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Activating C-Coordinated Iron of Iron Hexacyanoferrate for Zn Hybrid-Ion Batteries with 10 000-Cycle Lifespan and Superior Rate Capability
Yang, Qi1; Mo, Funian1; Liu, Zhuoxin1; Ma, Longtao1; Li, Xinliang1; Fang, Daliang2; Chen, Shimou2; Zhang, Suojiang2; Zhi, Chunyi1,3
2019-08-01
Source PublicationADVANCED MATERIALS
ISSN0935-9648
Volume31Issue:32Pages:9
AbstractPrussian blue analogue (PBA)-type metal hexacyanoferrates are considered as significant cathodes for zinc batteries (ZBs). However, these PBA-type cathodes, such as cyanogroup iron hexacyanoferrate (FeHCF), suffer from ephemeral lifespan (<= 1000 cycles), and inferior rate capability (1 A g(-1)). This is because the redox active sites of multivalent iron (Fe(III/II)) can only be very limited activated and thus utilized. This is attributed to the spatial resistance caused by the compact cooperation interaction between Fe and the surrounded cyanogroup, and the inferior conductivity. Here, it is found that high-voltage scanning can effectively activate the C-coordinated Fe in FeHCF cathode in ZBs. Thanks to this activation, the Zn-FeHCF hybrid-ion battery achieves a record-breaking cycling performance of 5000 (82% capacity retention) and 10 000 cycles (73% capacity retention), respectively, together with a superior rate capability of maintaining 53.2% capacity at superhigh current density of 8 A g(-1) (approximate to 97 C). The reversible distortion and recovery of the crystalline structure caused by the (de)insertion of zinc and lithium ions is revealed. It is believed that this work represents a substantial advance on PBA electrode materials and may essentially promote application of PBA materials.
Keywordactivation C-coordinated Fe Prussian blue analogue ultralong lifespan zinc hybrid-ion batteries
DOI10.1002/adma.201901521
Language英语
WOS KeywordCOPPER HEXACYANOFERRATE ; TRANSFORMATION ; NATI2(PO4)(3) ; NANOSHEETS ; CATHODE
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000484239200008
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30740
Collection中国科学院过程工程研究所
Corresponding AuthorChen, Shimou; Zhang, Suojiang; Zhi, Chunyi
Affiliation1.City Univ Hong Kong, Dept Mat Sci & Engn, 83 Tat Chee Ave, Hong Kong 999077, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
3.City Univ Hong Kong, Shenzhen Res Inst, Shenzhen 518057, Peoples R China
Recommended Citation
GB/T 7714
Yang, Qi,Mo, Funian,Liu, Zhuoxin,et al. Activating C-Coordinated Iron of Iron Hexacyanoferrate for Zn Hybrid-Ion Batteries with 10 000-Cycle Lifespan and Superior Rate Capability[J]. ADVANCED MATERIALS,2019,31(32):9.
APA Yang, Qi.,Mo, Funian.,Liu, Zhuoxin.,Ma, Longtao.,Li, Xinliang.,...&Zhi, Chunyi.(2019).Activating C-Coordinated Iron of Iron Hexacyanoferrate for Zn Hybrid-Ion Batteries with 10 000-Cycle Lifespan and Superior Rate Capability.ADVANCED MATERIALS,31(32),9.
MLA Yang, Qi,et al."Activating C-Coordinated Iron of Iron Hexacyanoferrate for Zn Hybrid-Ion Batteries with 10 000-Cycle Lifespan and Superior Rate Capability".ADVANCED MATERIALS 31.32(2019):9.
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