-
公开(公告)号：US09461311B2
公开(公告)日：2016-10-04
申请号：US13832358
申请日：2013-03-15
CPC分类号： H01M4/8626 , H01M4/861 , H01M8/0234 , H01M8/0243 , H01M2008/1095 , Y02E60/50 , Y02E60/521
摘要： In at least one embodiment, a fuel cell is provided comprising a positive electrode including a first gas diffusion layer and a first catalyst layer, a negative electrode including a second gas diffusion layer and a second catalyst layer, a proton exchange membrane (PEM) disposed between the positive and negative electrodes, and a microporous layer of carbon and binder disposed between at least one of the first gas diffusion layer and the first catalyst layer and the second gas diffusion layer and the second catalyst layer. The microporous layer may have defined therein a plurality of pores with a diameter of 0.05 to 2.0 μm and a plurality of bores having a diameter of 1 to 100 μm. The bores may be laser perforated and comprise from 0.1 to 5 percent of a total porosity of the microporous layer.
摘要翻译： 在至少一个实施例中，提供了一种燃料电池，其包括：包括第一气体扩散层和第一催化剂层的正极，包括第二气体扩散层和第二催化剂层的负极，设置有质子交换膜（PEM） 正极和负极之间，以及设置在第一气体扩散层和第一催化剂层中的至少一个与第二气体扩散层和第二催化剂层之间的碳和粘合剂的微孔层。 微孔层可以在其中限定直径为0.05至2.0μm的多个孔和多个直径为1至100μm的孔。 孔可以是激光穿孔的，并且包含微孔层的总孔隙率的0.1至5％。
-
公开(公告)号：US20240136545A1
公开(公告)日：2024-04-25
申请号：US18355729
申请日：2023-07-19
发明人： Chunchuan Xu , Zijie Lu , Jun Yang , Daniel E. Wilkosz , Shinichi Hirano
IPC分类号： H01M8/0265 , H01M8/0206 , H01M8/0213 , H01M8/0223 , H01M8/0254 , H01M8/0258 , H01M8/0267
CPC分类号： H01M8/0265 , H01M8/0206 , H01M8/0213 , H01M8/0223 , H01M8/0254 , H01M8/0258 , H01M8/0267 , Y02E60/50
摘要： A fuel cell includes a plurality of unit cells disposed in a stack. Each unit cell includes a membrane electrode assembly (MEA) having an anode and a cathode and a bipolar plate having a cathode side defining a recessed pocket in fluid communication with an air port, an anode side, and coolant channels between the cathode and anode sides. The bipolar plate is disposed against the MEA such that the cathode is disposed over the pocket. A flow guide is disposed in the pocket with a front side facing the MEA and a back side facing a bottom of the pocket. The flow guide has a plurality of embossments.
-
3.发明申请公开(公告)号：US20230053067A1
公开(公告)日：2023-02-16
申请号：US17398419
申请日：2021-08-10
IPC分类号： H01M10/0565 , H01M10/0525 , C08K5/435 , C08K5/315
摘要： A solid polymer electrolyte having a reinforcing substrate, a polymer having ethylene oxide portions and hydrocarbon portions with pendent functional groups having high relative permittivity for an electrochemical cell is provided. The solid polymer electrolyte may provide good ionic conductivity at room temperature and good mechanical strength.
-
公开(公告)号：US20210020962A1
公开(公告)日：2021-01-21
申请号：US16517050
申请日：2019-07-19
发明人： Chunchuan Xu , Zijie Lu , Jun Yang , Daniel E. Wilkosz , Shinichi Hirano
IPC分类号： H01M8/0265 , H01M8/0254
摘要： A bipolar plate for a fuel cell includes an anode plate and a cathode plate. The anode plate has hydrogen flow channels on a first side of the anode plate and coolant channels on a second side of the anode plate. The cathode plate has a first side disposed against the second side of the anode plate to cover the coolant channels and has a second side defining a recessed pocket configured to receive a stream of air. A flow guide is disposed in the pocket such that an inlet manifold is formed along a first edge of the flow guide and an outlet manifold is formed along a second edge of the flow guide. The flow guide defines channels extending from the inlet manifold to the outlet manifold. A plurality of openings is defined by through the flow guide.
-
5.发明公开公开(公告)号：US20240072232A1
公开(公告)日：2024-02-29
申请号：US17897856
申请日：2022-08-29
IPC分类号： H01M4/04 , H01M4/38 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/583 , H01M10/0525 , H01M10/0565
CPC分类号： H01M4/0416 , H01M4/386 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/583 , H01M10/0525 , H01M10/0565 , H01M2004/027
摘要： Various methods of making low-tortuosity electrodes are disclosed. In some embodiments, the low-tortuosity electrodes have a tortuosity of less than 2.0 or 1.4 and include battery-active material and solid electrolyte with the solid electrolyte having channels therein that are vertically aligned. A solid-state lithium-ion battery electrode is also disclosed.
-
公开(公告)号：US11682793B2
公开(公告)日：2023-06-20
申请号：US17081304
申请日：2020-10-27
发明人： Zijie Lu , Andrew Robert Drews , Xiaojiang Wang
IPC分类号： H01M10/0565 , C08G81/00 , C08G75/30 , H01M10/0525 , C08J5/18
CPC分类号： H01M10/0565 , C08G75/30 , C08G81/00 , C08J5/18 , H01M10/0525 , C08J2381/10 , C08J2387/00 , H01M2300/0082
摘要： A single-ion polymer electrolyte has formula (I): R—[SO2N(M)SO2—X—]m—SO3Li (I). In formula (I), X may be an electron withdrawing group such as an aromatic group, substituted aromatic group, —(CF2)n—, —(CCl2)n—, —C6H4—, or —C6H3(NO2)—. R may be a fluorinated alkyl, LiSO3(CF2)3—, or an aromatic group, and M may be a metal cation. For the single-ion polymer electrolyte with formula (I), m may be an integer from 2 to 2000, and n may be an integer from 1 to 4.
-
公开(公告)号：US20170309921A1
公开(公告)日：2017-10-26
申请号：US15133268
申请日：2016-04-20
发明人： Kerrie K. Gath , Chunchuan Xu , Jun Yang , Zijie Lu
CPC分类号： H01M4/8871 , H01M4/8605 , H01M4/8642 , H01M4/8803 , H01M4/9016 , H01M4/9041 , H01M4/92 , H01M2008/1095
摘要： A fuel cell electrode includes a carbon nanofiber substrate and a continuous film of up to 100 atom-thick monolayers forming a network of interconnected electrocatalyst nanoparticles deposited on the carbon nanofiber substrate such that at least some of the nanoparticles are directly adhered to uppermost nanofibers of the substrate to form a layer resistant to electrocatalyst depletion.
-
8.发明授权Microporous layer structures and gas diffusion layer assemblies in proton exchange membrane fuel cells 有权质子交换膜燃料电池中的微孔层结构和气体扩散层组件公开(公告)号：US08945790B2
公开(公告)日：2015-02-03
申请号：US13832943
申请日：2013-03-15
发明人： Zijie Lu , James Waldecker
CPC分类号： H01M8/1002 , H01M8/0239 , H01M8/04291 , H01M8/1007 , H01M2008/1095
摘要： In at least one embodiment, a microporous layer configured to be disposed between a catalyst layer and a gas diffusion layer of a fuel cell electrode assembly is provided. The microporous layer may have defined therein a plurality of hydrophilic pores, a plurality of hydrophobic pores with a diameter of 0.02 to 0.5 μm, and a plurality of bores with a diameter of 0.5 to 100 μm. The microporous layer structures and gas diffusion layer assemblies disclosed herein may be defined by a number of various designs and arrangements for use in proton exchange membrane fuel cell systems.
摘要翻译： 在至少一个实施例中，提供了构造成设置在燃料电池电极组件的催化剂层和气体扩散层之间的微孔层。 微孔层可以在其中限定有多个亲水孔，多个直径为0.02至0.5μm的疏水孔，以及多个直径为0.5至100μm的孔。 本文公开的微孔层结构和气体扩散层组件可以由许多用于质子交换膜燃料电池系统的各种设计和布置来限定。
-
公开(公告)号：US11742496B2
公开(公告)日：2023-08-29
申请号：US16517050
申请日：2019-07-19
发明人： Chunchuan Xu , Zijie Lu , Jun Yang , Daniel E. Wilkosz , Shinichi Hirano
IPC分类号： H01M8/0265 , H01M8/0254 , H01M8/0213 , H01M8/0206 , H01M8/0258 , H01M8/0223 , H01M8/0267
CPC分类号： H01M8/0265 , H01M8/0206 , H01M8/0213 , H01M8/0223 , H01M8/0254 , H01M8/0258 , H01M8/0267 , Y02E60/50
摘要： A bipolar plate for a fuel cell includes an anode plate and a cathode plate. The anode plate has hydrogen flow channels on a first side of the anode plate and coolant channels on a second side of the anode plate. The cathode plate has a first side disposed against the second side of the anode plate to cover the coolant channels and has a second side defining a recessed pocket configured to receive a stream of air. A flow guide is disposed in the pocket such that an inlet manifold is formed along a first edge of the flow guide and an outlet manifold is formed along a second edge of the flow guide. The flow guide defines channels extending from the inlet manifold to the outlet manifold. A plurality of openings is defined by through the flow guide.
-
公开(公告)号：US10811693B2
公开(公告)日：2020-10-20
申请号：US15248270
申请日：2016-08-26
发明人： Kerrie K. Gath , Jun Yang , Chunchuan Xu , Patrick Pietrasz , Richard E. Soltis , Mark John Jagner , James Waldecker , Zijie Lu , Mark S. Sulek
IPC分类号： H01M4/92 , H01M4/88 , H01M8/1018
摘要： A fuel cell oxidation reduction reaction catalyst comprising a carbon substrate, an amorphous metal oxide intermediate layer on the substrate, and an intertwined matrix of platinum and elemental niobium arranged to form a surface metal layer covering the intermediate layer such that upon oxidation, the niobium binds with oxygen resulting in strengthened bonds between the platinum and the intermediate layer.
-
-
-
-
-
-
-
-
-
搜索结果
19 条记录 (耗时 0.013 秒)
