A Non-Aqueous Asymmetric Cell with a Ti2C-Based Two-Dimensional Negative Electrode

被引：341

作者：

Come, J. ^{[1
,2
]}

Naguib, M. ^{[3
,4
]}

Rozier, P. ^{[1
,2
]}

Barsoum, M. W. ^{[3
,4
]}

Gogotsi, Y. ^{[3
,4
]}

Taberna, P. -L. ^{[1
,2
]}

Morcrette, M. ^{[2
,5
]}

Simon, P. ^{[1
,2
]}

机构：

[1] Univ Toulouse 3, CIRIMAT UMR CNRS 5085, F-31062 Toulouse 4, France

[2] FR CNRS 3459, RS2E, Paris, France

[3] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

[4] AJ Drexel Nanotechnol Inst, Philadelphia, PA 19104 USA

[5] Univ Picardie, Lab Reactivite & Chim Solides, F-80000 Amiens, France

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2012年 / 159卷 / 08期

关键词：

CAVITY MICROELECTRODE; IONIC LIQUID; STORAGE; SUPERCAPACITOR;

D O I：

10.1149/2.003208jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A new MXene phase, Ti2C, obtained by aluminum extraction from Ti2AlC and exfoliation of the reaction product, was electrochemically studied vs. Lithium. Li-ions insertion into the 2-D structure was characterized by in situ XRD measurements. Additional electrochemical kinetic characterizations of Ti2C, using a cavity micro-electrode, showed that the electrochemical reactions involve two different phenomena: one diffusion-limited, the other not. A Ti2C/activated carbon asymmetric cell was assembled to highlight the high rate performance of the MXene. The cell was cycled between 1.0 V and 3.5 V, and showed good capacity retention during 1000 galvanostatic charge/discharge cycles at rates up to 10C. (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.003208jes] All rights reserved.

引用

页码：A1368 / A1373

页数：6

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