Construction of Bi-based amorphous/crystalline heterostructures for efficient potassium ion storage

作者：Hankun Yang, Xiaoqing Zhang, Wei Li, Yufang Chen, Xiaolei Tang, Ying Wu, Qiliang Wei, Xianyou Wang, Hongbo Shu · 发表于：Journal of Materials Chemistry A · 年份：2024 · DOI：10.1039/d4ta00291a · 被引用次数：22 · 研究领域：Advancements in Battery Materials、Advanced Battery Materials and Technologies、Ferroelectric and Piezoelectric Materials

A heterogeneous structure generates interfacial built-in electric fields. The amorphization strategy enhances K + diffusion kinetics and K + adsorption energy and mitigates the impact of volume expansion during potassiation/de-potassiation processes.