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Mesoporous Anatase TiO2 Nanorods as Thermally Robust Anode Materials for Li-Ion Batteries: Detailed Insight into the Formation Mechanism

Seisenbaeva, Gulaim A. ; Nedelec, Jean-Marie ; Daniel, Geoffrey ; Tiseanu, Carmen ; Parvulescu, Vasile ; Pol, Vilas G. ; Abrego, Luis ; Kessler, Vadim G.

Chemistry, 2013-12, Vol.19 (51), p.17439-17444 [Periódico revisado por pares]

Weinheim: WILEY-VCH Verlag

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Título:
Mesoporous Anatase TiO2 Nanorods as Thermally Robust Anode Materials for Li-Ion Batteries: Detailed Insight into the Formation Mechanism
Autor: Seisenbaeva, Gulaim A. ; Nedelec, Jean-Marie ; Daniel, Geoffrey ; Tiseanu, Carmen ; Parvulescu, Vasile ; Pol, Vilas G. ; Abrego, Luis ; Kessler, Vadim G.
Assuntos: Anatase ; Annan materialteknik ; Anodes ; Batteries ; Cations ; Chemistry ; Electric Power Supplies ; Electrode materials ; Electrodes ; energy storage (including batteries and capacitors), charge transport, materials and chemistry by design, synthesis (novel materials) ; Europium - chemistry ; Fluorescent Dyes - chemistry ; Heat treatment ; Inorganic Chemistry ; Ions - chemistry ; Li-ion battery performance ; Lithium - chemistry ; Lithium-ion batteries ; Materialkemi ; Materials Chemistry ; mesoporous materials ; Nanorods ; Nanotubes - chemistry ; Oorganisk kemi ; Other Materials Engineering ; Porosity ; Robustness ; Specific capacity ; Surface area ; Temperature ; Thermal stability ; titania ; Titanium - chemistry ; Titanium dioxide
É parte de: Chemistry, 2013-12, Vol.19 (51), p.17439-17444
Notas: US Department of Energy
Swedish Research Council
ArticleID:CHEM201303283
Romanian National Authority for Scientific Research - No. PN-II-ID-PCE-2011-3-0534
ark:/67375/WNG-1H5C6WCZ-7
istex:8CD43C2727BB665EBDB1C4DF34BB91EEFFA76295
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
AC02-06CH11357
Descrição: Uniformly mesoporous and thermally robust anatase nanorods were produced with quantitative yield by a simple and efficient one‐step approach. The mechanism of this process was revealed by insertion of Eu3+ cations from the reaction medium as luminescent probes. The obtained structure displays an unusually high porosity, an active surface area of about 300 m2g−1 and a specific capacity of 167 mA h g−1 at a C/3 rate, making it attractive as an anode electrode for Li‐ion batteries. An additional attractive feature is its remarkable thermal stability; heating to 400 °C results in a decrease in the active surface area to a still relatively high value of 110 m2 g−1 with conservation of open mesoporosity. Thermal treatment at 800 °C or higher, however, causes transformation into a non‐porous rutile monolith, as commonly observed with nanoscale titania. Robust Li‐ion battery anode: Mesoporous, thermally robust anatase nanorods were produced with quantitative yield by a simple one‐step approach. The mechanism was revealed by insertion of Eu3+ cations as luminescent probes. The obtained structure displays high porosity, an active surface area of about 300 m2g−1 and a specific capacity of 167 mA h g−1 at C/3 rate, making it attractive as an anode for Li‐ion batteries (see figure).
Editor: Weinheim: WILEY-VCH Verlag
Idioma: Inglês

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Mesoporous Anatase TiO2 Nanorods as Thermally Robust Anode Materials for Li-Ion Batteries: Detailed Insight into the Formation Mechanism

Seisenbaeva, Gulaim A. ; Nedelec, Jean-Marie ; Daniel, Geoffrey ; Tiseanu, Carmen ; Parvulescu, Vasile ; Pol, Vilas G. ; Abrego, Luis ; Kessler, Vadim G.

Weinheim: WILEY-VCH Verlag

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