Why Battery Degradation Accelerates Nonlinearly Under Fast-Charging Protocols—And What That Means for EV Fleet Operations

电池退化为何在快充协议下呈非线性加速——及其对电动汽车车队运营的意义

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Lithium-ion battery capacity loss follows a power-law relationship with charging C-rate: doubling from 1C to 2C increases degradation rate by 3.8×, not 2×, due to lithium plating kinetics.
Fast charging above 60% state-of-charge induces dendritic lithium growth on anode surfaces, permanently consuming cyclable lithium and increasing internal resistance.

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