Channel module and fuel cell

A fuel cell, comprising:

• a plurality of fuel modules;
• a first channel module suitable to diverge a liquid fuel to the fuel modules;
• a mixing unit;
• a second channel module suitable to converge the liquid fuel from the fuel modules to the mixing unit, wherein the first channel module and the second channel module respectively comprise:
• a first carrier having a channel opening and a channel, wherein the channel opening communicates with the channel;
• a second carrier disposed on the first carrier, the second carrier having at least one accommodation cavity and at least one main opening, wherein the main opening is located at the geometry center of a bottom surface of the accommodation cavity and the accommodation cavity communicates with the channel through the main opening;
• and
• a cover disposed on the second carrier and having a plurality of sub-openings, wherein the sub-openings communicate with the accommodation cavity, the locations of the sub-openings are on a same plane and form a geometry shape, and the orthogonally projected location on the plane of the main opening is the geometry center of the geometry shape,
• wherein the liquid fuel is capable of entering the channel opening of the first channel module and is capable of being transferred to the fuel modules through the sub-openings of the first channel module, the liquid fuel come from the fuel modules is capable of entering the sub-openings of the second channel module and then is capable of being transferred to the mixing unit through the channel opening of the second channel module.