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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.118  No.1379 (July) (2010)  >  pp.620-622

Journal of the Ceramic Society of Japan
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SnP0.94 active material synthesized in high-boiling solvents for all-solid-state lithium batteries

Keigo ASO1), Hirokazu KITAURA1), Akitoshi HAYASHI1) and Masahiro TATSUMISAGO1)
1) Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University

  Tin phosphide (SnP0.94) particles were synthesized by thermal decomposition of tin acetate in a mixed solution of trioctylphosphine and a high-boiling solvent. Teardrop-shaped SnP0.94 particles with the size of about 500 nm were obtained by using trioctylphosphine oxide as a coordinating solvent. In the case using oleylamine as a solvent, the shape of SnP0.94 particles was not uniform. Formation mechanism of teardrop-shaped SnP0.94 was discussed. SnP0.94 particles prepared by using the trioctylphosphine oxide as a coordinating solvent were applied as an active material to all-solid-state lithium cells. The cell Li–In/80Li2S·19P2S5·1P2O5/SnP0.94 exhibited the initial discharge capacity of 1000 mAh g−1 at a current density of 1.3 mA cm−2.

All-solid-state battery, Lithium battery, SnP0.94, Negative electrode, High-boiling solvent, Thermal decomposition, Capping ability

Received: March 09, 2010
Accepted: May 20, 2010 , Published online: July 01, 2010
Copyright (c) 2010 The Ceramic Society of Japan



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