Journal
MATERIALS EXPRESS
Volume 9, Issue 9, Pages 993-1000Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/mex.2019.1589
Keywords
Well-Aligned BaTiO3 Nanofibers; Solution Blow Spinning; Composite Solid-State Electrolyte
Funding
- State Key Laboratory of Electrical Insulation and Power Equipment [EIPE18313]
- National Natural Science Foundation of China [NSFC-51772241, NSFC-51707151]
- Key Research Program of Shaanxi Province [2017ZDXM-GY-035]
- Young Talent Support Plan of Xi'an Jiaotong University [DQ1J006]
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In this work, an efficient and simple solution blow spinning method for preparing well-aligned nanofibers was proposed. Compared with common electrospinning, this method is more promising for scalable fabrication because of fewer process requirements. Through this method, well aligned BaTiO3 nanofibers were fabricated, and their average diameter was about 300 nm. When introducing PEO and LiTFSI ionic conductive polymer composites into the aligned BaTiO3 nanofibers membrane, a composite solid-state polymer electrolyte was obtained. The excellent structure for the electrolyte was also analyzed and its electrochemical performance was tested. Results showed that the lithium ionic conductivity at 30 degrees C increased from 5.74 x 10(-6) S.CM-1 to 5.83 x 10(-5) S.cm(-1) with addition of aligned BaTiO3 nanofibers, and its thermal and electrochemical stability were all significantly improved.
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