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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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Mckenzie, Kevin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2022Sustainable conversion of biomass to rationally designed lithium-ion battery graphite.citations
- 2020METHODS AND SYSTEMS FOR THE PRODUCTION OF CRYSTALLINE FLAKE GRAPHITE FROM BIOMASS OR OTHER CARBONACEOUS MATERIALS
- 2018Sustainable conversion of lignocellulose to high-purity, highly crystalline flake potato graphite.citations
- 2017Sustainable, Inexpensive Synthesis of High Purity Graphite from Biomass with Excellent Performance in Li-Ion Battery Anodes
- 2016A Silicon Hollow Graphene Nanoshell Li-Ion Anode Composite Material
- 2016Synthetic Variations of Hollow Graphene Nanoshells for Li-Ion Battery Anode
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article
Sustainable conversion of lignocellulose to high-purity, highly crystalline flake potato graphite.
Abstract
The carbon net negative conversion of biochar, the byproduct of pyrolysis bio-oil production from biomass, to very high-purity (99.95%), highly crystalline flake graphite that is essentially indistinguishable from high-grade commercial Li-ion grade graphite, is reported. The flake size of the graphite is determined by the physical dimensions of the metal particles imbedded in the biochar, demonstrated in the range of micrometers to millimeters. “Potato”-shaped agglomerates of graphite flakes result when the flake diameter is in the 1–5 μm range. The process is shown to work with a variety of biomass, including raw lignocellulose (sawdust, wood flour, and corn cob) and biomass components (cellulose and lignin), as well as lignite. The synthesis is extremely rapid and energy efficient (0.25 kg/kWh); the graphite is produced with a very high yield (95.7%), and the energy content of its coproduct, bio-oil, exceeds that needed to power the process. The demonstrated process is a tremendous advance in the sustai...