The company claims that the high melting point of the material makes it capable of storing more energy than other phase change materials used in thermal storage. (energy-storage.news)
Sunamp appears to take this a step further, storing the excess energy in the same kind of phase change material used in those hand warmers you can buy from camping stores. (treehugger.com)
Thermic mass is reached by using clay plaster with phase changing materials for some walls. (treehugger.com)