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Electrode Materials, Electrolytes, and Challenges in Nonaqueous Lithium‐Ion Capacitors
Author(s) -
Li Bing,
Zheng Junsheng,
Zhang Hongyou,
Jin Liming,
Yang Daijun,
Lv Hong,
Shen Chao,
Shellikeri Annadanesh,
Zheng Yiran,
Gong Ruiqi,
Zheng Jim P.,
Zhang Cunman
Publication year - 2018
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201705670
Subject(s) - materials science , supercapacitor , capacitor , energy storage , electrolyte , lithium (medication) , battery (electricity) , electrode , energy density , nanotechnology , power density , lithium titanate , engineering physics , lithium ion battery , voltage , electrical engineering , power (physics) , electrochemistry , medicine , chemistry , physics , quantum mechanics , endocrinology , engineering
Among the various energy‐storage systems, lithium‐ion capacitors (LICs) are receiving intensive attention due to their high energy density, high power density, long lifetime, and good stability. As a hybrid of lithium‐ion batteries and supercapacitors, LICs are composed of a battery‐type electrode and a capacitor‐type electrode and can potentially combine the advantages of the high energy density of batteries and the large power density of capacitors. Here, the working principle of LICs is discussed, and the recent advances in LIC electrode materials, particularly activated carbon and lithium titanate, as well as in electrolyte development are reviewed. The charge‐storage mechanisms for intercalative pseudocapacitive behavior, battery behavior, and conventional pseudocapacitive behavior are classified and compared. Finally, the prospects and challenges associated with LICs are discussed. The overall aim is to provide deep insights into the LIC field for continuing research and development of second‐generation energy‐storage technologies.