公开(公告)号：US20190181461A1

公开(公告)日：2019-06-13

申请号：US16324519

申请日：2017-08-09

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Brian T. Weber ,  Brandon A. Bartling ,  Onur Sinan Yordem ,  Andrew T. Haug ,  John E. Abulu ,  Gregory M. Haugen ,  Kazuki Noda ,  Shunsuke Suzuki ,  Bharat R. Acharya ,  Daniel M. Pierpont ,  David J. Miller ,  Eric J. Iverson

IPC: H01M8/0273 ,  H01M8/0276 ,  H01M8/0297 ,  H01M8/18

Abstract: The present disclosure relates membrane-electrode assemblies and electrochemical cells and liquid flow batteries produced therefrom. The membrane-electrode assemblies include a first porous electrode; an ion permeable membrane, having a first major surface and an opposed second major surface; a first discontinuous transport protection layer disposed between the first porous electrode and the first major surface of the ion permeable membrane; and a first adhesive layer in contact with the first porous electrode and at least one of the first discontinuous transport protection layer and the ion permeable membrane. The first adhesive layer is disposed along the perimeter of the membrane-electrode assembly. The first porous electrode and first discontinuous transport protection layer, without the presence of the first adhesive layer, are not an integral structure and the membrane-electrode assembly is an integral structure

公开(公告)号：US20180053955A1

公开(公告)日：2018-02-22

申请号：US15556194

申请日：2016-03-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Brian T. Weber ,  Kazuki Noda ,  Onur S. Yordem ,  Gregory M. Haugen ,  Bharat R. Acharya ,  Andrew T. Haug ,  Shunsuke Suzuki ,  Brett J. Sitter

IPC: H01M8/1004 ,  H01M4/86

CPC classification number: H01M8/1004 ,  H01M4/0407 ,  H01M4/8605 ,  H01M4/8652 ,  H01M4/8657 ,  H01M4/8673 ,  H01M4/88 ,  H01M8/20 ,  H01M2004/021 ,  Y02E60/528

Abstract: The present disclosure relates to membrane assemblies, electrode assemblies and membrane-electrode assemblies; and electrochemical cells and liquid flow batteries produced therefrom. The disclosure further provides methods of making the membrane assemblies, electrode assemblies and membrane-electrode assemblies. The membrane assemblies includes an ion exchange membrane and at least one microporous protection layer. The electrode assemblies includes a porous electrode and a microporous protection layer. The membrane-electrode assembly includes an ion exchange membrane, at least one microporous protection layer and at least one porous electrode. The microporous protection layer includes a resin and at least one of an electrically conductive particulate and a non-electrically conductive particulate. The ratio of the weight of the resin to total weight of particulate is from about 1/99 to about 10/1. The resin may be at least one of an ionic resin and a non-ionic resin.

公开(公告)号：US20180053944A1

公开(公告)日：2018-02-22

申请号：US15556679

申请日：2016-03-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Raymond P. Johnston ,  Onur S. Yordem ,  Brian T. Weber ,  Brett J. Sitter ,  Bradley W. Eaton ,  Andrew T. Haug ,  Gregory M. Haugen ,  Ali E. Ozcam ,  Brandon A. Bartling ,  Bharat R. Acharya

IPC: H01M4/86

CPC classification number: H01M4/8626 ,  H01M4/8605 ,  H01M4/8652 ,  H01M4/8657 ,  H01M4/8668 ,  H01M4/8673 ,  H01M4/88

Abstract: The present disclosure relates to porous electrodes, membrane-electrode assemblies, electrode assemblies and electro-chemical cells and liquid flow batteries produced therefrom. The disclosure further provides methods of making porous electrodes, membrane-electrode assemblies and electrode assemblies. The porous electrodes include a porous electrode material comprising a non-electrically conductive, polymer particulate; and an electrically conductive carbon particulate; wherein the electrically conductive carbon particulate is at least one of carbon nanotubes and branched carbon nanotubes. The electrically conductive carbon particulate is adhered directly to the surface of the non-electrically conductive, polymer particulate and at least a portion of the non-electrically conductive polymer particulate surface is fused to form a unitary, porous electrode material.

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：US11973232B2

公开(公告)日：2024-04-30

申请号：US17045101

申请日：2019-03-27

Applicant: 3M Innovative Properties Company

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

IPC: H01M4/90 ,  C22C5/04 ,  H01M4/92

CPC classification number: H01M4/9058 ,  C22C5/04 ,  H01M4/926

Abstract: Nanoporous oxygen reduction catalyst material comprising at least 90 collectively Pt, Ni, and Ta. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

公开(公告)号：US20180102549A1

公开(公告)日：2018-04-12

申请号：US15556328

申请日：2016-03-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Onur S. Yordem ,  Brian T. Weber ,  Brett J. Sitter ,  Raymond P. Johnston ,  Bradley W. Eaton ,  Andrew T. Haug ,  Gregory M. Haugen ,  Brandon A. Bartling

IPC: H01M4/86 ,  H01M4/04 ,  H01M8/1004

CPC classification number: H01M4/8605 ,  H01M4/0407 ,  H01M4/8673 ,  H01M8/1004 ,  H01M2004/021

Abstract: The present disclosure relates to porous electrodes, membrane-electrode assemblies, electrode assemblies and electrochemical cells and liquid flow batteries produced therefrom. The disclosure further provides methods of making porous electrodes, membrane-electrode assemblies and electrode assemblies. The porous electrodes include a porous electrode material comprising a polymer and an electrically conductive carbon particulate; and a solid film substrate having a first major surface and a second major surface, wherein the solid film substrate includes a plurality of through holes extending from the first major surface to the second major surface. The porous electrode material is disposed on at least the first major surface and within the plurality of through holes of the solid film substrate. The plurality of through holes with the porous electrode material provide electrical communication between the first major surface and the opposed second major surface of the porous electrode.

公开(公告)号：US20170294669A1

公开(公告)日：2017-10-12

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: H01M8/1004 ,  H01M4/90 ,  H01M4/86

CPC classification number: H01M8/1004 ,  H01M4/8615 ,  H01M4/90 ,  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：US20160211540A1

公开(公告)日：2016-07-21

申请号：US15081476

申请日：2016-03-25

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew T. Haug

IPC: H01M8/1004 ,  H01M8/1018 ,  H01M4/92 ,  H01M8/1007

CPC classification number: H01M8/1004 ,  H01M4/663 ,  H01M4/8605 ,  H01M4/8647 ,  H01M4/92 ,  H01M8/0234 ,  H01M8/1007 ,  H01M8/1018 ,  H01M2008/1095 ,  H01M2300/0082

Abstract: Gas permeable layers in fuel cell membrane electrode assemblies are provided which comprises a mixture of first and second types of carbon particles, which may provide relatively hydrophilic and relatively hydrophobic pathways. In some embodiments, the first type of carbon particle oxidizes at a lower rate than said second type of carbon particle. In some embodiments, the first type of carbon particle is graphitized and the second type of carbon particle is not graphitized.

Abstract translation: 提供了燃料电池膜电极组件中的透气层，其包括第一和第二类型的碳颗粒的混合物，其可以提供相对亲水和相对疏水的途径。 在一些实施方案中，第一类型的碳颗粒以比所述第二类型的碳颗粒更低的速率氧化。 在一些实施方案中，第一类型的碳颗粒被石墨化，并且第二类型的碳颗粒不被石墨化。

公开(公告)号：US20150125594A1

公开(公告)日：2015-05-07

申请号：US14596482

申请日：2015-01-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew T. Haug

IPC: H01M8/10

CPC classification number: H01M8/1004 ,  H01M4/8642 ,  H01M4/8657 ,  H01M4/8807 ,  H01M4/881 ,  H01M8/1018 ,  H01M2004/8689 ,  H01M2008/1095

Abstract: Polymer electrolyte membrane fuel cell membrane electrode assemblies are provided having multilayer cathodes, where a first layer of the cathode which is more proximate to the polymer electrolyte membrane is more hydrophilic than a second more distal layer of the cathode. In some embodiments, the first layer includes a polymer electrolyte having a lower equivalent weight than a polymer electrolyte included in the second layer.

Abstract translation: 提供了具有多层阴极的聚合物电解质膜燃料电池膜电极组件，其中更靠近聚合物电解质膜的阴极的第一层比阴极的第二更远端层更亲水。 在一些实施方案中，第一层包括具有比包含在第二层中的聚合物电解质低的当量重量的聚合物电解质。

公开(公告)号：US12199290B2

公开(公告)日：2025-01-14

申请号：US17288021

申请日：2019-10-25

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andrew T. Haug ,  John E. Abulu ,  Matthew J. Lindell ,  Tyler S. Matthews ,  Andrew J. L. Steinbach ,  Fuxia Sun ,  Michael A. Yandrasits

IPC: H01M4/92 ,  C09D127/18 ,  C09D141/00 ,  H01M4/86 ,  H01M4/88

Abstract: Described herein is a coating composition comprising: (a) a metal catalyst, wherein the metal catalyst comprises at least one of platinum, ruthenium, iridium, and alloys and combinations thereof; (b) an at least highly fluorinated ionomer comprising a polymer backbone and a plurality of first side chains pendant therefrom, wherein the first side chain comprises at least one protogenic group, wherein the protogenic group is selected from a sulfonic acid, a bis(sulfonyl)imide, a sulfonamide, a sulfonyl methide, and salts and combinations thereof, and wherein the polymer backbone comprises an average of at least 14 carbon atoms between adjacent first side chains along the polymer backbone; and (c) a solvent. Such coating compositions may be used to make electrodes for electrochemical cells and have been shown to have reduced poisoning of the catalyst.