Search Results: 1-20 of 77

1

Impedance Analysis of a Micro Tubular Solid Oxide Fuel Cell : 1st Report, Separate Analysis of the Impedances of the Anode and Cathode(Thermal Engineering) [in Japanese]

NAKAJIMA Hironori , KONOMI Toshiaki , KITAHARA Tatsumi , IGAUE Satoshi

… A separate analysis of the anode and cathode impedances of a practical solid oxide fuel cell (SOFC) has been performed. … electrolyte, and an La_<0.6>Sr_<0.4>(Co_<0.2>Fe_<0.8>)O_3 cathode. … Measurements are carried out for the cell operated at 700℃ with varying flow rate and composition of H_2-N_2 mixture gas fed into the anode and those of air-O_2 mixture gas fed into the cathode. …

Transactions of the Japan Society of Mechanical Engineers. B 75(755), 1510-1516, 20090725

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2

Multi-Physics Modelling of Electrochemical Machining Process : Effects of One- and Two-Way Coupling Method on Modelling(Fluids Engineering) [in Japanese]

TSUBOI Ryo , YAMAMOTO Makoto

… However, a numerical method that can satisfactorily predict the ECM process has not been established because of the complex flow natures. … In this coupling method, we assumed that electrolyte and generated hydrogen bubbles over a,cathode surface have the same velocity. …

Transactions of the Japan Society of Mechanical Engineers. B 75(750), 203-212, 20090225

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3

Optimization of Enzyme Anode and Cathode with Polyion Complex for the Application to Biofuel Cells

KOMABA Shinichi , MITSUHASHI Toshihiko , SHIRAISHI Soshi

Electrochemistry 76(8), 619-624, 20080805

References (26)
4

Pentacyanoferrate and Bilirubin Oxidase-bound Polymer for Oxygen Reduction Bio-cathode

ISHIBASHI Kenji , TSUJIMURA Seiya , KANO Kenji

Electrochemistry 76(8), 594-596, 20080805

References (19)
5

Synthesis of Cobalt Complex Using Pyrrole Derivative with Basic Ligand and Application to Cathodic Catalyst for Oxygen Reduction [in Japanese]

MURATA Hidenori , IAI Yuichi , OTAKE Takahisa , OYAIZU Kenichi , KOZAWA Kozo , YUASA Makoto

Electrochemistry 75(12), 964-968, 20071205

References (24)
6

Performance Test of CW 300 GHz Gyrotron FU CW I

SAITO T , NAKANO T , HOSHIZUKI H , SAKAI K , TATEMATSU Y , MITSUDO S , OGAWA I , IDEHARA T , ZAPEVALOV V.E

… The maximumwindow power efficiency of 15.5%has been obtained at the cathode voltage slightly lower than 15 kV. … This gyrotron is designed to deliver a Gaussian beam after mode conversion from the oscillation mode TE_22,8 in the cavity with a complex of an internal radiator and beam shaping mirrors. …

International journal of infrared and millimeter waves 28(12), 1063-1078, 2007-12

IR
7

Performance Test of CW 300 GHz Gyrotron FU CW I

SAITO T. , NAKANO T , HOSHIZUKI H , SAKAI K , TATEMATSU Y , MITSUDO S , OGAWA I , IDEHARA T , ZAPEVALOV V.E

… The maximumwindow power efficiency of 15.5%has been obtained at the cathode voltageslightly lower than 15 kV. … This gyrotron is designed to deliver a Gaussian beam after modeconversion from the oscillation mode TE22,8 in the cavity with a complex of an internalradiator and beam shaping mirrors. …

Int. J. Infrared Millim. Waves 28(12), 1063-1078, 2007-12

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8

108 Bonding method of electrolyte and cathode for SOFC using superplastic ceramics as interlayer [in Japanese]

ABE Norimichi , MOTOHASHI Yoshinobu , SAKUMA Takaaki , MIYAZAKI Masato

… To produce thin films or complex forms of the electrolyte by using a superplustic phenomena is, therefore, very promising. … In this study, experiments to bond the electrolyte and cathode using superplastic ceramics 5ScSZ powder as an interlayer was carried out. … We used 10mol% scandia - lmol% yttria stabilized zirconia (10SclYSZ) as the electrolyte materials and LSM (La0.8Sr0.2MnO3) as the cathode material. …

茨城講演会講演論文集 : Ibaraki district conference 2007, 15-16, 20070928

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9

Electrolytic Reduction of Spent Light Water Reactor Fuel : Bench-Scale Experiment Results

HERRMANN Steven , LI Shelly , SIMPSON Michael

… A series of experiments were performed to demonstrate the electrolytic reduction of spent light water reactor fuel at bench-scale in a hot cell at the Idaho National Laboratory Materials and Fuels Complex. … In each run, ∼50 g of crushed spent oxide fuel was loaded into a permeable stainless steel basket and immersed into the electrolyte as the cathode. …

Journal of Nuclear Science and Technology 44(3), 361-367, 20070325

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10

Local Adhesion of Diamond-Like Carbon Films Coated on Substrates in a Trench-shaped Cathode

OHNISHI Masami , NOZAKI Hiroshi , OSAWA Hodaka , MINAKI Kazushi , KITAJIMA Koichi , YOKOTA Katsuhiro

… Since mechanical objects commonly possess complex shapes, it may be difficult to coat DLC on them in a uniform manner. … A scratch test defined the local adhesion of DLC coated by PBII attached at several places to SUS304 thin plates in a trench-shaped cathode. …

Shinku 50(5), 328-331, 2007

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11

Investigation of Carbon Materials as Supports for Metalloporphyrins Used for Cathode Catalyst in Fuel Cells [in Japanese]

YUASA Makoto , OYAIZU Kenichi , MURATA Hidenori , KITAO Mizuki , FUJITA Kenji

高分子論文集 63(9), 607-612, 20060925

References (33)
12

Improved Activity of Cathode Catalysts for Fuel Cells by Optimizing the Conditions for Preparation of Carbon Particles Modified with Cobalt-polypyrrole Complex [in Japanese]

YUASA Makoto , OYAIZU Kenichi , MURATA Hidenori , TANAKA Ken , YAMAMOTO Masakuni

高分子論文集 63(9), 601-606, 20060925

References (22)
13

Mass Transfer Analysis in PEFC Diffusion Layer by Lattice Gas Automata Method

YOSHIMOTO Takashi , MATSUKUMA Yosuke , INOUE Gen , MINEMOTO Masaki

… However, the experimental measurement of water movement is difficult because of the flow through the complex geometry of the diffusion layer. … Moreover, because the influence of prevention of gas diffusion by water on the cathode side was more pronounced than that by water on the anode side, it was determined that the cathode side affects cell performance markedly. …

JSME international journal. Ser. B, Fluids and thermal engineering 49(3), 653-659, 20060815

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14

Fabrication and Cathode Luminescence of Partially MgO-Substituted ZnO Powders

INOUE Koji , FUKUDA Koichiro , FUJI Masayoshi , HASHIMOTO Shinobu , HAYAKAWA Tomokatsu , HONDA Sawao , SHOYAMA Masashi , TORII Yasuyoshi

… The fabrication for hexagonal Zn_<1-x>Mg_xO (0.0≦x≦0.15) solid solution and the effect of partially substituted MgO on the cathode luminescence (CL) were investigated in this research. … A limited range of (Zn_<1-x>Mg_x) O solid solution was prepared using the thermal decomposition of complex Zn-Mg oxalate. … In the samples annealed at 1373 K for 2 h in a reduced atmosphere, green to blue cathode luminescence was observed. …

Journal of the Ceramic Society of Japan 114(1331), 620-623, 20060701

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15

Microscopic Analysis of Polymer Electrolyte Fuel Cell by Lattice Gas Automata

YOSHIMOTO Takashi , INOUE Gen , MATSUKUMA Yosuke , MINEMOTO Masaki

… However, the experimental measurement is difficult because of the flow through the complex geometry of the diffusion layer. … Moreover, since the influence of the gas diffusion prevention by water on the cathode side was more dominant than that on the anode side, it was shown that the concentration overpotential of the cathode side strongly affects a cell performance. …

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 39(5), 537-544, 20060501

CrossRef J-STAGE References (21)
16

Mass Transfer Analysis in PEFC Diffusion Layer by Lattice Gas Automata Method [in Japanese]

YOSHIMOTO Takashi , MATSUKUMA Yosuke , INOUE Gen , MINEMOTO Masaki

… However, the experimental measurement is difficult because of the flow through the complex geometry of diffusion layer. … Moreover, since the influence of gas diffusion prevention by water in the cathode side was more extremely than that in anode side, it was shown that concentration overpotential of cathode side affects a cell performance greatly. …

Transactions of the Japan Society of Mechanical Engineers. B 71(711), 2642-2648, 20051125

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17

Low Current Efficiency in MOX Deposition Tests

KOBAYASHI Tsuguyuki , FUKUSHIMA Mineo , FUJII Keiji

… A series of MOX deposition tests has been performed since 2001 at RIAR to clarify its complex phenomena and to improve its poor current efficiency. … In the 2001 tests, the cathode current efficiency was between 60 and 100% but the Pu fraction in the MOX was between 5 and 20%. … A new method was proposed to simulate the parasitic current due to the electrode reactions of UO22+/UO2+, Pu4+/Pu3+ and Fe3+/Fe2+ at the cathode. …

Journal of Nuclear Science and Technology 42(10), 861-868, 20051025

CrossRef J-STAGE References (12) Cited by (1)
18

Oxygen Reduction Catalysts for Fuel Cells Using Macromolecule-metal Complexes [in Japanese]

OYAIZU Kenichi , YUASA Makoto

Membrane 30(5), 254-259, 20050901

References (59) Cited by (1)
19

Experiment and Analysis of Mass Transfer in SrCe_<0.95>Yb_<0.05>O_<3-a> Fuel Cell using Complex Impedance Plot

FUKADA Satoshi , ONODA Ken , SUEMORI Shigenori

… For the application of proton-conducting ceramics to tritium pumps in nuclear fusion technology, mass-transfer process in a SrCe0.95Yb0.05O3−a fuel cell was studied experimentally and analytically using complex impedance plot based on an alternate current method. …

Journal of Nuclear Science and Technology 42(3), 305-311, 20050325

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20

Numerical simulation on water transport in a PEFC cathode with porous gas diffusion layer [in Japanese]

SAKAGUCHI Michihiro , HIRAI Shuichiro , NISHIDA Kosuke , TSUSHIMA Shohji

… Although high-performance PEFC is expected, understanding of mass transfer is not enough due to the complex structure of PEFC. … We calculated the distribution of water concentration to simulate water transfer in PEFC cathode with porous gas diffusion layer. …

Procee[d]ings of Thermal Engineering Conference 2004, 35-36, 20041110

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