Highly Stable Photo‐Assisted Zinc‐Ion Batteries via Regulated Photo‐Induced Proton Transfer
Wenwen Zha,
Qiushi Ruan,
Long Ma
et al.
Abstract:Photo‐assisted ion batteries utilize light to boost capacity but face cycling instability due to complex charge/ion transfer under illumination. This study identified photo‐induced proton transfer (photo‐induced PT) as a significant process in photo‐(dis)charging of widely‐used V2O5‐based zinc‐ion batteries, contributing to enhanced capacity under illumination but jeopardizing photo‐stability. Photo‐induced PT occurs at 100 ps after photo‐excitation, inducing rapid proton extraction into V2O5 photoelectrode. T… Show more
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