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High energy density sodium-ion capacitors through co-intercalation mechanism in diglyme-based electrolyte system
Han, Pengxian1; Han, Xiaoqi1,2; Yao, Jianhua1; Zhang, Lixue1; Cao, Xiaoyan2; Huang, Changshui1; Cui, Guanglei1
2015-11-30
发表期刊JOURNAL OF POWER SOURCES
卷号297期号:1页码:457-463
摘要A novel sodium-ion capacitor (NIC) was assembled using graphitic mesocarbon microbead anode and activated carbon cathode in diglyme-based electrolyte. Charge/discharge tests indicate that sodium ions can reversibly co-intercalated with diglyme solvent into graphite anode and show good rate performance. The energy densities of the NICs are as high as 93.5 and 86.5 Wh kg(-1) at 573 and 2832 W kg(-1) (equal to 4 C and 50 C) in the voltage window at 1-4 V, respectively. By optimizing the voltage ranges, the capacity retention of the NIC at 20 C is 98.3% even after 3000 cycles. Such superior electrochemical performance should be attributed to the reversible intercalated/deintercalated reaction of sodium ions and the formation of ternary graphite intercalation compounds in diglyme-based electrolyte. The present work pioneers new realms of hybrid energy storage system with high energy density, high power density and long cycle life. (C) 2015 Elsevier B.V. All rights reserved.
文章类型Article
关键词Sodium Ion Capacitor Co-intercalation Diglyme Energy Storage
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jpowsour.2015.08.011
关键词[WOS]RECHARGEABLE LITHIUM BATTERIES ; CARBON ; PERFORMANCE ; CHALLENGES ; HYBRID ; GRAPHITE
收录类别SCI
语种英语
WOS研究方向Electrochemistry ; Energy & Fuels
WOS类目Electrochemistry ; Energy & Fuels
WOS记录号WOS:000361772600056
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6604
专题仿生能源与储能系统团队
新型能源碳素材料团队
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Ind Energy Storage Res Inst, Qingdao 266101, Peoples R China
2.Ocean Univ China, Coll Chem & Chem Engn, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China
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Han, Pengxian,Han, Xiaoqi,Yao, Jianhua,et al. High energy density sodium-ion capacitors through co-intercalation mechanism in diglyme-based electrolyte system[J]. JOURNAL OF POWER SOURCES,2015,297(1):457-463.
APA Han, Pengxian.,Han, Xiaoqi.,Yao, Jianhua.,Zhang, Lixue.,Cao, Xiaoyan.,...&Cui, Guanglei.(2015).High energy density sodium-ion capacitors through co-intercalation mechanism in diglyme-based electrolyte system.JOURNAL OF POWER SOURCES,297(1),457-463.
MLA Han, Pengxian,et al."High energy density sodium-ion capacitors through co-intercalation mechanism in diglyme-based electrolyte system".JOURNAL OF POWER SOURCES 297.1(2015):457-463.
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