionomer coating. Furthermore, an electrode for a fuel cell is also provided.

公开(公告)号：US20240128476A1

公开(公告)日：2024-04-18

申请号：US18375279

申请日：2023-09-29

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Jung Hoon KIM ,  Jong Jun PARK ,  Eun Young YOU ,  Lim KIM ,  Sung Chul LEE ,  Jong Myung LEE ,  Young Ick CHO

IPC: H01M4/92 ,  H01M4/86 ,  H01M4/90

CPC classification number: H01M4/926 ,  H01M4/8652 ,  H01M4/8657 ,  H01M4/9016 ,  H01M4/9041

Abstract: The present disclosure relates to a catalyst for a fuel cell electrode including an active particle which includes a core comprising platinum, a transition metal excluding platinum, and an oxide of a non-transition metal; and a shell disposed on the core and including platinum, wherein the active particle includes platinum and the non-transition metal in a molar ratio of 100:1.80 to 100:4.00, a method of preparing the same, and a fuel cell including the same.

公开(公告)号：US11955645B2

公开(公告)日：2024-04-09

申请号：US17047029

申请日：2019-04-11

Applicant: 3M Innovative Properties Company

Inventor： Andrew J. L. Steinbach ,  Andrew T. Haug ,  Krzysztof A. Lewinski ,  Amy E. Hester ,  Grant M. Thoma ,  Cedric Bedoya ,  Zhenhua Zeng ,  Jeffrey P. Greeley

IPC: H01M4/90 ,  H01M4/86 ,  H01M4/92

CPC classification number: H01M4/9041 ,  H01M4/8657 ,  H01M4/9058 ,  H01M4/92

Abstract: Catalysts comprising a Ta layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ta layer has an average thickness in a range from 0.04 to 30 nanometers, wherein the layer comprising Pt has an average thickness in a range from 0.04 to 50 nanometers, and wherein the Pt and Ta are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US11898258B2

公开(公告)日：2024-02-13

申请号：US17054669

申请日：2019-05-19

Applicant: B. G. NEGEV TECHNOLOGIES & APPLICATIONS LTD., AT BEN-GURION UNIVERSITY

Inventor： Eliyaho Korin ,  Armand Bettelheim ,  Lior Frimet ,  Amir Kaplan ,  Yanir Kadosh

IPC: H01M8/0656 ,  C25B3/23 ,  H01M8/1007 ,  C25B11/061 ,  C25B11/095 ,  C25B15/08 ,  C25B3/07 ,  C25B11/052 ,  C25B11/065 ,  C25B9/17 ,  C25B11/091 ,  C25B11/053 ,  H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  H01M8/1011 ,  H01M8/10

CPC classification number: C25B3/23 ,  C25B3/07 ,  C25B9/17 ,  C25B11/052 ,  C25B11/053 ,  C25B11/061 ,  C25B11/065 ,  C25B11/091 ,  C25B11/095 ,  C25B15/083 ,  H01M4/8657 ,  H01M4/8807 ,  H01M4/8853 ,  H01M4/9008 ,  H01M4/9016 ,  H01M8/0656 ,  H01M8/1007 ,  H01M8/1011 ,  H01M2008/1095

Abstract: This invention provides an electrochemical system for manufacturing methanol from methane in good yields and without admixtures of methanol oxidation products. A fuel cell for methane or methanol utilization is also provided.

公开(公告)号：US20240035177A1

公开(公告)日：2024-02-01

申请号：US18264610

申请日：2023-01-20

Applicant: Nanofilm Technologies International Limited

Inventor： Zhi TANG ,  Ting WANG ,  Xu SHI

IPC: H01M4/86 ,  H01M8/1018 ,  H01M4/88 ,  C25B11/04 ,  C25B11/036 ,  C23C14/35

CPC classification number: H01M4/8657 ,  H01M4/8673 ,  H01M8/1018 ,  H01M4/8871 ,  C25B11/04 ,  C25B11/036 ,  C23C14/35 ,  H01M2008/1095

Abstract: An electrode for electrochemical applications is coated with a layer of a-C, wherein the layer of a-C comprises at least 10 each of first and second sub-layers, being (i) first sub-layers having high conductivity with a sp2 content of 60-95%, alternating with (ii) second sub-layers having high corrosion resistance with a sp2 content of 50-90%, wherein the sp2 content of the first sub-layers is at least 3% greater than the sp2 content of the second sub-layers. A method of making such electrodes comprises:⋅a) depositing a first sub-layer comprising a-C, ⋅b) depositing a second sub-layer comprising a-C wherein the sp2 content of the first sub-layer is at least 3% greater than the sp2 content of the second sub-layer, and ⋅c) repeating the steps above to deposit at least 10 first sub-layers alternating with 10 second sub-layers, so as to produce the electrodes.

公开(公告)号：US20240014406A1

公开(公告)日：2024-01-11

申请号：US18042024

申请日：2021-08-04

Applicant: CARL FREUDENBERG KG

Inventor： Achim BOCK ,  Kristof KLEIN ,  Christoph RAKOUSKY ,  Hannes BARSCH

IPC: H01M4/86 ,  H01M4/88

CPC classification number: H01M4/8668 ,  H01M4/8605 ,  H01M4/8657 ,  H01M4/8673 ,  H01M4/8807 ,  H01M4/8846 ,  H01M4/8885

Abstract: A gas diffusion layer for a fuel cell, including a flat electrically conductive material and/or a sintered product of the flat electrically conductive material. The flat electrically conductive material includes at least one fiber material selected from the group consisting of carbon fiber nonwoven fabrics, carbon fiber woven fabrics, and a combination thereof. The at least one fiber material includes at least one fluorine-containing polymer and at least one polymer different from the at least one fluorine-containing polymer selected from the group consisting of polyaryletherketones, polyphenylene sulfides, polysulfones, polyethersulfones, partially aromatic (co)polyamides, polyimides, polyamide-imides, polyether-imides and combinations thereof. The at least one fluorine-containing polymer and the at least one polymer different from the at least one fluorine-containing polymer are applied to the at least one fiber material and/or incorporated therein.

公开(公告)号：US20230411638A1

公开(公告)日：2023-12-21

申请号：US17842029

申请日：2022-06-16

Applicant: Robert Bosch GmbH

Inventor： Lei CHENG ,  Morteza REZAEI TALARPOSHTI ,  Jonathan BRAATEN ,  Daniil KITCHAEV ,  Nathan CRAIG ,  Christina JOHNSTON

IPC: H01M4/92 ,  H01M4/88 ,  H01M4/86 ,  H01M8/1004

CPC classification number: H01M4/926 ,  H01M4/8825 ,  H01M4/8657 ,  H01M8/1004

Abstract: An electrochemical cell (e.g., a fuel cell) includes an anode layer, a cathode layer, and an electrolyte membrane layer disposed between and spacing part the anode layer and the cathode layer. The electrochemical cell further includes a functional layer disposed at an interface between the cathode layer and the electrode membrane layer. The functional layer includes a composition including a carbon material, an ionomer material, and optionally an amount of catalyst material.