Published at Renewable Energy – Study of enhanced gasification of biochar by non-thermal concentrating solar power using novel high-flux solar simulator thermogravimetric analyzer system

<p><a href="https://www.solarpaces.org/wp-content/uploads/2025/10/o.png"><img alt="" class="alignnone size-full wp-image-29925" height="817" src="https://www.solarpaces.org/wp-content/uploads/2025/10/o.png" width="750" /></a><br />
<strong>Abstract:</strong><br />
Currently the thermal effect of light has received extensive attention in the field of concentrating solar power gasification, but the non-thermal effect of light has been neglected. In this study, a high-flux solar simulator was coupled with a thermogravimetric analyzer and the thermal effects of concentrating solar power were effectively controlled. The non-thermal effect of concentrating solar power on the gasification of char was studied for the first time. It was found that the non-thermal effect of concentrating solar power significantly reduced the gasification reaction temperature and activation energy of the samples. The reaction mechanism of non-thermal effect was proposed by analyzing the microstructure and chemical structure of the samples with equal conversion rate. The self-catalysis of graphite carbon under high radiation intensity promotes the pyrolysis of biomass carbon to form a highly active carbon chain structure to promote the gasification reaction. This study proves the importance of non-thermal effects in the field of concentrating solar power gasification research, and direct irradiation may have higher economic benefits than indirect irradiation. However, the quantitative description of this non-thermal effect needs further study.</p>
<p><strong><em>Deng Zhao, Tianyu Wu, Jiantao Wang, Shuo Ling, Huashan Wang, Hua Liu, Hui Liu, Shuai Guo, Xiudong Wei, Study of enhanced gasification of biochar by non-thermal concentrating solar power using novel high-flux solar simulator thermogravimetric analyzer system, Renewable Energy, Volume 242, 2025, 122436, ISSN 0960-1481, </em><a href="https://doi.org/10.1016/j.renene.2025.122436" rel="noopener" target="_blank"><em>https://doi.org/10.1016/j.renene.2025.122436</em></a></strong></p>
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