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Research Output 1992 2019

  • 1699 Citations
  • 20 h-Index
  • 64 Article
  • 37 Conference contribution
  • 1 Chapter
  • 1 Paper
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Article
2019

Overpotentials and reaction mechanism in electrochemical hydrogen pumps

Hao, Y. M., Nakajima, H., Inada, A., Sasaki, K. & Ito, K., Apr 1 2019, In : Electrochimica Acta. 301, p. 274-283 10 p.

Research output: Contribution to journalArticle

Hydrogen
Pumps
Cathodes
Anodes
Catalysts
2018
1 Citation (Scopus)
Flow fields
flow distribution
Electrolytes
electrolytes
membranes
3 Citations (Scopus)

Mass transport limitation in inlet periphery of fuel cells: Studied on a planar Solid Oxide Fuel Cell

Aydın, Ö., Ochiai, T., Nakajima, H., Kitahara, T., Ito, K., Ogura, Y. & Shimano, J., Sep 6 2018, In : International Journal of Hydrogen Energy. 43, 36, p. 17420-17430 11 p.

Research output: Contribution to journalArticle

solid oxide fuel cells
Solid oxide fuel cells (SOFC)
fuel cells
Fuel cells
Mass transfer
2017
5 Citations (Scopus)

A highly efficient and durable carbon nanotube-based anode electrocatalyst for water electrolyzers

Fujigaya, T., Shi, Y., Yang, J., Li, H., Ito, K. & Nakashima, N., Jan 1 2017, In : Journal of Materials Chemistry A. 5, 21, p. 10584-10590 7 p.

Research output: Contribution to journalArticle

Iridium
Carbon Nanotubes
Electrocatalysts
Carbon nanotubes
Anodes
2016
14 Citations (Scopus)

Anode gas recirculation for improving the performance and cost of a 5-kW solid oxide fuel cell system

Torii, R., Tachikawa, Y., Sasaki, K. & Ito, K., Sep 1 2016, In : Journal of Power Sources. 325, p. 229-237 9 p.

Research output: Contribution to journalArticle

solid oxide fuel cells
Solid oxide fuel cells (SOFC)
Anodes
anodes
Gases
8 Citations (Scopus)

Characterization of an electrochemical hydrogen pump with internal humidifier and dead-end anode channel

Hao, Y. M., Nakajima, H., Yoshizumi, H., Inada, A., Sasaki, K. & Ito, K., Aug 24 2016, In : International Journal of Hydrogen Energy. 41, 32, p. 13879-13887 9 p.

Research output: Contribution to journalArticle

Anodes
anodes
Pumps
pumps
membranes
11 Citations (Scopus)

Effects of operating conditions on performance of high-temperature polymer electrolyte water electrolyzer

Li, H., Inada, A., Fujigaya, T., Nakajima, H., Sasaki, K. & Ito, K., Jun 30 2016, In : Journal of Power Sources. 318, p. 192-199 8 p.

Research output: Contribution to journalArticle

overvoltage
Electrolytes
Polymers
electrolytes
Water
5 Citations (Scopus)
overvoltage
Boiling point
boiling
accumulators
Electrolytes
2015
6 Citations (Scopus)

Analysis and visualization of water flow impact on hydrogen production efficiency in solid polymer water electrolyzer under high-pressure condition

Ito, K., Maeda, Y., Sakaguchi, T., Tsukamoto, S., Inada, A., Tsuchiya, Y. & Nakajima, H., Jan 1 2015, In : International Journal of Hydrogen Energy. 40, 18, p. 5995-6003 9 p.

Research output: Contribution to journalArticle

Flow of water
water flow
hydrogen production
Hydrogen production
Visualization
2014
5 Citations (Scopus)

A solid polymer water electrolysis system utilizing natural circulation

Kobayashi, Y., Kosaka, K., Yamamoto, T., Tachikawa, Y., Ito, K. & Sasaki, K., Oct 2 2014, In : International Journal of Hydrogen Energy. 39, 29, p. 16263-16274 12 p.

Research output: Contribution to journalArticle

electrolysis
Electrolysis
polymers
Polymers
water
12 Citations (Scopus)

Cross-sectional visualization and analysis of droplet behavior in gas flow channel in PEFC

Lee, S. K. & Ito, K., 2014, In : Journal of the Electrochemical Society. 161, 1, p. F58-F66

Research output: Contribution to journalArticle

gaseous diffusion
Diffusion in gases
gas flow
Flow of gases
separators
1 Citation (Scopus)

Measurement system for solubility and self-diffusivity of hydrogen gas dissolved in polymer electrolyte membrane

Nagahisa, R., Kuriya, D., Muramatsu, H., Takata, Y., Ogawa, K. & Ito, K., Jan 1 2014, In : Journal of the Electrochemical Society. 161, 10

Research output: Contribution to journalArticle

dissolved gases
Electrolytes
diffusivity
Hydrogen
Polymers
4 Citations (Scopus)

Start-up characteristics of segmented-in-series tubular SOFC power modules improved by catalytic combustion at cathodes

Kobayashi, Y., Kosaka, K., Tomida, K., Matake, N., Ito, K. & Sasaki, K., Dec 1 2014, In : Fuel Cells. 14, 6, p. 1028-1035 8 p.

Research output: Contribution to journalArticle

Solid oxide fuel cells (SOFC)
Cathodes
Power generation
Heating
Specific heat
23 Citations (Scopus)

Theoretical analysis of supercooled states of water generated below the freezing point in a PEFC

Ishikawa, Y., Shiozawa, M., Kondo, M. & Ito, K., Jan 1 2014, In : International Journal of Heat and Mass Transfer. 74, p. 215-227 13 p.

Research output: Contribution to journalArticle

Freezing
melting points
Wetting
Water
Visualization
2013
7 Citations (Scopus)
Water content
Spatial distribution
Electrolytes
moisture content
fuel cells
1 Citation (Scopus)

Electrochemical characterization of hydrogen pump with internal humidifier and dead-end anode channel

Ito, K., Hao, Y. M., Nakajima, H., Yoshizumi, H. & Sasaki, K., 2013, In : ECS Transactions. 58, 1, p. 681-691 11 p.

Research output: Contribution to journalArticle

pump
Anodes
Pumps
hydrogen
Hydrogen
2011
5 Citations (Scopus)

A visualization study on relationship between water-droplet behavior and cell voltage appeared in straight, parallel and serpentine channel pattern cells

Masuda, H., Yamamoto, A., Sasaki, K., Lee, S. & Ito, K., Jul 1 2011, In : Journal of Power Sources. 196, 13, p. 5377-5385 9 p.

Research output: Contribution to journalArticle

Visualization
Water
Electric potential
electric potential
cells
101 Citations (Scopus)

Carbon-free Pt electrocatalysts supported on SnO2 for polymer electrolyte fuel cells: Electrocatalytic activity and durability

Takasaki, F., Matsuie, S., Takabatake, Y., Noda, Z., Hayashi, A., Shiratori, Y., Ito, K. & Sasaki, K., Aug 31 2011, In : Journal of the Electrochemical Society. 158, 10

Research output: Contribution to journalArticle

Electrocatalysts
Electrolytes
Fuel cells
Polymers
Durability
122 Citations (Scopus)

Chemical durability of Solid Oxide Fuel Cells: Influence of impurities on long-term performance

Sasaki, K., Haga, K., Yoshizumi, T., Minematsu, D., Yuki, E., Liu, R., Uryu, C., Oshima, T., Ogura, T., Shiratori, Y., Ito, K., Koyama, M. & Yokomoto, K., Nov 15 2011, In : Journal of Power Sources. 196, 22, p. 9130-9140 11 p.

Research output: Contribution to journalArticle

solid oxide fuel cells
Solid oxide fuel cells (SOFC)
durability
Durability
Impurities
64 Citations (Scopus)

Influence of water vapor on long-term performance and accelerated degradation of solid oxide fuel cell cathodes

Liu, R. R., Kim, S. H., Taniguchi, S., Oshima, T., Shiratori, Y., Ito, K. & Sasaki, K., Sep 1 2011, In : Journal of Power Sources. 196, 17, p. 7090-7096 7 p.

Research output: Contribution to journalArticle

cell cathodes
Steam
solid oxide fuel cells
Solid oxide fuel cells (SOFC)
Water vapor
2010
15 Citations (Scopus)

Degradation of solid oxide fuel cell cathodes accelerated at a high water vapor concentration

Kim, S. H., Shim, K. B., Kim, C. S., Chou, J. T., Oshima, T., Shiratori, Y., Ito, K. & Sasaki, K., Apr 1 2010, In : Journal of Fuel Cell Science and Technology. 7, 2, p. 210111-210116 6 p.

Research output: Contribution to journalArticle

Steam
Solid oxide fuel cells (SOFC)
Water vapor
Cathodes
Degradation
Magnetic resonance measurement
coils
Nuclear magnetic resonance
nuclear magnetic resonance
Electrolytes
Polymer membrane electrodes
Methanol
diffusion coefficient
methyl alcohol
Nuclear magnetic resonance
18 Citations (Scopus)

Phosphorus poisoning of Ni-cermet anodes in solid oxide fuel cells

Haga, K., Shiratori, Y., Nojiri, Y., Ito, K. & Sasaki, K., 2010, In : Journal of the Electrochemical Society. 157, 11

Research output: Contribution to journalArticle

Cermet Cements
phosphides
poisoning
solid oxide fuel cells
Solid oxide fuel cells (SOFC)
2009
98 Citations (Scopus)

Carbon-free pt electrocatalysts supported on SnO2 for polymer electrolyte fuel cells

Masao, A., Noda, S., Takasaki, F., Ito, K. & Sasaki, K., Jul 31 2009, In : Electrochemical and Solid-State Letters. 12, 9

Research output: Contribution to journalArticle

electrocatalysts
Electrocatalysts
Electrolytes
fuel cells
Fuel cells
3 Citations (Scopus)
signal detectors
dimensional measurement
fuel cells
Fuel cells
Current density
17 Citations (Scopus)

In situ measurement of temperature distribution across a proton exchange membrane fuel cell

Lee, S. K., Ito, K., Ohshima, T., Noda, S. & Sasaki, K., Jul 31 2009, In : Electrochemical and Solid-State Letters. 12, 9

Research output: Contribution to journalArticle

Proton exchange membrane fuel cells (PEMFC)
in situ measurement
fuel cells
Temperature distribution
Cathodes
Boltzmann transport equation
numerical analysis
Heat flux
Numerical analysis
Microfabrication
2008
39 Citations (Scopus)

Chlorine poisoning of SOFC Ni-cermet anodes

Haga, K., Shiratori, Y., Ito, K. & Sasaki, K., Nov 4 2008, In : Journal of the Electrochemical Society. 155, 12

Research output: Contribution to journalArticle

Cermet Cements
poisoning
Chlorine
Chlorine Compounds
solid oxide fuel cells
29 Citations (Scopus)
channel flow
Channel flow
Electrolytes
fuel cells
Flow of gases
29 Citations (Scopus)

Estimation of flooding in PEMFC gas diffusion layer by differential pressure measurement

Ito, K., Ashikaga, K., Masuda, H., Oshima, T., Kakimoto, Y. & Sasaki, K., Jan 10 2008, In : Journal of Power Sources. 175, 2, p. 732-738 7 p.

Research output: Contribution to journalArticle

differential pressure
gaseous diffusion
Diffusion in gases
Proton exchange membrane fuel cells (PEMFC)
pressure measurement
172 Citations (Scopus)

Poisoning of SOFC anodes by various fuel impurities

Haga, K., Adachi, S., Shiratori, Y., Ito, K. & Sasaki, K., Sep 30 2008, In : Solid State Ionics. 179, 27-32, p. 1427-1431 5 p.

Research output: Contribution to journalArticle

poisoning
Cermet Cements
Solid oxide fuel cells (SOFC)
Siloxanes
Sulfur Compounds
2007

Estimation of flooding in PEMFC gas diffusion layer by differential pressure measurement

Ito, K., Ashikaga, K., Kakimoto, Y., Oshima, T., Masuda, H. & Sasaki, K., Jul 1 2007, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 73, 7, p. 1556-1561 6 p.

Research output: Contribution to journalArticle

differential pressure
gaseous diffusion
Diffusion in gases
Proton exchange membrane fuel cells (PEMFC)
pressure measurement
3 Citations (Scopus)
transient response
Proton exchange membrane fuel cells (PEMFC)
two phase flow
Transient analysis
Two phase flow
16 Citations (Scopus)

Preparation and electrochemical activities of Pt-Ti alloy PEFC electrocatalysts

Kawasoe, Y., Tanaka, S., Kuroki, T., Kusaba, H., Ito, K., Teraoka, Y. & Sasaki, K., Aug 6 2007, In : Journal of the Electrochemical Society. 154, 9

Research output: Contribution to journalArticle

electrocatalysts
Electrocatalysts
polymer blends
Carbon Monoxide
Electrolytes
2006
3 Citations (Scopus)
signal detectors
Water content
moisture content
fuel cells
Fuel cells
2005

Numerical Simulation of DeNOx Performance by Repetitive Pulsed Discharge added by Hydrocarbon such as Ethylene

Kusunoki, H., Ibaraki, H., Araki, T., Onda, K. & Ito, K., Jan 1 2005, In : IEEJ Transactions on Power and Energy. 125, 2, p. 191-198 8 p.

Research output: Contribution to journalArticle

Ethylene
Hydrocarbons
Propylene
Computer simulation
Ammonia
3 Citations (Scopus)

Numerical simulation of de- N Ox performance by repetitive pulsed discharge when added with hydrocarbons such as ethylene

Onda, K., Kusunoki, H., Ito, K., Ibaraki, H. & Araki, T., Jan 15 2005, In : Journal of Applied Physics. 97, 2, 023301.

Research output: Contribution to journalArticle

ethylene
hydrocarbons
propylene
injection
ammonia
2004
6 Citations (Scopus)

Numerical analysis of repetitive pulsed-discharge de-Nox process with ammonia injection

Onda, K., Kusunoki, H., Ito, K. & Ibaraki, H., Apr 15 2004, In : Journal of Applied Physics. 95, 8, p. 3928-3936 9 p.

Research output: Contribution to journalArticle

numerical analysis
ammonia
injection
energy consumption
pulses
126 Citations (Scopus)

Prediction of production power for high-pressure hydrogen by high-pressure water electrolysis

Onda, K., Kyakuno, T., Hattori, K. & Ito, K., May 20 2004, In : Journal of Power Sources. 132, 1-2, p. 64-70 7 p.

Research output: Contribution to journalArticle

electrolysis
Electrolysis
Hydrogen
Water
hydrogen

Thermal behavior of small nickel/metal hydride battery during rapid charge and discharge cycle

Kageme, S., Ohshima, T., Nakayama, M., Ito, K. & Onda, K., Jan 1 2004, In : Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 70, 689, p. 223-228 6 p.

Research output: Contribution to journalArticle

metal hydrides
electric batteries
nickel
Hybrid vehicles
Electric vehicles
11 Citations (Scopus)

Transient Response Analysis of Polymer Electrolyte Fuel Cell Considering Equivalent Electric Circuit and Mass Conservation

Ito, K., Miyauchi, N., Onda, K., Koori, H. & Ito, K., Jan 1 2004, In : IEEJ Transactions on Power and Energy. 124, 3, p. 485-495 11 p.

Research output: Contribution to journalArticle

Transient analysis
Fuel cells
Conservation
Electrolytes
Networks (circuits)
2003
27 Citations (Scopus)

Cycle analysis of combined power generation by planar SOFC and gas turbine considering cell temperature and current density distributions

Onda, K., Iwanari, T., Miyauchi, N., Ito, K., Ohba, T., Sakaki, Y. & Nagata, S., Dec 1 2003, In : Journal of the Electrochemical Society. 150, 12

Research output: Contribution to journalArticle

Gas fuels
gas turbines
solid oxide fuel cells
Solid oxide fuel cells (SOFC)
Power generation
93 Citations (Scopus)

Experimental study on heat generation behavior of small lithium-ion secondary batteries

Onda, K., Kameyama, H., Hanamoto, T. & Ito, K., Mar 1 2003, In : Journal of the Electrochemical Society. 150, 3

Research output: Contribution to journalArticle

storage batteries
Secondary batteries
heat generation
Heat generation
Lithium
2 Citations (Scopus)

Numerical Analysis of Repetitive Pulsed-discharge DeNOx Process with Ammonia Injection

Kusunoki, H., Onda, K. & Ito, K., Jan 1 2003, In : IEEJ Transactions on Power and Energy. 123, 12, p. 1546-1553 8 p.

Research output: Contribution to journalArticle

Numerical analysis
Ammonia
Byproducts
Electrons
Air pollution
1 Citation (Scopus)

System Analysis of Planar Solid Oxide Fuel Cell Combined with Gas Turbine

Iwanari, T., Miyauchi, N., Ito, K., Onda, K. & Sakaki, Y., Jan 1 2003, In : IEEJ Transactions on Power and Energy. 123, 6, p. 683-690 8 p.

Research output: Contribution to journalArticle

Solid oxide fuel cells (SOFC)
Gas turbines
Systems analysis
Gas fuels
Reforming reactions
2002
1 Citation (Scopus)
Magnetic resonance
magnetic resonance
transport properties
Electrolytes
electrolytes