Ionic conductivity and diffusion coefficient studies of PVdF–HFP polymer electrolytes prepared using phase inversion technique
A novel polymer membrane comprising poly(vinylidene difluoride hexafluoropropylene) (PVdF–HFP) copolymer was prepared by phase inversion technique with two different nonsolvents. The membranes were gelled in an electrolyte solution of 1 M of LiPF 6 in EC/DMC and were subjected to a.c. impedance anal...
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| Veröffentlicht in: | Solid state ionics 2002-06, Vol.148 (3), p.475-481 |
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| creator | Manuel Stephan, A Saito, Yuria |
| description | A novel polymer membrane comprising poly(vinylidene difluoride hexafluoropropylene) (PVdF–HFP) copolymer was prepared by phase inversion technique with two different nonsolvents. The membranes were gelled in an electrolyte solution of 1 M of LiPF
6 in EC/DMC and were subjected to a.c. impedance analysis at temperatures ranging from −30 to 70 °C. The films were characterized by SEM, adsorption/desorption, NMR spectroscopy and charge–discharge studies. The morphology, pore diameter, pore volume, and the ionic conductivity of the films varied greatly with the nonsolvent. The diffusion coefficients of
7Li and
19F ionic species were separately identified using the pulsed-field gradient NMR (PFG-NMR) and the results are discussed. The morphology and other physical properties of the films are correlated with the structure of the nonsolvent used. |
| doi_str_mv | 10.1016/S0167-2738(02)00090-5 |
| format | Article |
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6 in EC/DMC and were subjected to a.c. impedance analysis at temperatures ranging from −30 to 70 °C. The films were characterized by SEM, adsorption/desorption, NMR spectroscopy and charge–discharge studies. The morphology, pore diameter, pore volume, and the ionic conductivity of the films varied greatly with the nonsolvent. The diffusion coefficients of
7Li and
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6 in EC/DMC and were subjected to a.c. impedance analysis at temperatures ranging from −30 to 70 °C. The films were characterized by SEM, adsorption/desorption, NMR spectroscopy and charge–discharge studies. The morphology, pore diameter, pore volume, and the ionic conductivity of the films varied greatly with the nonsolvent. The diffusion coefficients of
7Li and
19F ionic species were separately identified using the pulsed-field gradient NMR (PFG-NMR) and the results are discussed. The morphology and other physical properties of the films are correlated with the structure of the nonsolvent used.</description><subject>Applied sciences</subject><subject>Diffusion coefficient</subject><subject>Direct energy conversion and energy accumulation</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electrochemical conversion: primary and secondary batteries, fuel cells</subject><subject>Exact sciences and technology</subject><subject>Ionic conductivity</subject><subject>Phase inversion</subject><subject>Pore diameter</subject><issn>0167-2738</issn><issn>1872-7689</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFkN9qVDEQh4NYcK19BCE3il4cTXL-JOdKpHRtoWChpbchTiY2cjY5JjkLe9d38A19ErO7RS-9mRDmm_kxHyGvOfvAGR8-3tYiGyFb9Y6J94yxkTX9M7LiSopGDmp8TlZ_kRfkZc4_KjS0aliRx6sYPFCIwS5Q_NaXHTXBUuudW7KPobbQOQ8eQ6G5LNZjptHRm3u7_v3463J9Q-c47TaYKE4IJdVPqciccDYJLa1bwnc6P5iM1IctpsPWgvAQ_M8FX5ETZ6aMZ0_vKblbX9ydXzbXX79cnX--bqAdVGlGVBwVsIF11tZihBhc2yo2tgZk2wnhFB8HC_ANO6OUGm1ne3DKiZ4x3p6St8e1c4o1NRe98RlwmkzAuGQtZC8ZF10F-yMIKeac0Ok5-Y1JO82Z3uvWB91671IzoQ-6dV_n3jwFmAxmcskE8PnfcL1CSSkr9-nIYT126zHpvHcLaH2q-rSN_j9JfwBZS5e0</recordid><startdate>20020601</startdate><enddate>20020601</enddate><creator>Manuel Stephan, A</creator><creator>Saito, Yuria</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20020601</creationdate><title>Ionic conductivity and diffusion coefficient studies of PVdF–HFP polymer electrolytes prepared using phase inversion technique</title><author>Manuel Stephan, A ; Saito, Yuria</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-9e81e8c0604dd604a226f338093ac73422f8196dccbe4a8889d4d5cf8f250013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Applied sciences</topic><topic>Diffusion coefficient</topic><topic>Direct energy conversion and energy accumulation</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electrochemical conversion: primary and secondary batteries, fuel cells</topic><topic>Exact sciences and technology</topic><topic>Ionic conductivity</topic><topic>Phase inversion</topic><topic>Pore diameter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Manuel Stephan, A</creatorcontrib><creatorcontrib>Saito, Yuria</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Solid state ionics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Manuel Stephan, A</au><au>Saito, Yuria</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ionic conductivity and diffusion coefficient studies of PVdF–HFP polymer electrolytes prepared using phase inversion technique</atitle><jtitle>Solid state ionics</jtitle><date>2002-06-01</date><risdate>2002</risdate><volume>148</volume><issue>3</issue><spage>475</spage><epage>481</epage><pages>475-481</pages><issn>0167-2738</issn><eissn>1872-7689</eissn><coden>SSIOD3</coden><abstract>A novel polymer membrane comprising poly(vinylidene difluoride hexafluoropropylene) (PVdF–HFP) copolymer was prepared by phase inversion technique with two different nonsolvents. The membranes were gelled in an electrolyte solution of 1 M of LiPF
6 in EC/DMC and were subjected to a.c. impedance analysis at temperatures ranging from −30 to 70 °C. The films were characterized by SEM, adsorption/desorption, NMR spectroscopy and charge–discharge studies. The morphology, pore diameter, pore volume, and the ionic conductivity of the films varied greatly with the nonsolvent. The diffusion coefficients of
7Li and
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Diffusion coefficient Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Exact sciences and technology Ionic conductivity Phase inversion Pore diameter |
| title | Ionic conductivity and diffusion coefficient studies of PVdF–HFP polymer electrolytes prepared using phase inversion technique |
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