Christian Loew

Christian Loew is part of Keysight’s Automotive and Energy Solutions group as a product manager, focusing on the management of battery cell, pack, and module test solutions.

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Testing

From Nyquist to Now: The Evolving Role of Electrochemical Impedance Spectroscopy (EIS)

Electrochemical Impedance Spectroscopy (EIS) offers powerful insights into battery performance without destructive testing. By applying AC current across frequencies and analyzing voltage responses through Nyquist plots, EIS reveals internal processes like charge transfer and diffusion, enabling better battery health monitoring and aging prediction.

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Christian Loew

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