偏磷酸鈷
偏磷酸鈷是一種無機化合物,化學式為Co(PO3)2,它是單斜晶系晶體,空間群C2/c(No.15),以二聚體Co2P4O12的形式存在,其中偏磷酸根離子為-O-P-O-相連的環狀四聚體。[2]它可由磷酸二氫鈷的熱分解製得。[3]它在75 °C可以被氫氣還原為Co2P和P。[4]它可用作電極材料。[5]
偏磷酸鈷 | |
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識別 | |
CAS號 | 14448-19-2 ![]() 20669-72-1(二聚體) ![]() |
性質 | |
化學式 | Co(PO3)2 |
摩爾質量 | 216.88 g·mol⁻¹ |
外觀 | 粉色晶體 |
密度 | 3.46 g·cm−3(二聚體)[1] |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
參考文獻
編輯- ^ Trojan, Miroslav; Mazan, Pavol; Mikulik, Pavel. Dicobalt cyclotetraphosphate as a thermally stable blue-violet anticorrosive pigment. 1988 CS 259734 B1.
- ^ 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. (原始內容存檔於2021-11-29).
- ^ M. Trojan, D. Brandová, Z. Šolc. Reaction of formation of c-Co2P4O12, a study using thermalanalysis methods. Thermochimica Acta. 1985-04, 85: 99–102 [2021-11-29]. doi:10.1016/0040-6031(85)85539-8. (原始內容存檔於2018-06-15) (英語).
- ^ Hutter, Jean Claude. Action of hydrogen on phosphates (preparation of phosphorus at low temperature). Ann. chim. (Paris), 1953. 8: 450-497.
- ^ Deepak R. Patil, B. Koteswararao, Krishna Begari, Arvind Yogi, Mahmoud Moussa, Deepak P. Dubal. Cobalt Cyclotetraphosphate (Co 2 P 4 O 12 ): A New High-Performance Electrode Material for Supercapacitors. ACS Applied Energy Materials. 2019-04-22, 2 (4): 2972–2981 [2021-11-29]. ISSN 2574-0962. doi:10.1021/acsaem.9b00447. (原始內容存檔於2021-11-29) (英語).