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You searched for: Author "Li, Jiangfeng" Remove constraint Author: "Li, Jiangfeng" Publication Year 2016 Remove constraint Publication Year: 2016 Subject capacitance Remove constraint Subject: capacitance
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1. An ultra-high-performance anode material for supercapacitors: self-assembled long Co₃O₄ hollow tube network with multiple heteroatom (C-, N- and S-) doping

Author:
Li, Jiangfeng,   et al.   ; Zan, Guangtao; Wu, Qingsheng;     Show all 3 Authors
Source:
Journal of materials chemistry A 2016 v.4 no.23 pp. 9097-9105
ISSN:
2050-7496
Subject:
anodes; capacitance; chickens; cobalt oxide; electrochemistry; energy density; synergism
Abstract:
... Three unique morphologies of heteroatom (C-, N- and S-) self-doped Co₃O₄ network structures of super-long hollow tubes have been produced by hydrothermal and calcination techniques using the chicken eggshell membrane as the template and dopant. The obtained Co₃O₄ shows a super high specific capacitance (1498 F g⁻¹ at a current density of 0.5 A g⁻¹), and a good rate capability (795 F g⁻¹ at a high ...
DOI:
10.1039/c6ta02376b

2. Nitrogen and sulfur self-doped porous carbon from brussel sprouts as electrode materials for high stable supercapacitors

Author:
Li, Jiangfeng,   et al.   ; Zan, Guangtao; Wu, Qingsheng;     Show all 3 Authors
Source:
RSC advances 2016 v.6 no.62 pp. 57464-57472
ISSN:
2046-2069
Subject:
Brussels sprouts; capacitance; carbon; carbonization; electrochemistry; electrodes; energy-dispersive X-ray analysis; freeze drying; nitrogen; scanning electron microscopy; sulfur; surface area; transmission electron microscopy
Abstract:
... Heteroatom self-doped porous carbon materials were synthesized for the first time via freeze drying technique, followed by carbonization of brussel sprouts under a nitrogen atmosphere. The resultant materials were analyzed by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) mapping, transmission electron microscopy (TEM), and Brunauer–Emmett–Teller (BET) measurements. Bruss ...
DOI:
10.1039/c6ra08428a