CAS OpenIR
Building aqueous K-ion batteries for energy storage
Jiang, Liwei1,2; Lu, Yaxiang1; Zhao, Chenglong1,2; Liu, Lilu1; Zhang, Jienan1; Zhang, Qiangqiang1,2; Shen, Xing3; Zhao, Junmei3; Yu, Xiqian1; Li, Hong1,4; Huang, Xuejie1; Chen, Liquan1; Hu, Yong-Sheng1,2,4
2019-06-01
Source PublicationNATURE ENERGY
ISSN2058-7546
Volume4Issue:6Pages:495-503
Abstract

Aqueous K-ion batteries (AKIBs) are promising candidates for grid-scale energy storage due to their inherent safety and low cost. However, full AKIBs have not yet been reported due to the limited availability of suitable electrodes and electrolytes. Here we propose an AKIB system consisting of an Fe-substituted Mn-rich Prussian blue KxFeyMn1-y[Fe(CN)(6)](w)center dot zH(2)O cathode, an organic 3,4,9,10-perylenetetracarboxylic diimide anode and a 22 M KCF3SO3 water-in-salt electrolyte. The cathode achieves 70% capacity retention at 100 C and a lifespan of over 10,000 cycles due to the mitigation of phase transitions by Fe substitution. Meanwhile, the electrolyte can help decrease the dissolution of both electrodes owing to the lack of free water. The AKIB exhibits a high energy density of 80 Wh kg(-1) and can operate well at rates of 0.1-20 C and over a wide temperature range (-20 to 60 degrees C). We believe that our demonstration could pave the way for practical applications of AKIBs for grid-scale energy storage.

DOI10.1038/s41560-019-0388-0
Language英语
WOS KeywordIn-salt Electrolyte ; Low-cost ; Manganese Hexacyanoferrate ; Prussian Blue ; Sodium ; Technologies ; Performance ; Cathode ; Li
Funding ProjectNational Natural Science Foundation of China[51725206] ; National Natural Science Foundation of China[51421002] ; National Key Technologies R&D Programme of China[2016YFB0901500] ; Strategic Priority Research Programme of the Chinese Academy of Sciences[XDA21070500] ; Beijing Municipal Science and Technology Commission[Z181100004718008]
WOS Research AreaEnergy & Fuels ; Materials Science
WOS SubjectEnergy & Fuels ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China ; National Key Technologies R&D Programme of China ; Strategic Priority Research Programme of the Chinese Academy of Sciences ; Beijing Municipal Science and Technology Commission
WOS IDWOS:000471295000016
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30067
Collection中国科学院过程工程研究所
Corresponding AuthorLu, Yaxiang; Hu, Yong-Sheng
Affiliation1.Chinese Acad Sci, Beijing Key Lab New Energy Mat & Devices, Beijing Natl Lab Condensed Matter Phys, Key Lab Renewable Energy,Inst Phys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing, Peoples R China
4.Yangtze River Delta Phys Res Ctr Co Ltd, Liyang, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Liwei,Lu, Yaxiang,Zhao, Chenglong,et al. Building aqueous K-ion batteries for energy storage[J]. NATURE ENERGY,2019,4(6):495-503.
APA Jiang, Liwei.,Lu, Yaxiang.,Zhao, Chenglong.,Liu, Lilu.,Zhang, Jienan.,...&Hu, Yong-Sheng.(2019).Building aqueous K-ion batteries for energy storage.NATURE ENERGY,4(6),495-503.
MLA Jiang, Liwei,et al."Building aqueous K-ion batteries for energy storage".NATURE ENERGY 4.6(2019):495-503.
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