Study of photo-induced energy storage and heat release performances of anthracene-based long-chain molecular solar thermal fuels

LI Chonghua; XU Xingtang; JING Jieying; FENG Jie; LI Wenying

doi:10.12434/j.issn.2097-2547.20250095

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Study of photo-induced energy storage and heat release performances of anthracene-based long-chain molecular solar thermal fuels

更新时间：2025-08-25

- Study of photo-induced energy storage and heat release performances of anthracene-based long-chain molecular solar thermal fuels
- Vol. 50, Issue 8, Pages: 79-91(2025)
- 作者机构：
  
  太原理工大学省部共建煤基能源清洁高效利用国家重点实验室，山西太原 030024
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20250095
  CLC： TB34;TQ522.6
- Received：10 March 2025，
  
  Revised：02 April 2025，
  
  Published：25 August 2025
- 稿件说明：
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李崇华,徐兴堂,荆洁颖等.蒽基长链分子太阳能热燃料的光致储能与放热性能研究[J].低碳化学与化工,2025,50(8):79-91.

LI Chonghua,XU Xingtang,JING Jieying,et al.Study of photo-induced energy storage and heat release performances of anthracene-based long-chain molecular solar thermal fuels[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(8):79-91.
李崇华,徐兴堂,荆洁颖等.蒽基长链分子太阳能热燃料的光致储能与放热性能研究[J].低碳化学与化工,2025,50(8):79-91. DOI： 10.12434/j.issn.2097-2547.20250095.

LI Chonghua,XU Xingtang,JING Jieying,et al.Study of photo-induced energy storage and heat release performances of anthracene-based long-chain molecular solar thermal fuels[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(8):79-91. DOI： 10.12434/j.issn.2097-2547.20250095.

摘要

蒽作为煤焦油中一种高附加值基础化工原料，具有广泛的应用前景。以煤焦油中蒽为原料，基于蒽的光致二聚/解聚反应，通过化学反应成功制备了两种不同烷基链长度的蒽基分子太阳能热（MOST）燃料（ANT-1、ANT-2），研究了其光致储能和放热性能，以实现其高值化和多元化利用。采用FT-IR、

H NMR和HRMS对蒽基长链MOST燃料的结构进行了表征，并利用紫外可见吸收光谱和热分析等方法研究了蒽基长链MOST燃料的光致二聚/解聚性能、储能密度以及放热性能。结果表明，与蒽及其衍生物的储能密度（20~30 kJ/mol）相比，ANT-2二聚体的储能密度可提升至89.6 kJ/mol，存储半衰期也可延长至60.96 d，并且其表现出良好的热稳定性和循环稳定性。此外，ANT-2二聚体薄膜在紫外光触发下释放的热量可使自身温度升高5.4 °C，在智能温控领域有一定应用潜力。

Abstract

Anthracene

as a high value-added basic chemical raw material in coal tar

has a wide range of application prospects. Using anthracene from coal tar as the raw material

two kinds of anthracene-based molecular solar thermal (MOST) fuels with different alkyl chain lengths (ANT-1

ANT-2) were successfully prepared by chemical reaction based on the photodimerization/depolymerization of anthracene

and its photo-induced energy storage and heat release performances w

ere studied

in order to realize its high value and diversified utilization. The structures of anthracene-based long-chain MOST fuels were characterized by FT-IR

H NMR and HRMS

and the photodimerization/depolymerization performance

energy storage density and controllable heat release performance of the anthracene-based long-chain MOST fuels were studied by UV-Vis absorption spectroscopy and thermal analysis. The results show that compared with the energy storage density of anthracene and its derivatives (20 kJ/mol to 30 kJ/mol)

the energy storage density of ANT-2 dimer can reach 89.6 kJ/mol

and the energy storage half-life can be extended to 60.96 d

and it exhibits good thermal and cyclic stability. Moreover

the heat released by ANT-2 dimer film triggered by UV light can increase its own temperature by 5.4 ℃

which has some potential for application in the field of intelligent temperature control.

关键词

Keywords

references

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