Corncob-Derived Hierarchical Porous Activated Carbon for High-Performance Lithium-Ion Capacitors
Yang, Shuhua1,3,4,5; Zhang, Le1; Sun, Jing1; Li, Kui1; Zhao, Songfang1; Zhao, Degang1; Wang, Jieqiang1; Yang, Chao2; Wang, Xiutong3,4; Cao, Bingqiang1,2
2020-12-17
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号34期号:12页码:16885-16892
通讯作者Yang, Shuhua(yangshuhua78@163.com) ; Wang, Xiutong(wangxiutong@qdio.ac.cn) ; Cao, Bingqiang(mse_caobq@ujn.edu.cn)
摘要Lithium-ion capacitors (LICs) are hybrid energy storage devices with a capacitor -type cathode and battery-type anode, which bridge the gap between conventional high-energy lithium-ion batteries and high-power capacitors. It is still a challenge for high energy density at high power density. In this article, corncob-derived hierarchical porous activated carbons (ACs-X) are prepared through a H2SO4 -assisted hydrothermal treatment with subsequent activation and are used as a capacitor-type cathode. The amount of H2SO4 plays significant roles on the microstructures of the ACs-X during the process of hydrothermal treatment. Specifically, the optimized ACs-1.5 exhibits rationally hierarchical porous structures with huge specific surface area, improved graphitization degree, and enough pore volume. Consequently, the enhanced specific capacitance of 251 F g(-1) at 0.3 A g(-1) and outstanding rate capability are realized. ACs-1.5//Fe3O4/G LICs are constructed, exhibiting a splendid energy density of 118 Wh kg(-1) at a large power density of 3726 W kg(-1) , comparable or excelling to previously reported LICs. Furthermore, the ACs-1.5//Fe3O4/G LICs exhibited long cycling stability with a capacitance retention of 88.7% after 5 000 cycles at 2 A g(-1) within the voltage range of 1-4.0 V.
DOI10.1021/acs.energyfuels.0c03508
收录类别SCI
语种英语
资助项目NSFC[51702123] ; NSFC[51472110] ; Shandong Province Higher Educational Youths Innovation Science and Technology Program[2019KJA018] ; University of Jinan Science and Technology Planning Project[XKY2034] ; University of Jinan
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000600407600149
出版者AMER CHEMICAL SOC
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/169540
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Yang, Shuhua; Wang, Xiutong; Cao, Bingqiang
作者单位1.Univ Jinan, Sch Mat Sci & Engn, Mat Ctr Energy & Photoelectrochem Convers, Jinan 250022, Peoples R China
2.Qufu Normal Univ, Sch Phys & Phys Engn, Qufu 273165, Shandong, Peoples R China
3.Chinese Acad Sci, Key Lab Marine Environm Corros & Biofouling, Inst Oceanol, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
5.Nanyang Technol Univ, Sch Phys & Math Sci, Singapore 637371, Singapore
第一作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
推荐引用方式
GB/T 7714
Yang, Shuhua,Zhang, Le,Sun, Jing,et al. Corncob-Derived Hierarchical Porous Activated Carbon for High-Performance Lithium-Ion Capacitors[J]. ENERGY & FUELS,2020,34(12):16885-16892.
APA Yang, Shuhua.,Zhang, Le.,Sun, Jing.,Li, Kui.,Zhao, Songfang.,...&Cao, Bingqiang.(2020).Corncob-Derived Hierarchical Porous Activated Carbon for High-Performance Lithium-Ion Capacitors.ENERGY & FUELS,34(12),16885-16892.
MLA Yang, Shuhua,et al."Corncob-Derived Hierarchical Porous Activated Carbon for High-Performance Lithium-Ion Capacitors".ENERGY & FUELS 34.12(2020):16885-16892.
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