IEST Instruments
1. Introduction Traditional static EIS testing requires satisfying three prerequisites: 1) Causality; 2) Linearity; 3) Stability. Consequently, EIS testing can only commence after…
1. Background Introduction In investigative reports on spontaneous combustion incidents involving new energy vehicles, battery failure invariably emerges as a disconcerting keywor…
1. Background In new energy vehicles or energy storage stations, lithium-ion batteries are often configured in modular or battery packs, where cells are connected in parallel and …