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- Title
A succulent-like structure of MoS<sub>2</sub>-coated S-doped ZIF-67@NF as the supercapacitor electrode material.
- Authors
Ma, Lihong; Miao, Yidong; Zhang, Man; Sui, Yanwei; Qi, Jiqiu; Wei, Fuxiang; Meng, Qingkun; Pang, Lijuan; Ren, Yaojian; Xiao, Bin; Xue, Xiaolan; Sun, Zhi
- Abstract
MoS2-coated zeolitic imidazoline framework-derived transition metal sulfides (MoS2-coated S-doped ZIF-67@NF) are synthesized by hydrothermal method on nickel foam (NF). ZIF-derived transition metal sulfide and MoS2 as inner core and outer shell, respectively. Overall structure like a succulent plant, maintaining the unique skeleton structure of ZIF as an inner core, ZIF-derived transition metal sulfides enhances the charge transfer efficiency. The well-covered MoS2 protects the inner core and acts as a channel for electrolyte ion diffusion to the interior. At 1 mA cm−2, the MoS2 coated S-doped ZIF-67@NF (MSZ@NF) electrode provides a specific capacity of 4840 mF cm−2 and good cycling stability (81.3% at 30 mA cm−2 after 5000 cycles). The the asymmetric MoS2 coated S-doped ZIF@NF//RGO device achieved high energy density of 93.49 μWh cm−2 at 0.8 mW cm−2.
- Subjects
METAL sulfides; TRANSITION metals; ION channels; SUCCULENT plants; CHARGE transfer
- Publication
Journal of Materials Science: Materials in Electronics, 2022, Vol 33, Issue 4, p1930
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-021-07394-0