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Application of Ce-Eu/TiO_2 phase change material as the wall material to improve the indoor environment

机译：CE-EU / TiO_2相变材料在墙壁材料中应用改善室内环境

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摘要

Walls of buildings fitted with functional materials are beneficial for saving energy and increasing the comfort level. The Ce-Eu/TiO_2 phase change material mixed with gypsum as wall plaster materials could purify indoor air, store heat energy, and also control air humidity. This paper studied the thermal-photocatalytic-humidity performance of gypsum based functional materials for residential walls and evaluated the effects of its application. The latent heat of gypsum based functional materials was 23.57 J/g, whereas the phase transition temperature of 16.81 -24.97 °C, which was a comfortable temperature range for humans. After 11 h of testing the formaldehyde concentration decreased from 1.0 to 0.3144 mg m~(-3) and the degradation rate reached 68％. The maximum temperature difference between the experiment room and the contrast room could reach 3.9 °C. The relative humidity indoors of the experiment room was 38.40-62.30％, which was much more stable than that of the contrast room.
机译：装有功能材料的建筑物墙壁有利于节约能源并增加舒适程度。 CE-EU / TiO_2相变材料与石膏混合为壁式石膏材料可以净化室内空气，储存热能，以及控制空气湿度。本文研究了居住墙的石膏基功能材料的热光催化性能，并评估了其应用的影响。基于石膏的功能材料的潜热为23.57J / g，而相变温度为16.81 -24.97°C，这是人类的舒适温度范围。在测试11小时后，甲醛浓度从1.0降低至0.3144mg m〜（-3），降解率达到68％。实验室和对比室之间的最大温差可以达到3.9°C。实验室的相对湿度为38.40-62.30％，比对比室的稳定性要稳定。

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  • 来源
    《Journal of Materials Research》 |2021年第3期|615-627|共13页
  • 作者

    Zhifang Zong; Depeng Chen; Chunxiao Zhao; Gang Tang; Yilong Ji; Hao Zhang; Zhong Lv;

  • 作者单位

    Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling Anhui University of Technology Ma'anshan 243032 Anhui People's Republic of China State Key Laboratory for GeoMechanics and Deep Underground Engineering China University of Mining & Technology No. 1 Daxue Road Xuzhou 221116 Jiangsu People's Republic of China School of Civil Engineering and Architecture Anhui University of Technology No. 59 Hudong Road Ma'anshan 243032 Anhui People's Republic of China;

    School of Civil Engineering and Architecture Anhui University of Technology No. 59 Hudong Road Ma'anshan 243032 Anhui People's Republic of China;

    State Key Laboratory for GeoMechanics and Deep Underground Engineering China University of Mining & Technology No. 1 Daxue Road Xuzhou 221116 Jiangsu People's Republic of China;

    School of Civil Engineering and Architecture Anhui University of Technology No. 59 Hudong Road Ma'anshan 243032 Anhui People's Republic of China;

    Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling Anhui University of Technology Ma'anshan 243032 Anhui People's Republic of China;

    Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling Anhui University of Technology Ma'anshan 243032 Anhui People's Republic of China School of Civil Engineering and Architecture Anhui University of Technology No. 59 Hudong Road Ma'anshan 243032 Anhui People's Republic of China;

    School of Civil Engineering and Architecture Anhui University of Technology No. 59 Hudong Road Ma'anshan 243032 Anhui People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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