Solid-State Battery Technology
Phase angle is a measure of the phase difference between the voltage and current in an alternating current (AC) circuit, expressed in degrees or radians. In the context of electrochemical impedance spectroscopy, it helps characterize the frequency-dependent behavior of electrochemical systems by indicating how much the current waveform is shifted relative to the voltage waveform. Understanding phase angle is crucial as it reflects the energy storage and dissipation characteristics of the material being analyzed.
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