In situ monitoring of TiO2(B)/anatase nanoparticle formation and application in Li-ion and Na-ion batteries

被引：39

作者：

Sondergaard, M. ^{[1
,2
,3
]}

Dalgaard, K. J. ^{[1
,2
]}

Bojesen, E. D. ^{[1
,2
]}

Wonsyld, K. ^{[3
]}

Dahl, S. ^{[3
]}

Iversen, B. B. ^{[1
,2
]}

机构：

[1] Aarhus Univ, Dept Chem, Ctr Mat Crystallog, DK-8000 Aarhus C, Denmark

[2] Aarhus Univ, iNANO, DK-8000 Aarhus C, Denmark

[3] Haldor Topsoe Res Labs, DK-2800 Lyngby, Denmark

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 36期

基金：

新加坡国家研究基金会;

关键词：

ANATASE TIO2 NANOPARTICLES; TITANIUM-DIOXIDE; LITHIUM STORAGE; ANODE MATERIALS; PERFORMANCE; NANOTUBES; NANOSTRUCTURES; MICROSPHERES; GROWTH;

D O I：

10.1039/c5ta04110d

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bronze phase, TiO2(B), and anatase nanoparticles in various weight fractions and with different sizes have been synthesized by a very facile method and their electrochemical performances have been evaluated in Li- and Na-ion cells. The transition from a layered hydrogen-titanate precursor to TiO2(B)/anatase mixtures was monitored by in situ powder X-ray diffraction from room temperature to 800 degrees C. Simple NaOH treatment of the precursor inhibited the transformation of the precursor and TiO2(B) to anatase at elevated temperatures and allowed for the preparation of larger TiO2(B) crystallites with extra high thermal stability.

引用

页码：18667 / 18674

页数：8

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