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    • 3. 发明授权
    • Redox fuel cells
    • 氧化还原燃料电池
    • US08647781B2
    • 2014-02-11
    • US12864496
    • 2009-01-23
    • Kathryn KnuckeyDavid RochesterAndrew Martin Creeth
    • Kathryn KnuckeyDavid RochesterAndrew Martin Creeth
    • H01M8/10
    • H01M8/188H01M4/9008H01M2008/1095H01M2300/0082Y02E60/528
    • This invention provides a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a non-volatile catholyte solution flowing in fluid communication with the cathode, the catholyte solution comprising a redox mediator which is at least partially reduced at the cathode in operation of the cell, and at least partially regenerated by, optionally indirect, reaction with the oxidant after such reduction at the cathode, and a transition metal complex of a multidentate macrocyclic N-donor ligand as a redox catalyst catalysing the regeneration of the mediator.
    • 本发明提供了一种氧化还原燃料电池,其包括由离子选择性聚合物电解质膜分离的阳极和阴极; 用于向所述电池的阳极区域供应燃料的装置; 用于向所述电池的阴极区域供应氧化剂的装置; 用于在阳极和阴极之间提供电路的装置; 与阴极流体连通的非挥发性阴极电解液,所​​述阴极电解液包含氧化还原介体,所述氧化还原介体在所述电池的操作中在所述阴极处至少部分还原,并且至少部分地通过与所述氧化剂的间接反应部分地再生 在阴极这样的还原之后,以及多齿大环N-供体配体的过渡金属络合物作为催化介体再生的氧化还原催化剂。
    • 6. 发明授权
    • Fuel cells
    • 燃料电池
    • US09209476B2
    • 2015-12-08
    • US13388981
    • 2010-08-05
    • Kathryn KnuckeyDavid RochesterAndrew Martin Creeth
    • Kathryn KnuckeyDavid RochesterAndrew Martin Creeth
    • H01M8/10H01M8/08H01M8/18
    • H01M8/188Y02E60/528
    • The invention concerns the use as a redox a catalyst and/or mediator in a fuel cell catholyte solution of the compound of Formula (I) wherein: X is selected from hydrogen and from various functional groups; R1-8 are independently selected from hydrogen and various functional groups; wherein R1 and X and/or R5 and X may together form an optionally substituted ring structure; wherein R1 and R2 and/or R2 and R3 and/or R3 and R4 and/or R4 and R8 and/or R8 and R7 and/or R7 and R6 and/or R6 and R5 may together form an optionally substituted ring structure; wherein (L) indicates the optional presence of a linking bond or group between the two neighboring aromatic rings of the structure, and when present may form an optionally substituted ring structure with one or both of R4 and R8; and wherein at least one substituent group of the structure is a charge-modifying substituent.
    • 本发明涉及在式(I)化合物的燃料电池阴极液溶液中作为氧化还原催化剂和/或介体的用途,其中:X选自氢和各种官能团; R1-8独立地选自氢和各种官能团; 其中R1和X和/或R5和X可以一起形成任选取代的环结构; 其中R1和R2和/或R2和R3和/或R3和R4和/或R4和R8和/或R8和R7和/或R7和R6和/或R6和R5可以一起形成任选取代的环结构; 其中(L)表示在结构的两个相邻芳环之间任选存在连接键或基团,并且当存在时可以形成具有一个或两个R 4和R 8的任选取代的环结构; 并且其中所述结构的至少一个取代基是电荷改性取代基。
    • 7. 发明授权
    • Fuel cells with improved resistance to fuel crossover
    • 燃料电池具有改进的耐燃料交叉阻力
    • US08753783B2
    • 2014-06-17
    • US12298355
    • 2007-04-24
    • Andrew Martin CreethJian-Guo Liu
    • Andrew Martin CreethJian-Guo Liu
    • H01M8/18H01M8/20
    • H01M8/188H01M8/10H01M8/1009H01M8/1011H01M8/1013H01M8/18H01M8/20Y02E60/522Y02E60/523Y02E60/528
    • The invention provides a fuel cell comprising an anode in an anode region of the cell and a cathode in a cathode region of the cell, the anode being separated from the cathode by an ion selective polymer electrolyte membrane, the anode region of the cell being supplied in use thereof with an alcoholic fuel, the cathode region of the cell being supplied in use thereof with an oxidant, the cell being provided with means for generating an electrical circuit between the anode and the cathode and with a non-volatile redox couple in solution in flowing fluid communication with the cathode in the cathode region of the cell, the redox couple being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode, the redox couple and/or the concentration of the redox couple in the catholyte solution being selected so that the current density generated by the cell in operation is substantially unaffected by the crossover of the alcoholic fuel from the anode region of the cell to the cathode region of the cell across the polymer electrolyte membrane.
    • 本发明提供了一种燃料电池,其特征在于,在该电解池的阳极区域内具有阳极,在该阴极区域内具有阴极,阳极通过离子选择性聚合物电解质膜与阴极分离,电池的阳极区域 在使用中与醇燃料一起使用时,电池的阴极区域与氧化剂一起供应,该电池提供有用于在阳极和阴极之间产生电路以及在溶液中产生非挥发性氧化还原对的装置 在电池的阴极区域与阴极流体连通的情况下,氧化还原对在电池工作时在阴极处至少部分地还原,并且在阴极这样的还原之后至少部分地通过与氧化剂的反应重新产生 选择氧化还原对和/或阴极电解液中的氧化还原对的浓度,使得电池在运行中产生的电流密度基本上 不受酒精燃料从电池的阳极区域跨过聚合物电解质膜的电池的阴极区域的交叉的影响。
    • 10. 发明申请
    • Fuel Cells
    • 燃料电池
    • US20080274385A1
    • 2008-11-06
    • US11911945
    • 2006-03-10
    • Andrew Martin Creeth
    • Andrew Martin Creeth
    • H01M8/20H01M8/10
    • H01M8/1053H01M4/8652H01M4/96H01M8/1009H01M8/188H01M8/20Y02E60/528
    • This invention concerns a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte-membrane, preferably a bi-membrane, the cathode comprising a cathodic material and a proton-conducting polymeric material; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a non-volatile redox couple in solution in flowing fluid communication with the cathode, the redox couple being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode.
    • 本发明涉及一种氧化还原燃料电池,其包括由离子选择性聚合物电解质膜隔离的阳极和阴极,优选双膜,所述阴极包括阴极材料和质子传导聚合材料; 用于向所述电池的阳极区域供应燃料的装置; 用于向所述电池的阴极区域供应氧化剂的装置; 用于在阳极和阴极之间提供电路的装置; 在与阴极流动的流体连通的溶液中的非挥发性氧化还原对,氧化还原对在电解槽的操作中在阴极处至少部分还原,并且至少部分地通过与氧化剂反应而在氧化还原之后 阴极。