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
    • 31. 发明授权
    • Nanocomposite for fuel cell, method of preparing the nanocomposite, and fuel cell including the nanocomposite
    • 用于燃料电池的纳米复合材料,制备纳米复合材料的方法和包括纳米复合材料的燃料电池
    • US08084167B2
    • 2011-12-27
    • US11985531
    • 2007-11-14
    • Jeong-hee LeeJae-young ChoiChan-ho PakEun-ju RaYoung-hee LeeKay-hyeok An
    • Jeong-hee LeeJae-young ChoiChan-ho PakEun-ju RaYoung-hee LeeKay-hyeok An
    • H01M4/02
    • H01M4/92B82Y30/00D01F9/20D01F11/04H01M4/90H01M4/9083H01M4/926H01M2008/1095Y10S977/948
    • Provided is a nanocomposite for the catalyst layer of a fuel cell electrode including: a carbon nanofiber; and metal catalyst particles uniformly applied to the surface of the carbon nanofiber, wherein the carbon nanofiber has a surface oxygen content of at least 0.03 calculated by the formula: Oxygen content=[atomic percentage of oxygen/atomic percentage of carbon] using atomic percentages of oxygen and carbon, respectively calculated from an area of an oxygen peak having a binding energy of 524 to 540 eV, an area of a nitrogen peak having a binding energy of 392 to 404 eV, and an area of a carbon peak having a binding energy of 282 to 290 eV in X-ray photoelectron spectroscopy. The nanocomposite according to the present invention has high surface oxygen content and has metal catalyst nano particles densely and uniformly distributed on the outer wall of the carbon fibers, thereby having high electrochemical efficiency. Thus, efficiency of fuel cells can be improved using the nanocomposite.
    • 提供一种用于燃料电池电极的催化剂层的纳米复合材料,其包括:碳纳米纤维; 和金属催化剂颗粒均匀地施加到碳纳米纤维的表面上,其中碳纳米纤维的表面氧含量至少为0.03,由下式计算:氧含量= [原子百分比的氧/原子百分比的碳]使用原子百分比 氧和碳分别由具有524至540eV的结合能的氧峰的面积,具有392至404eV的结合能的氮峰的面积和具有结合能的碳峰的面积计算 在X射线光电子能谱中为282〜290eV。 根据本发明的纳米复合材料具有高的表面氧含量,并且在碳纤维的外壁上密集均匀地分布有金属催化剂纳米颗粒,从而具有高的电化学效率。 因此,可以使用纳米复合材料来提高燃料电池的效率。
    • 32. 发明授权
    • Anode for fuel cell, manufacturing method thereof, and fuel cell including the same
    • 燃料电池用阳极及其制造方法以及包含该阳极的燃料电池
    • US07910259B2
    • 2011-03-22
    • US11445340
    • 2006-06-02
    • Seol-ah LeeSeung-jae LeeChan-ho PakJi-rae KimDae-jong Yoo
    • Seol-ah LeeSeung-jae LeeChan-ho PakJi-rae KimDae-jong Yoo
    • H01M8/14
    • H01M4/8807H01M4/8605H01M4/8821H01M4/8828H01M4/92H01M4/928H01M8/0234H01M8/0245H01M2004/8684H01M2008/1095Y02P70/56
    • A method of manufacturing an anode for a fuel cell including: performing an acid treatment for a carbon-based compound; washing the resultant obtained from the acid treatment with water and then performing a freeze-drying (lyophilization) process; forming a microporous diffusion layer by dispersing the lyophilized resultant in a solvent, coating the dispersed resultant on a porous carbon support, and drying; and forming a catalyst layer on top of the microporous diffusion layer, an anode for a fuel cell obtained according to the method herein, and a fuel cell using the same. An anode having improved efficiency on liquid fuel diffusion can be obtained when using the fuel diffusion layer including the microporous diffusion layer formed of the carbon-based compounds obtained after an acid treatment and a freeze-drying process according to the present invention. A fuel cell having improved performance can be manufactured by using such an anode.
    • 一种制造燃料电池用阳极的方法,包括:对碳系化合物进行酸处理; 用水洗涤从酸处理得到的结果,然后进行冷冻干燥(冷冻干燥)处理; 通过将冻干的产物分散在溶剂中形成微孔扩散层,将分散的产物涂布在多孔碳载体上并干燥; 以及在微多孔扩散层的顶部形成催化剂层,根据本文方法得到的燃料电池用阳极和使用该催化剂的燃料电池。 当使用包括由根据本发明的酸处理和冷冻干燥处理之后获得的碳基化合物形成的微孔扩散层的燃料扩散层时,可以获得提高液体燃料扩散效率的阳极。 可以通过使用这种阳极来制造具有改进性能的燃料电池。