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

被引：38

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

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2018年 / 11卷 / 11期

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

页码：3069 / 3074

页数：6

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