A gas-diffusion cathode coated with oxide-catalyst for polymer electrolyte fuel cells using neither platinum catalyst nor carbon catalyst-support
Takasu, Y; Fukunaga, H; Yang,HS; Ohashi, T; Suzuki, M; Sugimoto, W
Electrochimica Acta, 105, 224-229, 2013年08月
Catalytic etching of synthetic diamond crystallitesby iron
Ohashi, Tatsuya; Sugimoto, Wataru; Takasu, Yoshio
Applied Surface Science, 258(20), 8128-8133, 2012年08月
Synthesis of ordered mesoporous ruthenium by lyotropic liquid crystals and its electrochemical conversion to mesoporous ruthenium oxide with high surface area
Sugimoto, Wataru; Makino, Sho; Mukai, Ryota; Tatsumi, Yoshiaki; Fukuda, Katsutoshi; Takasu, Yoshio; Yamauchi, Yusuke
Journal of Power Sources, 204, 244-248, 2012年04月
Catalytic etching of {100}-oriented diamond coating with Fe, Co, Ni, and Pt nanoparticles under hydrogen
Ohashi, Tatsuya; Sugimoto, Wataru; Takasu, Yoshio
DIAMOND AND RELATED MATERIALS, 20(8), 1165-1170, 2011年08月
Steam activation of boron doped diamond electrodes
Ohashi, Tatsuya; Zhang, Junfeng; Takasu, Yoshio; Sugimoto, Wataru
Electrochimica Acta, 56, 5599-5604, 2011年06月
Oxygen reduction characteristics of several valve metal oxide electrodes in HClO(4) solution
Takasu, Yoshio; Suzuki, Masatoshi; Yang, Hongsheng; Ohashi, Tatsuya; Sugimoto, Wataru
Electrochimica Acta, 55(27), 8220-8229, 2010年11月
Structural analyses of RuO(2)-TiO(2)/Ti and IrO(2)-RuO(2)-TiO(2)/Ti anodes used in industrial chlor-alkali membrane processes
Takasu, Yoshio; Sugimoto, Wataru; Nishiki, Yoshinori; Nakamatsu, Shuji
Journal of Applied Electrochemistry, 40(10), 1789-1795, 2010年10月
Oxygen Reduction Activity of Silk-derived Carbons
Iwazaki, T; Yang, H;Obinata, R; Sugimoto, W; Takasu, Y
Journal of Power Sources, 195(18), 5840-5847, 2010年
Catalytic roughening of surface layers of BDD for various applications
Ohashi, Tatsuya; Sugimoto, Wataru; Takasu, Yoshio
Electrochimica Acta, 54(22), 5223-5229, 2009年09月
Activity and Durability of Ternary PtRuIr/C for Methanol Electro-oxidation
Geng, Dongsheng; Matsuki, Daisuke; Wang, Jiajia; Kawaguchi, Tomoyuki; Sugimoto, Wataru; Takasu, Yoshio
Journal of The Electrochemical Society, 156(3), B397-B402, 2009年
High oxygen-reduction activity of silk-derived activated carbon
Iwazaki, T; Obinata, R; Sugimoto, W; Takasu, Y
Electrochemistry Communications, 11(2), 376-378, 2009年
An Examination of the Oxygen Reduction Reaction on RuO2-based Oxide Coatings Formed on Titanium Substrates
Takasu, Y; Oohori, K; Yoshinaga, N; Sugimoto, W
CATALYSIS TODAY, 146(1-2), 248-252, 2009年
Oxygen reduction behavior of RuO2/Ti, IrO2/Ti and IrM (M : Ru, Mo, W, V) O-x/Ti binary oxide electrodes in a sulfuric acid solution
Takasu, Y; Yoshinaga, N; Sugimoto, W
Electrochemistry Communications, 10(4), 668-672, 2008年
Oxygen reduction behavior of rutile-type iridium oxide in sulfuric acid solution
Yoshinaga, N; Sugimoto, W; Takasu, Y
Electrochimica Acta, 54(2), 566-573, 2008年
High visible-light photocatalytic activity of nitrogen-doped titania prepared from layered titania/isostearate nanocomposite
T. Matsumoto,N. Iyi, Y. Kaneko, K. Kitamura, S. Ishihara, Y.Takasu, Y. Murakami
CATALYSIS TODAY, 120(2), 226-232, 2007年
Development of Materials and Evaluation Methods for PEFCs
Y. Takasu, W. Sugimoto, M. Yoshitake
Electrochemistry, 75(2), 105-114, 2007年
Evaluation of the Redox Behavior of Hydrous Ruthenium Oxides: Effect of Temperature and Acid Concentration on the electrochemical Behavior of Layered Ruthenium Oxide
W. Sugimoto, T. Ohta, K. Yokoshima, Y. Takasu
Electrochemistry, 75(8), 645-648, 2007年
Charge storage mechanism of nanostructured anhydrous and hydrous ruthenium-based oxides
Sugimoto, W; Yokoshima, K; Murakami, Y; Takasu, Y
Electrochimica Acta, 52(4), 1742-1748, 2006年12月, 査読有り
Effect of the crystal plane on the catalytic etching behavior of diamond crystallites by cobalt nanoparticles
Konishi, S; Ohashi, T; Sugimoto, W; Takasu, Y
Chemistry Letters, 35(11), 1216-1217, 2006年11月, 査読有り
Electrochemical supercapacitor behavior of nanoparticulate rutile-type Ru1-xVxO2
Yokoshima, K; Shibutani, T; Hirota, M; Sugimoto, W; Murakami, Y; Takasu, Y
Journal of Power Sources, 160(2), 1480-1486, 2006年10月, 査読有り
Performance of ternary PtRuRh/C electrocatalyst with varying Pt : Ru :Rh ratio for methanol electro-oxidation
Kawaguchi, T; Rachi, Y; Sugimoto, W; Murakami, Y; Takasu, Y
Journal of Applied Electrochemistry, 36(10), 1117-1125, 2006年10月, 査読有り
Co-catalytic effect of nanostructured ruthenium oxide towards electro-oxidation of methanol and carbon monoxide
Sugimoto, W; Saida, T; Takasu, Y
Electrochemistry Communications, 8(3), 411-415, 2006年03月, 査読有り
Catalytic creation of channels in the surface layers of highly oriented pyrolytic graphite by cobalt nanoparticles
S.Konishi, W.Sugimoto, Y.Murakami, Y.Takasu
Carbon, 44(11), 2338-2340, 2006年
Catalytic Formation of Nanochannels in the Surface Layers of Diamonds by Metal Nanoparticles
Yoshio Takasu,Shunsuke Konishi, Wataru Sugimoto,Yasushi Murakami
Electrochem.Solid-State Lett., 9(7), C114, 2006年
Fabrication of thin-film, flexible, and transparent electrodes composed of ruthenic acid nanosheets by electrophoretic deposition and application to electrochemical capacitors
Sugimoto, W; Yokoshima, K; Ohuchi, K; Murakami, Y; Takasu, Y
Journal of The Electrochemical Society, 153(2), A255-A260, 2006年, 査読有り
Investigation on the redox behavior of rutile-type Ti1-xVxO2
Yokoshima, K; Sugimoto, W; Murakami, Y; Takasu, Y
Electrochemistry, 73(12), 1026-1029, 2005年12月, 査読有り
Catalytic linear grooving of graphite surface layers by Pt, Ru, and PtRu nanoparticles
Takasu, Y; Konishi, S; Miyoshi, R; Nukii, K; Matsuse, T; Sugimoto, W; Murakami, Y
Chemistry Letters, 34(7), 1008-1009, 2005年07月, 査読有り
Preparation of a transparent and flexible self-standing film of layered titania/isostearate nanocomposite
Matsumoto, T; Iyi, N; Kaneko, Y; Kitamura, K; Masaki, S; Imai, T; Sugimoto, W; Takasu, Y; Murakami, Y
Journal of Materials Research, 20(5), 1308-1315, 2005年05月, 査読有り
Incorporation of ethylenediamine as a bi-layer in the interlayer space of tetratitanic acid by re-stacking exfoliated nanosheets
Sugimoto, W; Ohuchi, K; Murakami,Y; Takasu, Y
BULLETIN OF THE CHEMICALSOCIETY OF JAPAN, 78(4), 633-637, 2005年04月, 査読有り
Proton and electron conductivity in hydrous ruthenium oxides evaluated by electrochemical impedance spectroscopy:The origin of large capacitance
Sugimoto, W; Iwata, H; Yokoshima, K; Murakami, Y; Takasu, Y
JOURNAL OF PHYSICAL CHEMISTRY B, 109(15), 7330-7338, 2005年04月, 査読有り
Kinetics of CH3OH oxidation on PtRu/C studied by impedance and CO stripping voltammetry
Sugimoto, W; Aoyama, K; Kawaguchi, T; Murakami, Y; Takasu, Y
Journal of Electroanalytical Chemistry, 576(2), 215-221, 2005年03月, 査読有り
Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts preparedby an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes
Kawaguchi, T; Sugimoto, W; Murakami, Y; Takasu, Y
JOURNAL OF CATALYSIS, 229(1), 176-184, 2005年01月, 査読有り
Dependence of the Preparation Temperature of Pt0.7Co0.3/C Catalysts on the Structure of the Alloy Particles and the Carbon Supports
Y. Takasu, R. Matsuyama, S. Konishi, W. Sugimoto, Y. Murakami
Electrochem. Solid-State Lett., 8(9), B34-B37, 2005年
白金族金属酸化物被覆電極の構造解析この電極系の新たな利利用
高須芳雄
Electrochemistry, 72(3), 190-194, 2004年
Temperature Dependence of the Oxidation of Carbon Monoxide on the Carbon Supported Pt,Ru,and Ptru
T.kawaguchi,W.Sugimoto,Y.Murakami,Y.Takasu
Electrochem. commun., 6, 480-483, 2004年
塩触媒ゾルーゲル法による非晶質酸化物ミクロ多孔体の合成
田中一彦、村上泰、杉本渉、高須芳雄
化学と教育, 52(4), 271-274, 2004年
Electrochemical Capacitor Behavior of Layered Ruthenic Acid Hydrate
W.Sugimoto,H.Iwata,Y.Murakami,Y.Takasu
J.Electrochem. Soc, 151(8), A1181-A1187, 2004年
Preparation of Nitrogen-doped Anatase Titania by Treatment of Layered Titania/Isostearate Nanocomposite with Aqueous Ammonia
T. Matsumoto, N. Iyi, Y. Kaneko, K. Kitamura, Y. Takasu, Y. Murakami
Chem. Lett., 33(11), 1508-1509, 2004年
Evaluation of the pseudocapacitance in RuO2 with a RuO2/GC thin film electrode
W. Sugimoto, T. Kizaki, K. Yokoshima, Y. Murakami, Y. Takasu,
Electrochim. Acta, 49(2), 313-320, 2004年
Microporous Silica Particles Prepared by the Salt-Catalytic Sol-Gel Process with Extremely Low Content of Water
Y. Murakami, K. Tanaka, Y. Takechi, S. Takahashi, Y. Nakano, T. Matsumoto, W. Sugimoto, Y. Takasu
J. of Sol-Gel Sci. Tech.,, 29(1), 19-24, 2004年
Electrical and Magnetic Properties of Ion-Exchangeable Layered Ruthenates
W.Sugimoto, M.Omoto, K.Yokoshima, Y.Murakami, Y.Takasu
J.Solid State Chem., 177(12), 4542-4545, 2004年
Effects of the Surface Area of Carbon Support on the Characterization of Highly-Dispersed Pt-Ru Particles as Catalysts for Methanol Oxidation
Y. Takasu, T. Kawaguchi, W. Sugimoto, and Y. Murakami
Electrochim. Acta, 48(25-26), 3861-3868, 2003年
Characteristics of Highly Active PtRu/C Anode Catalysts for DMFC"
Y. Takasu, H. Itaya, T. Kawaguchi, W. Sugimoto, and Y. Murakami
Studies in SurfaceScience and Catalysis, 145, 279-282, 2003年
Electrocatalytic Oxidation of Methanol and Related Chemical Species on Ultrafine Pt and PtRu Particles Supported on Carbo
Y. Takasu, W. Sugimoto, and Y. Murakami
Catalysis Surveys from Asia, 7(1), 21-29, 2003年
Preparation of Ruthenic Acid Nanosheets and Utilization of Its Interlayer Surface for Electrochemical Energy Storage
W. Sugimoto, H. Iwata, Y. Yasunaga, Y. Murakami, and Y. Takasu
Angew. Chem. Int. Ed., 42(34), 4092-4096, 2003年
Microporous Structure of Alumina Prepared by a Salt Catalytic Sol-Gel Process
K. Tanaka, T. Imai, Y. Murakami, T. Matsumoto, W. Sugimoto, Y. Takasu
Chem. Lett., 2002(1), 110-111, 2002年
Charge Storage Capabilities of Rutile-Type RuO2-VO2 Solid Solution for Electrochemical Supercapacitors
W. Sugimoto, T. Shibutani, Y. Murakami, and Y. Takasu
Electrochem. Solid-State Lett., 5(7), A170-A172, 2002年
Electrophoretic deposition of negatively charged tetratitanate nanosheets and transformation into preferentially oriented TiO2(B) Film
W. Sugimoto, O. Terabayashi, Y. Murakami, Y. Takasu
J. Mater. Chem., 12, 3814-3818, 2002年
The Effect of the Nano and Microstructure of PtRu/C Electrocatalysts Towards Methanol and Carbon Monoxide Oxidation
W. Sugimoto, T. Kawaguchi, Y. Murakami, and Y. Takasu
Solid-State Ionics--2002, 756, FF6.4.1-FF6.4.6, 2002年
Effects of the addition of Calcium on the Pseudocapacitance of Ruthenium Oxide Electrodes
Y.Takasu,T.Ohnuma,S.Mizutani,W.Sugimoto,Y.Murakami
Electrochemistry, 69(6), 493-494, 2001年
Microporous Structure of Titanium Oxide Prepared by a Salt Catalytic Sol-Gel Process
K.Tanaka,Y.Murakami,T.Imai,T.Matsumoto,S.Furano,W.Sugimoto,Y.Takasu
Chem.Lett., 2001(12), 1280-1281, 2001年
Molybdenum Oxide/Activated Carbon Composite Electrodes as Electrochemical Supercapacitors
T.Ohnuma,W.Sugimoto,Y.Murakami,Y.Takasu
Advanced Batteries and Super Capacitors (ECS Proc.), 2001(21), 641-647, 2001年
Molybdenum Oxide/Carbon Composite Electrodes as Electrochemical Supercapacitors
W.Sugimoto,T.Ohnuma,Y.Murakami,Y.Takasu
Electrochem. Solid-State Lett., 4(9), A145-A147, 2001年
Size Effects of Ultrafine Pt-Ru Particles on the Electrocatalytic Oxidation of Methanol
Y.Takasu,H.Itaya,T.Iwazaki,R.Miyoshi,T.Ohnuma,W.Sugimoto,Y.Murakami
Chem.Commun., 2001, 341-342, 2001年
Effect of the Structure of Carbon-Supported PtRu Electrocatalysts on the Electrochemical Oxidation of Methanol
Y.Takasu,T.Fujiwara,Y.Murakami,K.Sasaki,M.Oguri,T.Asaki,W.Sugimoto
J.Electrochem.Soc.,, 147(12), 4421-4427, 2000年
Photochromism of titanium oxide gels prepared by the salt-catalytic sol-gel process
T.Matsumoto,Y.Murakami,Y.Takasu
Chem.Lett, (4), 348-349, 2000年
Size Control of Titanium Oxide Sheets by Regulating Catalysis in a Catalytic Sol-Gel Process and Their UV Absorption Properties
T. Matsumoto,Y.Murakami, Y.Takasu
J. Phys. Chem.B, 104(9), 1916-1920, 2000年
Size Effects of Platinum Particles on the Electro-oxidation of Methanol in an Aqueous Solution of HClO4
Y. Takasu,T.Iwazaki,W.Sugimoto,Y.Murakami
Electrochemistry Communications, 2(9), 671-674, 2000年
Design of Oxide Electrodes with Large Surface Area
Y. Takasu and Y. Murakami
Electrochim. Acta, 45(25-26), 4135-4141, 2000年
Design of Catalysts for Low-Temperature Synthesis of Highly Polymerized Titanium Oxides
Y.Murakami,T.Matsumoto,Y.Watanabe,Y.Takasu
Trans.Mater.Res.Soc.Jpn, 24, 425-427, 1999年
Preparation of a UV-absorbed transparent monolithic titanium oxide gel by the catalytic sol-gel process with a phenanthroline hydrochloride catalyst
T.Matsumoto,Y.Murakami,Y.Takasu
Chem.Lett, (2), 177-178, 1999年
Pseudocapacitance of Molybdenum Oxide Particles Highly Dispersed on Glassy Carbon Surface
Y.Takasu,T.Ohnuma,W.Sugimoto,Y.Murakami
Electrochemistry, 67(12), 1187-1188, 1999年
Salt Catalysts Containing Basic Anions and Acidic Cations for the Sol-Gel Process of Titanium Alkoxide: Controlling the Kinetics and Dimensionality of the Resultant Titanium Oxide
Y.Murakami,T.Matsumoto,Y.Takasu
J.Phs.Chem.B, 103(11), 1836-1840, 1999年
Ti-V-W-O/Ti Oxide Electrodes as Candidates for Electrochemical Capacitors
Y.Takasu,S.Mizutani,M.Kumagai,S.Sawaguchi,Y.Murakami
Electrochem.Solid-State Lett., 2(1), 1-2, 1999年
Surface Characterization of RuO2-SSn02 Coated Titanium Electrodes
M. Ito;Y. Murakami;H. Kaji;K. Yahikozawa;Y. Takasu
J. Electrochem. Soc., 143(1), 32-36, 1996年
Size effects of platinum particles on the electroreduction of oxygen
Y. Takasu;N. Ohashi;X. -G. Zhang;Y. Murakami;K. Yahikozawa
Electrochimica Acta, 41(16), 2595-2600, 1996年
Effects of rare earth chlorides on the preparation of porous ruthenium oxide electrodes
Y. Murakami;T. Kondo;Y. Shimoda;H. Kaji;K. Yahikozawa;Y. Takasu
J. Alloys and Compounds, 239(2), 111-113, 1996年