期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 21, 期 25, 页码 9014-9017出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201500249
关键词
anode material; nanostructures; silicates; solvothermal synthesis; ternary composites
资金
- National Natural Science Foundation of China [21473027]
- Research Fund for the Doctoral Program of Higher Education of China [20120043110005]
- project development plan of science and technology of Jilin Province [20140101110JC]
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry of Jilin University
We report the synthesis of sandwich-structured graphene-nickel silicate-Ni ternary composites by using the solvothermal method followed by a simple in situ reduction procedure. The composites show an interesting structure with graphene sandwiched between two layers of well-dispersed Ni nanoparticles (NPs) anchored on ultrathin nickel silicate nanosheets. These ternary composites exhibit enhanced performance as anode materials owing to the synergistic effect between the graphene matrix and electrochemically inert Ni nanoparticles, an effect that holds promise for the design and fabrication of other advanced electrode materials.
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