Fabrication of N, S co-doped graphene aerogel for high-performance supercapacitors: pi-conjugated planar molecules as efficient dopants and pillared agents

doi:10.1016/j.apsusc.2020.147022

CORC > 金属研究所 > 中国科学院金属研究所

	Fabrication of N, S co-doped graphene aerogel for high-performance supercapacitors: pi-conjugated planar molecules as efficient dopants and pillared agents
	Zhang, Lili 2; Chen, Huaxia 2; Lu, Xingyu 1; Wang, Yun 2; Tan, Lili 3; Sui, Dianpeng 2; Qi, Wei 1
刊名	APPLIED SURFACE SCIENCE
	2020-11-01
卷号	529 页码:9
关键词	Supercapacitors Graphene aerogel Heteroatom N S co-doping Supramolecular interactions Hydrothermal method 2,5-Dimercapto-1, 3, 4-thiadiazole
ISSN号	0169-4332
DOI	10.1016/j.apsusc.2020.147022
通讯作者	Sui, Dianpeng(sdp2596@sina.com) ; Qi, Wei(wqi@imr.ac.cn)
英文摘要	Rational constructing carbon electrode materials with heteroatoms (eg. N, S, B, F) and high surface area is essencial to the appealing performance of supercapacitor (SC). Here we present a novel fabrication strategy for sandwich-like N, S co-doped three-dimensional (3D) porous graphene aerogels (NSGAs) via one-pot hydro thermal method for high performance SCs materials. The unique advantage of the proposed synthesis strategy is the applications of 2, 5-Dimercapto-1, 3, 4-thiadiazole (DMTD) as bifunctional pillared agents and efficient dopant precursors. The planar DMTD molecules have shown strong supramolecular pi-pi and H-bonding interactions with graphene oxide (GO), thus avoiding the restacking of graphene sheets and enhancing the doping efficiency and amount of S atoms, which are beneficial to the SC performance of NSGA. The synthesized NSGA samples exhibit the atomic content of S up to 2.39 at.% with surface area at 366.0 m(2) g(-1), and display a maximum energy density of 10.52 W h kg(-1) for assembled symmetric supercapacitor. The relatively high tandem device performance with a remarkable current response, even at 2000 mV s(-1), reaches the top level for graphene-based SC system. The proposed simple fabrication strategy and attracting performance of NSGA material shed light on the potential practical applications of graphene-based material as SCs, and the observed structure-function relations also provides physical-chemical insight into the function principle of heteroatom doped graphene in SCs.
资助项目	NSFC of China[21761132010] ; NSFC of China[91645114] ; NSFC of China[21573256] ; NSFC of China[41303086] ; Youth Innovation Promotion Association, CAS, China ; Shaanxi Joint Laboratory of Graphene (Northwestern Polytechnical University), China[2018002]
WOS研究方向	Chemistry ; Materials Science ; Physics
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000568723800009
资助机构	NSFC of China ; Youth Innovation Promotion Association, CAS, China ; Shaanxi Joint Laboratory of Graphene (Northwestern Polytechnical University), China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/140531]
专题	金属研究所_中国科学院金属研究所
通讯作者	Sui, Dianpeng; Qi, Wei
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Northeastern Univ, Dept Chem, Coll Sci, Shenyang 110819, Peoples R China 3.Northwestern Polytech Univ, Shaanxi Joint Lab Graphene, Xian 710072, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Lili,Chen, Huaxia,Lu, Xingyu,et al. Fabrication of N, S co-doped graphene aerogel for high-performance supercapacitors: pi-conjugated planar molecules as efficient dopants and pillared agents[J]. APPLIED SURFACE SCIENCE,2020,529:9.
APA	Zhang, Lili.,Chen, Huaxia.,Lu, Xingyu.,Wang, Yun.,Tan, Lili.,...&Qi, Wei.(2020).Fabrication of N, S co-doped graphene aerogel for high-performance supercapacitors: pi-conjugated planar molecules as efficient dopants and pillared agents.APPLIED SURFACE SCIENCE,529,9.
MLA	Zhang, Lili,et al."Fabrication of N, S co-doped graphene aerogel for high-performance supercapacitors: pi-conjugated planar molecules as efficient dopants and pillared agents".APPLIED SURFACE SCIENCE 529(2020):9.