4.2 Article

Development of Li2TiS3-Li3NbS4 by a mechanochemical process

Journal

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
Volume 125, Issue 4, Pages 268-271

Publisher

CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
DOI: 10.2109/jcersj2.16272

Keywords

Sulfide; Battery; Electrode; Mechanochemical synthesis

Funding

  1. Research and Development Initiative for Scientific Innovation of New Generation Battery (RISING project) of the New Energy and Industrial Technology Development Organization (NEDO
  2. Japan)

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Solid solution of Li2TiS3 (Li-8/Ti-3(4)/S-3(4)) and Li3NbS4 were prepared using mechanochemical syntheses. The materials with cubic rock-salt structure were obtained over the full range of compositions (Li(8+x)/3Ti(4-4x)/3NbxS4;0 <= x <= 1). Lithium, titanium, and niobium randomly share the cationic site. Each material showed electrode activity and had a large reversible capacity of more than 350 mAh g(-1) with more than 3 electron process per composition formulas of Li(8+ x)/3Ti(4-4x)/3NbxS4. (C) 2017 The Ceramic Society of Japan. All rights reserved.

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