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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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Bonifazi, Davide
University of Vienna
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Surface Chemistry of a Halogenated Borazine: From Supramolecular Assemblies to a Random Covalent BN‐Substituted Carbon Network
- 2022Supramolecular Chalcogenâ€Bonded Semiconducting Nanoribbons at Work in Lighting Devicescitations
- 2022Supramolecular Chalcogen-Bonded Semiconducting Nanoribbons at Work in Lighting Devicescitations
- 2022Supramolecular Chalcogen-Bonded Semiconducting Nanoribbons at Work in Lighting Devicescitations
- 2021BN-Doped Metal–Organic Frameworks:Tailoring 2D and 3D Porous Architectures through Molecular Editing of Borazinescitations
- 2021BN‐doped metal–organic frameworks: tailoring 2D and 3D porous architectures through molecular editing of borazinescitations
- 2019Kinked silicon nanowires: Superstructures by metal assisted chemical etchingcitations
- 2019Kinked Silicon Nanowires: Superstructures by Metal-Assisted Chemical Etchingcitations
- 2019Coverage-Controlled Polymorphism of H-Bonded Networks on Au(111)citations
- 2018A benzoxazine/substituted borazine composite coating: A new resin for improving the corrosion resistance of the pristine benzoxazine coating applied on aluminumcitations
- 2018Kinked silicon nanowires-enabled interweaving electrode configuration for lithium-ion batteriescitations
- 2018Kinked silicon nanowires-enabled interweaving electrode configuration for lithium-ion batteriescitations
- 2014Anomalous coarsening driven by reversible charge transfer at metal-organic interfacescitations
- 2013Azobenzene-based supramolecular polymers for processing MWCNTscitations
- 2013Magnetic poly(vinylpyridine)-coated carbon nanotubes: An efficient supramolecular tool for wastewater purificationcitations
- 2013Magnetic poly(vinylpyridine)-coated carbon nanotubes:An efficient supramolecular tool for wastewater purificationcitations
- 2013Anisotropically luminescent hydrogels containing magnetically-aligned MWCNTs-Eu(III) hybridscitations
- 2007Wet Adsorption of a Luminescent Eu(III)-complex on Carbon Nanotubes Sidewallscitations
- 2007Wet adsorption of a luminescent Eu III complex on carbon nanotubes sidewallscitations
Places of action
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article
Kinked silicon nanowires-enabled interweaving electrode configuration for lithium-ion batteries
Abstract
A tri-dimensional interweaving kinked silicon nanowires (k-SiNWs) assembly, with a Ni current collector co-integrated, is evaluated as electrode configuration for lithium ion batteries. The large-scale fabrication of k-SiNWs is based on a procedure for continuous metal assisted chemical etching of Si, supported by a chemical peeling step that enables the reuse of the Si substrate. The kinks are triggered by a simple, repetitive etch-quench sequence in a HF and H2O2-based etchant. We find that the inter-locking frameworks of k-SiNWs and multi-walled carbon nanotubes exhibit beneficial mechanical properties with a foam-like behavior amplified by the kinks and a suitable porosity for a minimal electrode deformation upon Li insertion. In addition, ionic liquid electrolyte systems associated with the integrated Ni current collector repress the detrimental effects related to the Si-Li alloying reaction, enabling high cycling stability with 80% capacity retention (1695 mAh/gSi) after 100 cycles. Areal capacities of 2.42 mAh/cm2 (1276 mAh/gelectrode) can be achieved at the maximum evaluated thickness (corresponding to 1.3 mgSi/cm2). This work emphasizes the versatility of the metal assisted chemical etching for the synthesis of advanced Si nanostructures for high performance lithium ion battery electrodes.