Poly(dimethylsiloxane) hybrid gel polymer electrolytes of a porous structure for lithium ion battery

Chih Hao Tsao, Ping Lin Kuo

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A porous fabric membrane (XSAE) was prepared from the crosslinked hybrid composite of poly(dimethylsiloxane)/polyacrylonitrile/poly(ethylene oxide) (PDMS/PAN/PEO) to simultaneously act as a separator and functionalized gel polymer electrolytes (GPEs). The porous structure enables hybrid membranes (XSAE) to absorb a large amount of electrolyte solution, thereby significantly increases the performance of GPEs. The addition of PDMS induces phase segregation to form a porous morphology and deteriorates the crystallization of PAN. Owing to these effects, the ionic conductivity of the gel hybrid membrane at room temperature more than doubled, and the lithium transport number increased from 0.41 up to 0.58. Compared with a composite membrane without PDMS (XAE), the battery application half-cell capacities of both XAE and XSAE were close to 150mAhg-1 at 0.1C. However, at high C rate (3C), the capacities of composite membranes with PDMS (PDMS/PAN/PEO) can reach 114mAhg-1, significantly higher than that without PDMS (70mAhg-1). Moreover, the aforementioned properties of the XSAE membrane allow this composite to act as both an ionic conductor and separator.

Original languageEnglish
Pages (from-to)36-42
Number of pages7
JournalJournal of Membrane Science
Volume489
DOIs
Publication statusPublished - 2015 Sep 1

Fingerprint

Polydimethylsiloxane
Lithium
Electrolytes
electric batteries
Polymers
Gels
lithium
electrolytes
gels
Ions
membranes
Membranes
polyacrylonitrile
Composite membranes
Polyacrylonitriles
polymers
Polyethylene oxides
Separators
Ethylene Oxide
ions

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

Cite this

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title = "Poly(dimethylsiloxane) hybrid gel polymer electrolytes of a porous structure for lithium ion battery",
abstract = "A porous fabric membrane (XSAE) was prepared from the crosslinked hybrid composite of poly(dimethylsiloxane)/polyacrylonitrile/poly(ethylene oxide) (PDMS/PAN/PEO) to simultaneously act as a separator and functionalized gel polymer electrolytes (GPEs). The porous structure enables hybrid membranes (XSAE) to absorb a large amount of electrolyte solution, thereby significantly increases the performance of GPEs. The addition of PDMS induces phase segregation to form a porous morphology and deteriorates the crystallization of PAN. Owing to these effects, the ionic conductivity of the gel hybrid membrane at room temperature more than doubled, and the lithium transport number increased from 0.41 up to 0.58. Compared with a composite membrane without PDMS (XAE), the battery application half-cell capacities of both XAE and XSAE were close to 150mAhg-1 at 0.1C. However, at high C rate (3C), the capacities of composite membranes with PDMS (PDMS/PAN/PEO) can reach 114mAhg-1, significantly higher than that without PDMS (70mAhg-1). Moreover, the aforementioned properties of the XSAE membrane allow this composite to act as both an ionic conductor and separator.",
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Poly(dimethylsiloxane) hybrid gel polymer electrolytes of a porous structure for lithium ion battery. / Tsao, Chih Hao; Kuo, Ping Lin.

In: Journal of Membrane Science, Vol. 489, 01.09.2015, p. 36-42.

Research output: Contribution to journalArticle

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