Autogenic reactions for preparing carbon-encapsulated, nanoparticulate TiO2 electrodes for lithium-ion batteries

被引：46

作者：

Pol, Vilas G. ^{[1
]}

Kang, Sun-Ho ^{[1
]}

Calderon-Moreno, Jose M. ^{[2
]}

Johnson, Christopher S. ^{[1
]}

Thackeray, Michael M. ^{[1
]}

机构：

[1] Argonne Natl Lab, Chem Sci & Engn Div, Electrochem Energy Storage Dept, Argonne, IL 60439 USA

[2] Romanian Acad, Inst Phys Chem Ilie Murgulescu, Bucharest 060021, Romania

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 15期

关键词：

Anatase; Titania; Core shell nanostructures; Carbon; Anode; Lithium-ion batteries; ELEVATED-TEMPERATURE; HIGH-CAPACITY; HIGH-POWER; PERFORMANCE; ANATASE; LI; INTERCALATION; PRESSURE; CATHODES; RUTILE;

D O I：

10.1016/j.jpowsour.2010.02.072

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：

We report an anhydrous, autogenic technique for synthesizing electronically interconnected, carbon-encapsulated, nanoparticulate anatase anode materials (TiO2-C) for lithium-ion batteries. The TiO2-C nanoparticles provide a reversible capacity of similar to 200 mAh g(-1), which exceeds the theoretical capacity of the commercially attractive spine! anode, Li4Ti5O12 (175 mAh g(-1)) and is competitive with the capacity reported for other TiO2 products. The processing method is extremely versatile and has implications for preparing, in a single step, a wide variety of electrochemically active compounds that are coated, in situ, with carbon. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：5039 / 5043

页数：5

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