title: Reprocessable squeezing electrode fabrication of olive-like Fe/Co/O nanoparticle@three dimensional nitrogen-doped reduced graphene oxides for high performance lithium batteries.
abstract: A one step in situ synthesis approach is developed to construct 3D nitrogen-doped reduced graphene oxides, in which olive-like multi-component metal oxides are homogeneously dispersed. The novel hybrid nanoarchitecture shows some particular properties derived from synergistic effects. The size of Fe/Co/O oxides is reduced and better controlled compared to that of individual oxides due to mutual dispersant interactions. Furthermore, the positive synergistic interaction between heterogeneous oxides and graphene nanosheets has effective control on the particle size and dispersion of nanoparticles. Taking advantage of the flexibility and the cohesiveness of graphene nanosheets, the obtained composite can be directly processed into a binder-free electrode through a unique time-saving "squeezing" process. The obtained electrode possesses a reprocessable feature, which provides possibilities for convenient storage and quick fabrication at any time and presents attractive electrochemical performance of robust long-term capability retention (562 mA h g(-1) after 300 cycles at 10 A g(-1)) and superior rate performances (1162 mA h g(-1) at 0.5 A g(-1), 737 mA h g(-1) at 5 A g(-1), and 585 mA h g(-1) at 10 A g(-1)).
authors: College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China. hhzhou@pku.edu.cn.
authors: Li-Ya
authors: LY
authors: Qi
authors: College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China. hhzhou@pku.edu.cn.
authors: Yi-Wei
authors: YW
authors: Zhang
authors: College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China. hhzhou@pku.edu.cn.
authors: Yue-Long
authors: YL
authors: Xin
authors: Beijing Engineering Research Center of Power Lithium-ion Battery, Beijing 102200, P. R. China. wubin@pulead.com.cn.
authors: Zi-Cheng
authors: ZC
authors: Zuo
authors: Beijing Engineering Research Center of Power Lithium-ion Battery, Beijing 102200, P. R. China. wubin@pulead.com.cn.
authors: Bin
authors: B
authors: Wu
authors: College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China. hhzhou@pku.edu.cn.
authors: Xin-Xiang
authors: XX
authors: Zhang
authors: College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China. hhzhou@pku.edu.cn.
authors: Heng-Hui
authors: HH
authors: Zhou