World Smart Energy Week 2020
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Battery Japan Technical Conference Program

BJ-5 On the Frontlines of All-solid-state LIB Development
Feb. 28 (Fri) 14:00 - 16:00
コースリーダー : Course Leader :  Hironori Kobayashi, National Institute of Advanced Industrial Science and Technology (AIST) Hironori Kobayashi, National Institute of Advanced Industrial Science and Technology (AIST)
サブコースリーダー : Sub Course Leader :  Katsunori Kojima, Hitachi Chemical Co., Ltd. Katsunori Kojima, Hitachi Chemical Co., Ltd.

Development of Novel Materials and Construction of Solid-solid Interface for All-solid-state Batteries

From the viewpoint of a materials science researcher, methods for improving electrical conductivity and atmospheric stability of solid electrolytes, methods for building solid-solid interfaces, and mechanical properties of sulfide-based solid electrolytes will be discussed.
Osaka Prefecture University Assistant Professor, Atsushi Sakuda Atsushi Sakuda Assistant Professor, Osaka Prefecture University

Preparation of Sulfide-Based Solid Electrolytes from Liquid Phase and Fabrication of All-Solid-State Li Batteries

Development of superior solid electrolytes and their production processing are crucial for the fabrication of all-solid-state lithium ion batteries. In this lecture, first liquid phase preparation processing of sulfide-based solid electrolyte nano-particles is shown. Then new method to hybridize solid electrolytes and active materials in liquid phase will be described in detail.
Toyohashi University of Technology Graduate School of Engineering, Vice President, Professor, Atsunori Matsuda Atsunori Matsuda Vice President, Professor, Graduate School of Engineering, Toyohashi University of Technology
講演者プロフィール Speaker Profile
In 1987 graduated from Master of Engineering of Osaka Prefecture University, and during 1987-1997 worked at Nippon Sheet Glass Company, Ltd. During 1997-2002 Osaka Prefecture University, and 2002-present Toyohashi University of Technology. Now Vice President and Professor of Toyohashi University of Technology.

* Please note that the speaker has changed as above. (As of Jan. 24th)

Development of Small Batteries Including Oxide-based Solid-state Batteries for IoT Applications

Solid electrolytes with high ionic conductivity comparable to those of organic electrolytes have been found, and the practical application of solid batteries has become realistic. In particular, solid-state batteries using sulfide solid electrolytes are expected to improve the reliability and rapid chargeability of lithium-ion batteries for EVs. On the other hand, although the ionic conductivity of the oxide-based solid electrolyte is not yet sufficiently high, its application to small batteries used in IoT or near human devices is being examined because of its chemical stability and affinity to the manufacturing process of other solid-state devices.
This lecture will focus on the development of solid-state batteries using oxide-based solid electrolytes, as well as other small batteries suitable for these applications.
Murata Manufacturing Co., Ltd. Battery Development Dept., Device Center, Chief Material Researcher, Masayuki Nagamine Masayuki Nagamine Chief Material Researcher, Battery Development Dept., Device Center, Murata Manufacturing Co., Ltd.


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