Defect and interlayer spacing engineering of vanadium selenide for boosting sodium-ion storage

作者：Feng Wang, Xia Wen, Yanan Peng, Luying Song, Xiaohui Li, Ruofan Du, Junbo Yang, Yulin Jiang, Hui Li, Hang Sun, Ling Huang, Jun He, Jianping Shi · 发表于：Journal of Materials Chemistry A · 年份：2023 · DOI：10.1039/d3ta06115a · 被引用次数：13 · 研究领域：Advancements in Battery Materials、Advanced Battery Materials and Technologies、Semiconductor materials and devices

We propose a synergistic strategy to boost sodium-ion storage by introducing Se vacancies and tuning the interlayer spacing of VSe 2− x . The sodium-ion full cell delivers high specific capacity and unexpected stability with the cycle number exceeding 2400.