Shigehi Mitsuoka | Researchain

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Featured researches published by Shigehi Mitsuoka.

Frontiers in Energy Research | 2016

High Lithium-Ion-Conducting NASICON-Type Li1+xAlxGeyTi2−x−y(PO4)3 Solid Electrolyte

Shang Xuefu; Hiroyoshi Nemori; Shigehi Mitsuoka; Peng Xu; Masaki Matsui; Yasuo Takeda; Osamu Yamamoto; Nobuyuki Imanishi

A water-stable solid electrolyte is a key material without which aqueous lithium-air batteries could not be operated. In this study, we have examined the electrical conductivity and mechanical properties of a water-stable lithium ion conducting solid electrolyte, Li1+xAlxGeyTi2-x-y(PO4)3 with the NASICON-type structure, as a function of the Al and Ge content. Li1+xAlxGeyTi2-x-y(PO4)3 was synthesized by the conventional solid-state reaction method. The highest lithium-ion conductivity of 1.0×10-3 S cm-1 at 25 °C and the highest three-point bending strength of 90 N mm-2 at room temperature were observed for a pellet of Li1.45Al0.45Ge0.2Ti1.35(PO4)3 sintered at 900 °C.

Solid State Ionics | 2015

Stability of garnet-type solid electrolyte LixLa3A2 -yByO12 (A = Nb or Ta, B = Sc or Zr)

Hiroyoshi Nemori; Yasuaki Matsuda; Shigehi Mitsuoka; Masaki Matsui; Osamu Yamamoto; Y. Takeda; Nobuyuki Imanishi

Archive | 1998

Coated piston and surface-treating film

Makoto Mihoya; Masaya Nomura; Shigehi Mitsuoka

Solid State Ionics | 2016

High lithium-ion conducting NASICON-type Li1 + x − yAlxNbyTi2 – x − y(PO4)3 solid electrolytes

Xuefu Shang; Hiroyoshi Nemori; Shigehi Mitsuoka; Yasuaki Mastuda; Yasuo Takeda; Osamu Yamamoto; Nobuyuki Imanishi

Archive | 1999

Sliding members comprising aluminum or aluminum alloys

Makoto Mihoya; Masaya Nomura; Shigehi Mitsuoka

Archive | 1998

Aluminum part, e.g. a piston, is surface treated to form a sliding film

Makoto Mihoya; Masaya Nomura; Shigehi Mitsuoka

Archive | 2013

LITHIUM-AIR BATTERY AND LITHIUM ANODE COMPOSITE THEREOF

Shigehi Mitsuoka; Ryo Komatsu; Hiroaki Izumi; Khalilur Rahman

Solid State Ionics | 2018

Aqueous lithium-air batteries with a lithium-ion conducting solid electrolyte Li1.3Al0.5Nb0.2Ti1.3(PO4)3

Hiroyoshi Nemori; Xuefu Shang; Hironari Minami; Shigehi Mitsuoka; Masaya Nomura; Hidetoshi Sonoki; Yohinori Morita; Daisuke Mori; Yasuo Takeda; Osamu Yamamoto; Nobuyuki Imanishi

PRiME 2016/230th ECS Meeting (October 2-7, 2016) | 2016