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Polyethylene Glycol-Na+ Interface of Vanadium Hexacyanoferrate Cathode for Highly Stable Rechargeable Aqueous Sodium-Ion Battery
Jiang, Ping1,2,5; Lei, Zhenyu1; Chen, Liang2; Shao, Xuecheng4; Liang, Xinmiao1; Zhang, Jun2; Wang, Yanchao4; Zhang, Jiujun3; Liu, Zhaoping2; Feng, Jiwen1
2019-08-14
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume11Issue:32Pages:28762-28768
AbstractVanadium hexacyanoferrate (VHCF) with an open-framework crystal structure is a promising cathode material for rechargeable aqueous metal-ion batteries owing to its high electrochemical performance and easy synthesis. In this paper, vanadium hexacyanoferrate cathodes were first used for constructing rechargeable aqueous sodium-ion batteries (VHCF/WO3) and tested in the new-type electrolyte (NaP-4.6) consisting of a polyethylene glycol (PEG)/H2O/NaClO4 electrolyte with a low H+ concentration (molar ratio of [H2O]/[Na+] is 4.6), which has high stability at a high current density as high as 1000 mA g(-1) with a capacity retention of 90.3% after 2000 cycles at high coulombic efficiency (above 97.8%). To understand their outstanding performance, the proton-assisted sodium-ion storage mechanism and interphase chemistry of VHCF are investigated by solid-state NMR (ssNMR) technology. It is suggested that the H+ storage reaction is accompanied by the redox of vanadium atoms and Na+ intercalation is accompanied by the redox of iron atoms. It is also observed that the complex of polyethylene glycol (PEG) with Na+ (PEG-Na+) exists on the VHCF surface, which facilitates the stability of VHCF and promotes the alkali-ion transfer at a high current density. The results of the ssNMR study offer new insights into the intercalation chemistry of Prussian blue analogues with open-framework-structured compounds, which can greatly broaden our horizons for battery research.
KeywordVanadium hexacyanoferrate Solid electrolyte interphase Solid-state NMR Aqueous rechargeable sodium-ion battery
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
DOI10.1021/acsami.9b04849
WOS KeywordENERGY-STORAGE ; STABILITY ; PERFORMANCE
Language英语
Funding ProjectNational Natural Science Foundation of China ; Youth Innovation Promotion Association CAS
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000481567100017
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.apm.ac.cn/handle/112942/14844
Collection中国科学院武汉物理与数学研究所
Corresponding AuthorZhang, Jiujun; Liu, Zhaoping; Feng, Jiwen
Affiliation1.Chinese Acad Sci, Wuhan Inst Phys & Math, Wuhan 430071, Hubei, Peoples R China
2.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
3.Shanghai Univ, Coll Sci, Inst Sustainable Energy, Shanghai 200444, Peoples R China
4.Jilin Univ, Coll Phys, State Key Lab Superhard Mat, Changchun 130012, Jilin, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100000, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Ping,Lei, Zhenyu,Chen, Liang,et al. Polyethylene Glycol-Na+ Interface of Vanadium Hexacyanoferrate Cathode for Highly Stable Rechargeable Aqueous Sodium-Ion Battery[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(32):28762-28768.
APA Jiang, Ping.,Lei, Zhenyu.,Chen, Liang.,Shao, Xuecheng.,Liang, Xinmiao.,...&Feng, Jiwen.(2019).Polyethylene Glycol-Na+ Interface of Vanadium Hexacyanoferrate Cathode for Highly Stable Rechargeable Aqueous Sodium-Ion Battery.ACS APPLIED MATERIALS & INTERFACES,11(32),28762-28768.
MLA Jiang, Ping,et al."Polyethylene Glycol-Na+ Interface of Vanadium Hexacyanoferrate Cathode for Highly Stable Rechargeable Aqueous Sodium-Ion Battery".ACS APPLIED MATERIALS & INTERFACES 11.32(2019):28762-28768.
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