偏磷酸镍是一种无机化合物,化学式为Ni(PO3)2,它是单斜晶系晶体,空间群C2/c(No.15),以二聚体Ni2P4O12的形式存在,其中偏磷酸根离子为-O-P-O-相连的环状四聚体。[2]它可由磷酸二氢镍(Ni(H2PO4)2·2H2O)的热分解得到。[3]它在600 °C可以被氢气还原为Ni2PP[4]它可用作锂离子电池的电极材料。[5]

偏磷酸镍
识别
CAS号 14448-20-5  checkY
20669-73-2(二聚体)  checkY
性质
化学式 Ni(PO3)2
摩尔质量 216.64 g·mol⁻¹
外观 绿色晶体
密度 3.53 g·cm−3(二聚体)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

参考文献

编辑
  1. ^ Trojan, Miroslav; Mazan, Pavol. Yellow-green anticorrosive pigment with high thermal stability. 1988 CS 259337 B1.
  2. ^ A. Olbertz, D. Stachel, I. Svoboda, H. Fuess. Redetermination of the crystal structures of nickel cyclotetraphosphate, Ni2P4O12 and of cobalt cyclotetraphosphate, CO2P4O12. Zeitschrift für Kristallographie - New Crystal Structures. 1998-04, 213 (1-4): 255–256 [2021-11-29]. ISSN 2197-4578. doi:10.1524/ncrs.1998.213.14.255. (原始内容存档于2021-11-29). 
  3. ^ Mannanova, R. A.; Adylova, M.; Mirzaev, F. M.; Rustamov, E. Kh. Physicochemical studies of products of the reaction of nickel salts with components of double superphosphate. Zhurnal Neorganicheskoi Khimii, 1977. 22 (3): 619-621.
  4. ^ Hutter, Jean Claude. Action of hydrogen on phosphates (preparation of phosphorus at low temperature). Ann. chim. (Paris), 1953. 8: 450-497.
  5. ^ Qingbo Xia, Maxim Avdeev, Siegbert Schmid, Hongwei Liu, Bernt Johannessen, Chris D. Ling. Nickel Metaphosphate as a Conversion Positive Electrode for Lithium‐Ion Batteries. Batteries & Supercaps. 2021-01, 4 (1): 195–204 [2021-11-29]. ISSN 2566-6223. doi:10.1002/batt.202000164 (英语).