Method of cooling a fuel cell
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorTakafumi Okamoto
Life of this patent
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Abstract
A fuel cell is of a simple structure for preventing a partial temperature difference from being developed in a fuel cell structural body, and maintaining an effective operative area and performance. The fuel cell 10 includes a plurality of fuel cells 20 each sandwiched between separators 40, and has circulatory passages 29a, 29b defined therein for circulating cooling water, which has been used to cool the fuel cells 20, along opposite sides of electric generation sections 28 of the fuel cells 20.
Claims13
A method of cooling a fuel cell having an electric generation section with an electrolyte membrane sandwiched between an anode electrode plate and a cathode electrode plate, comprising the steps of:
- first, passing a cooling medium in a first direction that is parallel to and in heat exchange relationship with at least one of the electrode plates on a side opposite the electrolyte membrane for cooling the electric generating section of the fuel cell;
- and
- second, passing the cooling medium used in the first step in a second direction through both lateral outer sides of the electrical generation section, wherein the second direction is perpendicular to the first direction.
A method of cooling a fuel cell having an electric generation section with an electrolyte membrane sandwiched between an anode electrode plate and a cathode electrode plate, comprising the step of passing a cooling medium in a first direction through both lateral outer sides of the electric generation section.
A method of cooling a fuel cell having an electric generation section with an electrolyte membrane sandwiched between an anode electrode plate and a cathode electrode plate, comprising the steps of:
- first, passing a cooling medium in a first direction that is parallel to and in heat exchange relationship with at least one of the electrode plates on a side opposite the electrolyte membrane for cooling all of the electric generating section of the fuel cell;
- and
- second, passing the cooling medium used in the first step in a second direction through both lateral outer sides of the electrical generation section, wherein the second direction is perpendicular to the first direction.
Dependencies are inferred from the claim text.