Proton exchange membrane fuel cell low-temperature cold start box capable of realizing uniform heating and control method thereof
A proton exchange membrane and fuel cell technology, applied in fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve the problem of unimproved stack temperature uniformity, inability of reactants to fully react, and long time required for cold start To achieve the effect of improving battery temperature consistency, shortening cold start time, and good heating effect
Active Publication Date: 2020-05-08
JIANGSU UNIV
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The invention provides a proton exchange membrane fuel cell low-temperature cold start box capable of realizing uniform heating and a control method of the proton exchange membrane fuel cell low-temperature cold start box. The proton exchange membrane fuel cell low-temperature cold start box structurally comprises: a proton exchange membrane fuel cell stack supporting box body, two ends of which need to be provided with end plates for fixing and bearing cells; two resistance plates arranged at the bottom of the supporting box body, wherein sliding grooves are formed in one ends of the two resistance plates and used for electrifying and heating the fuel cell stack; a movable electrode with a threaded hole, wherein one end of the movable electrode is supported in the sliding groove of the resistance plate, and the movable electrode is used for being connected with a power supply and can move; and a threaded rod, wherein one end of the threaded rod is connected with the motor, and the threaded rod is rotatable and can move the electrode matched with the threaded rod. The end, close to the pile end cover, of the resistance plate and the electrodes are connected with the two electrodesof the power source respectively to form a loop, and due to the fact that the electrodes are movable, a heating area can be changed. The method has the advantages that the temperature uniformity of the galvanic pile can be realized during cold start of the galvanic pile, and the energy consumption for heating is low.
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