ICCAS OpenIR
Electrochemical stability of lithium bis(oxatlato) borate containing solid polymer electrolyte for lithium ion batteries
Zhang, Ding1; Yana, Hui1; Zhu, Zhi1; Zhang, Huan2; Wang, Jian1; Qilu1
2011-12-01
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
Volume196Issue:23Pages:10120-10125
AbstractThe electrochemical stability of lithium bis(oxatlato) borate (LiBOB) containing solid polymer electrolyte has been evaluated both by inert electrode and real cathodes. Enhanced intrinsic anodic stability and decreased interface impedance, are obtained by addition of nano-sized MgO to PEO(20)-LiBOB. It is also found that the LiBOB-containing SPEs exhibit prominent kinetic stability between 3.0 and 4.5 V. For cells using SPEs as the separators, good cycling performance is obtained for real 4V class cathodes material LiNi(1/3)Co(1/3)Mn(1/3)O(2) and LiCoO(2). The Li vertical bar PEO(20)-LiBOB vertical bar LiNi(1/3)CO(1/3)Mn(1/3)O(2) cell takes an initial capacity of 156.8 mAh g(-1), with retention of 142.5 mAh g(-1) after 20 cycles at 0.2C-rate. The cell also works well up to 1C-rate. The addition of nano-sized MgO into PEO(20)-LiBOB readily reduces the irreversible capacity per cycle, both for LiNi(1/3)Co(1/3)Mn(1/3)O(2) and LiCoO(2) cathodes. In addition, the critical role of LiBOB in obtaining kinetic stability and passivating ability towards cathodes are specially discussed. (C) 2011 Elsevier B.V. All rights reserved.
KeywordSolid Polymer Electrolyte Electrochemical Stability Poly(Ethylene Oxide) Lithium Bis(Oxatlato) Borate Magnesium Oxide
DOI10.1016/j.jpowsour.2011.07.056
Indexed BySCI
Language英语
WOS IDWOS:000296216600037
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72604
Collection中国科学院化学研究所
Corresponding AuthorQilu
Affiliation1.Peking Univ, Beijing Natl Lab Mol Sci, Inst Appl Chem, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.2 CITIC GUOAN MGL Co, Beijing 102200, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Ding,Yana, Hui,Zhu, Zhi,et al. Electrochemical stability of lithium bis(oxatlato) borate containing solid polymer electrolyte for lithium ion batteries[J]. JOURNAL OF POWER SOURCES,2011,196(23):10120-10125.
APA Zhang, Ding,Yana, Hui,Zhu, Zhi,Zhang, Huan,Wang, Jian,&Qilu.(2011).Electrochemical stability of lithium bis(oxatlato) borate containing solid polymer electrolyte for lithium ion batteries.JOURNAL OF POWER SOURCES,196(23),10120-10125.
MLA Zhang, Ding,et al."Electrochemical stability of lithium bis(oxatlato) borate containing solid polymer electrolyte for lithium ion batteries".JOURNAL OF POWER SOURCES 196.23(2011):10120-10125.
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