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author:

Fu, Wenwu (Fu, Wenwu.) [1] | Zhang, Kai (Zhang, Kai.) [2] | Chen, Mao-sung (Chen, Mao-sung.) [3] | Zhang, Ming (Zhang, Ming.) [4] | Shen, Zhongrong (Shen, Zhongrong.) [5]

Indexed by:

EI SCIE

Abstract:

Nitrogen doped porous carbons are the most attractive electrode materials for supercapacitors due to their large surface area and surface pseudocapacitance. Herein, a nitrogen-doped porous carbon with an ultra-high specific surface area of 3709 m(2) g(-1) is synthesized by a simple one-pot polymerization and calcination process. The porous carbon exhibits both high specific capacitance and excellent rate capability in a wide pH range. High specific capacitances of 304.3, 348.0, 185.4 and 298.0 F g(-1) are achieved for the nitrogen-doped porous carbon in 1 M H2SO4, 6 M KOH, 21 m LiTFSI and 1 M Li2SO4 at 2 mV s(-1), respectively. The symmetrical supercapacitor with this porous carbon as the electrodes can deliver a high energy density of 25.9 Wh kg(-1) at a power density of 339.6 W kg(-1) with an operating cell voltage of 1.7 V in 1 M Li2SO4 electrolyte, and a good cycle stability with 84% of its initial specific capacitance remains after 23,000 cycles. The superior electrochemical properties can be attributed to the large specific surface area, well-defined hierarchical pores, and high level of disorder structure for the N-doped carbon material.

Keyword:

Heteroatom-doping Hierarchical pores High-performance One-pot calcination Ultra-high specific surface area

Community:

  • [ 1 ] [Fu, Wenwu]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China
  • [ 2 ] [Zhang, Kai]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China
  • [ 3 ] [Chen, Mao-sung]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China
  • [ 4 ] [Zhang, Ming]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China
  • [ 5 ] [Shen, Zhongrong]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China
  • [ 6 ] [Fu, Wenwu]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 7 ] [Zhang, Kai]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 8 ] [Chen, Mao-sung]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 9 ] [Zhang, Ming]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 10 ] [Shen, Zhongrong]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 11 ] [Fu, Wenwu]Chinese Acad Sci, Haixi Inst, Xiamen Inst Rare Earth Mat, Lab Rare Earth Funct Mat & Green Energy, Xiamen 361021, Peoples R China
  • [ 12 ] [Zhang, Kai]Chinese Acad Sci, Haixi Inst, Xiamen Inst Rare Earth Mat, Lab Rare Earth Funct Mat & Green Energy, Xiamen 361021, Peoples R China
  • [ 13 ] [Chen, Mao-sung]Chinese Acad Sci, Haixi Inst, Xiamen Inst Rare Earth Mat, Lab Rare Earth Funct Mat & Green Energy, Xiamen 361021, Peoples R China
  • [ 14 ] [Zhang, Ming]Chinese Acad Sci, Haixi Inst, Xiamen Inst Rare Earth Mat, Lab Rare Earth Funct Mat & Green Energy, Xiamen 361021, Peoples R China
  • [ 15 ] [Shen, Zhongrong]Chinese Acad Sci, Haixi Inst, Xiamen Inst Rare Earth Mat, Lab Rare Earth Funct Mat & Green Energy, Xiamen 361021, Peoples R China
  • [ 16 ] [Fu, Wenwu]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • [Zhang, Ming]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China;;[Shen, Zhongrong]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Peoples R China;;[Zhang, Ming]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China;;[Shen, Zhongrong]Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China

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Source :

JOURNAL OF POWER SOURCES

ISSN: 0378-7753

Year: 2021

Volume: 491

9 . 7 9 4

JCR@2021

8 . 1 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:142

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 37

SCOPUS Cited Count: 37

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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