<trans-title xml:lang="en">Effect of Graphene on Graphitization, Electrical and Mechanical Properties of Epoxy Resin Carbon Foam</trans-title>

Pingjun YANG; Tiehu LI; Hao LI; Alei DANG

doi:10.15541/jim20230385

Journal of Inorganic Materials, Volume. 39, Issue 1, 107(2024)

Effect of Graphene on Graphitization, Electrical and Mechanical Properties of Epoxy Resin Carbon Foam

Pingjun YANG^1,2, Tiehu LI^1,2、*, Hao LI^1,2、*, and Alei DANG^1,2

Author Affiliations

¹1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China

²2. Shaanxi Engineering Laboratory for Graphene New Carbon Materials and Applications, Xi’an 710072, China

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Figures & Tables(10)

1. Structure parameters of EP CF modified by different contents of graphene after graphitization treatment at 3000 ℃ for 0.5 h(a) XRD patterns; (b) Raman spectra. Colorful figures are available on website

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2. SEM images of modified EP CF by different graphene contents after graphitization treatment at 3000 ℃ for 0.5 h(a, a1) EP CF0; (b, b1) EP CF0.01; (c, c1) EP CF0.02; (d, d1) EP CF0.05; (e, e1) EP CF0.1

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3. HRTEM images of EP CF and its graphitization mechanism(a) EP CF0; (b) EP CF0.05; (c) Schematic diagram of graphitization mechanism of EP CF treated at 3000 ℃for 0.5 h

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4. Electrical conductivity of EP CF modified by different contents of graphene after treatment at 3000 ℃ for 0.5 h

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5. Mechanical properties of EP CF modified by different graphene contents after graphitization at 3000 ℃ for 0.5 h(a) Compressive strength; (b) Variation of stress with strain; Colorful figures are available on website

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S1. Graphene thickness analyzed by atomic force microscope

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S2. (a) Preparation of graphene modified EP CF; (b) Thermogravimetric curve of epoxy resin; (c) Foaming temperature curve of green EP CF

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S3. Cell sizes of different graphene contents modified EP CF prepared by graphitization treatment at 3000 ℃ for 0.5 h

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Table 1.
Crystalline parameters of EP CF modified by different graphene contents after treatment at 3000 ℃ for 0.5 h
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Table 1.
Crystalline parameters of EP CF modified by different graphene contents after treatment at 3000 ℃ for 0.5 h
Sample 2θ₀₀₂/(°) d₀₀₂/nm L_c/nm g/%
EP CF0 25.9 0.3431 3.35 8.42
EP CF0.01 25.6 0.343 3.62 11.22
EP CF0.02 25.77 0.343 4.22 11.22
EP CF0.05 26.27 0.342 10.22 23.2
EP CF0.1 26.1 0.3425 4.46 16.5

Table 2.
Physical, electrical and mechanical properties of EP CF modified by different graphene content after graphitization treatment at 3000 ℃ for 0.5 h
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Table 2.
Physical, electrical and mechanical properties of EP CF modified by different graphene content after graphitization treatment at 3000 ℃ for 0.5 h
Sample Density/(g·cm^-3) Electrical conductivity/(S·m^-1) Compressive strength/MPa
EP CF0 0.470 25.79 3.13
EP CF0.01 0.460 27.70 4.90
EP CF0.02 0.469 27.79 4.82
EP CF0.05 0.460 53.80 2.00
EP CF0.1 0.463 45.90 3.66

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Pingjun YANG, Tiehu LI, Hao LI, Alei DANG. Effect of Graphene on Graphitization, Electrical and Mechanical Properties of Epoxy Resin Carbon Foam[J]. Journal of Inorganic Materials, 2024, 39(1): 107

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Paper Information

Category:

Received: Aug. 28, 2023

Accepted: --

Published Online: Mar. 28, 2024

The Author Email: LI Tiehu (litiehu@nwpu.edu.cn), LI Hao (lihao@nwpu.edu.cn)

DOI:10.15541/jim20230385

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Crystalline parameters of EP CF modified by different graphene contents after treatment at 3000 ℃ for 0.5 h

Table 1. Crystalline parameters of EP CF modified by different graphene contents after treatment at 3000 ℃ for 0.5 h

Table 2. Physical, electrical and mechanical properties of EP CF modified by different graphene content after graphitization treatment at 3000 ℃ for 0.5 h

Table 2. Physical, electrical and mechanical properties of EP CF modified by different graphene content after graphitization treatment at 3000 ℃ for 0.5 h

Table 1.
Crystalline parameters of EP CF modified by different graphene contents after treatment at 3000 ℃ for 0.5 h

Table 1.
Crystalline parameters of EP CF modified by different graphene contents after treatment at 3000 ℃ for 0.5 h

Table 2.
Physical, electrical and mechanical properties of EP CF modified by different graphene content after graphitization treatment at 3000 ℃ for 0.5 h

Table 2.
Physical, electrical and mechanical properties of EP CF modified by different graphene content after graphitization treatment at 3000 ℃ for 0.5 h