Etching-courtesy NH4+ pre-intercalation enables highly-efficient Li+ storage of MXenes via the renaissance of interlayer redox

被引：40

作者：

Li, Junyan ^{[1
,2
,3
]}

Zhang, Wei ^{[1
,3
]}

Ge, Xin ^{[1
,3
]}

Lu, Ming ^{[2
]}

Xue, Xiangxin ^{[2
]}

Wang, Zizhun ^{[1
,3
]}

Yue, Nailin ^{[1
,3
]}

Zhang, Junkai ^{[2
]}

Lang, Xingyou ^{[1
,3
]}

Jiang, Qing ^{[1
,3
]}

Zheng, Weitao ^{[1
,3
]}

机构：

[1] Jilin Univ, Electron Microscopy Ctr, Sch Mat Sci & Engn, Key Lab Automobile Mat MOE, Changchun 130012, Jilin, Peoples R China

[2] Chem Minist Educ, Applicat Environm Friendly Mat Minist Educ, Joint Lab MXene Mat, Key Lab Funct Mat Phys, Changchun 130103, Jilin, Peoples R China

[3] Jilin Univ, Int Ctr Future Sci, Changchun 130012, Jilin, Peoples R China

来源：

JOURNAL OF ENERGY CHEMISTRY | 2022年 / 72卷

基金：

中国国家自然科学基金;

关键词：

Mo-2 CT(x )MXene; Ammonium ions; Intercalation; Lithium storage; TITANIUM CARBIDE MXENE; ION INTERCALATION; TI2C MXENE; PERFORMANCE; MECHANISM; MO2GA2C; SURFACE; DESIGN; ANODE; HOST;

D O I：

10.1016/j.jechem.2022.04.030

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Inspired by a well-known architecture notion that load-bearing walls enable maintaining a highly-stable multiple-floored building, superior advantages are afforded via fabricating the NH4+ ions pre-intercalated Mo2CTx MXene (Mo2CTx-N) in a mixed solution of NH4F and HCl via a simple one-step hydrothermal method. As a result of the synergistic effects of pillared structure, immobilizing -F groups and unlocking Mo-based redox, the Mo2CTx-N remarkably delivered a reversible capacity of 384.6 mAh g(-1) at 200 mA g(-1) after 100 cycles. Our work lays a foundation for fully packaging its optimal performance via carding and architecting the chemistry of the MXene layers and between them. (c) 2022 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.

引用

页码：26 / 32

页数：7

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