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    • 1. 发明专利
    • Solid polymer fuel cell
    • 固体聚合物燃料电池
    • JP2009238560A
    • 2009-10-15
    • JP2008082728
    • 2008-03-27
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • MIURA FUSAYOSHIASAOKA MASAHIKOHASEGAWA NAOKIASANO TAKASHIFUJITA KEISUKETAKAMI MASAYOSHI
    • H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a solid polymer fuel cell where, irrespective of kinds of electrolyte used, a high anti-oxidization level is maintained under an operation environment of a fuel cell (especially under a dry environment), without increasing toxic substance exhaustion (especially fluoride ion).
      SOLUTION: The solid polymer fuel cell, equipped with a membrane electrode assembly with electrodes joined on both sides of an electrolyte film, includes at least either an electrolyte film or an inner-catalyst-layer electrolyte contained in the electrode with a part of acid radical proton ion exchanged by phosphonium ion. Instead of a part of the acid radical proton ion exchanged by the phosphonium ion, a phosphonium compound without a fluorine content is added to at least either the electrolyte film or the inner-catalyst-layer electrolyte contained in the electrode.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供固体聚合物燃料电池,其中不管使用的电解质的种类如何,在燃料电池的操作环境(特别是在干燥环境下)下都保持高的抗氧化水平,而不增加 有毒物质耗尽(特别是氟离子)。 解决方案:固体聚合物燃料电池配备有在电解质膜的两面连接的电极的膜电极组件,至少包括电极中包含的电解质膜或内催化剂层电解质,其中部分 通过鏻离子交换酸基离子质子离子。 代替由鏻离子交换的一部分酸根离子质子离子,将不含氟含量的鏻化合物加入到电极中包含的至少一种电解质膜或内催化剂层电解质中。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Method for manufacturing composite, composite, and alkaline metal secondary battery including the same
    • 制造复合材料,复合材料和碱金属二次电池的方法
    • JP2012059529A
    • 2012-03-22
    • JP2010201351
    • 2010-09-08
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • MATSUO HIDEHITOOTA SHINGOSAWADA HIROSHIKOBAYASHI TETSUOASAOKA MASAHIKOSEKI JUNTARO
    • H01M10/058H01B1/06H01M10/052H01M10/0562
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To increase energy density and reduce inner resistance furthermore, in an alkaline metal secondary battery.SOLUTION: A method for manufacturing a composite according to the present invention includes: a raw materials forming step of preparing a raw materials forming body including a material of raw materials formed on a surface of a solid electrolyte conducting an alkaline metal, the material of raw materials at least containing raw materials of an active material capable of forming the active material through a reaction with the alkaline metal; and an active material forming step of firing the raw materials forming body and forming the active material on the surface of the solid electrolyte using even the alkaline metal existing on the surface of the solid electrolyte. In the composite according to the present invention, active material particles are formed to be brought into close contact with the surface of the solid electrolyte conducting the alkaline metal, and an alkaline metal compound layer including the alkali metal is not formed between the solid electrolyte and the active material.
    • 要解决的问题:在碱金属二次电池中进一步增加能量密度并降低内阻。 解决方案:根据本发明的复合材料的制造方法包括:原料形成步骤,准备包含在导电碱金属的固体电解质的表面上形成的原料的材料的原料形成体, 原材料至少含有能够通过与碱金属的反应形成活性物质的活性物质的原料; 以及使固体电解质表面上存在的碱金属均匀地烧结原料形成体并在固体电解质的表面形成活性物质的活性物质形成工序。 在根据本发明的复合材料中,形成活性物质颗粒与导电碱金属的固体电解质的表面紧密接触,并且在固体电解质和固体电解质之间不形成包含碱金属的碱金属化合物层 活性物质。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • All-solid lithium secondary battery
    • 全固态二次电池
    • JP2011054438A
    • 2011-03-17
    • JP2009202826
    • 2009-09-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • KOBAYASHI TETSUOAZUMA HIROZUMIOTA SHINGOASAOKA MASAHIKOKAWAMURA JUNICHIKUWATA NAOAKI
    • H01M10/0562C22C12/00C22C28/00H01M4/38H01M10/052H01M10/0585
    • Y02E60/122Y02T10/7011
    • PROBLEM TO BE SOLVED: To provide an all-solid lithium secondary battery which is superior in durability, in the repetition of charging and discharging.
      SOLUTION: The all-solid lithium secondary battery 20 is provided with a conductive layer 22 formed on a substrate 21, and a positive electrode 24, a solid electrolyte layer 26 and a negative electrode 28, formed by being sequentially laminated on the conductive layer 22. A current-collecting lead 23 is connected to the conductive layer 22, and a current-collecting lead 29 is connected to the negative electrode 28. In the all-solid lithium secondary battery 20, the solid electrolyte 26 is formed of lithium phosphate system glass, and the negative electrode 28 is formed of an alloy of indium and antimony. The negative electrode 28 is formed at a composition ratio In/Sb of indium and antimony, in a range of 1.0 or more and 1.2 or less. In addition, the solid electrolyte 26 may be lithium phosphate glass in it entirety, and the lithium phosphate glass may also be formed at least on a surface of the negative electrode 28.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供耐久性优异的充电和放电重复的全固态锂二次电池。 解决方案:全固态锂二次电池20设置有形成在基板21上的导电层22,并且正极24,固体电解质层26和负极28通过依次层压在 集电引线23连接到导电层22,集电引线29连接到负电极28.在全固态锂二次电池20中,固体电解质26由 磷酸锂系统玻璃,负极28由铟和锑的合金形成。 负极28以铟和锑的组成比In / Sb形成在1.0以上且1.2以下的范围内。 此外,固体电解质26可以是整体上的磷酸锂玻璃,并且磷酸锂玻璃也可以至少在负极28的表面上形成。版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • All-solid-state lithium ion secondary battery
    • 全固态锂离子二次电池
    • JP2010272344A
    • 2010-12-02
    • JP2009122991
    • 2009-05-21
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • OTA SHINGOKOBAYASHI TETSUOASAOKA MASAHIKOASAI MITSURU
    • H01M10/0562C01G25/00C01G33/00H01M10/052
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide an all-solid-state lithium ion secondary battery which contains a garnet-type oxide having excellent chemical stability and a wide potential window, and has high conductivity. SOLUTION: The all-solid-state lithium ion secondary battery contains a novel garnet-type oxide serving as a solid electrolyte. The garnet-type oxide is one represented by a composition formula Li 5+X La 3 (Zr X , A 2-X )O 12 (A is one or more kinds of elements selected from a group composed of Sc, Ti, V, Y, Nb, Hf, Ta, Al, Si, Ga and Ge, and X satisfies 1.4≤X 7 La 3 Zr 2 O 12 , where intensity after the standardization of (024) diffraction is 9.2 or higher when the intensity of (220) diffraction in an XRD is standardized to one. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种全固态锂离子二次电池,其包含具有优异的化学稳定性和宽电势窗的石榴石型氧化物,并且具有高导电性。 解决方案:全固态锂离子二次电池含有用作固体电解质的新型石榴石型氧化物。 石榴石型氧化物是由组成式Li <5> X + X 3 (Zr X ,A 2-X (A是选自Sc,Ti,V,Y,Nb,Hf,Ta,Al,Si,Ga和Ge中的一种或多种元素) ,X满足1.4≤X<2),或通过将组成式Li表示的Zr位置的离子半径不同于Zr的元素代替的石榴石型氧化物, (024)衍射的标准化后的强度为9.2或更高时,当在(024)衍射中的(220)衍射强度为 XRD标准化为一。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Fuel cell electrode, fuel cell, and manufacturing methods thereof
    • 燃料电池,燃料电池及其制造方法
    • JP2008181883A
    • 2008-08-07
    • JP2008035520
    • 2008-02-18
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • ASAOKA MASAHIKO
    • H01M4/86C08G61/12C08G73/02C08G73/06C25B3/00H01M4/88H01M4/90H01M4/92H01M8/10
    • C08G73/0266C08G61/124C08G61/126C08G73/0611H01M4/8807H01M4/8828H01M4/885H01M4/8853H01M4/8878H01M4/925
    • PROBLEM TO BE SOLVED: To provide a fuel cell electrode which can improve a catalyst utilization rate by making a catalyst component supported at high density and high dispersion.
      SOLUTION: An aqueous solution containing a chloroplatinic acid and aniline is prepared. For an electrode diffusion layer, carbon paper is soaked in a Teflon(R) dispersion solution and then dried. One side of the electrode diffusion layer is placed in contact with the liquid surface of the solution, and a counter-electrode formed of graphite is provided in the solution. A constant electrical current is applied between them with the electrode diffusion layer side as a positive electrode. As a result, aniline is oxidatively polymerized by an electrochemical means, and a uniform layer of platinum-containing polyaniline is formed on the electrode diffusion layer surface. The platinum in the polyaniline is reduced, and cleaned with pure water and dried to form the electrode. Two of these electrodes with the catalytic layer of the platinum-containing polyaniline located inside are pressed against both sides of Nafion(R) to form a small fuel cell.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种燃料电池电极,其可以通过使催化剂组分以高密度和高分散度负载而提高催化剂利用率。 溶液:制备含有氯铂酸和苯胺的水溶液。 对于电极扩散层,将碳纸浸泡在聚四氟乙烯分散溶液中,然后干燥。 将电极扩散层的一侧与溶液的液面接触,在该溶液中设置由石墨形成的对电极。 在它们之间以电极扩散层侧作为正极​​施加恒定的电流。 结果,苯胺通过电化学方法氧化聚合,并且在电极扩散层表面上形成均匀的含铂聚苯胺层。 聚苯胺中的铂被还原,并用纯水清洗并干燥以形成电极。 位于内部的含铂聚苯胺的催化层的这些电极中的两个被压在Nafion的两侧以形成小的燃料电池。 版权所有(C)2008,JPO&INPIT