氟化磷酸盐
氟化磷酸盐[1]是由氟离子(F−
)和磷酸根(PO3−
4)构成的混合阴离子化合物。自然界中常见的氟化磷酸盐矿物有氟磷灰石(氟化三磷酸五钙,Ca5(PO4)3F)、氟磷镁石((Mg,Fe)2PO4F)等。人工合成的MIMIIPO4F(MI=Na, Li;MII=Fe, Mn, Co, Ni)可用于电化学的正极材料。[2]
合成
编辑氟化磷酸盐可由磷酸二氢铵-氟化钠和金属盐体系的固相法合成,或通过含磷酸-氟化钠(氢氟酸[3])的水热体系反应得到。[4]反应中也会加入其它试剂,如硼酸作为矿化剂。[5]
参考文献
编辑- ^ 中国化学会 无机化学命名原则 1980. pp. 19. (III)混盐和复盐. “……在名称中将分子量较小者放在前面”
- ^ 郑寅. 钠离子电池正极材料氟化磷酸盐的物理和电化学性质. 厦门大学. 2014.
- ^ Gwenaël Corbel, Georges Courbion, Françoise Le Berre, Marc Leblanc, Jean-Marc Le Meins, Vincent Maisonneuve, Nicolas Mercier. Synthesis from solutions and properties of various metal fluorides and fluoride salts. Journal of Fluorine Chemistry. 2001-02, 107 (2): 193–198 [2022-05-29]. doi:10.1016/S0022-1139(00)00358-4. (原始内容存档于2019-11-01) (英语).
- ^ Brian L. Ellis, W. R. Michael Makahnouk, W. N. Rowan-Weetaluktuk, D. H. Ryan, Linda F. Nazar. Crystal Structure and Electrochemical Properties of A 2 MPO 4 F Fluorophosphates (A = Na, Li; M = Fe, Mn, Co, Ni). Chemistry of Materials. 2010-02-09, 22 (3): 1059–1070 [2022-05-29]. ISSN 0897-4756. doi:10.1021/cm902023h. (原始内容存档于2022-06-03) (英语).
- ^ Feng Xu, Guang Peng, Chensheng Lin, Dan Zhao, Bingxuan Li, Ge Zhang, Shunda Yang, Ning Ye. Na 3 Sc 2 (PO 4 ) 2 F 3 : rational design and synthesis of an alkali rare-earth phosphate fluoride as an ultraviolet nonlinear optical crystal with an enlarged birefringence. Journal of Materials Chemistry C. 2020, 8 (14): 4965–4972 [2022-05-29]. ISSN 2050-7526. doi:10.1039/D0TC00281J (英语).