Partially graphitic hierarchical porous carbon nanofiber for high performance supercapacitors and lithium ion batteries

Hu, Jing1; Xu, Zhenglong3; Li, Xiaoyan1; Liang, Shijing1; Chen, Yuming1; Lyu, Linlong1; Yao, Haimin1; Lu, Zhouguang2; Zhou, Limin1

2020-06-30

10.1016/j.jpowsour.2020.228098

JOURNAL OF POWER SOURCES   影响因子和分区

0378-7753

1873-2755

Partially graphitic hierarchical porous carbon nanofiber is prepared via electrospinning, pyrolysis, activation and acid treatment of the nascent fiber. The ameliorating structural features of the as-obtained carbon nanofiber, such as a relatively high graphitic degree, a high specific surface area and a large pore volume with hierarchical porous structure, acted synergistically, resulting in excellent electrochemical properties. When applied in supercapacitors, the obtained sample delivers a high specific capacitance of 287 F g(-1 )at 0.5 A g(-1), a high rate capacitance of 196 F g(-1) at 100 A g(-1) and a high capacity retention of 95.4% at 5 A g(-1) after 10,000 cycles. When used as an anode for lithium ion batteries, the prepared electrodes display an exceptionally high reversible capacity of 1495 mAh g(-1) at 0.1 A g(-1), superior cycle stability and an outstanding high-rate capacity of 391 mAh g(-1) at 10 A g(-1) for 1100 cycles. These values demonstrate the superiority of partially graphitic hierarchical porous carbon nanofiber as bi-functional electrodes in supercapacitors and Li-ion batteries with outstanding performance.

Lithium ion batteries Supercapacitors Hierarchical porous structure Carbon nanofiber Electrospinning

SCI ; EI

英语

通讯

Hong Kong Polytechnic University[1-ZVGH]

Chemistry ; Electrochemistry ; Energy & Fuels ; Materials Science

Chemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary

WOS:000531025800001

ELSEVIER

20201608431158

Electrodes ; Electrospinning ; Capacitance ; Porosity ; Porous materials ; Supercapacitor ; Carbon nanofibers ; Ions

Electricity: Basic Concepts and Phenomena:701.1 ; Electric Components:704.1 ; Nanotechnology:761 ; Fiber Chemistry and Processing:819.3 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Solid State Physics:933 ; Materials Science:951

MATERIALS SCIENCE

Web of Science

1.Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Peoples R China
2.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
3.Hong Kong Polytech Univ, Dept Ind & Syst Engn, Hong Kong, Peoples R China

Hu, Jing,Xu, Zhenglong,Li, Xiaoyan,et al. Partially graphitic hierarchical porous carbon nanofiber for high performance supercapacitors and lithium ion batteries[J]. JOURNAL OF POWER SOURCES,2020,462.

Hu, Jing.,Xu, Zhenglong.,Li, Xiaoyan.,Liang, Shijing.,Chen, Yuming.,...&Zhou, Limin.(2020).Partially graphitic hierarchical porous carbon nanofiber for high performance supercapacitors and lithium ion batteries.JOURNAL OF POWER SOURCES,462.

Hu, Jing,et al."Partially graphitic hierarchical porous carbon nanofiber for high performance supercapacitors and lithium ion batteries".JOURNAL OF POWER SOURCES 462(2020).