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公开(公告)号：EP3208874A1
公开(公告)日：2017-08-23
申请号：EP15851244.2
申请日：2015-10-07
发明人： TANIMURA, Yasuaki , CHIDA, Takashi , SUGAHARA, Toru , UTSUNOMIYA, Masamichi , KAMAE, Toshiya , SODE, Katsuya , ANDO, Takashi
摘要： One purpose of the present invention is to provide a carbon sheet suitable for use in gas diffusion electrode base materials such that, in a gas diffusion electrode base material, anti-flooding properties are superior because of large improvements in gas diffusibility and drainage properties, high electricity generating performance can be expressed even when operated at comparatively low temperatures and in a high current density region, and further, mechanical properties, conductivity, and heat conductivity are superior. One embodiment of this carbon sheet for achieving the purpose above is a porous carbon sheet containing carbon fiber and a binder, wherein the carbon sheet is characterized in that when measuring the depth distribution of the surfaces and letting surface layer area ratio X be the proportion of the surface area for parts with a depth of 20 µm or less in a measured surface area on one surface and surface layer area ratio Y be the proportion of the surface area for parts with a depth of 20 µm or less in a measured surface area on the other surface, the surface layer area ratio X is larger than the surface layer area ratio Y and that difference is 3 - 12%.
摘要翻译： 本发明的一个目的是提供一种适用于气体扩散电极基材的碳片，使得在气体扩散电极基材中，由于气体扩散性和排水性大幅提高，防淹水性优异， 即使在比较低的温度下和高电流密度区域中操作时也可以表现发电性能，并且机械性能，导电性和导热性优异。 用于实现上述目的的该碳片的一个实施方案是包含碳纤维和粘合剂的多孔碳片，其中该碳片的特征在于，当测量表面的深度分布并使表面层面积比X为 在一个表面上的测量表面积中具有20μm或更小的深度的部分的表面积和表面层面积比Y是测量的表面积中具有20μm或更小的深度的部分的表面积的比例 另一面，表面层面积比X大于表面层面积比Y，该差为3-12％。
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2.发明公开BASE PAPER FOR HEAT EXCHANGER, AND TOTAL HEAT EXCHANGE ELEMENT USING SAME 审中-公开基督教徒FÜRWÄRMETAUSCHERUNDGESAMTWÄRMETAUSCHERELEMENTDAMIT
公开(公告)号：EP3056851A1
公开(公告)日：2016-08-17
申请号：EP14851374.0
申请日：2014-09-30
CPC分类号： D21H13/26 , C09K5/14 , D21H17/63 , D21H17/66 , D21H27/00 , D21H27/30 , F28D21/0015 , F28F21/06 , F28F2255/20 , F28F2260/00
摘要： There are provided base paper for heat exchange having a stacked structure including at least one layer of a first layer composed mainly of a fibrous substance with a Canadian standard freeness specified in JIS P8121 (1995) of less than 150 ml and at least one layer of a second layer composed mainly of a fibrous substance with a Canadian standard freeness specified in JIS P8121 (1995) of greater than or equal to 150 ml, and a total heat exchange element prepared by stacking pieces of corrugated cardboard in which the base paper for heat exchange is used as a part thereof.
摘要翻译： 提供了用于热交换的原纸，其具有包括至少一层由JIS P8121（1995）中规定的具有加拿大标准游离度的纤维状物质组成的第一层的至少一层小于150ml的层叠结构，以及至少一层 主要由JIS P8121（1995）规定的具有加拿大标准游离度的纤维物质组成的第二层大于或等于150ml，以及通过堆叠瓦楞纸板制成的总热交换元件，其中将原纸加热 交换用作其一部分。
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公开(公告)号：EP3389123A1
公开(公告)日：2018-10-17
申请号：EP16873074.5
申请日：2016-12-08
发明人： SODE, Katsuya , CHIDA, Takashi , SUGAHARA, Toru , WAKATABE, Michio , HASHIMOTO, Masaru , SUNAHARA, Tetsuya , UMEZAKI, Yuya
摘要： An object of the present invention is to provide a gas diffusion electrode substrate that is highly resistant to deterioration in power generation performance in a high electric current density region, resistant to breakage and structural destruction during conveyance, and suitable for stable production. A porous carbon sheet including at least carbon fibers, having a thickness of 30 to 95 µm, a gas permeation resistance of 0.5 to 8.8 Pa, and a tensile strength of 5 to 50 N/cm, and a gas diffusion electrode substrate including a porous carbon sheet containing at least carbon fibers, at least one surface thereof having a microporous layer containing at least an electric conductive filler, the gas diffusion electrode substrate being dividable in the thickness direction into a smaller pore part and a larger pore part, the larger pore part having a thickness of 3 to 60 µm.
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公开(公告)号：EP3326985A1
公开(公告)日：2018-05-30
申请号：EP16857329.3
申请日：2016-10-11
发明人： SODE, Katsuya , SUGAHARA, Toru , ANDO, Takashi
CPC分类号： H01M4/8652 , B32B5/28 , C04B35/83 , C04B38/00 , C04B38/06 , H01M4/8605 , H01M4/861 , H01M4/8642 , H01M4/8657 , H01M4/8807 , H01M4/96 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/10
摘要： The purpose of the present invention is to provide a carbon sheet that is suitably employed in a gas-diffusion-electrode substrate that has excellent flooding resistance and with which it is possible to suppress internal peeling of the carbon sheet. In order to achieve the aforementioned purpose, the present invention has the following configuration. Specifically, provided is a porous carbon sheet containing carbon fibers and a binder, wherein, in a section between a surface on one side of the carbon sheet and a surface on the other side thereof, when layers obtained by dividing, under compression, the carbon sheet into six equal parts in the thickness direction are assumed to be layer 1, layer 2, layer 3, layer 4, layer 5, and layer 6, in order starting from the layer including the surface on the one side to the layer including the surface on the other side, the layer in which the packing ratio under compression is the greatest is layer 2, and the relationships of the packing ratios under compression among layer 2, layer 3, layer 4, layer 5, and layer 6 are such that layer 2 has the greatest packing ratio, and layer 3 has the second-greatest packing ratio.
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公开(公告)号：EP3229299B1
公开(公告)日：2018-12-12
申请号：EP15850399.5
申请日：2015-10-07
CPC分类号： H01M4/8807 , H01M4/8605 , H01M4/8657 , H01M4/881 , H01M4/96 , H01M8/0234 , H01M8/0245 , H01M2008/1095 , Y02P70/56
摘要： The present invention provides a carbon sheet suitable for use in gas diffusion electrode base materials that has superior anti-flooding properties, can be prevented from bending into gas flow paths, further has superior mechanical properties, conductivity and thermal conductivity, and can be manufactured stably. One embodiment of this carbon sheet for achieving the purpose above is a porous carbon sheet containing carbon fiber and a binder, wherein the carbon sheet is characterized in that in a section from a plane having a 50% filling ratio closest to one surface to a plane having a 50% filling ratio closest to the other surface, when letting layer X be a layer with the largest filling ratio close to the one surface, layer Y be a layer with a filling ratio smaller than layer X close to the other surface, and layer Z be the layer positioned between layer X and layer Y for layers obtained by dividing the carbon sheet equally into three in a direction perpendicular to the surfaces, the filling ratio for the layers becomes smaller in order of layer X, layer Y, and layer Z.
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公开(公告)号：EP3229299A1
公开(公告)日：2017-10-11
申请号：EP15850399.5
申请日：2015-10-07
CPC分类号： H01M4/8807 , H01M4/8605 , H01M4/8657 , H01M4/881 , H01M4/96 , H01M8/0234 , H01M8/0245 , H01M2008/1095 , Y02P70/56
摘要： The present invention provides a carbon sheet suitable for use in gas diffusion electrode base materials that has superior anti-flooding properties, can be prevented from bending into gas flow paths, further has superior mechanical properties, conductivity and thermal conductivity, and can be manufactured stably. One embodiment of this carbon sheet for achieving the purpose above is a porous carbon sheet containing carbon fiber and a binder, wherein the carbon sheet is characterized in that in a section from a plane having a 50% filling ratio closest to one surface to a plane having a 50% filling ratio closest to the other surface, when letting layer X be a layer with the largest filling ratio close to the one surface, layer Y be a layer with a filling ratio smaller than layer X close to the other surface, and layer Z be the layer positioned between layer X and layer Y for layers obtained by dividing the carbon sheet equally into three in a direction perpendicular to the surfaces, the filling ratio for the layers becomes smaller in order of layer X, layer Y, and layer Z.
摘要翻译： 本发明提供一种适用于气体扩散电极基材的碳薄片，其具有优异的防泛流性，可以防止弯曲成气体流路，并且还具有优异的机械性能，导电性和导热性，并且可以稳定地制造 。 用于实现上述目的的该碳片的一个实施方式是含有碳纤维和粘合剂的多孔碳片，其中该碳片的特征在于，在从具有最接近一个表面的50％填充率的平面到平面 当填充率X最接近一个表面时具有最接近另一个表面的50％填充率时，层Y是填充率小于接近另一表面的层X的填充率的层，以及 层Z是位于层X和层Y之间的层，用于通过在垂直于表面的方向上将碳层等分成三层而获得的层，层的填充率按层X，层Y和层 Z.
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公开(公告)号：EP3228588A1
公开(公告)日：2017-10-11
申请号：EP15851413.3
申请日：2015-10-07
CPC分类号： H01M4/8605 , B01J23/42 , H01M4/8668 , H01M4/8807 , H01M4/8817 , H01M4/96 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/1007 , H01M2008/1095
摘要： The present invention provides a carbon sheet that has excellent anti-flooding ability and can be used suitably ill a gas diffusion electrode base material. Another aspect of the present invention provides a gas diffusion electrode base material using this carbon sheet as the base material, and a fuel cell containing this gas diffusion electrode. This carbon sheet is a porous carbon sheet containing a carbon fiber and a binding material and is characterized in that: layers are obtained in a section spanning from a plane closest to one of the surfaces and having 50% of the mean fluorine intensity to a plane closest to the other surface and having 50% of the mean fluorine intensity by dividing this section evenly into three in an orthogonal direction to the carbon sheet plane; among the layer close to one of the surfaces and the layer close to the other surface, the layer having the larger layer mean fluorine intensity is designated layer X, the layer having the smaller one is designated layer Y, and the layer between the layer X and the layer Y is designated layer Z; and the layer mean fluorine intensities decrease in the order: layer X, layer Y, and layer Z.
摘要翻译： 本发明提供一种防溢流性优异的，可适合用作气体扩散电极基材的碳片。 本发明的另一方面提供了使用该碳板作为基材的气体扩散电极基材以及包含该气体扩散电极的燃料电池。 该碳片是含有碳纤维和粘合材料的多孔碳片，其特征在于：从最接近其中一个表面的平面开始，具有50％的平均氟强度的部分获得层到平面 通过将该部分在与碳片平面正交的方向上均匀地分成三部分而最接近另一表面并具有50％的平均氟强度; 在靠近一个表面的层和靠近另一个表面的层中，具有较大层平均氟强度的层称为层X，具有较小层的层称为层Y，并且层X 并且层Y被指定为层Z; 并且层平均氟浓度按照层X，层Y和层Z的顺序减小。
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公开(公告)号：EP4317580A1
公开(公告)日：2024-02-07
申请号：EP22780224.6
申请日：2022-03-18
IPC分类号： D21H13/50 , D04H1/4242 , H01M4/96
摘要： An object of the present invention is to provide a carbon sheet to be used suitably for a gas diffusion electrode, in which the carbon sheet does not worsen the electrical resistance in the through-plane direction, and can be prevented from the deflection into the gas flow channels provided in the bipolar plate, although such characteristics. A carbon sheet according to the present invention, provided to achieve the above-described object, is a carbon sheet including a first surface and a second surface located at the opposite side to the first surface; wherein, assuming that a specific section is equally divided into 20 portions in the thickness direction to form 20 layers, the degree of fiber orientation of the first surface side outermost layer of the 20 layers is 1.20 or more and 3.00 or less; and wherein, assuming that a region composed of consecutive layers that are included in the 20 layers, and satisfy specific conditions is a first surface side region, and that a region composed of a layer(s) included in the 20 layers but not included in the first surface side region is a second surface side region, the thickness of the first surface side region is 40% or less of the thickness of the whole carbon sheet, and a difference between the average degree of fiber orientation of the second surface side region and the degree of fiber orientation of the first surface side outermost layer is larger than 0.10.
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公开(公告)号：EP3326985B1
公开(公告)日：2020-04-15
申请号：EP16857329.3
申请日：2016-10-11
发明人： SODE, Katsuya , SUGAHARA, Toru , ANDO, Takashi
IPC分类号： C04B35/83 , B32B5/28 , C04B38/00 , C04B38/06 , H01M4/96 , H01M8/02 , H01M8/10 , H01M4/86 , H01M8/0245 , H01M8/0234 , H01M8/0243 , H01M4/88
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公开(公告)号：EP3208874B1
公开(公告)日：2020-03-18
申请号：EP15851244.2
申请日：2015-10-07
发明人： TANIMURA, Yasuaki , CHIDA, Takashi , SUGAHARA, Toru , UTSUNOMIYA, Masamichi , KAMAE, Toshiya , SODE, Katsuya , ANDO, Takashi
IPC分类号： H01M8/0234 , H01M8/0239 , H01M8/0241 , H01M8/0245
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