Phase regulation of manganese vanadium oxide and its effects on capacity for aqueous zinc-ion battery

被引：3

作者：

Tan, Yongtao ^{[1
]}

Niu, Xiaowen ^{[1
]}

Chen, Jianhai ^{[1
]}

机构：

[1] Ningxia Univ, Sch Mat & New Energy, Ningxia Key Lab Photovolta Mat, Yinchuan 750021, Peoples R China

来源：

JOURNAL OF ENERGY STORAGE | 2024年 / 99卷

基金：

中国国家自然科学基金;

关键词：

Manganese vanadium oxide; Phase regulation; Zinc ion battery; CATHODE MATERIAL;

D O I：

10.1016/j.est.2024.113230

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Phase structure in manganese vanadium oxide is very important for zinc ion battery. This work aims to regulate the phase structure of manganese vanadium oxide from MnV12O31 & sdot;10H2O 12 O 31 & sdot; 10H 2 O to Mn(VO3)2 3 ) 2 by mass loading of Mn sources. In addition, the influences of morphologies and phase structure on capacity are studied in detail. The results show that MnV12O31 & sdot;10H2O 12 O 31 & sdot; 10H 2 O appears at loading lower Mn source, while, Mn(VO3)2 3 ) 2 appears at loading higher Mn source. The optimized sample of Mn(VO3)2/MnV12O31 & sdot;10H2O 3 ) 2 /MnV 12 O 31 & sdot; 10H 2 O composite (MnVO-0.5) shows high specific capacity of 323.6 mAh g- 1 and high maximum energy density of 269.43 Wh kg-1 with excellent capacity retention.

引用

页数：8

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