N-doped VS2 cathode with shell-anchored structure for enhancing the storage performance of Zn-Ion batteries

被引：0

作者：

Lv, Rongguan ^{[1
]}

Yue, Mohan ^{[1
]}

Zhang, Yi ^{[1
]}

He, Lin ^{[1
]}

Wu, Huayu ^{[1
]}

Liu, Yu ^{[1
]}

Wang, Jindi ^{[1
]}

Chang, Yingna ^{[1
]}

Song, Kefan ^{[1
]}

Xing, Rong ^{[1
]}

机构：

[1] Yancheng Teachers Univ, Sch Chem & Environm Engn, Yancheng 224000, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2025年 / 982卷

关键词：

Shell-anchored VS 2 @NSA; Three-step deintercalation mechanism; Hydrothermal method; Aqueous zinc ion batteries; ANODE MATERIALS; HIGH-ENERGY; NANOSHEETS; CHEMISTRY; DIOXIDE;

D O I：

10.1016/j.jelechem.2025.119007

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Using a confinement growth strategy, shell-anchored N-doped (NSA) VS2 has been synthesized within hollow mesoporous carbon spheres as a cathode material in aqueous zinc ion batteries (ZIBs). The VS2@NSA composite exhibits a novel three-step deintercalation process across a broad voltage range (0-1 V), significantly boosting Zn2+ storage capacity. Notably, the shell-anchored structure of VS2@NSA effectively mitigates the pulverization and volume expansion issues associated with extensive Zn2+ insertion. Furthermore, VS2@NSA exhibited the excellent cycle stability of 282.4 mA h/g at 1 A/g after 500 cycles. Massive Zn2+ insertion did not cause excessive volume variation and structure destruction that can be effectively inhibited by the confined structure of VS2@NSA.

引用

页数：8

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