期刊
RSC ADVANCES
卷 4, 期 17, 页码 8472-8480出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra47653g
关键词
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资金
- Shanghai Leading Academic Discipline Project [S30107]
- National Natural Science Foundation of China [51202138]
- Natural Science Foundation of Shanghai [13ZR1454400, 12ZR1410500]
- Dongguan Science and Technology Bureau [2012108102029]
A green and facile strategy was reported to synthesize the composite of graphene decorated with ZrO2 nanoparticles as a good candidate for the anode material of lithium-ion batteries. ZrO2 nanoparticles are uniformly anchored on the surface of graphene with an average size of 5.5 nm. This graphene/ZrO2 composite shows high specific capacity, high coulomb efficiency, excellent rate performance and cycling stability due to the sandwich-like stable structure with ZrO2 as the inert pillar supporting graphene, which offers more active sites for Li+ insertion. The strong interaction between graphene and ZrO2 plays a key role in maintaining the structure stability against the irreversible volume change during Li+ insertion/extraction.
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