A foaming process to prepare porous polymer membrane for lithium ion batteries

Z. H. Li; C. Cheng; X. Y. Zhan; Y. P. Wu; X. D. Zhou

doi:10.1016/j.electacta.2009.03.016

A foaming process to prepare porous polymer membrane for lithium ion batteries

Z. H. Li, C. Cheng, X. Y. Zhan, Y. P. Wu, X. D. Zhou

科研成果: 期刊稿件 › 文章 › 同行评审

53 引用（Scopus）

摘要

A foaming process was used to prepare porous polymer membranes (PPMs) based on poly(vinylidene diflouride-co-hexafluoropropylene) copolymer for lithium ion batteries. In this simple process, urea, the foaming agent, was decomposed into gases and was removed at an elevated temperature to get the porous structure within the polymer matrix. When the weight ratio of urea to P(VDF-HFP) is 5:6, the PPM presents the highest porosity, 70.2%, and the prepared gelled polymer electrolyte shows an ionic conductivity up to 1.43 × 10^-3 S cm^-1 at room temperature. This provides another way to prepare gelled polymer electrolytes easily for application in rechargeable lithium batteries.

源语言	英语
页（从-至）	4403-4407
页数	5
期刊	Electrochimica Acta
卷	54
期	18
DOI	https://doi.org/10.1016/j.electacta.2009.03.016
出版状态	已出版 - 15 7月 2009
已对外发布	是

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abstract = "A foaming process was used to prepare porous polymer membranes (PPMs) based on poly(vinylidene diflouride-co-hexafluoropropylene) copolymer for lithium ion batteries. In this simple process, urea, the foaming agent, was decomposed into gases and was removed at an elevated temperature to get the porous structure within the polymer matrix. When the weight ratio of urea to P(VDF-HFP) is 5:6, the PPM presents the highest porosity, 70.2%, and the prepared gelled polymer electrolyte shows an ionic conductivity up to 1.43 × 10-3 S cm-1 at room temperature. This provides another way to prepare gelled polymer electrolytes easily for application in rechargeable lithium batteries.",

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AU - Li, Z. H.

AU - Cheng, C.

AU - Zhan, X. Y.

AU - Wu, Y. P.

AU - Zhou, X. D.

PY - 2009/7/15

Y1 - 2009/7/15

N2 - A foaming process was used to prepare porous polymer membranes (PPMs) based on poly(vinylidene diflouride-co-hexafluoropropylene) copolymer for lithium ion batteries. In this simple process, urea, the foaming agent, was decomposed into gases and was removed at an elevated temperature to get the porous structure within the polymer matrix. When the weight ratio of urea to P(VDF-HFP) is 5:6, the PPM presents the highest porosity, 70.2%, and the prepared gelled polymer electrolyte shows an ionic conductivity up to 1.43 × 10-3 S cm-1 at room temperature. This provides another way to prepare gelled polymer electrolytes easily for application in rechargeable lithium batteries.

AB - A foaming process was used to prepare porous polymer membranes (PPMs) based on poly(vinylidene diflouride-co-hexafluoropropylene) copolymer for lithium ion batteries. In this simple process, urea, the foaming agent, was decomposed into gases and was removed at an elevated temperature to get the porous structure within the polymer matrix. When the weight ratio of urea to P(VDF-HFP) is 5:6, the PPM presents the highest porosity, 70.2%, and the prepared gelled polymer electrolyte shows an ionic conductivity up to 1.43 × 10-3 S cm-1 at room temperature. This provides another way to prepare gelled polymer electrolytes easily for application in rechargeable lithium batteries.

KW - Foaming agent

KW - Gelled polymer electrolyte

KW - Porous polymer membrane

KW - Rechargeable lithium battery

KW - Urea

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A foaming process to prepare porous polymer membrane for lithium ion batteries

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