Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Koichiro Hinokuma"'
Autor:
Takeru Bessho, Harumi Takada, Ryo Sasaki, Yuto Takagi, Masato Kanno, Miki Kuribayashi, Kazuhiro Noda, Yoshiaki Obana, Koichiro Hinokuma, Cheng Zhu
Publikováno v:
Journal of Power Sources. 274:1276-1282
Carbon counter electrodes for dye-sensitized solar cells (DSSCs) have attracted strong attention due to their low material cost and practically high power conversion efficiency (PCE). However, there were issues in PCE stability observed during durabi
Autor:
Yongming Li, Kazuaki Fukushima, Koichiro Hinokuma, Takuro Hirakimoto, Tadashi Senoo, Shuichi Takizawa
Publikováno v:
ECS Transactions. 16:2067-2072
A fullerene-based compound with proton-conductive functional groups was synthesized and characterized for fuel cell applications. The fullerene-based proton conductor was mixed with polyvinylidene difluoride (PVdF) as a binder to form the electrolyte
Publikováno v:
Electrochemistry. 75:243-247
The nano-composite of the phosphoric acid derivative of fullerene ([PO(OH)2]2CC60) with SiO2 was synthesized using the in-situ reaction from [PO(OH)2]2CC60 with tetraethoxysilane (TEOS). The nano-composite was characterized using FT-IR measurements,
Autor:
Koichiro HINOKUMA, Yongming LI
Publikováno v:
Electrochemistry. 71:893-897
Autor:
Koichiro Hinokuma, Yoshio Nishi, Sai-Cheong Chung, Atsuo Yamada, Yoshihiro Kudo, Kuang-Yu Liu, Mamoru Hosoya
Publikováno v:
Journal of Power Sources. :232-238
The recent progress at Sony in the design of practical olivine-type cathodes is reviewed briefly. First principle calculations revealed LiFePO 4 is a semiconductor with ca. 0.3 eV band gap and LiMnPO 4 is an insulator with ca. 2 eV band gap, which se
Autor:
Koichiro Hinokuma, Yong Ming Li
Publikováno v:
Solid State Ionics. 150:309-315
The proton conductive property of methano [60] fullerene diphosphoric acid has been investigated under various humidity conditions at the temperature range between 15 and 45 °C. It shows proton conductivity as high as 10 −2 S cm −1 at 25 °C und
Autor:
Koichiro Hinokuma, Masafumi Ata
Publikováno v:
Chemical Physics Letters. 341:442-446
AC impedance of electronically insulative polyhydroxyfullerene C60(OH)12 showed conductivity of 7×10−6 S/cm at 295 K, which is attributable to proton conductivity. Activation energy of proton conduction in this material was 0.33 eV and it may corr
Publikováno v:
Journal of The Electrochemical Society. 142:2149-2156
The phase diagram of LiMn{sub 2}O{sub 4} over a wide oxygen pressure-temperature region was determined, and the thermodynamics of the oxygen extraction (the heat of reaction, {Delta}H, etc.) were estimated using thermal analysis, X-ray diffraction, s
Autor:
Atsuo Yamada, Yoshihiro Kudo, Mamoru Hosoya, Koichiro Hinokuma, Kuang-Yu Liu, Sai-Cheong Chung
Publikováno v:
Materials for Electrochemical Energy Conversion and Storage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95a8b6e79ce4a15dd96c519285bba7b3
https://doi.org/10.1002/9781118370858.ch20
https://doi.org/10.1002/9781118370858.ch20
Publikováno v:
Solid State Ionics. :636-641
Peroxo-polymolybdotungstates are formed by the direct reaction of a mixture of metallic Mo and W (for example, 5:5 mixture) with hydrogen peroxide solution. A homogeneous and amorphous thin film (0.4 microm, typically) is fabricated on an ITO glass s