| 摘要 |
A heat accumulator which comprises a eutectic mixture of LiF and fluoride having a melting point of less than 850 DEG C of the group constituted by sodium fluoride and/or magnesium fluoride. The mixture may additionally comprise potassium fluoride and/or calcium fluoride. The heat accumulator is suitable for supplying thermal energy to a hot-gas engine and for use in heat accumulating ovens.
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