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An article to understand EIS lithium battery applications, with typical circuit model diagrams 1. What is electrochemical impedance spectroscopy (EIS)? 🔍 1️⃣Electrochemical impedance spectroscopy (EIS) is a non-destructive parameter determination and effective method for determining battery kinetic behavior. A small-amplitude sinusoidal voltage signal with a frequency of w1 is applied to the battery system, and the system generates a sinusoidal current response with a frequency of w2. The change in the ratio of the excitation voltage to the response current is the impedance spectrum of the electrochemical system.

A complete guide to soft pack battery assembly, a must-read for researchers 🔋【Soft-pack battery assembly strategy: "flexible art" that researchers must see】 ✨——From aluminum-plastic film to module integration, disassemble the "flexible code" of soft-pack batteries hand in hand!