In-Situ Crafting of ZnFe2O4 Nanoparticles Impregnated within Continuous Carbon Network as Advanced Anode Materials

ACS Nano
Zhiqun LinYanjie He

Abstract

The ability to create a synergistic effect of nanostructure engineering and its hybridization with conductive carbonaceous material is highly desirable for attaining high-performance lithium ion batteries (LIBs). Herein, we judiciously crafted ZnFe2O4/carbon nanocomposites composed of ZnFe2O4 nanoparticles with an average size of 16 ± 5 nm encapsulated within the continuous carbon network as anode materials for LIBs. Such intriguing nanocomposites were yielded in situ via the pyrolysis-induced carbonization of polystyrene@poly(acrylic acid) (PS@PAA) core@shell nanospheres in conjunction with the formation of ZnFe2O4 nanoparticles through the thermal decomposition of ZnFe2O4 precursors incorporated within the PS@PAA nanospheres. By systematically varying the ZnFe2O4 content in the ZnFe2O4/carbon nanocomposites, the nanocomposite containing 79.3 wt % ZnFe2O4 was found to exhibit an excellent rate performance with high capacities of 1238, 1198, 1136, 1052, 926, and 521 mAh g(-1) at specific currents of 100, 200, 500, 1000, 2000, and 5000 mA g(-1), respectively. Moreover, cycling performance of the ZnFe2O4/carbon nanocomposite with 79.3 wt % ZnFe2O4 at specific currents of 200 mA g(-1) delivered an outstanding prolonged cycling sta...Continue Reading

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Citations

Jun 28, 2016·ACS Applied Materials & Interfaces·Cuiping HanFeiyu Kang
Jul 22, 2016·Angewandte Chemie·Qilin DaiShenqiang Ren
Feb 28, 2017·ACS Applied Materials & Interfaces·Hongyi YuanAlamgir Karim
Jun 19, 2018·Chemical Communications : Chem Comm·Jianbiao WangMingdeng Wei
Sep 26, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Jinhuan LinXiangzhong Ren
Feb 13, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Guoxin GaoShujiang Ding
Jul 20, 2017·Chemical Communications : Chem Comm·Wenwei SunXiangfeng Wei
Dec 31, 2020·ACS Applied Materials & Interfaces·Chanhoon KimIl-Doo Kim
Nov 30, 2018·ACS Applied Materials & Interfaces·Kangning ZhaoXudong Wang

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