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Volume 14
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10.3390/nano14151308
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Article

Nano-Biochar Prepared from High-Pressure Homogenization Improves Thermal Conductivity of Ethylene Glycol-Based Coolant

by
Youheng Wang
1,2,3,
Xianjun Hou
1,2,3,*,
Hong Yu
1,2,
Weiwei Guan
1,2,
Yuxin Ma
1,2 and
Mohamed Kamal Ahmed Ali
4,5
1
Hubei Key Laboratory of Advanced Technology for Automotive Components, School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China
2
Hubei Collaborative Innovation Center for Automotive Components Technology, Wuhan 430070, China
3
Chongqing Research Institute, Wuhan University of Technology, Chongqing 410121, China
4
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
5
Automotive and Tractors Engineering Department, Faculty of Engineering, Minia University, El-Minia 61519, Egypt
*
Author to whom correspondence should be addressed.
Nanomaterials 2024, 14(15), 1308; https://doi.org/10.3390/nano14151308
Submission received: 16 July 2024 / Revised: 29 July 2024 / Accepted: 31 July 2024 / Published: 3 August 2024
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Abstract

As an environmentally friendly material, biochar is increasingly being utilized in the field of heat transfer and thermal conduction. In this study, nano-biochar was prepared from high-pressure homogenization (HPH) using sesame stalks as the raw material. It was incorporated into ethylene glycol (EG) and its dispersion stability, viscosity, and thermal conductivity were investigated. The nano-biochar was stably dispersed in EG for 28 days. When the concentration of the nano-biochar added to EG was less than 1%, the impact on viscosity was negligible. The addition of 5 wt.% nano-biochar to EG improved the thermal conductivity by 6.72%, which could be attributed to the graphitized structure and Brownian motion of the nano-biochar. Overall, nano-biochar has the potential to be applied in automotive thermal management.
Keywords: thermal management system; sesame stalks; dynamic viscosity; dispersion stability thermal management system; sesame stalks; dynamic viscosity; dispersion stability

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MDPI and ACS Style

Wang, Y.; Hou, X.; Yu, H.; Guan, W.; Ma, Y.; Ali, M.K.A. Nano-Biochar Prepared from High-Pressure Homogenization Improves Thermal Conductivity of Ethylene Glycol-Based Coolant. Nanomaterials 2024, 14, 1308. https://doi.org/10.3390/nano14151308

AMA Style

Wang Y, Hou X, Yu H, Guan W, Ma Y, Ali MKA. Nano-Biochar Prepared from High-Pressure Homogenization Improves Thermal Conductivity of Ethylene Glycol-Based Coolant. Nanomaterials. 2024; 14(15):1308. https://doi.org/10.3390/nano14151308

Chicago/Turabian Style

Wang, Youheng, Xianjun Hou, Hong Yu, Weiwei Guan, Yuxin Ma, and Mohamed Kamal Ahmed Ali. 2024. "Nano-Biochar Prepared from High-Pressure Homogenization Improves Thermal Conductivity of Ethylene Glycol-Based Coolant" Nanomaterials 14, no. 15: 1308. https://doi.org/10.3390/nano14151308

APA Style

Wang, Y., Hou, X., Yu, H., Guan, W., Ma, Y., & Ali, M. K. A. (2024). Nano-Biochar Prepared from High-Pressure Homogenization Improves Thermal Conductivity of Ethylene Glycol-Based Coolant. Nanomaterials, 14(15), 1308. https://doi.org/10.3390/nano14151308

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