Storing electricity as chemical energy: beyond traditional electrochemistry and double-layer compression

被引:40
作者
Antonietti, Markus [1 ]
Chen, Xiaodong [2 ]
Yan, Runyu [1 ]
Oschatz, Martin [1 ]
机构
[1] Max Planck Inst Colloids & Interfaces, Colloid Chem, Res Campus Golm,Muhlenberg 1, D-14476 Potsdam, Germany
[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Innovat Ctr Flexible Devices, 50 Nanyang Ave, Singapore 639798, Singapore
关键词
IONIC LIQUID; CARBON MATERIALS; CHARGE STORAGE; CHALLENGES; CAPACITANCE; MECHANISMS; BATTERIES; DYNAMICS;
D O I
10.1039/c8ee01723a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Extending the range of analysis of previous measurements on energy storage in ionic liquid (IL)-based supercapacitors with very well defined carbon materials indicates that there are two distinct processes at play: the one at lower voltages is (classically) related to the micropore inclusion of single ions, while a previously unknown high voltage transition can be ascribed to a change in the structure and coordination number of the ionic liquid. This opinion article discusses a proof of circumstantial evidence for this so far weakly understood and often overlooked mode of energy storage, which in principle could take supercapacitors to a new level of energy storage.
引用
收藏
页码:3069 / 3074
页数:6
相关论文
共 36 条
[1]   Building better batteries [J].
Armand, M. ;
Tarascon, J. -M. .
NATURE, 2008, 451 (7179) :652-657
[2]   Pseudocapacitive oxide materials for high-rate electrochemical energy storage [J].
Augustyn, Veronica ;
Simon, Patrice ;
Dunn, Bruce .
ENERGY & ENVIRONMENTAL SCIENCE, 2014, 7 (05) :1597-1614
[3]   Ionic liquids for hybrid supercapacitors [J].
Balducci, A ;
Bardi, U ;
Caporali, S ;
Mastragostino, M ;
Soavi, F .
ELECTROCHEMISTRY COMMUNICATIONS, 2004, 6 (06) :566-570
[4]   Carbons and Electrolytes for Advanced Supercapacitors [J].
Beguin, Francois ;
Presser, Volker ;
Balducci, Andrea ;
Frackowiak, Elzbieta .
ADVANCED MATERIALS, 2014, 26 (14) :2219-2251
[5]   Tailoring porosity in carbon materials for supercapacitor applications [J].
Borchardt, L. ;
Oschatz, M. ;
Kaskel, S. .
MATERIALS HORIZONS, 2014, 1 (02) :157-168
[6]   Carbon Materials for Lithium Sulfur Batteries-Ten Critical Questions [J].
Borchardt, Lars ;
Oschatz, Martin ;
Kaskel, Stefan .
CHEMISTRY-A EUROPEAN JOURNAL, 2016, 22 (22) :7324-7351
[7]   To Be or Not To Be Pseudocapacitive? [J].
Brousse, Thierry ;
Belanger, Daniel ;
Long, Jeffrey W. .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2015, 162 (05) :A5185-A5189
[8]   Decoupling electron and ion storage and the path from interfacial storage to artificial electrodes [J].
Chen, Chia-Chin ;
Maier, Joachim .
NATURE ENERGY, 2018, 3 (02) :102-108
[9]  
Chmiola J, 2006, SCIENCE, V313, P1760, DOI 10.1126/science/1132195
[10]   Desolvation of ions in subnanometer pores and its effect on capacitance and double-layer theory [J].
Chmiola, John ;
Largeot, Celine ;
Taberna, Pierre-Louis ;
Simon, Patrice ;
Gogotsi, Yury .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2008, 47 (18) :3392-3395