公开(公告)号：US11990626B2

公开(公告)日：2024-05-21

申请号：US15733735

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

IPC: H01M4/92 ,  B01J23/42 ,  B01J23/46 ,  H01M8/10

CPC classification number: H01M4/921 ,  H01M2008/1095

Abstract: Catalyst comprising an Ir layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ir 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 Ir are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalysts described herein are useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20220059849A1

公开(公告)日：2022-02-24

申请号：US17309508

申请日：2019-10-28

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

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

IPC: H01M4/92 ,  H01M4/88 ,  H01M4/90

Abstract: Catalyst material comprising nanoparticles dispersed within a metal oxide layer, the metal oxide layer comprises metal oxide comprising at least one metal cation, wherein the nanoparticles comprise Pt, wherein the nanoparticles comprise less than 10 atom % of oxygen, and wherein the metal oxide layer has an average thickness not greater than 50 nanometers. The catalyst material comprising nanoparticles dispersed within a metal oxide layer can be converted, for example, to nanoporous catalyst layer comprising nanoparticles fused together, wherein the nanoparticles comprise Pt, wherein the nanoparticles comprise less than 10 atom % of oxygen, and wherein the layer has an average thickness not greater than 50 nanometers. The nanoporous catalyst layer is useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20210075026A1

公开(公告)日：2021-03-11

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 ,  H01M4/92 ,  H01M4/86

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：US20190267638A1

公开(公告)日：2019-08-29

申请号：US16344769

申请日：2017-10-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J.L. Steinbach ,  Amy E. Hester ,  Dennis F. Van Der Vliet

IPC: H01M4/92 ,  H01M4/88

Abstract: Catalysts comprising nanostructured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material having the formula PtxNiyAuz, wherein x is in a range from 27.3 to 29.9, y is in a range from 63.0 to 70.0, and z is in a range from 0.1 to 9.6. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US10991952B2

公开(公告)日：2021-04-27

申请号：US16344769

申请日：2017-10-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J. L. Steinbach ,  Amy E. Hester ,  Dennis F. Van Der Vliet

IPC: H01M4/02 ,  H01M4/92 ,  H01M4/88 ,  H01M4/90 ,  H01M8/1018

Abstract: Catalysts comprising nanostructured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material having the formula PtxNiyAuz, wherein x is in a range from 27.3 to 29.9, y is in a range from 63.0 to 70.0, and z is in a range from 0.1 to 9.6. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20210066724A1

公开(公告)日：2021-03-04

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 ,  H01M4/90 ,  H01M4/88 ,  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：US20190260035A1

公开(公告)日：2019-08-22

申请号：US16344773

申请日：2017-10-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J.L. Steinbach ,  Amy E. Hester ,  Dennis F. Van Der Vliet

IPC: H01M4/92 ,  H01M4/90

Abstract: Nanoporous oxygen reduction catalyst material comprising PtNiAu. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20220115675A1

公开(公告)日：2022-04-14

申请号：US17645072

申请日：2021-12-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J.L. Steinbach ,  Amy E. Hester ,  Dennis F. Van Der Vliet

IPC: H01M4/92 ,  B01J23/89 ,  H01M4/86 ,  H01M4/88 ,  H01M8/10 ,  H01M4/98

Abstract: Nanoporous oxygen reduction catalyst material comprising PtNiIr. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20210408555A1

公开(公告)日：2021-12-30

申请号：US15733735

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

IPC: H01M4/92

Abstract: Catalyst comprising an Ir layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ir 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 Ir are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalysts described herein are useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US11196055B2

公开(公告)日：2021-12-07

申请号：US16344773

申请日：2017-10-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew J. L. Steinbach ,  Amy E. Hester ,  Dennis F. Van Der Vliet

IPC: H01M4/92 ,  H01M4/90 ,  H01M8/1018

Abstract: Nanoporous oxygen reduction catalyst material comprising PtNiAu. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.