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题名: Graphdiyne applied for lithium-ion capacitors displaying high power and energy densities
作者: Du, Huiping1, 3; Yang, Hui2, 3; Huang, Changshui1; He, Jianjiang1, 3; Liu, Huibiao2; Li, Yuliang2
关键词: Li-ion capacitors ; Capacity ; Electrochemical performance ; Cycling stability ; Energy density ; Power density
刊名: NANO ENERGY
发表日期: 2016-04-01
卷: 22, 页:615-622
收录类别: SCI
英文摘要: New materials hold the key to fundamental advances in energy conversion and storage, both of which are vital in order to meet the challenge of sustainable and renewable energy sources. Lithium-ion capacitors (LICs) represent an important strategy for electrochemical energy storage, but are usually limited by relatively low energy density. In this study we assembled a hybrid LIC featuring a bulk graphdiyne (GDY) anode and an activated carbon (AC) cathode. This capacitor delivered an initial specific energy as high as 112.2 W h kg(-1) at a power density of 400.1 W h kg(-1), with 94.7% retention after 1000 cycles. More importantly, it even displayed an energy density of 95.1 W h kg(-1) at a power density of 1000.4 W kg(-1), operated in the voltage range of 2-4 V. Those high energy and power densities in LICs constructed with GDY anode and AC cathode offer a great potential toward application on next generation batteries. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36105
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, 189 Songling Rd, Qingdao 266101, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
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