Carbon Coated ZnFe2O4 Nanoparticles for Advanced Lithium-Ion Anodes

被引：317

作者：

Bresser, Dominic ^{[1
,2
]}

Paillard, Elie ^{[1
,2
]}

Kloepsch, Richard ^{[1
,2
]}

Krueger, Steffen ^{[1
,2
]}

Fiedler, Martin ^{[3
]}

Schmitz, Rene ^{[1
,2
]}

Baither, Dietmar ^{[3
]}

Winter, Martin ^{[1
,2
]}

Passerini, Stefano ^{[1
,2
]}

机构：

[1] Univ Munster, Inst Phys Chem, Battery Res Ctr, D-48149 Munster, Germany

[2] Univ Munster, MEET, Battery Res Ctr, D-48149 Munster, Germany

[3] Univ Munster, Inst Mat Phys, D-48149 Munster, Germany

来源：

ADVANCED ENERGY MATERIALS | 2013年 / 3卷 / 04期

关键词：

carbon coating; in situ XRD; lithium-ion anode; nanoparticles; ZnFe2O4; ZNO SOLID-SOLUTIONS; X-RAY-SCATTERING; NEGATIVE ELECTRODES; ELECTROCHEMICAL PERFORMANCE; HIGH-PRESSURE; REVERSIBLE CAPACITY; INSERTION REACTIONS; RATE CAPABILITY; PARTICLE-SIZE; LI;

D O I：

10.1002/aenm.201200735

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：

The preparation and electrochemical characterization of a new material consisting of carbon coated ZnFe2O4 nanoparticles is presented. This material, which offers an interesting combination of alloying and conversion mechanisms, is capable of hosting up to nine equivalents of lithium per unit formula, corresponding to an exceptional specific capacity, higher than 1000 mAh g1. Composite electrodes of such a material, prepared using environmentally friendly sodium carboxymethyl cellulose as binder, showed the highest, ever reported, specific capacity and high rate performance upon long-term testing. Furthermore, in situ X-ray diffraction analysis allowed identifying the reduction process occurring upon initial lithiation.

引用

页码：513 / 523

页数：11

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