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：US11476470B2

公开(公告)日：2022-10-18

申请号：US15733736

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 ,  James A. Phipps ,  David J. Rowe ,  Cemal S. Duru

IPC: H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  H01M4/92 ,  H01M4/94

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

公开(公告)号：US20210013522A1

公开(公告)日：2021-01-14

申请号：US15733645

申请日：2019-03-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J.L. Steinbach ,  Amy E. Hester ,  Andrew T. Haug ,  Krzysztof A. Lewinski ,  Sean M. Luopa ,  Grant M. Thoma

IPC: H01M4/92 ,  H01M8/1004 ,  H01M4/86 ,  H01M4/90

Abstract: Catalysts comprising nanostructured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material comprising at least 90 atomic percent collectively Pt, Ni, and Cr, wherein the Pt is present in a range from 32.4 to 35.8 atomic percent, the Ni is present in a range from 57.7 to 63.7 atomic percent, and the Cr is present in a range from 0.5 to 10.0 atomic percent, and wherein the total atomic percent of Pt, Ni, and Cr equals 100. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20210008528A1

公开(公告)日：2021-01-14

申请号：US15733646

申请日：2019-03-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J. L. Steinbach ,  Sean M. Luopa ,  Andrew T. Haug ,  Amy E. Hester ,  Krzysztof A. Lewinski ,  Grant M. Thoma

IPC: B01J23/89 ,  B01J23/46 ,  B01J23/42 ,  B01J37/02 ,  H01M4/86 ,  H01M4/90

Abstract: Catalysts comprising nanostmctured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material comprising at least 90 atomic percent collectively Pt, Ni, and Ru, wherein the Pt is present in a range from 33.9 to 35.9 atomic percent, the Ni is present in a range from 60.3 to 63.9 atomic percent, and the Ru is present in a range from 0.5 to 9.9 atomic percent and wherein the total atomic percent of Pt, Ni, and Ru equals 100. Catalyst described herein are useful, 0 for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US10700372B2

公开(公告)日：2020-06-30

申请号：US15531786

申请日：2015-12-09

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Gregory M. Haugen ,  Ljiljana L. Atanasoska ,  Radoslav Atanasoski ,  Andrew T. Haug ,  Dennis F. Van Der Vliet ,  Jimmy L. Wong ,  Andrew M. Armstrong

IPC: H01M4/86 ,  H01M4/90 ,  H01M8/1004 ,  H01M4/92

Abstract: Membrane electrode assembly comprising oxygen evolution reaction catalyst disposed in gas distribution layer (100, 700) or between gas distribution layer (100, 700 and gas dispersion layer (200, 600). Membrane electrode assemblies described herein are useful, for example, in electrochemical devices such as a fuel cell.

公开(公告)号：US20200017980A1

公开(公告)日：2020-01-16

申请号：US16497891

申请日：2018-03-28

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Krzysztof A. Lewinski ,  Jiyoung Park ,  Sean M. Luopa ,  Andrew T. Haug

IPC: C25B1/10 ,  C25B13/08 ,  C25B9/10 ,  B01J23/42

Abstract: Water electrolyzer comprising a membrane having first and second opposed major surfaces and comprising at least one of metallic Pt or Pt oxide supported by at least one of nanostructured whiskers (e.g., perylene red nanostructured whiskers), carbon nanotubes (e.g., single wall carbon nanotubes (SWNT) (sometimes referred to as “buckytubes”) or multiple wall carbon nanotubes (MWNT)), fullerenes (sometimes referred to as “buckyballs”), carbon nanofibers, carbon microfibers, graphene, oxide (e.g., at least one of alumina, silica, tin oxide, titania, or zirconia), or clay; a cathode comprising a first catalyst on the first major surface of the membrane; and an anode comprising a second catalyst on the second major surface of the membrane.

公开(公告)号：US09640824B2

公开(公告)日：2017-05-02

申请号：US14294936

申请日：2014-06-03

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew T. Haug ,  Steven J. Hamrock ,  Gregory M. Haugen ,  Mark A. Schonewill

IPC: H01M4/86 ,  H01M8/10 ,  H01M8/1044 ,  H01M4/88 ,  H01M8/1004 ,  H01M8/1067 ,  H01M8/1018

CPC classification number: H01M8/1044 ,  H01M4/8652 ,  H01M4/8668 ,  H01M4/8673 ,  H01M4/8828 ,  H01M4/886 ,  H01M4/9075 ,  H01M8/1004 ,  H01M8/1067 ,  H01M2008/1095 ,  H01M2300/0082 ,  H01M2300/0091 ,  Y02E60/521

Abstract: A fuel cell electrode layer may include a catalyst, an electronic conductor, and an ionic conductor. Within the electrode layer are a plurality of electronic conductor rich networks and a plurality of ionic conductor rich networks that are interspersed with the electronic conductor rich networks. A volume ratio of the ionic conductor to the electronic conductor is greater in the ionic conductor rich networks than in the electronic conductor rich networks. During operation of a fuel cell that includes the electrode layer, conduction of electrons occurs predominantly within the electronic conductor rich networks and conduction of ions occurs predominantly within the ionic conductor rich networks.

公开(公告)号：US20140329165A1

公开(公告)日：2014-11-06

申请号：US14294936

申请日：2014-06-03

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew T. Haug ,  Steven J. Hamrock ,  Gregory M. Haugen ,  Mark A. Schonewill

IPC: H01M8/10

CPC classification number: H01M8/1044 ,  H01M4/8652 ,  H01M4/8668 ,  H01M4/8673 ,  H01M4/8828 ,  H01M4/886 ,  H01M4/9075 ,  H01M8/1004 ,  H01M8/1067 ,  H01M2008/1095 ,  H01M2300/0082 ,  H01M2300/0091 ,  Y02E60/521

Abstract: A fuel cell electrode layer may include a catalyst, an electronic conductor, and an ionic conductor. Within the electrode layer are a plurality of electronic conductor rich networks and a plurality of ionic conductor rich networks that are interspersed with the electronic conductor rich networks. A volume ratio of the ionic conductor to the electronic conductor is greater in the ionic conductor rich networks than in the electronic conductor rich networks. During operation of a fuel cell that includes the electrode layer, conduction of electrons occurs predominantly within the electronic conductor rich networks and conduction of ions occurs predominantly within the ionic conductor rich networks.

Abstract translation: 燃料电池电极层可以包括催化剂，电子导体和离子导体。 在电极层内是多个电子导体富集网络和多个富含离子导体的网络，它们与电子导体富集网络分散。 在离子导体富集网络中，离子导体与电子导体的体积比大于电子导体富集网络中的体积比。 在包括电极层的燃料电池的操作期间，电子传导主要在电子导体富集网络内，并且离子的传导主要发生在离子导体富集网络内。