三水醋酸钠(CH3COONa·3H2O)由于潜热较高而常作为相变储能材料被众多学者研究;而其适宜的熔点,使其能适用于家用热水储能系统等.然而,三水合醋酸钠在相变过程中存在着严重的过冷和相分离的问题.本文以三水合醋酸钠作为相变基体材料,经研究、比较分别以羧甲基纤维素、明胶作为增稠剂,添加各种成核剂后的各体系的相变储能性能,从而得出羧甲基纤维素比明胶作为该体系的增稠剂的效果好得多,Na2SiO3·9H2O、Na2B4O7·10H2O的成核效果较好.
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