Three-dimensional rose-like ZnCo2O4 as a binder-free anode for sodium ion batteries

被引：18
作者：
Ru, Qiang [1 ,2 ,3 ]
Zhao, Doudou [1 ,2 ,3 ]
Guo, Lingyun [1 ,2 ,3 ]
Hu, Shejun [1 ,2 ,3 ]
Hou, Xianhua [1 ,2 ]
机构：
[1] South China Normal Univ, Guangdong Prov Key Lab Quantum Engn & Quantum Mat, Sch Phys & Telecommun Engn, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
[3] Minist Educ, Engn Res Ctr Mat & Technol Electrochem Energy Sto, Guangzhou 51006, Guangdong, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2017年 / 28卷 / 20期
关键词：
HIGH-PERFORMANCE ANODE; LITHIUM-ION; ELECTROCHEMICAL PERFORMANCE; HYDROTHERMAL METHOD; FACILE SYNTHESIS; POROUS ZNCO2O4; NICKEL FOAM; NI FOAM; ARRAYS; MICROSPHERES;
D O I：
10.1007/s10854-017-7432-2
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Rose-like ZnCo2O4 was directly grown on nickel foam via a facile hydrothermal method combined with a subsequent annealing treatment. Self-assembly ZnCo2O4 manifests three dimensional hierarchical architecture and mitigates the volume expansion. The obtained ZnCo2O4 has a large specific surface area of 37.84 m(2) g(-1) and a sufficient pore volume of 0.23 cm(3) g(-1). Porous ZnCo2O4 as a binder-free anode for sodium ion batteries exhibits improved sodium storage capability, ameliorative cycling performance and good structure stability. It remains discharge capacities of 444 and 250 mAh g(-1) after 70 cycles at the current densities of 100 and 500 mA g(-1), respectively.
引用
收藏
页码：15451 / 15456
页数：6
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