noun
overpotential; over-voltage
This word is a known misprint for 過電圧 (かでんあつ). The correct term is 過電圧, which means overvoltage or overpotential. This form should not be used.
「加電圧」は「過電圧」の誤植であり、正しくは過電圧と書く。
「加電圧」 is a misprint for 「過電圧」; the correct spelling is 過電圧.