In the long cycle test of symmetrical batteries, the overpotential measured using a two electrode system is too high, which is a bit abnormal. How should we solve it?
Hey there Pan xiao Dong! When it comes to dealing with elevated overpotential in the long cycle testing of symmetrical batteries, a few factors could be contributing to this abnormality. First off, consider checking the electrode material and its compatibility with the electrolyte. Sometimes, mismatched components can lead to increased overpotential.
Additionally, assess the cycling conditions, ensuring that the current density and temperature are within optimal ranges. High current densities or extreme temperatures might be causing the observed overpotential.
You Pan xiao Dong might also want to inspect for any potential contamination in the electrolyte or issues with electrode stability. Properly purifying the electrolyte and ensuring electrode integrity could make a significant difference.
If these steps don't resolve the problem, revisiting the experimental setup and equipment calibration might be necessary. It's essential to eliminate any possible sources of error in the measurement system.
Remember, troubleshooting these issues often involves a combination of thorough analysis and experimentation.
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