ICCAS OpenIR
Influences of phase structure on room temperature conductivity of polyethylene oxide/succinonitrile/lithium perchlorate composite electrolytes
Yue Rui-Juan1,2; Niu Yan-Hua1; Wang Zhi-Gang1
2008-06-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume29Issue:6Pages:1282-1284
AbstractThe polyethylene oxide/succinonitrile/lithium perchlorate ( PEO/SN/LiClO4) composite electrolytes with different PEO/SN molar ratios were prepared and their room temperature(RT) ionic conductivities were detected. The influences of phase structure and morphology on ionic conductivity of composite electrolytes were characterized via wide-angle X-ray diffraction and polarized optical microscopy. The results show that with addition of PEO, the spherulitic morphology for plastic crystal phase of SN gradually disappears and the liquid phase of SN as a plasticizer role to PEO starts to appear, which is beneficial to the enhancement of RT ionic conductivity, thus the PEO/SN/LiClO4 (Molar ratio 50/45/5) sample shows the highest RT ionic conductivity of 1.5 x 10(-3) S/cm. With PEO molar fraction above 50%, the RT ionic conductivity of composite electrolytes decreases due to increasing crystallinity of PEO.
KeywordPolyethylene Oxide(Peo) Succinonitrile Composite Electrolyte Conductivity Phase Structure
Indexed BySCI
Language英语
WOS IDWOS:000257176300044
PublisherHIGHER EDUCATION PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63548
Collection中国科学院化学研究所
Corresponding AuthorWang Zhi-Gang
Affiliation1.Chinese Acad Sci, Inst Chem, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yue Rui-Juan,Niu Yan-Hua,Wang Zhi-Gang. Influences of phase structure on room temperature conductivity of polyethylene oxide/succinonitrile/lithium perchlorate composite electrolytes[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2008,29(6):1282-1284.
APA Yue Rui-Juan,Niu Yan-Hua,&Wang Zhi-Gang.(2008).Influences of phase structure on room temperature conductivity of polyethylene oxide/succinonitrile/lithium perchlorate composite electrolytes.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,29(6),1282-1284.
MLA Yue Rui-Juan,et al."Influences of phase structure on room temperature conductivity of polyethylene oxide/succinonitrile/lithium perchlorate composite electrolytes".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 29.6(2008):1282-1284.
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