公开(公告)号：US20070154743A1

公开(公告)日：2007-07-05

申请号：US11323678

申请日：2005-12-30

申请人： Ruiming Zhang ,  Zakia Khan ,  Brian Adams ,  Wai Law ,  Alison Hack ,  Yinghul Pan

发明人： Ruiming Zhang ,  Zakia Khan ,  Brian Adams ,  Wai Law ,  Alison Hack ,  Yinghul Pan

IPC分类号： H01M8/04

CPC分类号： H01M8/04238 ,  H01M8/04223 ,  H01M8/0668 ,  H01M8/1009 ,  H01M2008/1095

摘要： A method and system for counteracting performance deterioration in an electrochemical fuel cell includes passive re-activation, active re-activation, or both. Active re-activation includes intermittently applying positive voltage electrical pulse across the anode. The positive voltage applied is less than that required for decomposition of water. Passive re-activation includes interposing a resistive load between the anode and the cathode while fuel stream flow to the anode is interrupted. The resistive load increases voltage potential at the anode to less than that required for oxidation of carbon.

摘要翻译： 用于抵消电化学燃料电池中的性能劣化的方法和系统包括被动重新激活，主动再激活或两者。 主动重新激活包括间断地在阳极上施加正电压电脉冲。 施加的正电压小于水分解所需的正电压。 被动重新激活包括在阳极和阴极之间插入电阻负载，同时燃料流流向阳极被中断。 电阻负载使阳极处的电压增加到小于碳氧化所需的电压。