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

被引：0
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.
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页数：8
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