Electro-Synthesis of Ultrafine V2AlC MAX-Phase and Its Conversion Process towards Two-Dimensional V2CTX

被引：15

作者：

Liu, Pengjie ^{[1
]}

Hou, Zhuoran ^{[1
]}

Hu, Mengjun ^{[1
]}

Hu, Liwen ^{[1
,2
]}

Tang, Rong ^{[1
]}

Wu, Hongfei ^{[1
]}

Hu, Meilong ^{[1
,2
]}

机构：

[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China

[2] Chongqing Univ, Chongqing Key Lab Vanadium Titanium Met & Adv Mat, Chongqing 400044, Peoples R China

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2020年 / 167卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Molten salt electrolysis; MAX phase; V2AlC; V2CTx-MXene; IN-SITU SYNTHESIS; LI ION BATTERIES; MOLTEN-SALT; STRUCTURAL-CHARACTERIZATION; ELECTROCHEMICAL REDUCTION; MECHANICAL-PROPERTIES; ELECTRONIC-PROPERTIES; VANADIUM; TI3ALC2; MXENE;

D O I：

10.1149/1945-7111/aba401

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

V2AlC is a typical ternary intermetallic compound and a precursor to synthesis 2D-MXenes V2C. This work used cheap metal oxides and carbon as simple starting materials to fabricate MAX phases carbide V2AlC by molten salt electrolysis, and the obtained product could be converted into 2D V2C by a chemical etching process easily. The obtained ultrafine V2AlC possess high purity and homogeneity, and the 2D V2C from the chemical etching presented a unique layered Nano-sheets structure. TEM and X-ray photoelectron spectroscopy were combined to analysis the micromorphology and the chemical bonding states. And the reaction mechanism has been investigated to explore the facile synthetic method of V2AlC and 2D V2C.

引用

页数：8

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