O. Yu. Ponomareva, S. V. Sumnikov, R. N. Vasin, E. A. Korneeva, N. Yu. Samoylova
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引用次数: 0
Abstract
Prussian white is the promising cathode material for rechargeable sodium ion batteries. Here we study phase transitions in commercial Prussian White powder with particle size up to ~10 μm, which was chemically enriched with sodium, and synthesized sodium-enriched Prussian White with particle size of ~1 μm. X-ray diffraction was used to track structural changes during heating up to 250°C. Both powders were found to undergo the transformation of initial rhombohedral phase to dehydrated rhombohedral phase through a formation of cubic phase. Smaller particle size of the synthesized powder leads to more effective dehydration, which decreases temperatures of all phase transitions by ≈10°C compared to commercial Na-enriched Prussian White.
期刊介绍：
The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.
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