CO₂-crosslinked cellulose for radiative-cooling-driven passive thermoelectric devices: one stone, two birds.

IF 12.2 2区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Materials Horizons Pub Date : 2025-03-04 DOI:10.1039/d5mh00020c

Legeng Li, Doudou Xing, Hao Yu, Zhihan Wang, Yingjie Zhou, Feng Yan

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引用次数: 0

Abstract

Radiative-cooling-driven passive thermoelectric devices (RC-TEDs) offer a potentially sustainable energy solution. However, most RC-TED strategies utilize unsustainable polymers. Herein, a green and sustainable CO₂-crosslinked cellulose (Pulp-CO₂) was developed for simultaneous use as a passive radiative cooling membrane and an ionogel thermoelectric scaffold. The incorporation of CO₂ in the form of carbonate group linkages in the cellulose backbone resulted in a superior passive radiative cooling effect of the membrane and improved the thermoelectric efficiency of the ionogel compared to the pure pulp. The integrated RC-TED, comprising the Pulp-CO₂ membranes and ionogels, exhibited an impressive thermal voltage output of 1200 mV with a subambient temperature reduction of 5.0 °C under simulated solar radiation (280 W m^-2), highlighting its potential in low-grade energy harvesting. Thus, this all-cellulose inspired RC-TED device showcases a promising and sustainable strategy for converting solar energy into electricity cost-effectively.

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用于辐射冷却驱动的被动热电装置的二氧化碳交联纤维素：一石二鸟。

辐射冷却驱动的无源热电器件（rc - ted）提供了一种潜在的可持续能源解决方案。然而，大多数RC-TED策略使用不可持续的聚合物。本文开发了一种绿色可持续的二氧化碳交联纤维素（纸浆- co2），可同时用作被动辐射冷却膜和离子凝胶热电支架。与纯纸浆相比，二氧化碳以碳酸盐基团键的形式在纤维素主链中掺入，使膜具有优越的被动辐射冷却效果，并提高了离子凝胶的热电效率。在模拟太阳辐射（280 W m-2）下，由纸浆- co2膜和离子凝胶组成的集成RC-TED显示出令人印象深刻的1200 mV热电压输出，亚环境温度降低5.0°C，突出了其在低品位能量收集方面的潜力。因此，这种全纤维素启发的RC-TED设备展示了一种有前途的可持续战略，可以经济有效地将太阳能转化为电能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Horizons CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

18.90

自引率

2.30%

发文量

306

审稿时长

1.3 months

期刊介绍： Materials Horizons is a leading journal in materials science that focuses on publishing exceptionally high-quality and innovative research. The journal prioritizes original research that introduces new concepts or ways of thinking, rather than solely reporting technological advancements. However, groundbreaking articles featuring record-breaking material performance may also be published. To be considered for publication, the work must be of significant interest to our community-spanning readership. Starting from 2021, all articles published in Materials Horizons will be indexed in MEDLINE©. The journal publishes various types of articles, including Communications, Reviews, Opinion pieces, Focus articles, and Comments. It serves as a core journal for researchers from academia, government, and industry across all areas of materials research. Materials Horizons is a Transformative Journal and compliant with Plan S. It has an impact factor of 13.3 and is indexed in MEDLINE.