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1. 发明公开

EP2506353A1 POROUS ELECTRODE BASE MATERIAL, PROCESS FOR PRODUCTION THEREOF, PRECURSOR SHEET, FILM-ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL 有权
标题翻译： PORÖSESELEKTRODENBASISMATERIAL，HERSTELLUNGSVERFAHRENDAFÜR，VORLÄUFERFOLIE，FILMELEKTRODENANORDNUNG UND FESTPOLYMERBRENNSTOFFZELLE
公开(公告)号：EP2506353A1
公开(公告)日：2012-10-03
申请号：EP10833173.7
申请日：2010-11-22
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , SAKO, Yoshihiro
IPC分类号： H01M4/96 , H01M4/88 , H01M8/10
CPC分类号： H01M8/0234 , H01M8/1004 , H01M2008/1095 , Y02E60/50 , Y02P70/56
摘要： The provision of a porous electrode substrate that has large sheet strength, low production costs, high handling properties, high thickness precision and surface smoothness, and sufficient gas permeability and electrical conductivity. A porous electrode substrate including a three-dimensional entangled structure including short carbon fibers (A) dispersed in a three-dimensional structure, joined together via three-dimensional mesh-like carbon fibers (B). A method for producing a porous electrode substrate, including a step (1) of producing a precursor sheet including short carbon fibers (A), and short carbon fiber precursors (b) and/or fibrillar carbon fiber precursors (b') dispersed in a two-dimensional plane; a step (2) of subjecting the precursor sheet to entanglement treatment; and a step (3) of subjecting this sheet to carbonization treatment at 1000°C or higher. It is preferable to include a step (4) of subjecting the sheet to hot press forming at lower than 200°C between step (2) and step (3), and to further include a step (5) of subjecting the sheet after hot press forming to oxidation treatment at 200°C or higher and lower than 300°C between step (4) and step (3).
摘要翻译：提供具有大的片强度，低生产成本，高处理性，高厚度精度和表面平滑度以及足够的透气性和导电性的多孔电极基片。包括分散在三维结构中的短碳纤维（A）的三维缠结结构的多孔电极基板，通过三维网状碳纤维（B）连接在一起。一种多孔电极基板的制造方法，其特征在于，包括：制造分散在所述多孔电极基板中的短碳纤维（A）和短碳纤维前体（b）和/或原纤维碳纤维前体（b'）的前体片的工序（1）二维平面; 对前体片进行缠结处理的步骤（2）; 以及将该片材在1000℃以上进行碳化处理的工序（3）。优选包括在步骤（2）和步骤（3）之间对片材进行低于200℃的热压成形的步骤（4），并且还包括在热处理后对片材进行热处理的步骤（5）在步骤（4）和步骤（3）之间，在200℃以上且低于300℃的压制成型进行氧化处理。

2. 发明公开

EP2905364A1 FLAME-PROOFED FIBER BUNDLE, CARBON FIBER BUNDLE, AND PROCESSES FOR PRODUCING THESE 审中-公开
标题翻译： FEERERFESTESFASERBÜNDEL，KOHLEFASERBÜNDELUND VERFAHREN ZUR HERSTELLUNG DAVON
公开(公告)号：EP2905364A1
公开(公告)日：2015-08-12
申请号：EP12886114.3
申请日：2012-12-26
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SAKO, Yoshihiro , NAKAO, Hiroyuki , KOTANI, Tomoyuki , TOKORO, Yasuhito , TATEGAKI, Hiroshi , KOGAME, Akiyoshi , SUMIYA, Kazunori , HIRANO, Kenji
IPC分类号： D01F9/22
CPC分类号： C08F120/12 , C08L33/18 , D01D5/16 , D01D5/253 , D01D10/02 , D01F6/16 , D01F9/21 , D01F9/225 , D02J13/001 , Y10T428/2918
摘要： [Problem] To efficiently and inexpensively provide a flame-resistant fiber bundle having high performance and high quality and a carbon fiber bundle which is obtained using the flame-resistant fiber bundle. [Solution] A process for producing a flame-resistant fiber bundle, the process comprising a step in which a flame-resistant fiber bundle (1) having a single-fiber density ρ F1 of 1.26 g/cm 3 to 1.36 g/cm 3 is brought into contact sequentially with a heater group having a surface temperature T H of 240°C to 400°C under the following conditions (A), (B), and (C) to obtain a flame-resistant fiber bundle (2) having a single-fiber density ρ F2 of 1.33 g/cm 3 to 1.43 g/cm 3 : (A) the heater H n+1 with which the fiber bundle is brought into contact "n+1"-thly has a highter temperature than the heater H n with which the fiber bundle is brought into contact "n"-thly; (B) the total contact time between the fiber bundle and the heater group is 10 seconds to 360 seconds; and (C) the contact time between the fiber bundle and each heater is 2 seconds to 20 seconds. A flame-resistant fiber bundle configured by a single fiber group having a single-fiber fineness of 0.8 dTex to 5.0 dTex, wherein an average density of a single fiber is 1.33 g/cm 3 to 1.43 g/cm 3 , and a variation coefficient CV of the density in the fiber bundle is 0.2% or less.
摘要翻译： [问题]为了有效且廉价地提供使用耐火纤维束获得的具有高性能和高质量的耐火纤维束和碳纤维束。 [解决方案]制造阻燃纤维束的方法，该方法包括以下步骤：将单纤维密度F1的1.16g / cm 3至1.36g / cm 3的阻燃纤维束（1）在下列条件（A），（B）和（C）中，使表面温度TH为240℃〜400℃的加热器组依次接触，得到具有单纤维密度ΔF1为1.33g / cm 3至1.43g / cm 3：（A）纤维束与其接触的加热器H n + 1的温度比第n + 1高加热器H n与纤维束接触“n”; （B）纤维束和加热器组之间的总接触时间为10秒至360秒; （C）纤维束与各加热器的接触时间为2秒〜20秒。由单纤维细度为0.8dTex〜5.0dTex的单纤维组构成的阻燃纤维束，其中，单纤维的平均密度为1.33g / cm 3〜1.43g / cm 3，变形系数纤维束的密度CV为0.2％以下。

3. 发明授权

EP2453506B1 POROUS ELECTRODE BASE MATERIAL, AND PROCESS FOR PRODUCTION THEREOF 有权
标题翻译： PORÖSESELEKTRODENBASISOMTERIAL UND HERSTELLUNGSVERFAHRENDAFÜR
公开(公告)号：EP2453506B1
公开(公告)日：2016-12-28
申请号：EP10797164.0
申请日：2010-07-08
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , SAKO, Yoshihiro
IPC分类号： D21H13/50 , H01M8/02
CPC分类号： H01M8/0234 , D21H13/50 , H01M2008/1095 , Y02P70/56

4. 发明授权

EP2637239B1 POROUS ELECTRODE BASE MATERIAL AND PROCESS FOR PRODUCTION THEREOF, POROUS ELECTRODE BASE MATERIAL PRECURSOR SHEET, MEMBRANE-ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL 有权
标题翻译：多孔电极基材，用于生产，前体膜的用于多孔电极基材，膜电极组件和固体聚合物燃料电池
公开(公告)号：EP2637239B1
公开(公告)日：2015-12-16
申请号：EP11837908.0
申请日：2011-10-26
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , SAKO, Yoshihiro
IPC分类号： B32B18/00 , C04B35/83 , H01M4/86 , H01M8/02 , D21H27/00 , D21H13/50 , H01M4/88 , H01M4/96
CPC分类号： H01M4/8657 , B32B18/00 , C04B35/83 , C04B2235/526 , C04B2235/5264 , C04B2235/5268 , C04B2235/5272 , C04B2235/602 , C04B2235/652 , C04B2235/663 , C04B2237/385 , C04B2237/584 , D21H13/50 , D21H27/00 , H01M4/8605 , H01M4/8626 , H01M4/8803 , H01M4/8875 , H01M4/8885 , H01M4/96 , H01M8/0234 , H01M8/0245 , Y02E60/50 , Y02P70/56
摘要： Provided are: a porous electrode substrate which has excellent handling properties and surface smoothness and satisfactory gas permeability and electrical conductivity, and enables the reduction of damage to a polymer electrolyte membrane when integrated into a fuel cell; and a process for producing the porous electrode substrate. Specifically provided are: a porous electrode substrate comprising a three-dimensional structure (Y-1) produced by bonding short carbon fibers through carbon and a three-dimensional structure (Y-2) produced by bonding short carbon fibers through carbon, wherein the three-dimensional structures (Y-1) and (Y-2) are layer stacked on and integrated with each other, the short carbon fibers form a three-dimensional entangled structure in the structure (Y-1), and the short carbon fibers do not form a three-dimensional entangled structure in the structure (Y-2); a process for producing the electrode base material; a precursor sheet for producing the electrode base material; a membrane-electrode assembly which involves the electrode base material; and a polymer electrolyte fuel cell.

5. 发明公开

EP2637239A1 POROUS ELECTRODE BASE MATERIAL AND PROCESS FOR PRODUCTION THEREOF, POROUS ELECTRODE BASE MATERIAL PRECURSOR SHEET, MEMBRANE-ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL 有权
标题翻译：多孔电极基材，用于生产，前体膜的用于多孔电极基材，膜电极组件和固体聚合物燃料电池
公开(公告)号：EP2637239A1
公开(公告)日：2013-09-11
申请号：EP11837908.0
申请日：2011-10-26
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , SAKO, Yoshihiro
IPC分类号： H01M4/96 , C04B35/80 , D21H13/50 , D21H27/00 , H01M4/88 , H01M8/10
CPC分类号： H01M4/8657 , B32B18/00 , C04B35/83 , C04B2235/526 , C04B2235/5264 , C04B2235/5268 , C04B2235/5272 , C04B2235/602 , C04B2235/652 , C04B2235/663 , C04B2237/385 , C04B2237/584 , D21H13/50 , D21H27/00 , H01M4/8605 , H01M4/8626 , H01M4/8803 , H01M4/8875 , H01M4/8885 , H01M4/96 , H01M8/0234 , H01M8/0245 , Y02E60/50 , Y02P70/56
摘要： Provided are: a porous electrode substrate which has excellent handling properties and surface smoothness and satisfactory gas permeability and electrical conductivity, and enables the reduction of damage to a polymer electrolyte membrane when integrated into a fuel cell; and a process for producing the porous electrode substrate. Specifically provided are: a porous electrode substrate comprising a three-dimensional structure (Y-1) produced by bonding short carbon fibers through carbon and a three-dimensional structure (Y-2) produced by bonding short carbon fibers through carbon, wherein the three-dimensional structures (Y-1) and (Y-2) are layer stacked on and integrated with each other, the short carbon fibers form a three-dimensional entangled structure in the structure (Y-1), and the short carbon fibers do not form a three-dimensional entangled structure in the structure (Y-2); a process for producing the electrode base material; a precursor sheet for producing the electrode base material; a membrane-electrode assembly which involves the electrode base material; and a polymer electrolyte fuel cell.
摘要翻译：本发明提供：具有优异的加工性能和表面光滑度和令人满意的透气性和导电性，并且使得高分子电解质膜的损伤的减少当被集成到燃料电池中的多孔电极基片; 及用于生产多孔电极基材的方法。具体提供：包含通过结合通过碳碳短纤维所产生的三维结构（Y-1）和通过碳键合的碳短纤维所产生的三维结构（Y-2）的多孔电极基材，worin三个维结构（Y-1）和（Y-2）是层堆叠在和与海誓山盟集成，碳短纤维形成的结构（Y-1），和碳短纤维做的三维交织结构不会形成在结构的三维交织结构（Y-2）; 为了制造电极基体材料的工序; 前体片材用于制造电极基体材料; 这涉及到电极基体材料的膜 - 电极组件; 和聚合物电解质燃料电池。

6. 发明公开

EP2395585A1 POROUS ELECTRODE SUBSTRATE, METHOD FOR PRODUCING THE SAME, MEMBRANE-ELECTRODE ASSEMBLY, AND SOLID POLYMER-TYPE FUEL CELL 审中-公开
标题翻译： PORÖSESELEKTRODENSUBSTRAT，HERSTELLUNGSVERFAHRENDAFÜR，MEMBRANELEKTRODENANORDNUNG UND FESTPOLYMERBRENNSTOFFZELLE
公开(公告)号：EP2395585A1
公开(公告)日：2011-12-14
申请号：EP10738496.8
申请日：2010-02-02
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , SAKO, Yoshihiro
IPC分类号： H01M4/96 , D21H13/50 , H01M4/88 , H01M8/10
CPC分类号： H01M4/8605 , D04H1/4242 , D04H1/4382 , D21H13/50 , D21H15/02 , H01B1/122 , H01M4/926 , H01M8/0234 , H01M8/1007 , Y02E60/521 , Y10T29/49117 , Y10T428/30
摘要： Provided is a porous electrode substrate having high mechanical strength, good handling properties, high thickness precision, little undulation, and adequate gas permeability and conductivity. Also provided is a method for producing a porous electrode substrate at low costs. A porous electrode substrate is produced by joining short carbon fibers (A) via mesh-like of carbon fibers (B) having an average diameter of 4 µm or smaller. Further provided are a membrane-electrode assembly and a polymer electrolyte fuel cell that use this porous electrode membrane. A porous electrode substrate is obtained by subjecting a precursor sheet, in which short carbon fibers (A) and short carbon fiber precursors (b) having an average diameter of 5 µm or smaller have been dispersed, to carbonization treatment after optional hot press forming and optional oxidization treatment.
摘要翻译：本发明提供机械强度高，处理性能好，厚度精度高，波动小，气体渗透性和导电性好的多孔电极基板。另外提供了一种以低成本制造多孔电极基板的方法。通过使平均直径为4μm以下的碳纤维（B）的网状连接短碳纤维（A）来制造多孔电极基板。还提供了使用该多孔电极膜的膜 - 电极组件和聚合物电解质燃料电池。多孔电极基板是通过对其中分散有平均直径为5μm以下的短碳纤维（A）和短碳纤维前体（b）的前体片进行碳热处理而获得的，任选的热压成型后，任选氧化处理。

7. 发明公开

EP2667438A1 POROUS ELECTRODE BASE MATERIAL, METHOD FOR MANUFACTURING SAME, MEMBRANE-ELECTRODE ASSEMBLY, SOLID POLYMER FUEL CELL, PRECURSOR SHEET, AND FIBRILLAR FIBERS 审中-公开
标题翻译：多孔电极基材，用于生产，膜电极接合体，固体高分子燃料电池，其前体薄膜和纤维原纤
公开(公告)号：EP2667438A1
公开(公告)日：2013-11-27
申请号：EP12736945.2
申请日：2012-01-16
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , TANOUE, Shigeru , SAKO, Yoshihiro
IPC分类号： H01M4/88 , C01B31/02 , D01F6/54 , D21B1/04 , D21H13/50 , H01M4/96
CPC分类号： H01M4/8807 , D01F9/22 , D21H13/50 , H01M4/8605 , H01M4/96 , H01M8/0234 , H01M2008/1095 , Y02P70/56
摘要： Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate. The method for manufacturing a porous electrode substrate includes step (1) for manufacturing a precursor sheet in which short carbon fibers (A) and carbon fiber precursor (b) are dispersed, and step (2) for carbonizing the precursor sheet, and the volume contraction rate of carbon fiber precursor (b) in step (2) is 83% or lower. The present invention also relates to a porous electrode substrate obtained by such a manufacturing method, a precursor sheet and fibrillar fiber used for forming the substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell containing the substrate.

8. 发明公开

EP2453506A1 POROUS ELECTRODE BASE MATERIAL, AND PROCESS FOR PRODUCTION THEREOF 有权
标题翻译：多孔电极基材及其制造方法
公开(公告)号：EP2453506A1
公开(公告)日：2012-05-16
申请号：EP10797164.0
申请日：2010-07-08
申请人： Mitsubishi Rayon Co., Ltd.
发明人： SUMIOKA, Kazuhiro , SAKO, Yoshihiro
IPC分类号： H01M4/88 , D21H13/50 , H01M8/10
CPC分类号： H01M8/0234 , D21H13/50 , H01M2008/1095 , Y02P70/56
摘要： The present invention provides a porous electrode substrate that has low production cost, high mechanical strength, thickness precision, and surface smoothness, and sufficient gas permeability and electrical conductivity, and a method for producing the same. In the present invention, for example, a porous electrode substrate that includes short carbon fibers (A) joined together via three-dimensional mesh-like carbon fibers (B) is produced by a method including a step (1) of dispersing short carbon fibers (A), and short carbon fiber precursors (b) to be fibrillated by beating, to produce a precursor sheets; and a step (2) of subjecting the precursor sheet to carbonization treatment at a temperature of 1000°C or higher.
摘要翻译：本发明提供一种生产成本低，机械强度高，厚度精度高，表面平滑性，透气性和导电性充分的多孔电极基材及其制造方法。在本发明中，例如，包括经由三维网状碳纤维（B）接合在一起的短碳纤维（A）的多孔电极基材通过包括步骤（1）的方法来生产，所述步骤（1）将短碳纤维（A）和短碳纤维前体（b）通过打浆进行原纤化，以产生前体片材; 以及在1000℃以上的温度下对前体片进行碳化处理的工序（2）。

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