Thermal and mechanical properties of graphite foam/Wood's alloy composite for thermal energy storage

被引：39

作者：

Zhong, Yajuan ^{[1
,2
]}

Guo, Quangui ^{[1
]}

Li, Sizhong ^{[1
,2
]}

Shi, Jingli ^{[1
]}

Liu, Lang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, Key Lab Carbon Mat, Taiyuan 030001, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

CARBON | 2010年 / 48卷 / 05期

关键词：

PHASE-CHANGE MATERIALS; CARBON FOAMS; MESOPHASE-PITCH; CONDUCTIVITY; MANAGEMENT;

D O I：

10.1016/j.carbon.2010.01.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Thermal and mechanical properties of graphite foam/Wood's alloy (50B1/27Pb/13Sn/10Cd) composites for thermal energy storage were investigated As compared with the alloy and graphite foam, thermal conductivity of the composites (193 74 W/mK) increased 2 times Significant reduction in coefficient of thermal expansion of the composite compared with that of the alloy (7 82 vs 24 81 ppm/K) was obtained The latent heat of the composite remained very close to the value of the alloy alone Moreover, alloy filled into graphite foam enhanced the mechanical properties of the graphite foam both in the solid phase and melting phase (C) 2010 Elsevier Ltd All rights reserved

引用

页码：1689 / 1692

页数：4

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