Dual Tuning of Biomass-Derived Hierarchical Carbon Nanostructures for   Supercapacitors: the Role of Balanced Meso/Microporosity and Graphene

doi:10.1038/srep15936

CORC > 北京大学 > 工学院

	Dual Tuning of Biomass-Derived Hierarchical Carbon Nanostructures for Supercapacitors: the Role of Balanced Meso/Microporosity and Graphene
	Zhu, Zhengju ; Jiang, Hao ; Guo, Shaojun ; Cheng, Qilin ; Hu, Yanjie ; Li, Chunzhong
刊名	SCIENTIFIC REPORTS
	2015
关键词	CAPACITIVE ENERGY-STORAGE HIGH-PERFORMANCE ELECTROCHEMICAL PERFORMANCE FUNCTIONAL-GROUPS SURFACE-AREA ELECTRODES NETWORKS
DOI	10.1038/srep15936
英文摘要	Rational design of advanced carbon nanomaterials with a balanced mesoporosity to microporosity is highly desirable for achieving high energy/power density for supercapacitors because the mesopore can allow better transport pathways for the solvated ions of larger than 1 nm. Inspired by the inherent meso/macroporous architecture and huge absorption ability to aqueous solution of auricularia biomass, we demonstrate a new biomass-derived synthesis process for the three-dimensional (3D) few-layered graphene nanosheets incorporated hierarchical porous carbon (GHPC) nanohybrids. The as-prepared GHPC nanohybrids possess a balanced mesoporosity to microporosity with much improved conductivity, which is highly desirable for achieving high energy/power density for supercapacitors. As we predicted, they delivered a high specific capacitance of 256 F g(-1) at 1 A g(-1) with excellent rate capability (120 F g(-1) at 50 A g(-1)) and long cycle life (92% capacity retention after 10000 cycles) for symmetric supercapacitors in 1 M H2SO4. Based on the as-obtained carbon materials, a flexible and all-solid-state supercapacitor was also assembled, which can be fully recharged within 10 s and able to light an LED even under bended state. Such excellent performance is at least comparable to the best reports in the literature for two-electrode configuration under aqueous systems.; National Natural Science Foundation of China [21206043, 21236003, 21371057, 21322607]; Program for New Century Excellent Talents in University [NCET-13-0796]; Basic Research Program of Shanghai [13JC1401901, 13NM1400801]; 111 Project [B14018]; Fundamental Research Funds for the Central Universities; SCI(E); PubMed; ARTICLE; jianghao@ecust.edu.cn; czli@ecust.edu.cn; 15936; 5
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/415541]
专题	工学院
推荐引用方式 GB/T 7714	Zhu, Zhengju,Jiang, Hao,Guo, Shaojun,et al. Dual Tuning of Biomass-Derived Hierarchical Carbon Nanostructures for Supercapacitors: the Role of Balanced Meso/Microporosity and Graphene[J]. SCIENTIFIC REPORTS,2015.
APA	Zhu, Zhengju,Jiang, Hao,Guo, Shaojun,Cheng, Qilin,Hu, Yanjie,&Li, Chunzhong.(2015).Dual Tuning of Biomass-Derived Hierarchical Carbon Nanostructures for Supercapacitors: the Role of Balanced Meso/Microporosity and Graphene.SCIENTIFIC REPORTS.
MLA	Zhu, Zhengju,et al."Dual Tuning of Biomass-Derived Hierarchical Carbon Nanostructures for Supercapacitors: the Role of Balanced Meso/Microporosity and Graphene".SCIENTIFIC REPORTS (2015).