Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 27, Pages 14584-14592Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b00299
Keywords
nanocelullose; titanium dioxide; mineralization; TiO2/C composite; electrochemistry
Funding
- Institute Charles Gerhardt
- Pole Balard
- Labex ChemMISyst
- Institut Carnot Chimie Balard
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Nanostructured TiO2 and TiO2@C nanocomposites were prepared by an original process combining biotemplating and mineralization of aerogels of nanofibrillated cellulose (NFC). A direct one step treatment of NFC with TiCl4 in strictly anhydrous conditions allows TiO2 formation at the outermost part Of the nanofibrils while preserving their shape and size. Such TiO2@cellulose composites can be transformed into TiO2 nanotubes (TiO2-NT) by calcination in air at 600 and 900 degrees C, or into TiO2@C nanocomposites by pyrolysis in argon at 600 and 900 degrees C. Detailed characterization of these materials is reported here, along with an assessment of their performance as negative electrode materials for Li-ion batteries
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