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    • 1. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2010192420A
    • 2010-09-02
    • JP2009153778
    • 2009-06-29
    • Toshiba Corp株式会社東芝
    • UDATSU MITSURUSUGA HIROSHISATO ASAKOFURUICHI MITSURUMONMA JUN
    • H01M4/86H01M8/10
    • H01M4/8673H01M4/8605H01M8/1011Y02E60/523
    • PROBLEM TO BE SOLVED: To enhance an output of a fuel cell using a high-concentration fuel and improve durability and long-term stability. SOLUTION: The fuel cell is provided with an anode catalyst layer containing an anode catalyst and a proton-conductive electrolyte, a cathode catalyst layer containing a cathode catalyst and a proton-conductive electrolyte, a proton-conductive electrolyte membrane pinched between the anode catalyst layer and the cathode catalyst layer, and a mechanism for supplying fuel to the anode catalyst layer. A void ratio of the anode catalyst layer measured by a mercury intrusion porosimeter is 0-30%. It is desirable for such a fuel cell to have a metal specific surface area ratio (measured by a CO pulse adsorption method) before and after containing the anode catalyst by 0-20%. Furthermore, the anode catalyst layer contains preferably a reinforcing material. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提高使用高浓度燃料的燃料电池的输出,提高耐久性和长期稳定性。 解决方案:燃料电池设置有包含阳极催化剂和质子传导性电解质的阳极催化剂层,含有阴极催化剂和质子传导性电解质的阴极催化剂层,夹在第 阳极催化剂层和阴极催化剂层,以及用于向阳极催化剂层供应燃料的机构。 由水银侵入孔隙率计测定的阳极催化剂层的空隙率为0〜30%。 这样的燃料电池在含有阳极催化剂前后的金属比表面积比(通过CO脉冲吸附法测定)优选为0〜20%是理想的。 此外,阳极催化剂层优选含有增强材料。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Fuel battery
    • 燃油电池
    • JP2009295542A
    • 2009-12-17
    • JP2008150628
    • 2008-06-09
    • Toshiba CorpToshiba Electronic Engineering Corp東芝電子エンジニアリング株式会社株式会社東芝
    • YAJIMA TORUFURUICHI MITSURUOMICHI GENTASATO ASAKOMONMA JUN
    • H01M4/86H01M4/88H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel battery capable of increasing an amount of water supplied to an anode (a fuel electrode) and suppressing the deterioration of the diffusion of an oxidizing gas on a cathode catalyst layer and obtaining a high output. SOLUTION: The fuel battery 1 comprises an anode (a fuel electrode) 13, a cathode (an air electrode) 16, a fuel battery cell 10 having an electrolyte membrane 17 sandwiched by the anode and the cathode, a moisturizing layer 50 arranged by being laminated on the cathode (air electrode) 16, and a surface cover 60 arranged by being laminated on the moisturizing layer 50 and having an air inlet 61. The cathode catalyst layer 14 of the cathode (air electrode) 16 has a first catalyst layer 14a located so as to correspond to the air inlet 61 of the surface cover 60, and a second catalyst layer 14b forming a section excluding the first catalyst layer 14a. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够增加供给阳极(燃料电极)的水量并且抑制氧化气体在阴极催化剂层上的扩散劣化并获得高输出的燃料电池 。 解决方案:燃料电池1包括阳极(燃料电极)13,阴极(空气电极)16,具有由阳极和阴极夹持的电解质膜17的燃料电池单元10,保湿层50 通过层叠在阴极(空气电极)16上而布置的表面盖60以及层压在保湿层50上并具有空气入口61的表面盖60.阴极(空气电极)16的阴极催化剂层14具有第一 位于与表面盖60的空气入口61对应的催化剂层14a以及形成不包括第一催化剂层14a的部分的第二催化剂层14b。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Nonaqueous electrolyte secondary battery
    • 非电解电解质二次电池
    • JP2005259381A
    • 2005-09-22
    • JP2004066114
    • 2004-03-09
    • Toshiba Corp株式会社東芝
    • SATO ASAKOSEKINO MASAHIROYAJIMA TORUMATSUMOTO KOICHI
    • H01M4/587H01M10/05H01M10/0525H01M10/0567H01M10/0569H01M10/40H01M4/02H01M4/58
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery which has small swelling in a charging storage and which has a long charge and discharge life cycle.
      SOLUTION: This nonaqueous electrolyte secondary battery is provided with a positive electrode 3 containing positive electrode active materials, a negative electrode 4, and a nonaqueous electrolyte containing vinylene carbonate (VC) and 2, 4-difluoroanisole (DFA), and the content of VC in the nonaqueous electrolyte at the initiation of usage is 0.6 wt% or less, and the amount of DFA in the positive electrode active material per surface area of 1 m
      2 is in the range of 1-50 mg. The negative electrode 4 contains a graphite material in which face intervals d
      002 of (002) faces by powder X-ray diffraction measurements are 0.336 nm or less and a diffraction angle 2θ has a peak in 42.8-44.0° and 45.5-46.6° in the diffraction measurements.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种在充电存储器中具有小的膨胀并且具有长的充放电寿命周期的非水电解质二次电池。 解决方案:该非水电解质二次电池设置有含有正极活性物质的正极3,负极4和含有碳酸亚乙烯酯(VC)和2,4-二氟苯甲醚(DFA)的非水电解质, 开始使用时,非水电解液中的VC含量为0.6重量%以下,每1面积SP 2的表面积的正极活性物质中的DFA的含量为1 -50毫克。 负极4含有通过粉末X射线衍射测定的(002)面的面间隔d 002 的石墨材料为0.336nm以下,衍射角2θ为42.8〜44.0的峰值 °和45.5-46.6°。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Nonaqueous electrolyte secondary battery
    • 非电解电解质二次电池
    • JP2004095538A
    • 2004-03-25
    • JP2003204904
    • 2003-07-31
    • Toshiba Corp株式会社東芝
    • OSAKI TAKAHISATAKAMI NORIOHASEBE HIROYUKIKANDA MOTOISATO ASAKOKUBOKI TAKASHIYAMADA SHUJI
    • H01M2/16H01M4/13H01M4/131H01M4/133H01M4/485H01M4/50H01M4/525H01M4/587H01M4/62H01M10/05H01M10/052H01M10/0566H01M10/058H01M10/40H01M4/02H01M4/58
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery, in which nonaqueous electrolyte is impregnated in a group of electrodes in a solution state, for reducing a thickness, and improving capacity and large current characteristics and cycle performance.
      SOLUTION: The nonaqueous electrolyte secondary battery is provided with a positive electrode containing a positive active substance, a conductive material, and a first binder, a negative electrode containing a negative active substance, a carbonacenous material for storing or discharging a lithium ion, and a second binder, a separator arranged between the positive electrode and negative electrode, and the nonaqueous electrolyte. A total concentration gradient of the first and second binders is minimized in a center part of the separator and is gradually increased as close to an interface of the positive and negative electrodes, and has a continuous curve of a binder concentration which becomes maximum in a center part of the positive and negative electrodes.
      COPYRIGHT: (C)2004,JPO
    • 解决方案:提供一种非水电解质二次电池,其中非水电解质浸渍在溶液状态的一组电极中,用于减小厚度,并且提高容量和大的电流特性和循环性能。 解决方案:非水电解质二次电池设置有包含正极活性物质,导电材料和第一粘合剂的正极,含有负极活性物质的负极,用于储存或放出锂离子的碳酸盐材料 ,第二粘合剂,配置在正极和负极之间的隔膜和非水电解质。 第一和第二粘合剂的总浓度梯度在分离器的中心部分被最小化,并且随着正极和负极的界面的接近而逐渐增加,并且具有在中心变得最大的粘合剂浓度的连续曲线 正极和负极的一部分。 版权所有(C)2004,JPO