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公开(公告)号：US20170373329A1
公开(公告)日：2017-12-28
申请号：US15697448
申请日：2017-09-07
发明人： TAKESHI MINAMIURA , TAKASHI YASUO , TSUTOMU KAWASHIMA , HIROAKI SUZUKI , MIYUKI YOSHIMOTO , SHINICHIRO IMURA
IPC分类号： H01M8/0273 , H01M8/0286 , H01M4/86 , H01M8/1004 , H01M8/0284
CPC分类号： H01M8/0273 , H01M4/8605 , H01M8/0239 , H01M8/0243 , H01M8/0247 , H01M8/0284 , H01M8/0286 , H01M8/1004 , H01M2008/1095 , H01M2250/20 , H01M2250/30 , Y02P70/56
摘要： A fuel cell includes a membrane electrode assembly, an anode gas diffusion layer, and a cathode gas diffusion layer, a pair of separators for clamping a laminate made up of the membrane electrode assembly, the anode gas diffusion layer and cathode gas diffusion layer, and a frame that is formed from thermosetting resin and disposed between the separators to surround a periphery of the laminate. At least one of the anode gas diffusion layer and cathode gas diffusion layer is formed from a composite of thermoplastic resin and conductive particles, and includes a protrusion that protrudes beyond a level of a surface of the frame which faces one of the pair of separators in a state that the laminate is not clamped between the separators under a predetermined pressure. The one of the separators presses the protrusion and gets the at least one of the gas diffusion layers to be deformed and put into contact with the frame in a state that the laminate is clamped between the separators under the predetermined pressure.
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公开(公告)号：US20210408554A1
公开(公告)日：2021-12-30
申请号：US17338584
申请日：2021-06-03
IPC分类号： H01M4/88 , H01M8/026 , H01M8/0239 , H01M8/1004
摘要： a fuel battery includes a membrane-electrode assembly (MEA) in which a catalyst layer and a gas diffusion layer are stacked on each of opposite surfaces of a polymer electrolyte membrane; and separators between which the membrane-electrode assembly is interposed, wherein each of the separators includes a rib and a groove on a surface that is in contact with the gas diffusion layer, the rib and the groove forming a gas flow path through which a reaction gas to be used for power generation flows, when a thickness of the gas diffusion layer is defined as h, and a width of a portion of the rib that is in contact with the gas diffusion layer is defined as Rw, 0.29 Rw≤h≤0.55 Rw is satisfied, the gas diffusion layer includes conductive particles, conductive fibers, and a polymer resin, and average fiber length Fl and average fiber diameter Fd of the conductive fibers satisfy Fl
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3.发明申请公开(公告)号：US20170179498A1
公开(公告)日：2017-06-22
申请号：US15446946
申请日：2017-03-01
CPC分类号： H01M4/8807 , B29C59/026 , B29K2105/167 , B29K2995/0005 , B29L2009/005 , B29L2031/3468 , H01M8/0234 , H01M8/0239 , H01M8/0243 , H01M8/026 , H01M2008/1095 , Y02P70/56
摘要： A fuel cell gas diffusion layer includes: a porous layer containing conductive particles and binder resin as primary components; a groove-shaped fluid flow path provided on one of main surfaces of the porous layer; and a conductive wire portion extending along the one of the main surfaces and a surface of the fluid flow path, the conductive wire portion being a layered collection of a plurality of conductive fibers which has pores.
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公开(公告)号：US20210313652A1
公开(公告)日：2021-10-07
申请号：US17207794
申请日：2021-03-22
IPC分类号： H01M50/446 , H01M8/1004
摘要： A gas diffusion layer includes conductive particles, conductive fibers, and polymer resins, in which an amount of surface functional groups in the conductive particle is 0.25 mmol/g or less.
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公开(公告)号：US20190252694A1
公开(公告)日：2019-08-15
申请号：US16391916
申请日：2019-04-23
IPC分类号： H01M8/0284 , H01M8/242 , H01M8/1007 , H01M8/0234 , H01M8/0239 , H01M8/0286 , H01M8/1004 , H01M8/2457 , H01M8/2484 , H01M4/88 , H01M8/0263 , H01M8/0273 , H01M8/0243
CPC分类号： H01M8/0284 , H01M4/881 , H01M8/0234 , H01M8/0239 , H01M8/0243 , H01M8/0263 , H01M8/0273 , H01M8/0286 , H01M8/1004 , H01M8/1007 , H01M8/242 , H01M8/2457 , H01M8/2484 , H01M2008/1095 , H01M2300/0082 , Y02P70/56
摘要： A method for producing a fuel cell module including the steps of: forming, in an annular shape, a plurality of resin sheets in a solid state which at least partially contains fibers and overlapping the plurality of resin sheets with respective both surfaces of an electrode membrane assembly; and integrally joining the electrode membrane assembly, with which the plurality of resin sheets are overlapped, and a pair of separators to each other by adhesion by heating the electrode membrane assembly in a state where the electrode membrane assembly is sandwiched by the pair of separators.
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公开(公告)号：US20170229718A1
公开(公告)日：2017-08-10
申请号：US15503387
申请日：2015-08-25
IPC分类号： H01M8/0284 , H01M8/1007 , H01M8/2484 , H01M8/0286 , H01M8/242 , H01M8/2457 , H01M8/1004 , H01M8/0263
CPC分类号： H01M8/0284 , H01M4/881 , H01M8/0234 , H01M8/0239 , H01M8/0243 , H01M8/0263 , H01M8/0273 , H01M8/0286 , H01M8/1004 , H01M8/1007 , H01M8/242 , H01M8/2457 , H01M8/2484 , H01M2008/1095 , H01M2300/0082 , Y02P70/56
摘要： A fuel cell module includes an electrode membrane assembly and a pair of separators. The electrode membrane assembly includes an electrode portion and a pair of gas diffusion layers. The electrode portion includes a polymer electrolyte membrane, an anode electrode formed on a first surface of the polymer electrolyte membrane, and a cathode electrode formed on a second surface of the polymer electrolyte membrane. One of the pair of gas diffusion layers is in contact with an anode surface of the electrode portion at which the anode electrode is disposed, and the other is in contact with a cathode surface of the electrode portion at which the cathode electrode is disposed. The separators sandwich the electrode membrane assembly from respective the anode surface and the cathode surface. The electrode membrane assembly and each separator are adhered to each other by a plurality of resin portions made of a resin which at least partially contains fibers. At least a part of each gas diffusion layer is impregnated with the resin.
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公开(公告)号：US20210359313A1
公开(公告)日：2021-11-18
申请号：US17235095
申请日：2021-04-20
发明人： YOKO YAMAMOTO , TSUTOMU KAWASHIMA
IPC分类号： H01M8/0258 , H01M8/0221 , H01M4/88
摘要： A fuel battery cell includes: a first separator, a first gas diffusion layer, a first catalyst layer, a polymer electrolyte membrane, a second catalyst layer, a second gas diffusion layer, and a second separator that are sequentially laminated along a laminating direction; a first gas flow path part that is provided between the first separator and the first gas diffusion layer; and a second gas flow path part that is provided between the first separator and the first gas diffusion layer and adjacent to the first gas flow path part in a direction intersecting the laminating direction, and has a flow path area larger than that of the first gas flow path part in a plan view seen along the laminating direction. The first gas diffusion layer includes a first low-elasticity part facing the first gas flow path part, and a first high-elasticity part facing the second gas flow path part and having a higher compressive modulus of elasticity than that of the first low-elasticity part in the laminating direction.
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公开(公告)号：US20190115602A1
公开(公告)日：2019-04-18
申请号：US16209022
申请日：2018-12-04
发明人： YOKO KASAI , YOSHIFUMI TAGUCHI , TSUTOMU KAWASHIMA , TSUTOMU FUJII , SHINICHIRO IMURA , TOSHIHIRO OTSUKA , MIYUKI YOSHIMOTO , KOZUE KUNIYOSHI
IPC分类号： H01M8/0247 , H01M8/0284
摘要： A fuel cell includes: an electrolyte membrane; a cathode positioned on a first surface of the electrolyte membrane; an anode positioned on a second surface of the electrolyte membrane; a cathode-side sealant positioned on a surface of the cathode different from the electrolyte membrane side of the cathode; an anode-side sealant positioned on a surface of the anode different from the electrolyte membrane side of the anode; a cathode-side separator positioned on a surface of the cathode-side sealant different from the cathode side of the cathode-side sealant; and an anode-side separator positioned on a surface of the anode-side sealant different from the anode side of the anode-side sealant. The anode-side separator has a projection on a surface stacked on the anode-side sealant, or the cathode-side separator has a projection on a surface stacked on the cathode-side sealant.
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9.发明申请公开(公告)号：US20180301711A1
公开(公告)日：2018-10-18
申请号：US15767303
申请日：2016-10-21
发明人： TSUTOMU KAWASHIMA , KEIICHI KONDOU , MASASHI SHOJI , KOJI OGAWA
CPC分类号： H01M4/8626 , H01M4/88 , H01M4/8807 , H01M4/96 , H01M8/02 , H01M8/0234 , H01M8/0239 , H01M8/0243 , H01M8/10 , Y02P70/56
摘要： Disclosed is a gas-diffusion layer used for fuel cells, including: a porous material that includes as main ingredients conductive particles and a polymer resin, wherein said gas-diffusion layer internally possesses pores with a size from 0.01 μm to 0.05 μm, and hollows with a size from 1 μm to 200 μm. Further disclosed is a process for producing a gas-diffusion layer used for fuel cells, including: (i) kneading conductive particles, a polymer resin, a pore-forming agent, a surfactant, and a dispersion solvent; (ii) rolling the mixture obtained in Step (i) to shape said mixture into a sheet; (iii) baking the sheet-shaped mixture to sublime the pore-forming agent, thereby forming hollows therein, and to remove the surfactant and the dispersion solvent; and (iv) further rolling the baked mixture to adjust a thickness of the baked mixture.
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公开(公告)号：US20190081375A1
公开(公告)日：2019-03-14
申请号：US16051624
申请日：2018-08-01
发明人： KOICHI SAWADA , TSUTOMU KAWASHIMA , KOJI OGAWA , YU OTSUKA
摘要： A positive electrode for an air battery includes a porous body including carbon. The porous body includes first pores each having a pore diameter of 4 nm or more and less than 100 nm and second pores each having a pore diameter of 100 nm or more and 10 μm or less. In the porous body, a second pore volume is greater than a first pore volume. The second pore volume is a cumulative pore volume of the second pores. The first pore volume is a cumulative pore volume of the first pores.
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