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Volume 4, Issue 2, Pages (February 2018)

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1 Volume 4, Issue 2, Pages 372-385 (February 2018)
Self-Standing Hierarchical with Unprecedented Capacity and Stability for Lithium and Sodium Storage  Jianbin Zhou, Zhuoheng Jiang, Shuwen Niu, Shanshan Zhu, Jie Zhou, Yongchun Zhu, Jianwen Liang, Dongdong Han, Kangli Xu, Linqin Zhu, Xiaojing Liu, Gongming Wang, Yitai Qian  Chem  Volume 4, Issue 2, Pages (February 2018) DOI: /j.chempr Copyright © 2018 Elsevier Inc. Terms and Conditions

2 Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions

3 Figure 1 The Synthesis and Characterization of P/CNTs@rGO
(A) Schematic illustration of the preparation process of composites. (B) Photograph of P/CNTs in water solution, GO solution, P/CNT/GO solution, and the assembled hydrogel in 20 mL glass vials. (C) Photograph of the assembled hydrogels with different P content. (D) Photograph of the kilogram-scale preparation of P/CNT powder in the laboratory. (E) Demonstration of a self-standing hydrogel assembled in a 3-L container. (F–M) SEM (top row) and TEM (bottom row) images of ball-milled red P nanoparticles (F and G), P/CNTs (H and I), (J and K), and (L and M). The inset in (L) is a flexible and self-standing paper electrode. Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions

4 Figure 2 Structure and Chemical State Characterization
(A and B) The XRD patterns (A) and Raman shifts (B) of P, P/CNTs, and (C) High-resolution spectra of XPS P 2p of P/CNTs and (D) FTIR spectrum of Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions

5 Figure 3 Electrochemical Characterization of P, P/CNTs, and as Anodes for LIBs (A) The initial galvanostatic charge-discharge curves of P, P/CNTs, and at 0.2 C. (B) Discharge capacities of with different P content (40, 50, 60, 70, and 80 wt %) at 0.2 C. (C) The cycling performance of P, P/CNTs, and at 0.5 C for 100 cycles. (D) The rate performance of at rates varying from 0.2 to 10.0 C. (E) The long-term cycling performance of at 1.0 C over 500 cycles. (F) Comparison of whole electrode gravimetric capacities; see also Table S2. (G) The potential response curves of P/CNTs, and during GITT measurements. The inset is the magnified area illustrating the overpotential. (H) In situ reaction resistances of P/CNTs, and during charge-discharge processes. Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions

6 Figure 4 Electrochemical Performance of P/CNTs@rGO as Anodes for SIBs
(A) The potential versus capacity profiles of for the first three cycles at 0.2 C. (B) The rate performance of at rates varying from 0.2 to 6.0 C. (C) The cycling performance of at 1.0 C for 500 cycles. Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions

7 Figure 5 The Electrochemical Characterization of the Full Cell with as the Anode and LiCoO2 as the Cathode (A) Schematic structure of the full battery. (B) Digital photographs of a red LED lit by the full cell under flat and bent states. (C) The cycling performance of the full cell at 0.2 C over 100 cycles. (D) Galvanostatic charge-discharge curves of the full cell at the 1st, 5th, 50th, and 100th cycles. The specific capacity was calculated on the basis of P. Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions

8 Scheme 1 Schematic Illustration of Different Red P Hybrids before and after Lithiation or Sodiation Ball-milled red P agglomerates (A), red P/CNTs (B), and hierarchical (C) before and after lithiation or sodiation. Chem 2018 4, DOI: ( /j.chempr ) Copyright © 2018 Elsevier Inc. Terms and Conditions


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