Oligolayered Ti3C2Tx MXene towards high performance lithium/sodium storage

被引：99

作者：

Song Xiaolan ^{[1
]}

Wang Hui ^{[1
]}

Jin Shengming ^{[1
]}

Lv Miao ^{[1
]}

Zhang Ying ^{[1
]}

Kong Xiaodong ^{[1
]}

Xu Hongmei ^{[1
]}

Ma Ting ^{[1
]}

Luo Xinyuan ^{[1
]}

Tan Hengfeng ^{[1
]}

Hu Dong ^{[1
]}

Deng Chaoyong ^{[2
]}

Chang Xinghua ^{[1
]}

Xu Jianlong ^{[3
]}

机构：

[1] Cent South Univ, Hunan Key Lab Mineral Mat & Applicat, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China

[2] Guangdong Zhiyuan New Mat Co LTD, Qingyuan 513055, Peoples R China

[3] Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China

来源：

NANO RESEARCH | 2020年 / 13卷 / 06期

基金：

中国国家自然科学基金;

关键词：

oligolayered Ti3C2Tx MXene; delamination; lithium ion battery; sodium ion battery; pseudocapacitance contribution; ENERGY-STORAGE; TITANIUM CARBIDE; TIO2; ANATASE; NANOSHEETS; BATTERIES; ANODE; CHALLENGES; ELECTRODES; MECHANISM; CAPACITY;

D O I：

10.1007/s12274-020-2789-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

2D MXenes are highly attractive for achieving ultrafast and stable lithium/sodium storage due to their good electric conductivity and abundant redox active sites. While, effective strategies for scalable preparation of oligolayered MXenes are still under exploration. Herein, oligolayered Ti3C2Tx MXene is successfully obtained after conventional synthesis of multilayered Ti3C2 and subsequent delamination process via an organic solvent of tetramethyl-ammonium hydroxide (TMAOH). Comprehensive electrochemical study reveals that surface-controlled redox reaction dominated the charge storage behavior of oligolayered Ti3C2Tx with fast reaction kinetics. Impressively, the obtained oligolayered Ti3C2Tx exhibits excellent lithium/sodium storage performance, featured for a high specific capacity of 330 mAhg(-1) at 1.0 Ag-1 after 800 cycles for lithium storage and 280 mAhg(-1) at 0.5 Ag-1 after 500 cycles for sodium storage. Such impressive performance will advance the development of oligolayered Ti3C2Tx based materials for lithium/sodium storage and even broaden their application into energy storage.

引用

页码：1659 / 1667

页数：9

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