公开(公告)号：US3994748A

公开(公告)日：1976-11-30

申请号：US574127

申请日：1975-05-02

申请人： Harold R. Kunz ,  Carl A. Reiser

发明人： Harold R. Kunz ,  Carl A. Reiser

IPC分类号： H01M8/02 ,  H01M8/00 ,  H01M8/24 ,  H01M4/00

CPC分类号： H01M8/00

摘要： A flow scheme for feeding a reactant gas to the cells of a fuel cell stack wherein the cells are connected electrically in series. For example, the fuel gas is passed in parallel over a portion of each fuel electrode and thereupon into a mixing manifold which directs the exhausted gases in parallel over a different portion of each fuel electrode and thereupon into another manifold. This is continued, depending upon the stack configuration, with the exhausted gases passing back and forth in parallel over different portions of the fuel electrodes and exhausting into a manifold until the fuel gas has covered the entire fuel electrode of each cell in the stack. This reduces the harmful effect of a blockage within the reactant gas chamber of a cell and also reduces the harmful effect caused by a maldistribution of current in one of the cells in the stack.

摘要翻译： 用于将反应气体供给到燃料电池堆的电池的流程图，其中电池串联电连接。 例如，燃料气体平行地通过每个燃料电极的一部分并随后进入混合歧管，混合歧管将排出的气体平行地引导到每个燃料电极的不同部分上并随后进入另一歧管。 这依赖于堆叠结构，排出的气体平行地在燃料电极的不同部分上前后平齐地排放到歧管中，直到燃料气体已经覆盖堆叠中的每个电池的整个燃料电极。 这减少了电池的反应气体室内的阻塞的有害影响，并且还减少了由堆叠中的一个电池中的电池之一中的电流不均匀引起的有害影响。