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First Author & Corresponding Author (Hirofumi Sumi)

2023   2022   2021   2020   2019   2018   2017   2016   2015   2014   2013   2012   2011   2010   2009   2006   2005   2004   2003   2001  

2023

  • 38) H. Sumi, H. Shimada, K. Watanabe, Y. Yamaguchi, K. Nomura, Y. Mizutani, R. M. Matsuda, M. Mori, K. Yashiro, T. Araki and Y. Okuyama, "Investigation of Degradation Mechanisms by Overpotential Evaluation for Protonic Ceramic Fuel Cells", J. Power Sources, 582 (2023) 233528.
    https://doi.org/10.1016/j.jpowsour.2023.233528
  • 37) H. Sumi, H. Shimada, Y. Yamaguchi, K. Nomura and K. Sato, "Why Is the Performance Different between Small- and Large-scale SOFCs?", Electrochim. Acta, 443 (2023) 141965.
    https://doi.org/10.1016/j.electacta.2023.141965
  • 36) H. Sumi, H. Shimada, K. Watanabe, Y. Yamaguchi, K. Nomura, Y. Mizutani and Y. Okuyama, "External Current Dependence of Polarization Resistances for Reversible Solid Oxide and Protonic Ceramic Cells with Current Leakage", ACS Appl. Energy Mater., 6 (2023) 1853-1861.
    https://doi.org/10.1021/acsaem.2c03733

2022

2021

  • 35) H. Sumi, H. Shimada, Y. Yamaguchi, Y. Mizutani, Y. Okuyama and K. Amezawa, "Comparison of Electrochemical Impedance Spectra for Electrolyte-supported Solid Oxide Fuel Cells (SOFCs) and Protonic Ceramic Fuel Cells (PCFCs)", Sci. Rep., 11 (2021) 10622.
    https://doi.org/10.1038/s41598-021-90211-9
  • 34) H. Sumi, S. Takahashi, Y. Yamaguchi and H. Shimada, "Lanthanum-doped Ceria Interlayer between Electrolyte and Cathode for Solid Oxide Fuel Cells", J. Asian Ceram. Soc., 9 (2021) 609-616.
    https://doi.org/10.1080/21870764.2021.1905254

2020

  • 33) H. Sumi, H. Shimada, Y. Yamaguchi, T. Yamaguchi and Y. Fujishiro, "Degradation Evaluation by Distribution of Relaxation Times Analysis for Microtubular Solid Oxide Fuel Cells", Electrochim. Acta, 339 (2020) 135913.
    https://doi.org/10.1016/j.electacta.2020.135913
  • at) S. Takahashi, H. Sumi and Y. Fujishiro, "Influence of Cation Interdiffusion on Electrical Properties of Doped Ceria/Lanthanum Silicate Composite", Ceram. Int., 46 (2020) 20423-20428.
    https://doi.org/10.1016/j.ceramint.2020.05.134
  • as) S. Takahashi, H. Sumi and Y. Fujishiro, "Modification of Sinterability and Electrical Property by Bi2O3 Addition to La9.333Si6O26 for Co-sintering with Gd0.1Ce0.9O1.95", Inorg. Chem. Commun., 117 (2020) 107974.
    https://doi.org/10.1016/j.inoche.2020.107974

2019

  • 32) H. Sumi, E. Suda, M. Mori and A. Weber, "Infiltration of Lanthanum Doped Ceria into Nickel-Zirconia Anodes for Direct Butane Utilization in Solid Oxide Fuel Cells", J. Electrochem. Soc., 166 (2019) F301-F305.
    https://doi.org/10.1149/2.0891904jes
  • ar) H. Sumi, S. Nakabayashi, T. Kawada, Y. Uchiyama, N. Uchiyama and K. Ichihara, "Demonstration of SOFC Power Sources for Drones (UAVs; Unmanned Aerial Vehicles)", ECS Trans., 91(1) (2019) 149-157.
    https://doi.org/10.1149/09101.0149ecst
  • aq) S. Takahashi, H. Sumi and Y. Fujishiro, "Ceria/Lanthanum Silicate Bi-Layer Electrolytes for SOFC Operating at Intermediate Temperatures", ECS Trans., 91(1) (2019) 571-577.
    https://doi.org/10.1149/09101.0571ecst
  • ap) S. Takahashi, H. Sumi and Y. Fujishiro, "Development of Co-sintering Process for Anode-supported Solid Oxide Fuel Cells with Gadolinia-doped Ceria/Lanthanum Silicate Bi-layer Electrolyte", Int. J. Hydrogen Energy, 44 (2019) 23377-23383.
    https://doi.org/10.1016/j.ijhydene.2019.07.006

2018

  • ao) H. Wang, H. Sumi and S. A. Barnett, "Effect of High-temperature Ageing on (La,Sr)(Co,Fe)O3- Cathodes in Microtubular Solid Oxide Fuel Cells", Solid State Ionics, 323 (2018) 85-91.
    https://doi.org/10.1016/j.ssi.2018.05.019

2017

  • 31) H. Sumi, T. Yamaguchi, H. Shimada, Y. Fujishiro and M. Awano, "Internal Partial Oxidation Reforming of Butane and Steam Reforming of Ethanol for Anode-supported Microtubular Solid Oxide Fuel Cells", Fuel Cells, 17 (2017) 875-881.
    https://doi.org/10.1002/fuce.201700154
  • 30) H. Sumi, "Valency Effects of Cation Dopant on Ultraphosphate Glass Electrolytes for Intermediate Temperature Fuel Cells", J. Ceram. Soc. Jpn., 125 (2017) 829-832.
    https://doi.org/10.2109/jcersj2.17129
  • 29) H. Sumi, T. Yamaguchi, H. Shimada, K. Hamamoto, T. Suzuki and S. A. Barnett, "Direct Butane Utilization on Ni-(Y2O3)0.08(ZrO2)0.92-(Ce0.9Gd0.1)O1.95 Composite Anode-supported Microtubular Solid Oxide Fuel Cells", Electrocatal., 8 (2017) 288-293.
    https://doi.org/10.1007/s12678-017-0369-7
  • 28) H. Sumi, H. Shimada, Y. Yamaguchi and T. Yamaguchi, "Metal-supported Microtubular Solid Oxide Fuel Cells with Ceria-based Electrolytes", J. Ceram. Soc. Jpn., 125 (2017) 208-212.
    https://doi.org/10.2109/jcersj2.16221
  • 27) H. Sumi, H. Shimada, Y. Yamaguchi and T. Yamaguchi, "Effect of Anode Thickness on Polarization Resistance for Metal-Supported Microtubular Solid Oxide Fuel Cells", J. Electrochem. Soc., 164 (2017) F243-F247.
    https://doi.org/10.1149/2.0431704jes
  • 26) H. Sumi, E. Suda and M. Mori, "Blocking Layer for Prevention of Current Leakage for Reversible Solid Oxide Fuel Cells and Electrolysis Cells with Ceria-based Electrolyte", Int. J. Hydrogen Energy, 42 (2017) 4449-4455.
    https://doi.org/10.1016/j.ijhydene.2016.09.176
  • an) H. Sumi, Y. Yamaguchi, H. Shimada, Y. Fujishiro and M. Awano, "Development of a Portable SOFC System with Internal Partial Oxidation Reforming of Butane and Steam Reforming of Ethanol", ECS Trans., 80(9) (2017) 71-77.
    https://doi.org/10.1149/08009.0071ecst
  • am) H. Sumi, "Development of Compact-High Power Fuel Cell System", Clean Energy, 26(8) (2017) 8-12.
    http://www.nikko-pb.co.jp/products/detail.php?product_id=4120
  • al) H. Sumi, H. Shimada, Y. Yamaguchi and T. Yamaguchi, "Distribution of Relaxation Times Analysis for Optimization of Anode Thickness in Metal-Supported Microtubular Solid Oxide Fuel Cells", ECS Trans., 78(1) (2017) 2151-2157.
    https://doi.org/10.1149/07801.2151ecst

2016

  • 25) H. Sumi, H. Shimada, K. Sato and T. Hashida, "Estimation of Micro-size Defects in Electrolyte Thin-film by X-ray Stress Measurement for Anode-supported Solid Oxide Fuel Cells", Mech. Eng. J., 3 (2016) 16-00177.
    https://doi.org/10.1299/mej.16-00177
  • 24) H. Sumi, D. Kennouche, K. Yakal-Kremski, T. Suzuki, S. A. Barnett, D. J. Miller, T. Yamaguchi, K. Hamamoto and Y. Fujishiro, "Electrochemical and Microstructural Properties of Ni-(Y2O3)0.08(ZrO2)0.92-(Ce0.9Gd0.1)O1.95 Anode-supported Microtubular Solid Oxide Fuel Cells", Solid State Ionics, 285 (2016) 227-233.
    https://doi.org/10.1016/j.ssi.2015.07.005

2015

  • 23) H. Sumi, T. Ohshiro, M. Nakayama, T. Suzuki and Y. Fujishiro, "Prevention of Reaction between (Ba,Sr)(Co,Fe)O3 Cathodes and Yttria-stabilized Zirconica Electrolytes for Intermediate-temperature Solid Oxide Fuel Cells", Electrochim. Acta, 184 (2015) 403-409.
    https://doi.org/10.1016/j.electacta.2015.10.092
  • 22) H. Sumi, Y. Nakano, Y. Fujishiro and T. Kasuga, "Proton Conduction of MO-P2O5 Glasses (M = Zn, Ba) Containing a Large Amount of Water", Solid State Sci., 45 (2015) 5-8.
    https://doi.org/10.1016/j.solidstatesciences.2015.04.009
  • 21) H. Sumi, T. Yamaguchi, T. Suzuki, H. Shimada, K. Hamamoto and Y. Fujishiro, "Direct Hydrocarbon Utilization in Microtubular Solid Oxide Fuel Cells", J. Ceram. Soc. Jpn., 123 (2015) 213-216.
    https://doi.org/10.2109/jcersj2.123.213
  • aj) H. Sumi, H. Shimada, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Development of Microtubular Solid Oxide Fuel Cells using Hydrocarbon Fuels", Advances in Solid Oxide Fuel Cells and Electronic Ceramics, Ceram. Eng. Sci. Proc., 36(3) (2015) 93-104.
    https://doi.org/10.1002/9781119211501.ch10
  • ai) H. Sumi, "Development of Micro SOFC Power Generator", Petrotech, 38 (2015) 937-941.
    https://sekiyu-gakkai.org/search/list.html#38-12
  • ah) H. Sumi, T. Yamaguchi, T. Suzuki, H. Shimada, K. Hamamoto and Y. Fujishiro, "Development of Ceria-Based Microtubular Solid Oxide Fuel Cells", ECS Trans., 69(16) (2015) 61-67.
    https://doi.org/10.1149/06916.0061ecst
  • ag) H. Sumi, T. Yamaguchi, T. Suzuki, H. Shimada, K. Hamamoto and Y. Fujishiro, "Development of Micro Power Generator Using LPG-Fueled Microtubular Solid Oxide Fuel Cells", ECS Trans., 68(1) (2015) 201-208.
    https://doi.org/10.1149/06801.0201ecst
  • af) H. Sumi, "Development of Direct LPG-fueled Handy SOFC System", Catalysts Catalysis, 57 (2015) 169-173.
    https://catsj.jp/jnl/top?volume=57&issue=3

2014

  • 20) H. Sumi, T. Yamaguchi, T. Suzuki, H. Shimada, K. Hamamoto and Y. Fujishiro, "Effects of Anode Microstructures on Durability of Microtubular Solid Oxide Fuel Cells during Internal Steam Reforming of Methane", Electrochem. Commun., 49 (2014) 34-37.
    https://doi.org/10.1016/j.elecom.2014.10.006
  • 19) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Electrochemical Analysis for Anode-supported Microtubular Solid Oxide Fuel Cells in Partial Reducing and Oxidizing Conditions", Solid State Ionics, 262 (2014) 407-410.
    https://doi.org/10.1016/j.ssi.2014.01.012
  • ae) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Development of Portable SOFC System Using Microtubular Cells", ECS Trans., 56(1) (2014) 63-69.
    https://doi.org/10.1149/05601.0063ecst

2013

  • 18) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Effects of Anode Microstructure on Mechanical and Electrochemical Properties for Anode-Supported Microtubular Solid Oxide Fuel Cells", J. Am. Ceram. Soc., 96 (2013) 3584-3588.
    https://doi.org/10.1111/jace.12603
  • 17) H. Sumi, Y. Nakano, Y. Fujishiro and T. Kasuga, "Proton Conductivities and Structures of BaO-ZnO-P2O5 Glasses in the Ultraphosphate Region for Intermediate Temperature Fuel Cells", Int. J. Hydrogen Energy, 38 (2013) 15354-15360.
    https://doi.org/10.1016/j.ijhydene.2013.09.087
  • 16) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Experimental and Simulated Evaluations of Current Collection Losses in Anode-Supported Microtubular Solid Oxide Fuel Cells", J. Electrochem. Soc., 160 (2013) F1232-F1236.
    https://doi.org/10.1149/2.031311jes
  • 15) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "High Performance of La0.6Sr0.4Co0.2Fe0.8O3-Ce0.9Gd0.1O1.95 Nanoparticulate Cathode for Intermediate Temperature Microtubular Solid Oxide Fuel Cells", J. Power Sources, 226 (2013) 354-358.
    https://doi.org/10.1016/j.jpowsour.2012.11.015
  • 14) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Effect of Operating Temperature on Durability for Direct Butane Utilization of Microtubular Solid Oxide Fuel Cells", Electrochemistry, 81 (2013) 86-91.
    https://doi.org/10.5796/electrochemistry.81.86

2012

  • 13) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki and Y. Fujishiro, "Impact of Direct Butane Microtubular Solid Oxide Fuel Cells", J. Power Sources, 220 (2012) 74-78.
    https://doi.org/10.1016/j.jpowsour.2012.07.106
  • 12) H. Sumi, T. Yamaguchi, K. Hamamoto, T. Suzuki, Y. Fujishiro, T. Matsui and K. Eguchi, "AC Impedance Characteristics for Anode-supported Microtubular Solid Oxide Fuel Cells", Electrochim. Acta, 67 (2012) 159-165.
    https://doi.org/10.1016/j.electacta.2012.02.021

2011

  • 11) H. Sumi, P. Puengjinda, H. Muroyama, T. Matsui and K. Eguchi, "Effects of Crystal Structure of Yttria- and Scandia-stabilized Zirconia in Nickel-based SOFC Anodes on Carbon Deposition and Oxidation Behavior", J. Power Sources, 196 (2011) 6048-6054.
    https://doi.org/10.1016/j.jpowsour.2011.03.092
  • 10) H. Sumi, Y.-H. Lee, H. Muroyama, T. Matsui, M. Kamijo, S. Mimuro, M. Yamanaka, Y. Yakajima and K. Eguchi, "Effect of Carbon Deposition by Carbon Monoxide Disproportionation on Electrochemical Characteristics at Low Temperature Operation for Solid Oxide Fuel Cells", J. Power Sources, 196 (2011) 4451-4457.
    https://doi.org/10.1016/j.jpowsour.2011.01.061

2010

  • 9) H. Sumi, R. Kishida, J.-Y. Kim, H. Muroyama, T. Matsui and K. Eguchi, "Correlation between Microstructural and Electrochemical Characteristics during Redox Cycles for Ni-YSZ Anode of SOFCs", J. Electrochem. Soc., 157 (2010) B1747-B1752.
    https://doi.org/10.1149/1.3491345
  • 8) H. Sumi, Y.-H. Lee, H. Muroyama, T. Matsui and K. Eguchi, "Comparison Between Internal Steam and CO2 Reforming of Methane for Ni-YSZ and Ni-ScSZ SOFC Anodes", J. Electrochem. Soc., 157 (2010) B1118-B1125.
    https://doi.org/10.1149/1.3435320

2009

  • 7) H. Sumi, K. Kurachi, T. Hiroyama, Y. Umeda, K. Oshima and H. Kakiuchi, "Evaluation of Water-warming Characteristics of an Integrated Adsorption Heat Pump with Zeolite Absorbent", Kagaku Kogaku Ronbunshu, 35 (2009) 312-317.
    https://doi.org/10.1252/kakoronbunshu.35.312

2006

  • 6) H. Sumi, K. Ukai, M. Yokoyama, Y. Mizutani, Y. Doi, Y. Akiniwa and K. Tanaka, "Changes of Internal Stress in Solid-Oxide Fuel Cell During Red-Ox Cycle Evaluated by In Situ Measurement With Synchrotron Radiation", ASME J. Fuel Cell Sci. Technol., 3 (2006) 68-74.
    https://doi.org/10.1115/1.2134739

2005

  • 5) H. Sumi, M. Mizutani, Y. Doi, Y. Akiniwa and K. Tanaka, "In-situ Measurement of Internal Stresses in Solid Oxide Fuel Cells during Thermal Cycling by Synchrotron Radiation", J. Soc. Mat. Sci. Jpn., 54 (2005) 440-446.
    https://doi.org/10.2472/jsms.54.440
  • 4) H. Sumi, M. Mizutani, M. Takahashi, M. Sakurai, M. Watanabe and Y. Abe, "Possibility of Non-humidified Operation for Fuel Cells using Electrolyte of Protonic Conductors of Phosphate Glasses with Sr-Ba-Pb Series", Electrochemistry, 73 (2005) 194-198.
    https://doi.org/10.5796/electrochemistry.73.194

2004

  • 3) H. Sumi, M. Mizutani, M. Takahashi, M. Hayashi, T. Iwamoto, M. Sakurai, M. Watanabe and Y. Abe, "Characteristics of Fuel Cells using Protonic Conductors of Phosphate Glasses as Electrolyte", Electrochemistry, 72 (2004) 633-636.
    https://doi.org/10.5796/electrochemistry.72.633
  • 2) H. Sumi, K. Ukai, Y. Mizutani, H. Mori, C-J Wen, H. Takahashi and O. Yamamoto, "Performance of Nickel-Scandia-Stabilized Zirconia Cermet Anodes for SOFCs in 3% H2O-CH4", Solid State Ionics, 174 (2004) 151-156.
    https://doi.org/10.1016/j.ssi.2004.06.016

2003

  • aa) H. Sumi, K. Ukai, K. Hisada, Y. Mizutani and O. Yamamoto, "High Performance Cell Development Using Scandia Doped Zirconia Electrolyte for Low Temperature Operating", Proc. 8th Int. SOFC Symp., (2003) 995-1002.

2001

  • 1) H. Sumi, M. Kato, Y. Nishino, S. Asano and U. Mizutani, "Electrical Resistivity Anomaly and Magnetic Properties of Heusler-type Fe2VAl", J. Jpn. Inst. Metals, 65 (2001) 771-774.
    https://doi.org/10.2320/jinstmet1952.65.9_771