HAYASHI Akitoshi

J-GLOBAL         Last updated: Oct 5, 2018 at 18:16
 
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Name
HAYASHI Akitoshi
Affiliation
Osaka Prefecture University
Section
Graduate School of Engineering, Department of Applied Chemistry
Job title
Professor
Degree
Doctor of Engineering(Osaka Prefecture University)
ORCID ID
0000-0001-9503-5561

Research Areas

 
 

Academic & Professional Experience

 
Apr 2017
 - 
Today
Professor, Graduate School of Engineering, Osaka Prefecture University
 

Education

 
 
 - 
1999
Ph.D, Graduate School of Engineering, Osaka Prefecture University
 

Misc

 
Hirofumi Tsukasaki, Yota Mori, Misae Otoyama, So Yubuchi, Takamasa Asano, Yoshinori Tanaka, Takahisa Ohno, Shigeo Mori, Akitoshi Hayashi, Masahiro Tatsumisago
Scientific Reports   8    Dec 2018
© 2018 The Author(s). Sulfide-based all-solid-state lithium batteries are a next-generation power source composed of the inorganic solid electrolytes which are incombustible and have high ionic conductivity. Positive electrode composites comprisin...
Misae Otoyama, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago
Solid State Ionics   323 123-129   Oct 2018
© 2018 Elsevier B.V. Composite graphite negative electrodes were prepared by mixing graphite particles and 75Li2S·25P2S5(mol%) glass particles with weight ratios of x:100 − x (x = 50, 60 and 70). The cell with the x = 50 electrode showed the highe...
Motoshi Suyama, Atsutaka Kato, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago
Electrochimica Acta   286 158-162   Oct 2018
© 2018 Elsevier Ltd The use of Li metal anode is important for developing all-solid-state Li rechargeable batteries with high energy densities. In this study, all-solid-state Li symmetric cells using sulfide electrolytes in the Li3PS4-LiI system w...
Atsutaka Kato, Masashi Nose, Mirai Yamamoto, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago
Journal of the Ceramic Society of Japan   126 719-727   Sep 2018
© 2018 The Ceramic Society of Japan. All rights reserved. Sulfide glasses are considered to be promising electrolytes for all-solid-state batteries because of their high ionic conductivities and favorable mechanical properties. In this paper, comp...
Atsutaka Kato, Hiroe Kowada, Minako Deguchi, Chie Hotehama, Akitoshi Hayashi, Masahiro Tatsumisago
Solid State Ionics   322 1-4   Sep 2018
© 2018 Elsevier B.V. Li metal is an attractive negative electrode to achieve all-solid-state batteries with high energy density. Interface formation between Li metal and solid electrolytes is a key for the improvement of them. Here, we investigate...

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(挑戦的萌芽研究)
Project Year: 2011 - 2012    Investigator(s): Masahiro TATSUMISAGO
The purpose of the present study is the preparation of sulfide-based lithium ion conductive solid electrolyte from liquid phase. Powders of sulfide-based solid electrolyte (SE) with high lithium concentration were dissolved into N-methylformamide ...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(挑戦的萌芽研究)
Project Year: 2011 - 2012    Investigator(s): Akitoshi HAYASHI
Ionic conductors based on P_12TFSA plastic crystal were prepared and their thermal, electrical and electrochemical properties were examined. The prepared P_12TFSA-M(TFSA)_n (M=Li, Na or Mg; n=1 or 2) showed ionic conductivities. Li -doped P_12TFSA...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))
Project Year: 2009 - 2012    Investigator(s): Masahiro TATSUMISAGO
Glass-ceramic Li_2S-P_2S_5 electrolytes with a high conductivity of over 5×10^<-3>S cm^<-1>at room temperature were prepared by optimizing preparation conditions of mother glasses, crystallization conditions, glass compositions. Chemical stability...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(若手研究(A))
Project Year: 2007 - 2009    Investigator(s): Akitoshi HAYASHI
Development of all-solid-state lithium secondary batteries with high safety and reliability is highly demanded. In the present study, phosphorus-based anode materials and sulfur-based cathode materials with high capacity were mechanochemically syn...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2006 - 2008    Investigator(s): Masahiro TATSUMISAGO
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2003 - 2004    Investigator(s): Masahiro TATSUMISAGO
1.Glass ceramic materials with various compositions in the system Li_2S-P_2S_5 were prepared by mechanical milling of starting materials and subsequent heat treatment. The 70Li_2S-30P_2S_5 glass-ceramic obtained by crystallization of mechanically ...
Preparation of ion conducting glasses and their application to all-solid-state batteries