Hybrid MnO/Ni Li-ion Battery Anode Material with Enhanced Capacity Retention

被引：2

作者：

Kunduraci, Muharrem ^{[1
]}

机构：

[1] Univ Turkish Aeronaut Assoc, Fac Engn, Dept Mech Engn, TR-06790 Ankara, Turkey

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2018年 / 13卷 / 08期

关键词：

lithium-ion battery; conversion anode; oxide/metal hybrid; LITHIUM-STORAGE PROPERTIES; BINDER-FREE ANODE; PERFORMANCE; COMPOSITES; SUPERCAPACITOR; NANOCOMPOSITES; MICROSPHERES; ELECTRODES; FOAM;

D O I：

10.20964/2018.08.20

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Intimately mixed MnO/Ni hybrid materials are synthesized using a two-step process; Pechini process followed by a high temperature reduction step. As-prepared materials were characterized by X-ray diffraction, transmission electron microscopy and electrochemical tests. (MnO)(1-x)/(Ni)(x) hybrid materials with x=0, 0.2 and 0.5 mole ratios are electrochemically evaluated as anode materials for lithium-ion batteries. The battery tests conclusively show that the coulombic efficiency, capacity utilization factor, percentage capacity retention and high rate performance values of control MnO material are enhanced with the presence of nearby metallic Ni nanoparticles. Oxide/metal hybrid material could be a cheaper alternative to commonly known oxide/graphene system.

引用

页码：7397 / 7407

页数：11

共 31 条

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