用于光热转换和能量存储的掺杂 CsxWO3 的 PEG/红薯形稳复合材料

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

Journal of Polymer Engineering Pub Date : 2024-01-03 DOI:10.1515/polyeng-2023-0256

Yan Zhou, Xiangdong Liu, Dekun Sheng, Yuming Yang

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引用次数: 0

摘要

通过冻干和真空浸渍两个步骤的简便方法，制备出了掺杂铯钨青铜（CsxWO3）的 PEG/甘薯形态稳定复合材料。丰富的淀粉微球提高了 PEG 的负载能力，使其超过 72%，同时还提供了毛细管力和氢键，从而提高了复合材料的成型稳定性。在这里，含 0.99 wt% CsxWO3 的体系的潜热、相对结晶度 (Xc) 和光热转换效率分别达到 137.7 J/g、97.7 % 和 83.5 %。2.00 wt% CsxWO3 的光热转换效率从 64.3 % 提高到 91.1 %。此外，复合材料还具有更好的热稳定性和出色的热可靠性。所制备的生物基复合材料成本低廉，在储能领域具有广阔的应用前景。

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CsxWO3-doped PEG/sweet potato form-stable composites for light-thermal conversion and energy storage

Cesium tungsten bronze (CsxWO3)-doped PEG/sweet potato form-stable composites are fabricated through a facile two-step method of lyophilization and vacuum impregnation. Abundant starch microsphere enhances the PEG loading capacity above 72 % and also supplies capillary force as well as hydrogen bonding to improve the form-stability of the composites. Here, the latent heat, relative crystallinity (Xc), and light-thermal conversion efficiency of the system with 0.99 wt% CsxWO3 reach to 137.7 J/g, 97.7 %, and 83.5 %, respectively. The light-thermal conversion efficiency increases from 64.3 % to 91.1 % with 2.00 wt% CsxWO3. Besides, the composites exhibit improved thermal stability and excellent thermal reliability. The prepared bio-based composites with low-cost have broad application prospects in the field of energy storage.

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来源期刊

Journal of Polymer Engineering 工程技术-高分子科学

CiteScore

3.20

自引率

5.00%

发文量

审稿时长

2.5 months

期刊介绍： Journal of Polymer Engineering publishes reviews, original basic and applied research contributions as well as recent technological developments in polymer engineering. Polymer engineering is a strongly interdisciplinary field and papers published by the journal may span areas such as polymer physics, polymer processing and engineering of polymer-based materials and their applications. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes.