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author:

Wang, Zhuqi (Wang, Zhuqi.) [1] | Deng, Shenghui (Deng, Shenghui.) [2] | Zhang, Qiyun (Zhang, Qiyun.) [3] | Li, Jingze (Li, Jingze.) [4] | Lin, Qilang (Lin, Qilang.) [5]

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EI

Abstract:

This work developed novel surface-modified carbon foams (SMCFs) with high heteroatom contents and a certain amount of iron oxide particles via the carbothermal reduction reaction between iron oxide and the cyanate resin-based carbon foam. The effects of carbothermal reduction of iron oxide on microstructures and electrochemical properties of the carbon foams have been studied systematically using TG, XRD, FESEM, BET, and XPS. Results show that the carbothermal reduction greatly influences the microstructures of carbon foams when the temperature is higher than 600 °C. The generated iron oxide particles were embedded into the surface of carbon foams. With the increase of temperature, the surface became porous and rough with a certain graphitic structure. When the temperature arrives at 1000 °C, the as-prepared SMCF-1000 has a highest specific capacitance of 212.42 F g−1 at 1 A g−1, and the specific capacitance maintains 107% of the initial value after 10,000 charge-discharge cycles. In addition, the SMCF-1000 exhibits a maximum compressive strength of 2.52 MPa, which is expected to be a novel three-dimensional self-supporting electrode material. © 2021 Elsevier B.V.

Keyword:

Capacitance Carbon Carbothermal reduction Compressive strength Electric discharges Electrochemical properties Foams Iron oxides Microstructure Supercapacitor

Community:

  • [ 1 ] [Wang, Zhuqi]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Deng, Shenghui]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 3 ] [Zhang, Qiyun]College of Advanced Manufacturing, Fuzhou University, Jinjiang; 362251, China
  • [ 4 ] [Li, Jingze]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 5 ] [Lin, Qilang]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China

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Source :

Journal of Alloys and Compounds

ISSN: 0925-8388

Year: 2022

Volume: 890

6 . 2

JCR@2022

5 . 8 0 0

JCR@2023

ESI HC Threshold:91

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 8

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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