| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Gören, A.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2019Theoretical simulation of the optimal relation between active material, binder and conductive additive for lithium-ion battery cathodescitations
- 2018Improved electrochemical performance of rare earth doped LiMn <inf>1.5-x</inf> Ni <inf>0.5</inf> RE <inf>x</inf> O <inf>4</inf> based composite cathodes for lithium-ion batteriescitations
- 2017Preparation of Poly(vinylidene fluoride) Lithium-Ion Battery Separators and Their Compatibilization with Ionic Liquid – A Green Solvent Approachcitations
- 2017Synthesis and improved electrochemical performance of LiMn <inf>2 – x</inf> Gd <inf>x</inf> O <inf>4</inf> based cathodescitations
- 2016Optimization of filler type within poly(vinylidene fluoride-co-trifluoroethylene) composite separator membranes for improved lithium-ion battery performancecitations
- 2016Effect of cyano dipolar groups on the performance of lithium-ion battery electrospun polyimide gel electrolyte membranescitations
- 2016High performance screen printable lithium-ion battery cathode ink based on C-LiFePO<inf>4</inf>citations
- 2016Improved performance of rare earth doped LiMn <inf>2</inf> O <inf>4</inf> cathodes for lithium-ion battery applicationscitations
- 2016Influence of Solvent Evaporation Rate in the Preparation of Carbon-Coated Lithium Iron Phosphate Cathode Films on Battery Performancecitations
- 2016Influence of fluoropolymer binders on the electrochemical performance of C-LiFePO<inf>4</inf> based cathodescitations
- 2015Effect of the degree of porosity on the performance of poly(vinylidene fluoride-trifluoroethylene)/poly(ethylene oxide) blend membranes for lithium-ion battery separatorscitations
- 2015State of the art and open questions on cathode preparation based on carbon coated lithium iron phosphatecitations
Places of action
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article
Effect of the degree of porosity on the performance of poly(vinylidene fluoride-trifluoroethylene)/poly(ethylene oxide) blend membranes for lithium-ion battery separators
Abstract
Porous polymer membranes based on poly(vinylidene fluoride-trifluoroethylene)/poly(ethylene oxide) copolymers, P(VDF-TrFE)/PEO, are prepared through elimination (from partial to total) of PEO, leading to interconnected micropores in the polymer blends. Electrolyte uptake, thermal and mechanical properties depend on the amount of PEO present in the polymer blend. Further, the degree of crystallinity of PEO and the elastic modulus (E') of the polymer blend decrease with increasing PEO removal. Electrical properties of the polymer blend membranes are influenced by the porosity and are dominated by diffusion. The temperature dependence of the ionic conductivity follows the Arrhenius behavior. The ionic conductivity is the highest for the membranes with a volume fraction of pores of 44% (i.e., 90% PEO removal), reaching a value of 034 mS cm(-1) at room temperature. Battery performance was determined by assembling Li/C-LiFePO4 swagelok cells. The polymer blends with 90% PEO removal exhibit rate (124 mAhg(-1) at C/5 and 47 mAhg(-1) at 2C) and cycling capabilities suitable for lithium ion battery applications. ; JLGR acknowledges the support of the Ministerio de Economia y Competitividad, MINECO, through the MAT2013-46467-C4-1-R project (including FEDER financial support). CIBER-BBN is an initiative funded by the VI National R&D&i Plan 2008-2011, Iniciativa Ingenio 2010, Consolider Program, CIBER Actions and financed by the Instituto de Salud Carlos III with assistance from the European Regional Development Fund. ; Gören, A.; Costa, CM.; Tamaño Machiavello, MN.; Cintora-Juarez, D.; Nunes-Pereira, J.; Tirado, J.; Silva, MM. (2015). Effect of the degree of porosity on the performance of poly(vinylidene fluoride-trifluoroethylene)/poly(ethylene oxide) blend membranes for lithium-ion battery separators. Solid State Ionics. 280:1-9. https://doi.org/10.1016/j.ssi.2015.08.003 ; 1 ; 9 ; 280