Polyfluorinated boron cluster - [B12F11H]2- - based electrolytes for supercapacitors: Overcharge protection

被引：14
作者：
Ionica-Bousquet, C. M. [3 ]
Casteel, W. J., Jr. [1 ]
Pearlstein, R. M. [1 ]
GirishKumar, G. [1 ]
Pez, G. P. [1 ]
Gomez-Romero, P. [2 ]
Palacin, M. R. [3 ]
Munoz-Rojas, D. [2 ,3 ]
机构：
[1] Air Prod & Chem Inc, Allentown, PA 18195 USA
[2] Ctr Invest Nanociencia & Nanotecnol, CIN2 CSIC ICN, E-08193 Bellaterra, Spain
[3] CSIC, Inst Ciencia Mat Barcelona, E-08193 Bellaterra, Spain
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2010年 / 12卷 / 05期
关键词：
Supercapacitor; Overcharge protection; Pseudocapacitance; Quaternary ammonium; Nonaqueous electrolyte; Fluoborate; Polyfluorododecaborate; ACTIVATED CARBON; CAPACITANCE; ELECTRODES; NANOTUBES;
D O I：
10.1016/j.elecom.2010.02.018
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Redox-active polyfluorododecaborate cluster ions, [B12FxH12-x](2-), were investigated as electrolytes for electrochemical double layer capacitors. In particular, the performance of tetraethylammonium undecafluorododecaborate, (Et4H)(2)B12F11H, was compared against a standard electrolyte made with tetraethylammonium tetrafluoroborate (Et4NBF4). Overcharge tests in single cells and in cells assembled in series demonstrated that the redox-active anion can be effectively used as a shuttle to reduce solvent degradation under harsh conditions, thus extending cell life. (c) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：636 / 639
页数：4
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