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Construction of Complex CoS Hollow Structures with Enhanced Electrochemical Properties for Hybrid Supercapacitors Han Hu, Bu Yuan Guan, Xiong Wen (David) Lou Chem Volume 1, Issue 1, Pages (July 2016) DOI: /j.chempr Copyright © 2016 Elsevier Inc. Terms and Conditions
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Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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Figure 1 Synthesis Procedure for Various CoS Hollow Structures
I. Synthesis of CoS-nanoparticle-assembled single-shelled nanoboxes (CoS-NP SSNBs). II. Formation of CoS-nanosheet-organized single-shelled nanoboxes (CoS-NS SSNBs). III. Fabrication of hierarchical double-shelled hollow structures consisting of CoS-NP nanoboxes surrounded by CoS nanosheets (CoS-NP/CoS-NS DSNBs). Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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Figure 2 Characterization of ZIF-67 Nanocubes and CoS-NP SSNBs
FESEM (A, B, and D) and TEM (C, E, and F) images of the ZIF-67 nanocubes (A–C) and CoS-NP SSNBs (D–F). See also Figures S1–S5. Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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Figure 3 Characterization of Co(OH)2-NS SSNBs and CoS-NS SSNBs
FESEM (A, B, and D) and TEM (C, E, and F) images of Co(OH)2-NS SSNBs (A–C) and CoS-NS SSNBs (D–F). See also Figures S6 and S7. Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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Figure 4 Characterization of ZIF-67/Co(OH)2-NS Yolk-Shelled Structures and CoS-NP/CoS-NS DSNBs FESEM (A and D) and TEM (B, C, E, and F) images of ZIF-67/Co(OH)2-NS yolk-shelled structures (A–C) and CoS-NP/CoS-NS DSNBs (D–F). See also Figures S8–S11. Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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Figure 5 Evaluation of the Three CoS Hollow Nanostructures as a Battery-Type Electrode for HSCs (A and B) CV curves at various scan rates and galvanostatic charge/discharge voltage profiles (A) and at different current densities of CoS-NP/CoS-NS DSNBs (B). (C) Comparison of the cycling performance of the three CoS hollow nanostructures at a current density of 5 A g−1. See also Figures S12–S14. Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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Figure 6 Electrochemical Performance of CoS-NP/CoS-NS DSNB//AC HSC
CV curves at various scan rates (A), galvanostatic charge/discharge voltage profiles at different current densities (B), and cycling performance at a current density of 5 A g−1 (C). See also Figures S15–S18. Chem 2016 1, DOI: ( /j.chempr ) Copyright © 2016 Elsevier Inc. Terms and Conditions
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