Papers - TANIBATA Naoto
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X-ray Crystal Structure Analysis of Sodium-Ion Conductivity in 94Na3PS4-6Na4SiS4 Glass-Ceramic Electrolytes Reviewed International journal
Naoto Tanibata, Akitoshi Hayashi, Naoto Kitamura, Yasushi Idemoto, Masahiro Tatsumisago
ChemElectroChem 1 ( 7 ) 1130 - 1132 2014.07
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：WILEY-V C H VERLAG GMBH
Rietveld analysis of cubic Na3PS4 in the 94Na(3)PS(4)center dot 6Na(4)SiS(4) (mol%) glass ceramic indicates that two Na+ sites (Na1 and Na2) can be found in cubic Na3PS4 and that the phosphorus atoms in cubic Na3PS4 are partially replaced by silicon in the 94Na(3)PS(4)center dot 6Na(4)SiS(4) glass ceramic. The electron-density distribution of the cubic Na3PS4 structure, obtained by the maximumentropy method/Rietveld method, revealed that cubic Na3PS4 contains three-dimensional Na+ conduction pathways along the Na1 and Na2 sites. From the Rietveld analysis, the cubic Na3PS4 in the 94Na(3)PS(4)center dot 6Na(4)SiS(4) glass ceramic has a larger siteoccupancy of Na2 than that in the Na3PS4 glass ceramic, which may be responsible for the improvement in Na+ conductivity.
File： Manu..pdf
Other Link： http://orcid.org/0000-0001-8521-9690
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硫化物電解質を用いた全固体ナトリウム－硫黄系高容量電池の開発 Reviewed
林 晃敏, 谷端直人, 辰巳砂昌弘
Electrochemistry (電気化学および工業物理化学) 82 ( 3 ) 175 - 180 2014.05
Language：Japanese Publishing type：Research paper (scientific journal)
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Preparation and characterization of highly sodium ion conducting Na3PS4-Na4SiS4 solid electrolytes Reviewed International journal
Naoto Tanibata, Kousuke Noi, Akitoshi Hayashi, Masahiro Tatsumisago
RSC Advances 4 ( 33 ) 17120 - 17123 2014
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Royal Society of Chemistry (RSC)
<p>Glass–ceramic electrolyte in the system Na<sub>3</sub>PS<sub>4</sub>–Na<sub>4</sub>SiS<sub>4</sub> exhibits a high Na<sup>+</sup> ion conductivity of 7.4 × 10<sup>−4</sup> S cm<sup>−1</sup> at 25 °C.</p>
DOI： 10.1039/c4ra00996g
Other Link： http://orcid.org/0000-0001-8521-9690
