会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 11. 发明专利
    • Method for manufacturing negative electrode for lithium secondary battery
    • 锂二次电池制造负极的方法
    • JP2011238354A
    • 2011-11-24
    • JP2010106102
    • 2010-05-06
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • TAKAGI SHINOBUTAKO YUICHIRO
    • H01M4/1395H01M4/134H01M4/38H01M4/62H01M4/64
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a negative electrode for a lithium secondary battery having an excellent initial discharge capacity and excellent cycle characteristics.SOLUTION: A solution contains active material particles having an average primary particle size less than 1 μm and conductive particles having an average primary particle size less than 1 μm in the solvent in which a binder is dissolved. A poor solvent for the binder is added into the solution and the solution containing the poor solvent undergoes a dispersion treatment by emulsification. A pair of positive and negative electrodes 22, at least one of which works as a conductive base material, are disposed in the solution that underwent the step of the dispersion treatment by emulsification, a potential difference is applied between the pair of positive and negative electrodes, and a composite of the active material particles, the conductive particles and the binder precipitated by the poor solvent is deposited on the surface of the conductive base material by electrophoresis. The composite deposited on the surface of the conductive base material undergoes a heat treatment.
    • 要解决的问题:提供具有优异的初始放电容量和优异的循环特性的锂二次电池用负极。 解决方案:溶液中含有平均一次粒径小于1μm的活性物质颗粒和平均一次粒径小于1μm的导电颗粒在溶解有粘合剂的溶剂中。 向溶液中加入粘合剂不良溶剂,含有不良溶剂的溶液通过乳化进行分散处理。 在通过乳化进行分散处理的步骤的溶液中设置一对正极和负极22,其中至少一个用作导电基材,在一对正极和负极之间施加电位差 并且通过电泳将活性物质颗粒,导电性颗粒和由不良溶剂沉淀的粘合剂的复合物沉积在导电性基材的表面上。 沉积在导电性基材表面上的复合体进行热处理。 版权所有(C)2012,JPO&INPIT
    • 13. 发明专利
    • Anti-corrosion member, separator for fuel cell, and fuel cell
    • 抗腐蚀成员,燃料电池分离器和燃料电池
    • JP2007095318A
    • 2007-04-12
    • JP2005279071
    • 2005-09-27
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • FUTO MASAYOSHITAKAGI SHINOBUHISADA TAKEO
    • H01M8/02C22C5/02C22C30/00C22C38/00C22C38/54
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide an anti-corrosion member which has an anti-corrosion property even if a usage of precious metal is smaller than in a conventional one, and provide a separator for a fuel cell as well as a fuel cell using the above anti-corrosion member. SOLUTION: The anti-corrosion member is composed of a passivating metal or an alloy 10 and precious metal 12 electrically connected with a conductive member 14 in-between. A ratio of a surface area of the precious metal 12 to a total area of the metal or the alloy 10 and the precious metal 12 is desirable to be 5% or more. A separator for a fuel cell is composed of the above anti-corrosion member and a fuel cell is composed of the above separator for a fuel cell. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:即使贵金属的使用量小于传统的方法,也提供具有防腐蚀性能的防腐蚀部件,并且提供燃料电池用隔板以及燃料 电池使用上述防腐蚀构件。 解决方案:防腐蚀构件由钝化金属或合金10以及与中间的导电构件14电连接的贵金属12组成。 贵金属12的表面积与金属或合金10以及贵金属12的总面积的比率优选为5%以上。 燃料电池用隔板由上述防腐蚀构件构成,燃料电池由上述燃料电池用隔板构成。 版权所有(C)2007,JPO&INPIT
    • 14. 发明专利
    • Metallic separator for fuel cell and its manufacturing method, metallic material for fuel cell and fuel cell
    • 燃料电池用金属分离器及其制造方法,用于燃料电池和燃料电池的金属材料
    • JP2005340163A
    • 2005-12-08
    • JP2004380473
    • 2004-12-28
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • FUTO MASAYOSHITAKAGI SHINOBUSHIMIZU TETSUYAHISADA TAKEO
    • C22C38/00C22C38/44C22C38/58H01M8/02H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a metallic separator for a fuel cell in which corrosion resistance to sulfuric acid atmosphere is sufficiently secured, and which is sufficiently superior in corrosion resistance for the pitting even if a pin hole or the like occurs at the metal coated part. SOLUTION: The fuel cell separator 10 has a main part 13 consisting of a main part alloy which contains Ni of 9 wt% or more and 30 wt% or less, Cr of 15 wt% or more and 30 wt% or less, Mo of 1.5 wt% or more and 6 wt% or less, N of 0.04 wt% or more and 0.8 wt% or less, and Fe so that the total content adding Fe may be 90 wt% or more and 100 wt% or less, and furthermore, has a composition in which by making the content of Cr as WCr (wt%), mass content of Mo as WMo (wt%), and the content of N as WN (wt%), the value of pitting index PI as expressed by PI=WCr+3.3 WMo+16 WN, 30 or more and 44 or less, and a metallic coated part 12 which covers the surface of the main part 13 and is composed of a metal more precious than the main part alloy. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供充分确保对硫酸气氛的耐腐蚀性的燃料电池用金属隔板,即使在孔等发生时,对于点蚀的耐腐蚀性也足够好 金属涂层部分。 解决方案:燃料电池隔板10具有主要部分13,其主要部分合金含有9wt%以上且30wt%以下的Ni,15wt%以上且30wt%以下的Cr ,Mo为1.5重量%以上且6重量%以下,N为0.04重量%以上且0.8重量%以下,Fe的总含量为90重量%以上且100重量%以下,Fe 此外,通过使Cr的含量为WCr(重量%),Mo的质量含量为WMo(重量%),N的含量为WN(重量%),点蚀值 PI = WCr + 3.3MWo + 16WN,30以上且44以下的指标PI,以及覆盖主体部13的表面的金属涂布部12,由比主体部分更贵的金属构成 合金。 版权所有(C)2006,JPO&NCIPI
    • 15. 发明专利
    • Metal separator for fuel cell, its manufacturing method, metallic material for fuel cell and fuel cell
    • 燃料电池的金属分离器及其制造方法,用于燃料电池和燃料电池的金属材料
    • JP2005317479A
    • 2005-11-10
    • JP2004136812
    • 2004-04-30
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • FUTO MASAYOSHITAKAGI SHINOBUSHIMIZU TETSUYA
    • C22C19/05H01M8/02H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a metal separator for a fuel cell having sufficient corrosion resistance to an atmosphere of sulfuric acid and also to pitting corrosion in spite of production of pin holes or the like inevitable for a metal cover portion. SOLUTION: The separator 10 for a fuel cell is formed of a metallic material plate member, wherein one surface of the plate member is layered on an electrode layer covering a solid polymer electrolyte membrane of the fuel cell to form a gas passage between the electrode layer and the plate member. The metallic material plate member contains Ni of not less than 30 mass% and not more than 83 mass%, Cr of not less than 15 mass% and not more than 30 mass% and Mo of not less than 2 mass% and 10 mass% so that the total percentage content of Ni, Cr and Mo is not less than 47 mass%. Further, the metallic material plate member includes a main part portion 13 comprising a main part alloy containing composition in which the percentage content of Cr is WCr (mass%), the mass percentage content of Mo is WMo (mass%) and a value of the pitting index PI expressed by PI=WCr+3.3WMo is adjusted to be not less than 30 and not more than 63, and the metal cover portion 12 which covers the surface of the main part portion 13, comprises a metal more noble than the main part alloy and has the inevitable pin hole. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种具有对硫酸气氛具有足够耐腐蚀性的燃料电池用金属隔板,并且尽管制造金属罩部分所不可避免的针孔等,也可能产生点腐蚀。 解决方案:用于燃料电池的隔板10由金属材料板构件形成,其中板构件的一个表面层叠在覆盖燃料电池的固体聚合物电解质膜的电极层上,以形成气体通道, 电极层和板构件。 金属材料板构件包含不低于30质量%且不大于83质量%的Cr,不小于15质量%且不大于30质量%的Cr,不小于2质量%的Mo和10质量% 使得Ni,Cr和Mo的总含量不低于47质量%。 此外,金属材料板构件包括主要部分13,其包括其中Cr的含量百分含量为WCr(质量%),Mo的质量百分比含量为WMo(质量%)的主要部分合金含量组合物, 由PI = WCr + 3.3WMo表示的点蚀指数PI被调整为不小于30且不大于63,并且覆盖主要部分13的表面的金属覆盖部分12包括比 主要部分合金,具有不可避免的针孔。 版权所有(C)2006,JPO&NCIPI
    • 16. 发明专利
    • Metal plate for fuel cell, separator for fuel cell using same, and polymer electrolyte fuel cell using the separator for fuel cell
    • 用于燃料电池的金属板,使用其的燃料电池的分离器和使用分离器的燃料电池的聚合物电解质燃料电池
    • JP2005293877A
    • 2005-10-20
    • JP2004103088
    • 2004-03-31
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • TAKAGI SHINOBUHISADA TAKEO
    • C25D7/00H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a metal plate for fuel cells that can reduce noble metals for covering a metal substrate and contact electric resistance and is used for a inexpensively supplied separator of the fuel cells, or the like, and to provide the separator for fuel cells using the metal plate for fuel cells. SOLUTION: The metal plate 1 for fuel cells comprises the metal substrate 2 and a plurality of noble metal covering sections 5, 6 that are formed on a front 3 and a rear 4 of the metal substrate 2 and is made of metal (Au) that is nobler than the metal substrate 2. In this case, the plurality of noble metal covering section 5, 6 are alienated each other on the front 3 and rear 4 of the metal substrate 2 and are positioned at a nearly even interval. The metal plate 1 for fuel cells is used for the separator for fuel cells, or the like. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于燃料电池的金属板,其可以减少用于覆盖金属基板的金属和接触电阻,并且用于廉价供应的燃料电池隔板等,并且提供 用于使用燃料电池用金属板的燃料电池用隔板。 解决方案:用于燃料电池的金属板1包括金属基板2和形成在金属基板2的前3和后4上并由金属制成的多个贵金属覆盖部分5,6, Au)。在这种情况下,多个贵金属覆盖部5,6在金属基板2的前3和后4上彼此疏离,并且以几乎均匀的间隔定位。 燃料电池用金属板1用于燃料电池用隔板等。 版权所有(C)2006,JPO&NCIPI
    • 18. 发明专利
    • Gas diffusion layer for fuel cell, its manufacturing method, and polymer electrolyte fuel cell using it
    • 燃料电池气体扩散层及其制造方法和聚合物电解质燃料电池
    • JP2008103142A
    • 2008-05-01
    • JP2006283513
    • 2006-10-18
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • TAKAGI SHINOBU
    • H01M8/02H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a gas diffusion layer for a fuel cell which diffuses a fuel gas and an oxidizer gas uniformly to contact to a solid polymer membrane and is superior in conductivity and anticorrosion, and to provide its manufacturing method, and a polymer electrolyte fuel cell using the gas diffusion layer. SOLUTION: The gas diffusion layer 1 for the fuel cell comprises a metal fiber sheet S which is formed by weaving in plain weave metal thin wires 2, 3 consisting of, for example, stainless steel (SUS 316L) and having a wire diameter of 2-15 μm and has a large number of apertures 4, and an AU plating layer (noble metal thin film) 6 coated on the surface of every metal thin wires 2, 3. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种将燃料气体和氧化剂气体均匀地扩散以与固体聚合物膜接触并且导电性和耐腐蚀性优异的燃料电池用气体扩散层,为了提供其制造方法, 以及使用该气体扩散层的固体高分子型燃料电池。 解决方案:用于燃料电池的气体扩散层1包括金属纤维片S,该金属纤维片S通过编织在例如不锈钢(SUS 316L)并具有线的平纹编织金属细线2,3中而形成 直径为2-15μm,并且具有大量的孔4,以及涂覆在每个金属细线2,3表面上的AU镀层(贵金属薄膜)6。(C)2008, JPO&INPIT
    • 19. 发明专利
    • Metallic separator for fuel cell and fuel cell using this
    • 用于燃料电池和燃料电池的金属分离器
    • JP2008066282A
    • 2008-03-21
    • JP2007142070
    • 2007-05-29
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • TAKAGI SHINOBUHISADA TAKEOFUTO MASAYOSHI
    • H01M8/02
    • H01M8/0206H01M8/021H01M8/0228H01M8/0254H01M8/0258H01M8/0265
    • PROBLEM TO BE SOLVED: To provide a metallic separator for a fuel cell having high corrosion resistance, low contact resistance, and a low cost. SOLUTION: The metallic separator for the fuel cell is equipped with a plate-like metallic substrate made of metal being passivated, a partially covered noble metal layer on both surfaces of the metallic substrate, and a recessed and projecting part formed in at least a region facing an electrode of an electrolyte electrode assembly, the covering area ratio of the noble metal layer on the contact surface with the electrode is 20-100%, and the covering area ratio of the noble metal layer on the non-contact surface with the electrode is 5% or more and less than 100%. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有高耐腐蚀性,低接触电阻和低成本的用于燃料电池的金属隔板。 解决方案:用于燃料电池的金属隔板装有由金属钝化的板状金属基板,金属基板的两个表面上的部分覆盖的贵金属层,以及形成在该金属基板上的凹凸部 至少面对电解质电极组件的电极的区域,贵金属层与电极的接触表面的覆盖面积比为20-100%,非接触表面上的贵金属层的覆盖面积比 电极为5%以上且小于100%。 版权所有(C)2008,JPO&INPIT
    • 20. 发明专利
    • Fuel cell stack
    • 燃料电池堆
    • JP2005268135A
    • 2005-09-29
    • JP2004081386
    • 2004-03-19
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • HISADA TAKEOTAKAGI SHINOBUSAKATA MASAFUMIFUSE NAOKI
    • H01M8/24H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell stack, in which lowering of the height of the stack can be realized more effectively by using separators composed of metal plate materials, while taking into account the formation of a cooling space, and efficiency of gas circulation between manifolds, penetrating through the stack and the gas reaction space formed between the separators can be enhanced. SOLUTION: In the fuel cell stack, a second partition member 35 on the side of space CS for cooling is arranged at farther in-plane out side of a first partition member 37 on the side of the gas reaction space GRS, and an auxiliary gas circulating hole 34 is formed in the region that is positioned between the both partition members. The circumferential part of the main gas circulation hole 33 of the space CS for cooling, that is a manifold branching part 61s, is utilized as a gas circulating passage in the lateral direction, then via this and the auxiliary gas circulating hole 34, formed in the direction of the thickness direction of the separators 10A, 10b, the manifolds 61A, 61B and the gas reaction space GRS are made to be communicated. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种燃料电池堆,其中在考虑到冷却空间的形成的同时,通过使用由金属板材料构成的隔板,可以更有效地实现堆叠高度的降低,以及 可以提高歧管之间的气体循环的效率,贯穿堆叠和分离器之间形成的气体反应空间。 解决方案:在燃料电池堆中,用于冷却的空间CS侧的第二分隔构件35布置在气体反应空间GRS侧的第一分隔构件37的更远的平面外侧,并且 在位于两个分隔构件之间的区域中形成辅助气体循环孔34。 用于冷却的空间CS(即歧管分支部61s)的主气体循环孔33的周向部分被用作沿横向的气体循环通道,然后通过该气体循环孔34和辅助气体循环孔34形成 使分离器10A,10b,歧管61A,61B和气体反应空间GRS的厚度方向的方向连通。 版权所有(C)2005,JPO&NCIPI