Alkali polyphosphates as new potential materials for thermal energy storage

• Published in: Solar energy Vol. 157; pp. 277 - 283
• Main Authors: Pham Minh, Doan, Sane, Abdoul Razac, Semlal, Nawal, Sharrock, Patrick, Nzihou, Ange
• Format: Journal Article
• Language: English
• Published: New York Elsevier Ltd 15.11.2017; Pergamon Press Inc; Elsevier
• Subjects: Alkali polyphosphate; Dehydration; Energy consumption; Energy storage; Engineering Sciences; Enthalpy; Heat; Heat storage; High temperature; Lithium; Molten salts; Photovoltaic cells; Polyphosphates; Potassium; Salts; Sensible heat; Sensible heat storage; Sodium; Sodium polyphosphate; Solar energy; Temperature effects; Thermal energy; Thermal energy storage; Sensible heat storage; Thermal energy storage; Alkali polyphosphate

•For the first time, alkali polyphosphates were investigated as materials for TES.•Monoalkali polyphosphate (MPO3) melts at 628, 657 and 812°C for M=Na, Li, K.•All monoalkali polyphosphates were stable up to 900°C without notable weight loss.•MPO3 may be used as material for sensible heat storage at...