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    • 4. 发明申请
    • ARTICLES AND DEVICES FOR THERMAL ENERGY STORAGE AND METHODS THEREOF
    • 用于热能存储的文章和装置及其方法
    • WO2012021673A2
    • 2012-02-16
    • PCT/US2011/047355
    • 2011-08-11
    • DOW GLOBAL TECHNOLOGIES LLC.TUDOR, Jay, M.SOUKHOJAK, Andrey, N.BANK, David, H.SEHANOBISH, KalyanWALIA, Parvinder
    • TUDOR, Jay, M.SOUKHOJAK, Andrey, N.BANK, David, H.SEHANOBISH, KalyanWALIA, Parvinder
    • F24H7/00B65B31/02B65B1/04
    • F28D20/02F28D2020/0008F28F2225/00F28F2265/14F28F2275/06Y02E60/145
    • The present invention relates to articles 2 and heat storage devices 80 for storage of thermal energy. The articles 2 include a metal base sheet 12 and a metal cover sheet 14, wherein the metal base sheet and the metal cover sheet are sealingly joined to form one or more sealed spaces 18, The articles 2 include a thermal energy storage material 16 that is contained within the sealed spaces 18. The sealed spaces preferably are substantially free of wafer or includes liquid water at a concentration of about 1 percent by volume or less at a temperature of about 25 °C, based on the total volume of the sealed spaces 18. The articles include one or more of the following features: a) the pressure 36 in a sealed space is about 700 Torr or less, when the temperature of the thermal energy storage material is about 25 °C; b) the metal cover- sheet 14 includes one or more stiffening features 34, wherein the stiffening features Include indents into the sealed space, protrusions out of the sealed space, or both, that are sufficient in size and number to reduce the maximum von Mises stress in the cover sheet during thermal cycling; c) the metal cover sheet 14 and/or the metal base sheet 12 includes one or more volume expansion features 62; or d) the metal cover sheet has a thickness, t c , and the metal base sheet has a thickness, t b , wherein t c is greater than t b ; so that the article is durable. For example, the article does not leak after thermal cycling between about 25 °C and about 240 °C, for 1,000 cycles.
    • 本发明涉及用于储存热能的物品2和储热装置80。 制品2包括金属基片12和金属覆盖片14,其中金属基片和金属覆盖片被密封地接合以形成一个或多个密封空间18。物品2包括热能储存材料16 密封空间优选基本上不含晶片,或者基于密封空间18的总体积,在约25℃的温度下,包括浓度为约1体积%或更小的液体水 这些物品包括一个或多个以下特征:a)当储热材料的温度为约25℃时,密封空间中的压力36为约700托或更小; b)金属覆盖片14包括一个或多个加强特征34,其中加强特征包括在密封空间中的凹陷,密封空间中的突出物或两者的尺寸和数量足以减小最大von Mises 热循环过程中盖板的应力; c)金属覆盖片14和/或金属基片12包括一个或多个体积膨胀特征62; 或d)金属覆盖片具有厚度tc,并且金属基片具有厚度tb,其中tc大于tb; 使物品耐用。 例如,在约25℃至约240℃的热循环之后,该物品不会泄漏1,000次循环。