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    • 1. 发明专利
    • 燃料電池
    • 燃料电池
    • JP2015035357A
    • 2015-02-19
    • JP2013166140
    • 2013-08-09
    • 本田技研工業株式会社Honda Motor Co Ltd
    • YAMAZAKI KEIKOMORI MASAHIROFURUYAMA MASATAKAUEHARA JUNJIIWAIDA MANABUKAWAHARADA MIHOKO
    • H01M8/02H01M8/10
    • Y02E60/521
    • 【課題】燃料電池において、固体高分子膜からなる電解質膜の良好なプロトン伝導を確保しつつ、該電解質膜が劣化することを回避する。【解決手段】燃料電池となる単位セル10aは、電解質膜・電極構造体18aの外周を囲繞する樹脂製枠体28を有する。例えば、電解質膜・電極構造体18aを構成するカソード電極14の第1ガス拡散層20及び第1電極触媒層22と前記樹脂製枠体28、第1電極触媒層22と電解質膜12、電解質膜12とアノード電極16の第2電極触媒層26とは、接着剤46を介して接合される。この接着剤46は、過酸化水素又はラジカルの少なくともいずれかを分解可能なクエンチャ48を含有する。【選択図】図1
    • 要解决的问题:为了避免电解质膜的劣化,同时确保由固体聚合物膜组成的电解质膜在燃料电池中的优异的质子传导。解决方案:成为燃料电池的单元电池10a具有环绕的树脂框架28 电解质膜/电极结构18a的外周。 例如,构成电解质膜/电极结构18a的阴极电极14的第一气体扩散层20和第一电极催化剂层22以及树脂框架28,第一电极催化剂层22和电解质膜12以及电解质膜 12和阳极电极16的第二电极催化剂层26通过粘合剂46粘合。粘合剂46含有能够分解过氧化氢和自由基中的至少一种的猝灭剂48。
    • 2. 发明专利
    • Control method for fuel cell system
    • 燃料电池系统的控制方法
    • JP2011233538A
    • 2011-11-17
    • JP2011157812
    • 2011-07-19
    • Honda Motor Co Ltd本田技研工業株式会社
    • UEDA KENICHIROYOSHIKAWA SHINJIUEHARA JUNJI
    • H01M8/04H01M8/06H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a control method for a fuel cell system, which can lower an amount of discharged fuel gas.SOLUTION: A fuel cell system 1 comprises a fuel cell 13; a high-pressure hydrogen tank 11; a pressure control valve 15 controlling a hydrogen gas supply amount; a purge valve 16 discharging a gas in a fuel gas supply passage 21 outside; and a control unit 17 controlling a total system. A control method for the fuel cell system 1 includes a process for supplying a hydrogen gas to the fuel cell 13 upon receipt of a start-up request on the fuel cell 13; a process for controlling a hydrogen gas supply amount so that a pressure in the fuel gas supply passage 21 becomes a predetermined value P1 which is lower than a minimum pressure during normal power generation and higher than an atmospheric pressure; and a process for opening the purge valve 16 after the pressure in the fuel gas supply passage 21 becomes the predetermined value P1.
    • 要解决的问题:提供一种能够降低排出的燃料气体量的燃料电池系统的控制方法。 燃料电池系统1包括燃料电池13; 高压氢罐11; 控制氢气供给量的压力控制阀15; 排出燃料气体供给通道21内的气体的排气阀16; 以及控制单元17,控制整个系统。 燃料电池系统1的控制方法包括在燃料电池13接收到启动要求时向燃料电池13供给氢气的工序; 用于控制氢气供给量使得燃料气体供应通道21中的压力成为比正常发电期间低于最小压力并高于大气压的预定值P1的过程; 并且在燃料气体供给通道21中的压力之后打开净化阀16的过程变为预定值P1。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2011228124A
    • 2011-11-10
    • JP2010096987
    • 2010-04-20
    • Honda Motor Co Ltd本田技研工業株式会社
    • OGAMI OSAMUYOSHIDA HIROMICHIMORI MASAHIROIWASAWA CHIKARAUEHARA JUNJICHIBA HIROTO
    • H01M4/86H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell which can suppress deterioration of a solid polymer electrolyte membrane.SOLUTION: In a fuel cell comprising a membrane electrode structure consisting of a solid polymer electrolyte membrane 31; catalyst layers 44 arranged on both sides of the solid polymer electrolyte membrane and in contact with it; and a pair of gas diffusion electrode layers 32 including continuous gas diffusion layers 46 disposed on an opposite side of the solid polymer electrolyte membrane through the catalyst layer. The catalyst layer of at least one of gas diffusion electrode layers is formed recesses 63 on a surface in contact with the solid polymer electrolyte membrane in regions corresponding to downstream sides of reaction gas passages 41 for flow of a reaction gas.
    • 解决的问题:提供能够抑制固体高分子电解质膜的劣化的燃料电池。 解决方案:在包括由固体聚合物电解质膜31组成的膜电极结构的燃料电池中; 催化剂层44布置在固体聚合物电解质膜的两侧并与其接触; 以及一对气体扩散电极层32,其包括通过催化剂层设置在固体聚合物电解质膜的相对侧上的连续气体扩散层46。 气体扩散电极层中的至少一个的催化剂层在与反应气体通道41的下游侧相对应的区域中与固体聚合物电解质膜接触的表面上形成有用于反应气体流动的凹部63。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2011228053A
    • 2011-11-10
    • JP2010095102
    • 2010-04-16
    • Honda Motor Co Ltd本田技研工業株式会社
    • OGAMI OSAMUMORI MASAHIRONAKAGAWA SHIGEOIWASAWA CHIKARACHIBA HIROTOUEHARA JUNJI
    • H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell having a simple structure which can maintain high power generation performance by suppressing the intrusion of adhesive into a power generation area and by ensuring the draining performance of generated water out of the power generation area.SOLUTION: An electrolyte membrane-electrode assembly 12 constituting a fuel cell comprises: a solid polymer electrolyte membrane 46; and a cathode-side electrode 48 and an anode-side electrode 50 sandwiching the solid polymer electrolyte membrane 46. The solid polymer electrolyte membrane 46 is provided with electrode catalyst layers 48b and 50b spaced out from each other and adhesion layers 54a and 54b separated from each other. Partition layers 62a and 62b embedded in gas diffusion layers 48a and 50a are arranged between the electrode catalyst layers 48b and 50b and the adhesion layers 54a and 54b.
    • 解决问题:提供一种具有简单结构的燃料电池,其能够通过抑制粘合剂侵入发电区域并通过确保产生的水从发电区域排出的性能来保持高的发电性能 。 构成燃料电池的电解质膜 - 电极组件12包括:固体聚合物电解质膜46; 以及夹持固体聚合物电解质膜46的阴极侧电极48和阳极侧电极50.固体高分子电解质膜46设置有彼此间隔开的电极催化剂层48b和50b,并且粘合层54a和54b与 彼此。 嵌入在气体扩散层48a和50a中的分隔层62a和62b布置在电极催化剂层48b和50b与粘合层54a和54b之间。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2009295505A
    • 2009-12-17
    • JP2008149694
    • 2008-06-06
    • Honda Motor Co Ltd本田技研工業株式会社
    • UEDA KENICHIROUEHARA JUNJIMATSUMOTO HIROTSUGU
    • H01M8/04H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell system capable of suppressing deterioration of a fuel cell caused by power generation until an anode system is completely replaced with hydrogen.
      SOLUTION: The fuel cell system includes a fuel cell, a fuel gas supply means, a replacement means replacing a fuel gas passage through which fuel gas flows with fuel gas when the fuel cell starts, a concentration identifying means identifying the concentration of fuel gas within the fuel cell, a temperature detecting means detecting the temperature within the fuel cell, and a control means regulating power generation current of the fuel cell when a concentration value of fuel gas is lower than a prescribed value and a detected temperature value within the fuel cell is higher than a prescribed value when power generation starts, and the control means controls so that the lower the identified concentration value than the prescribed value, the smaller the current value of the power generation current, or the higher the detected temperature value than the prescribed value, the smaller the current value of the power generation current.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供能够抑制由发电引起的燃料电池的劣化直到阳极系统完全被氢置换的燃料电池系统。 解决方案:燃料电池系统包括燃料电池,燃料气体供应装置,替代燃料气体通道的更换装置,燃料气体在燃料电池启动时与燃料气体一起流动,浓度识别装置识别浓度 燃料电池内的燃料气体,检测燃料电池内的温度的温度检测装置,以及当燃料气体的浓度值低于规定值时调节燃料电池的发电电流的控制装置, 燃料电池在发电开始时高于规定值,并且控制装置进行控制,使得所识别的浓度值低于规定值,发电电流的当前值越小或检测到的温度值越高 比规定值小,发电电流的电流值越小。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2008226674A
    • 2008-09-25
    • JP2007064086
    • 2007-03-13
    • Honda Motor Co Ltd本田技研工業株式会社
    • MATSUMOTO HIROTSUGUUEDA KENICHIROUEHARA JUNJI
    • H01M8/04H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell system capable of preventing an uncomfortable feeling from being given to a driver when the fuel cell system is mounted on a vehicle or the like by setting current limitation of a fuel cell in a short time to prevent output drop due to the current limitation, and of improving durability of the fuel cell.
      SOLUTION: This fuel cell system is provided with: a lowest cell voltage variation detection means 5 detecting a variation Vmin/t per unit time of the lowest cell voltage Vmin; and a lowest cell voltage drop determination means 5 predicting that the lowest cell voltage Vmin is set below a predetermined value based on the variation Vmin/t of the lowest cell voltage Vmin; and is structured such that a current In supplied from the fuel cell 2 to a load is limited by a power generation current limiting means 7 when it is predicted by the lowest cell voltage drop determination means 5 that the lowest cell voltage Vmin is lowered to a value not higher than the predetermined value.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种燃料电池系统,其能够通过将燃料电池的电流限制设定在短路中来防止在将燃料电池系统安装在车辆等上时向驾驶员提供不舒适的感觉 时间以防止由于电流限制引起的输出降低,并且提高燃料电池的耐久性。 解决方案:该燃料电池系统设置有:最低电池电压变化检测装置5,其检测最低电池电压Vmin的每单位时间的变化Vmin / t; 以及基于最低单元电压Vmin的变化量Vmin / t,将最低单元电压Vmin设定为低于预定值的最低单元电压降判定单元5; 并且被构造成使得当由最低电池电压降判定装置5预测最低电池电压Vmin降低到一个时,由燃料电池2供应到负载的电流In被发电电流限制装置7限制 值不大于预定值。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2007172913A
    • 2007-07-05
    • JP2005366173
    • 2005-12-20
    • Honda Motor Co Ltd本田技研工業株式会社
    • MATSUMOTO HIROTSUGUUEDA KENICHIROUEHARA JUNJI
    • H01M8/04H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To conduct appropriate purge control in a fuel cell system equipped with a purge valve and a drain valve in an anode circulation system.
      SOLUTION: When power generation voltage Vf is lowered than a prescribed voltage, a control device 70 opens a purge valve 30 first in the first exhaust, and thereby, fresh reaction gas is supplied to a fuel cell, and when exhaust gas is exhausted by the purge valve 30, since moisture attached to an anode of the fuel cell 14 is exhausted at the same time, the power generation voltage Vf can be recovered in an early stages.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:在阳极循环系统中在配有清洗阀和排水阀的燃料电池系统中进行适当的清洗控制。 解决方案:当发电电压Vf低于规定电压时,控制装置70首先在第一排气中打开净化阀30,从而向燃料电池供给新鲜的反应气体,当废气为 由于通过排气阀30排气,由于附着在燃料电池14的阳极上的水分同时被排出,所以可以在早期阶段回收发电电压Vf。 版权所有(C)2007,JPO&INPIT