Testing method for corrosion resistance of bipolar plate used for fuel cell
A technology for fuel cells and testing methods, applied in the fields of weather resistance/light resistance/corrosion resistance, measuring devices, analysis materials, etc., which can solve the problem of long corrosion current test time, uncertainty, and inability to quickly reflect the corrosion resistance of bipolar plates Features and other issues, to achieve the effect of fast testing, easy operation, and avoiding data processing errors
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Embodiment 1
[0030] A method for testing the corrosion resistance of a bipolar plate for a fuel cell comprises the following steps: using a five-port corrosion pool as a container, containing 0.5M H 2 SO 4 +5ppm F – Electrolyte solution, the other bottle mouth of the five-port corrosion cell is used to place the reference electrode (saturated silver chloride reference electrode, reversible hydrogen reference electrode (reversible hydrogen electrode, RHE)), one bottle port is used to place the counter electrode, and the other two One bottle port is used to introduce and export oxygen; the bipolar plate material after cleaning the surface is placed in the five-port corrosion pool, and connected to the working electrode of the electrochemical workstation; the open circuit potential (open circuit potential) of the bipolar plate material is tested , OCP). Comparing the OCP of similar bipolar plate materials, the bipolar plate material with higher OCP has better corrosion resistance, and the t...
Embodiment 2
[0032] A method for testing the corrosion resistance of bipolar plates for fuel cells, the following steps are used: using five corrosion pools as containers, in which 0.4M H 2 SO 4 +6ppm F – Electrolyte solution, the other bottle mouth of the five-port corrosion cell is used to place the reference electrode (saturated silver chloride reference electrode, reversible hydrogen reference electrode (reversible hydrogen electrode, RHE)), one bottle port is used to place the counter electrode, and the other two One bottle port is used to introduce and export oxygen; the bipolar plate material after cleaning the surface is placed in the five-port corrosion pool, and connected to the working electrode of the electrochemical workstation; the open circuit potential (open circuit potential) of the bipolar plate material is tested , OCP). Comparing the OCP of similar bipolar plate materials, the bipolar plate material with higher OCP has better corrosion resistance, and the temperature ...
Embodiment 3
[0034] A method for testing the corrosion resistance of bipolar plates used in fuel cells, the following steps are used: using five corrosion pools as containers, in which 0.6M H 2 SO 4 +4ppm F – Electrolyte solution, the other bottle mouth of the five-port corrosion cell is used to place the reference electrode (saturated silver chloride reference electrode, reversible hydrogen reference electrode (reversible hydrogen electrode, RHE)), one bottle port is used to place the counter electrode, and the other two One bottle port is used to introduce and export oxygen; the bipolar plate material after cleaning the surface is placed in the five-port corrosion pool, and connected to the working electrode of the electrochemical workstation; the open circuit potential (open circuit potential) of the bipolar plate material is tested , OCP). Comparing the OCP of similar bipolar plate materials, the bipolar plate material with higher OCP has better corrosion resistance, and the temperat...
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