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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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Hollenkamp, Anthony
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2022Sustainable cyanide-C60 fullerene cathode to suppress the lithium polysulfides in a lithium-sulfur batterycitations
- 2022Coating Methods
- 2021Long-Life Power Optimised Lithium-ion Energy Storage Device
- 2021Comparing Physico-, Electrochemical and Structural Properties of Boronium vs Pyrrolidinium Cation Based Ionic Liquids and Their Performance as Li-ion Battery Electrolytescitations
- 2021Conjugated Microporous Polycarbazole-Sulfur Cathode Used in a Lithium-Sulfur Battery
- 2020In situ synchrotron XRD and sXAS studies on Li-S batteries with ionic-liquid and organic electrolytescitations
- 2019Electrochemically controlled deposition of ultrathin polymer electrolyte on complex microbattery electrode architecturescitations
- 2019Organic salts utilising the hexamethylguanidinium cation: the influence of the anion on the structural, physical and thermal propertiescitations
- 2018From Lithium Metal to High Energy Batteries
- 2018Integrating polymer electrolytes: A step closer to 3D-Microbatteries for MEMS
- 2017Electrochemistry of Lithium in Ionic Liquids - Working With and Without a Solid Electrolyte Interphase
- 2017A step closer to 3D-Microbatteries for sensors: integrating polymer electrolytes
- 2016Optimising the concentration of LiNO3 additive in C4mpyr-TFSI electrolyte-based Li-S batterycitations
- 2015S/PPy composite cathodes for Li-S batteries prepared by facile in-situ 2-step electropolymerisation process
- 2015Ionic transport through a composite structure of N-ethyl-N-methylpyrrolidinium tetrafluoroborate organic ionic plastic crystals reinforced with polymer nanofibrescitations
- 2013Extensive charge-discharge cycling of lithium metal electrodes achieved using ionic liquid electrolytescitations
- 2012Corrosion in amine post combustion capture plants
- 2010The influence of conductive additives and inter-particle voids in carbon EDLC electrodescitations
- 2010In situ NMR Observation of the Formation of Metallic Lithium Microstructures in Lithium Batteriescitations
- 2010Ionic Liquids with the Bis(fluorosulfonyl)imide (FSI) anion: Electrochemical properties and applications in battery technologycitations
Places of action
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article
Conjugated Microporous Polycarbazole-Sulfur Cathode Used in a Lithium-Sulfur Battery
Abstract
The electropolymerization of Conjugated Microporous Poly-1,3,5-tris (N-carbazolyl) benzene (CMPTCBz) was investigated using a range of techniques. After the potential window was optimized for the electropolymerization process, a fixed potential was found to generate a CMPTCBz with minimal overoxidation and a high BET surface area. The CMPTCBz was mixed with sulfur and used in the optimized preparation of CMPTCBz-S cathodes. Coin cells were assembled with lithium metal used as the anode and electrochemically evaluated. Results showed that the CMPTCBz-S cathodes with different sulfur loadings have excellent charge/ discharge cycling performance with initial discharge capacities ranging from 800 to 1400 mAh·g−1S and a capacity retention greater than 80% after 100 cycles. This is due to both the enhanced electrical conductivity of the cathode and physical confinement of the generated lithium-polysulfides inside the pores of the CMPTCBz. In a further experiment, a high sulfur loaded CMPTCBz-S cathode produced an initial discharge capacity of 548 mAh·g−1S and a capacity retention of 95% after 100 cycles using an organic electrolyte. Analysis using XPS showed that the sulfur to polysulfide conversion coupled with the dual functionality of the CMPTCBz in retaining the generated polysulfide are the key parameters for this superior performance