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Shigenori Hama

Researcher at Toyota

Publications -  50
Citations -  4694

Shigenori Hama is an academic researcher from Toyota. The author has contributed to research in topics: Electrolyte & Sulfide. The author has an hindex of 18, co-authored 50 publications receiving 3816 citations. Previous affiliations of Shigenori Hama include Tokyo Institute of Technology.

Papers
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Journal ArticleDOI

A lithium superionic conductor

Noriaki Kamaya, +10 more
- 01 Sep 2011 - 
TL;DR: A lithium superionic conductor, Li(10)GeP(2)S(12) that has a new three-dimensional framework structure that exhibits an extremely high lithium ionic conductivity of 12 mS cm(-1) at room temperature, which represents the highest conductivity achieved in a solid electrolyte, exceeding even those of liquid organic electrolytes.
Journal ArticleDOI

All-solid-state lithium secondary batteries using LiCoO2 particles with pulsed laser deposition coatings of Li2S–P2S5 solid electrolytes

Atsushi Sakuda, +4 more
- 15 Aug 2011 - 
TL;DR: In this paper, a composite electrode composed entirely of solid-electrolyte-coated LiCoO 2 was fabricated for all-solid-state cells and their performance was investigated.
Journal ArticleDOI

All-solid-state lithium secondary batteries using the 75Li2S·25P2S5 glass and the 70Li2S·30P2S5 glass—ceramic as solid electrolytes

Takamasa Ohtomo, +6 more
- 01 Jul 2013 - 
TL;DR: In this article, all-solid-state C/LiCoO 2 cells using those materials as solid electrolytes were assembled, and their cell performance were compared, and the cell using the 70Li 2 S·30P 2S 5 glass-ceramic showed superior rate performance to the cell with the 75Li 2S·25P 2 S 5 glass.
Journal ArticleDOI

Fabrication of electrode–electrolyte interfaces in all-solid-state rechargeable lithium batteries by using a supercooled liquid state of the glassy electrolytes

Hirokazu Kitaura, +4 more
- 01 Jan 2011 - 
TL;DR: In this paper, the softening behavior of a 80Li2S·20P2S5 (mol%) glass electrolyte was investigated and a favorable electrode-electrolyte interface was fabricated by sticking the supercooled liquid state of the 80Li 2S ·20P 2S5 electrolyte on active material particles.
Patent

Sulfide solid electrolyte material, battery, and method for producing sulfide solid electrolyte material

Ryoji Kanno, +6 more
TL;DR: In this article, a sulfide solid electrolyte material comprising an M 1 element, an M 2 element (such as a Ge element and a P element), and an S element was presented.