Studies of the water adsorption on Zeolites and modified mesoporous materials for seasonal storage of solar heat

被引：277

作者：

Jänchen, J

Ackermann, D

Stach, H

Brösicke, W

机构：

[1] Univ Appl Sci Berlin, Fachhsch Tech & Wirtschaft, D-10318 Berlin, Germany

[2] ZeoSys GmbH, D-12489 Berlin, Germany

来源：

SOLAR ENERGY | 2004年 / 76卷 / 1-3期

关键词：

D O I：

10.1016/j.solener.2003.07.036

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Zeolites and mesoporous materials were systematically modified by ion exchange and impregnation with hygroscopic salts to improve their storage capacity in thermochemical storage of heat. The sorption properties of those potential storage materials against water were investigated with physico-chemical methods such as thermogravimetry, differential scanning calorimetry, microcalorimetry and isotherm measurements confirming the improvement of the storage properties. Selected materials were pelleted and investigated in a lab-scaled storage to prove the performance of the modified storage materials. Two zeolite based materials with a charging temperature of approximately 450 K but a high temperature lift and an improved storage density of up to 576 kJ/L were found. Impregnated mesoporous materials show a much lower temperature lift, however, they offer a potential storage density of about 864 kJ/L at a charging temperature of about 390 K. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：339 / 344

页数：6

共 9 条

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[Anonymous], [No title captured]

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