| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell stack capable of realizing miniaturization while fastening force of a power generation section is enhanced by arranging a fastening member so as to penetrate a center zone of a plane of a power generation section. <P>SOLUTION: A plurality of power generation sections 110 for generating electrical energy and the fastening member 160 for mutually fastening the power generation sections are included by electrochemically reacting fuel and oxidant gas. The power generation section includes separators 120, 140 wherein an electrode-membrane assembly (MEA) 130 and channels 142 on surfaces opposite to the MEA by oppositely arranging on both sides of the MEA are formed. The channels with the number of a multiple of 2 are formed on one surface of the separator, and the channels with the number of a multiple of 2 are arranged to mutually have the same flow passage length per the same even number unit by branching into the same even numbers. <P>COPYRIGHT: (C)2009,JPO&INPIT |
