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Conformal poly(ethyl alpha-cyanoacrylate) nano-coating for improving the interface stability of LiNi0.5Mn1.5O4
Liu, Zhaolin1,2; Hu, Pu2,3,4; Ma, Jun2; Qin, Bingsheng2; Zhang, Zhongyi1; Mou, Chunbo1; Yao, Yan3,4; Cui, Guanglei2
2017-05-10
Source PublicationELECTROCHIMICA ACTA
Volume236Pages:221-227
AbstractUndesired interfacial reaction between the high voltage spinel LiNi0.5Mn1.5O4 and commercial organic electrolyte is one of the most essential obstacles for the application of cathode material LiNi0.5Mn1.5O4 in lithium-ion batteries (LIBs). Here, to amend the high voltage cathode/electrolyte interface of LiNi0.5Mn1.5O4, we proposed a conformal nano-coating strategy by in-situ polymerization of poly(ethyl alpha-cyanoacrylate (PECA) on its surface. The electrochemical measurement results demonstrated that the conformal PECA nano-coating film, acting as high voltage polymer electrolyte, transition metallic ions blocking layer, and buffer layer against electrolyte erosion and particle cracks, can successfully decrease polarization and enhance capacity retention during cycling of LiNi0.5Mn1.5O4. This work will inspire extensive and intensive research on the interface modification of LIBs. (C) 2017 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordLithium-ion Battery Interface Conformal Coating Polymer Electrolyte High Voltage Cathode
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2017.03.168
WOS KeywordLITHIUM-ION BATTERIES ; SULFONE-BASED ELECTROLYTES ; HIGH-VOLTAGE ; POLYMER ELECTROLYTE ; ELECTROCHEMICAL PERFORMANCES ; ENHANCED PERFORMANCE ; CATHODE MATERIALS ; SPINEL ; CHEMISTRY ; SULFOLANE
Indexed BySCI
Language英语
WOS Research AreaElectrochemistry
Funding Organization"135" Projects Fund of CAS-QIBEBT Director Innovation Foundation ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDA09010105) ; Shandong Provincial Natural Science Foundation(BS2015CL006 ; National Natural Science Foundation of China(51502319) ; Think-Tank Mutual Fund of Qingdao Energy Storage Industry Scientific Research ; Qingdao Key Lab of Solar Energy Utilization & Energy Storage Technology ; ZR2015BM002)
WOS SubjectElectrochemistry
WOS IDWOS:000401110200024
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9698
Collection仿生与固态能源系统研究组
Affiliation1.Qingdao Univ, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Ind Energy Storage Res Inst, Qingdao 266101, Peoples R China
3.Univ Houston, Dept Elect & Comp Engn, Houston, DC 77204 USA
4.Univ Houston, Mat Sci & Engn Program, Houston, DC 77204 USA
Recommended Citation
GB/T 7714
Liu, Zhaolin,Hu, Pu,Ma, Jun,et al. Conformal poly(ethyl alpha-cyanoacrylate) nano-coating for improving the interface stability of LiNi0.5Mn1.5O4[J]. ELECTROCHIMICA ACTA,2017,236:221-227.
APA Liu, Zhaolin.,Hu, Pu.,Ma, Jun.,Qin, Bingsheng.,Zhang, Zhongyi.,...&Cui, Guanglei.(2017).Conformal poly(ethyl alpha-cyanoacrylate) nano-coating for improving the interface stability of LiNi0.5Mn1.5O4.ELECTROCHIMICA ACTA,236,221-227.
MLA Liu, Zhaolin,et al."Conformal poly(ethyl alpha-cyanoacrylate) nano-coating for improving the interface stability of LiNi0.5Mn1.5O4".ELECTROCHIMICA ACTA 236(2017):221-227.
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