Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Mitsumasa Sakao"'
Autor:
Michiru Yamashita, Mitsuyasu Yatsuzuka, Keiichiro Ohnishi, Mitsumasa Sakao, Kohei Sawachika, Keiichi Asami, Tomoya Kuroshima, Yoshihiro Oka
Publikováno v:
Vacuum. 167:530-535
A silver nanocolloidal solution was prepared by a cavitation bubble plasma with a pair of silver rod electrodes in a sodium hydroxide water solution with the initial pH = 11.0. The cavitation bubble plasma was generated by the bipolar high voltage pu
Publikováno v:
Journal of The Electrochemical Society. 166:A5301-A5307
Publikováno v:
Solid State Ionics. 369:115727
Niobium-substituted hollandite-type titanium dioxides with different potassium content in the tunnel space, KxTi1–yNbyO2, were synthesized by potassium extraction method using H2SO4/H2O2 solution. Rietveld refinement from X-ray powder diffraction d
Publikováno v:
Solid State Ionics. 293:51-55
We have successfully fabricated c -axis oriented films of apatite-type lanthanum silicate (LSO) using sputtering technique. Two kinds of thin films, La 2 SiO 5 and La 2 Si 2 O 7 , were successively deposited on yttria-stabilized zirconia (YSZ) or La-
Autor:
Atsushi Saito, Yasushi Kagoshima, Junji Matsui, Mitsumasa Sakao, Mio Kobayashi, Mizuki Momai, Yuki Takayama, Hikaru Hayakawa, Ryohei Mori, Hideki Yoshioka, Atsushi Mineshige, Tetsuo Yazawa
Publikováno v:
Journal of Power Sources. 475:228543
An oxide ion (O2−) conducting membrane cell, based on lanthanum silicate oxyapatite (La9.33+xSi6O26+1.5x, LSO), exhibiting low ohmic and polarization resistances in the intermediate-temperature region (~873 K) was developed. As a solid electrolyte,
Autor:
Junji Akimoto, Yutaka Tanuma, Mitsumasa Sakao, Kaoru Igarashi, Kunimitsu Kataoka, Norihito Kijima
Publikováno v:
Solid State Ionics. 262:14-17
Single phase specimens of hollandite-type MnO2, TiO2, and KxTi1 − yMnyO2, were synthesized, and their electrochemical properties and crystal structures were investigated. The chemically prelithiated MnO2 and sufficiently K+-extracted TiO2 specimens
Publikováno v:
Key Engineering Materials. 566:111-114
A porous titania was synthesized by spray-drying of titania nanosheets exfoliated by (C4H9)4NOH. Nitrogen adsorption-desorption isotherms showed that the porous titania has a mesoporous structure composed of slit-shaped pores. The porous titania acte
Publikováno v:
Solid State Ionics. 243:22-29
Three hollandite-type K x TiO 2 specimens with different K content in the tunnel space were prepared by the K + ions extraction using HCl and HNO 3 /HCl solutions. The K x TiO 2 specimens worked as rechargeable electrode materials in the voltage rang
Publikováno v:
Solid State Ionics. 225:502-505
Publikováno v:
Key Engineering Materials. 485:123-126
Single phase specimen of K0.12TiO2 with hollandite-type structure was successfully synthesized by the solid-state reaction under Ar/H2 atomosphere. K+ ions were partially extracted from the parent K0.12TiO2 specimen by the HCl treatment. The K+-extra