Interfacial Evolution and Accelerated Aging Mechanism for LiFePO₄/Graphite Pouch Batteries Under Multi-Step Indirect Activation

TY - JOUR

T1 - Interfacial Evolution and Accelerated Aging Mechanism for LiFePO4/Graphite Pouch Batteries Under Multi-Step Indirect Activation

AU - Liu, Yun

AU - Dong, Jinyang

AU - Zhou, Jialong

AU - Guan, Yibiao

AU - Wei, Yimin

AU - Zhao, Jiayu

AU - Liang, Jinding

AU - Shi, Xixiu

AU - Yan, Kang

AU - Lu, Yun

AU - Li, Ning

AU - Su, Yuefeng

AU - Wu, Feng

AU - Chen, Lai

N1 - Publisher Copyright: © The Author(s) 2026.

PY - 2026/12

Y1 - 2026/12

N2 - Quantifying the aging mechanisms and their evolution patterns during battery aging is crucial for enabling renewable energy. The uniform electrode/electrolyte interface (EEI) film on the electrode surface has an important impact on the energy density, cycling performance and power density of the battery. Multi-step segmented indirect activation strategy promotes the formation of uniform EEI and suppresses iron dissolved in the electrolyte.

AB - Quantifying the aging mechanisms and their evolution patterns during battery aging is crucial for enabling renewable energy. The uniform electrode/electrolyte interface (EEI) film on the electrode surface has an important impact on the energy density, cycling performance and power density of the battery. Multi-step segmented indirect activation strategy promotes the formation of uniform EEI and suppresses iron dissolved in the electrolyte.

KW - Accelerated aging

KW - Dissolve of Fe ions

KW - EEI film

KW - Electrode/electrolyte interface

KW - Multi-step segmented indirect activation

UR - https://www.scopus.com/pages/publications/105026441833

U2 - 10.1007/s40820-025-01971-2

DO - 10.1007/s40820-025-01971-2

M3 - Article

AN - SCOPUS:105026441833

SN - 2311-6706

VL - 18

JO - Nano-Micro Letters

JF - Nano-Micro Letters

IS - 1

M1 - 136

ER -