HIROKI MIYAOKA

Last Updated :2021/04/05

Affiliations, Positions
Natural Science Center for Basic Research and Development, Associate Professor
Web Site
E-mail
miyaokah2.hiroshima-u.ac.jp
Other Contact Details
1-3-1 Kagamiyama, Higashi-Hiroshima, Japan
TEL : (+81)82-424-4604 FAX : (+81)

Basic Information

Major Professional Backgrounds

  • 2009/03/01, 2011/03/31, Hiroshima University, Institute for Advanced Materials Research, Assistant Professor (Special Appointment)
  • 2011/04/01, 2016/03/31, Hiroshima University, The Institute for Sustainable Sciences and Development, Lecturer (Special Appointment)
  • 2007/04/01, 2009/02, Hiroshima University, Institute for Advanced Materials Research, Research Fellow of the Japan Society for the Promotion of Science
  • 2016/04/01, 2017/03/31, Hiroshima University, Institute for Advanced Materials Research, Associate Professor

Academic Degrees

  • Doctor of Philosophy, Hiroshima University
  • Master of Science, Hiroshima University

Educational Activity

  • 【Master's Program】Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Quantum Matter Program
  • 【Master's Program】Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Transdisciplinary Science and Engineering Program
  • 【Doctoral Program】Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Quantum Matter Program
  • 【Doctoral Program】Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Transdisciplinary Science and Engineering Program

Research Fields

  • Engineering;Material engineering;Structural / Functional materials

Research Keywords

  • Hydrogen, Hydrogen storage, Hydrogen production, Energy conversion, sustainable material science

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2021, Liberal Arts Education Program1, 2Term, Perspectives in Physics A
  2. 2021, Undergraduate Education, 3Term, Inorganic Chemistry I
  3. 2021, Undergraduate Education, 4Term, Inorganic Chemistry II
  4. 2021, Graduate Education (Master's Program) , 1Term, Introduction to Physics and Material Science
  5. 2021, Graduate Education (Master's Program) , 1Term, Introduction to Physics and Material Science
  6. 2021, Graduate Education (Master's Program) , 4Term, Exercises in Basic Sciences of Matter B
  7. 2021, Graduate Education (Master's Program) , First Semester, Seminar on Basic Sciences of Matter A
  8. 2021, Graduate Education (Master's Program) , Second Semester, Seminar on Basic Sciences of Matter B
  9. 2021, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Basic Sciences of Matter
  10. 2021, Graduate Education (Master's Program) , 1Term, Exercises in Basic Sciences of Matter A
  11. 2021, Graduate Education (Master's Program) , 2Term, Exercises in Basic Sciences of Matter A
  12. 2021, Graduate Education (Master's Program) , 3Term, Exercises in Basic Sciences of Matter B
  13. 2021, Graduate Education (Master's Program) , 3Term, Functional Materials for Hydrogen
  14. 2021, Graduate Education (Master's Program) , 1Term, Introduction to Physics and Material Science
  15. 2021, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter
  16. 2021, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter
  17. 2021, Graduate Education (Master's Program) , Academic Year, Special Study of Advanced Science and Engineering Transdisciplinary Science and Engineering
  18. 2021, Graduate Education (Master's Program) , First Semester, Special Exercises of Advanced Science and Engineering Transdisciplinary Science and Engineering A
  19. 2021, Graduate Education (Master's Program) , Second Semester, Special Exercises of Advanced Science and Engineering Transdisciplinary Science and Engineering B
  20. 2021, Graduate Education (Master's Program) , 1Term, Sustainability Materials Science

Research Activities

Academic Papers

  1. Ammonia, a Switch for Controlling High Ionic Conductivity in Lithium Borohydride Ammoniates, JOULE, 2(8), 1522-1533, 20180815
  2. MgH2-CoO: a conversion-type composite electrode for LiBH4-based all-solid-state lithium ion batteries, RSC ADVANCES, 8(41), 23468-23474, 2018
  3. Study of cyclic performance of V-Ti-Cr alloys employed for hydrogen compressor, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 43(5), 2881-2889, 20180201
  4. Doping effect of Nb species on hydrogen desorption properties of AlH3, JOURNAL OF ALLOYS AND COMPOUNDS, 734, 55-59, 20180215
  5. Nitrogen Dissociation via Reaction with Lithium Alloys, ACS OMEGA, 2(3), 1081-1088, 201703
  6. Development of Mg-Li-B based advanced material for onboard hydrogen storage solution, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(7), 3963-3970, 20170216
  7. Catalytic effect of bis (cyclopentadienyl) nickel II on the improvement of the hydrogenation dehydrogenation of Mg-MgH2 system, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(27), 17178-17183, 20170706
  8. Bulk-Type All-Solid-State Lithium-Ion Batteries: Remarkable Performances of a Carbon Nanofiber-Supported MgH2 Composite Electrode, ACS APPLIED MATERIALS & INTERFACES, 9(3), 2261-2266, 20170125
  9. Micro-alloyed Mg2Ni for better performance as negative electrode of Ni-MIS battery and hydrogen storage, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(8), 5220-5226, 20170223
  10. Surface modification of MgH2 by ZrCl4 to tailor the reversible hydrogen storage performance, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(9), 6152-6159, 20170302
  11. Synthesis, structural characterization, and hydrogen desorption properties of Na[Al(NH2BH3)(4)], INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(9), 6173-6180, 20170302
  12. Enhancement of hydrogen desorption kinetics in magnesium hydride by doping with lithium metatitanate, JOURNAL OF ALLOYS AND COMPOUNDS, 711, 400-405, 20170715
  13. A new synthesis route of ammonia production through hydrolysis of metal - Nitrides, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(39), 24897-24903, 20170928
  14. Thermal decomposition of sodium amide, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(8), 5213-5219, 20170223
  15. Improved hydrogen release from magnesium borohydride by ZrCl4 additive, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(35), 22342-22347, 20170831
  16. Ammonia suppression during decomposition of sodium amide by the addition of metal hydride, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(35), 22388-22394, 20170831
  17. Study on the thermal decomposition of NaBH4 catalyzed by ZrCl4, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(35), 22432-22437, 20170831
  18. Synthesis, Characterization, and Structure of a Reduced Preyssler-type Polyoxometalate, CHEMISTRY LETTERS, 46(4), 602-604, 201704
  19. How does TiF4 affect the decomposition of MgH2 and its complex variants? - An XPS investigation, JOURNAL OF MATERIALS CHEMISTRY A, 5(30), 15543-15551, 20170814
  20. Electrochemical Performance of Titanium Hydride for Bulk-Type All-Solid-State Lithium-Ion Batteries, MATERIALS TRANSACTIONS, 57(5), 755-757, 201605
  21. High compressed hydrogen production via direct electrolysis of liquid ammonia, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 41(33), 14529-14534, 20160907
  22. Catalytic hydrolysis of sodium borohydride on Co catalysts, INTERNATIONAL JOURNAL OF ENERGY RESEARCH, 40(15), 2078-2090, 201612
  23. Two-Peak Mystery of LiNH2 NaH Dehydrogenation Is Solved? A Study of the Analogous Sodium Amide/Lithium Hydride System, JOURNAL OF PHYSICAL CHEMISTRY C, 120(49), 27903-27909, 20161215
  24. Hydrogen Ab/Desorption of LiH-KH Composite and Ammonia System, MATERIALS TRANSACTIONS, 57(7), 1215-1219, 2016
  25. Destabilization of lithium hydride by the substitution of group 14 elements: A review, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 41(14), 5969-5978, 20160420
  26. Tailoring the absorption-desorption properties of KSiH3 compound using nano-metals (Ni, Co, Nb) as catalyst, JOURNAL OF ALLOYS AND COMPOUNDS, 645, S144-S147, 20151005
  27. Activation on Ammonia Absorbing Reaction for Magnesium Chloride, JOURNAL OF PHYSICAL CHEMISTRY C, 119(47), 26296-26302, 20151126
  28. Correlation between particle size and hydrogen generation properties on ammonia and lithium hydride system, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 40(43), 14911-14915, 20151116
  29. Anode properties of Al2O3-added MgH2 for all-solid-state lithium-ion batteries, JOURNAL OF SOLID STATE ELECTROCHEMISTRY, 19(12), 3639-3644, 201512
  30. Catalysis of Lithium Chloride and Alkali Metal Borohydrides on Hydrogen Generation of Ammonia and Lithium Hydride System, JOURNAL OF PHYSICAL CHEMISTRY C, 119(34), 19922-19927, 20150827
  31. Hydrogenation properties of lithium intercalated graphite, TANSO, 136-139, 2008
  32. Ammoniaborane as Hydrogen Storage Material, Ceramics Japan, 46(3), 191-195, 2011
  33. ★, Catalysis of Lithium Chloride and Alkali Metal Borohydrides on Hydrogen Generation of Ammonia and Lithium Hydride System, JOURNAL OF PHYSICAL CHEMISTRY C, 119, 19922-19927, 2015
  34. ★, Kinetic Modification on Hydrogen Desorption of Lithium Hydride and Magnesium Amide System, MATERIALS, 8, 3896-3909, 2015
  35. ★, In-Situ XAS for Niobium Oxide Catalyst on Hydrogen Absorption and Desorption of Magnesium, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 79(3), 107-111, 2015
  36. ★, Catalysis of nickel nanoparticles with high thermal stability for ammonia decomposition, APPLIED CATALYSIS A-GENERAL, 491, 184-188, 2015
  37. ★, Ammonia Synthesis via Non-Equilibrium Reaction of Lithium Nitride in Hydrogen Flow Condition, MATERIALS TRANSACTIONS, 56(3), 410-414, 2015
  38. Metal hydride-based materials towards high performance negative electrodes for all-solid-state lithium-ion batteries., CHEMICAL COMMUNICATIONS, 51(48), 9773-9776, 2015
  39. "Hydrogen and Materials Characteristic in Solids II", The Journal of the Japan Institute of Metals.A, 79(3), 77-77, 2015
  40. Research on Hydrogen and Ammonia Production by Solar Heat Energy, 56(5), 274-277, 201410
  41. Thermodynamics on Ammonia Absorption of Metal Halides and Borohydrides, JOURNAL OF PHYSICAL CHEMISTRY C, 118(32), 18412-18416, 2014
  42. Catalytic modification in dehydrogenation properties of KSiH3., Physical chemistry chemical physics : PCCP, 16(47), 26163-26167, 2014
  43. Effects of Metal Oxide Additives on Anode Properties of Magnesium Hydride for All-Solid-State Lithium Ion Batteries, Journal of the Fuel Society of Japan, 93(9), 926-930, 2014
  44. Structure and catalytic properties of Ni/MWCNTs and Ni/AC catalysts for hydrogen production via ammonia decomposition, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 39(1), 277-287, 2014
  45. Thermochemical Hydrogen Production by Alkali Metal Redox Cycle, 14(1), 48-52, 2014
  46. Thermochemical Hydrogen Production by Water-splitting at Low Temperature, 42(7), 7-11, 201307
  47. ★, Microscopic characterization of metal-carbon-hydrogen composites (metal5Li, Mg), Journal of Applied Physics, 114(9), 93509-1-093509-7, 201309
  48. ★, Synthesis of nickel nanoparticles with excellent thermal stability in micropores of zeolite, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 38(31), 13579-13586, 2013
  49. ★, Hydrogen absorption of catalyzed magnesium below room temperature, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 38(31), 13728-13733, 2013
  50. ★, Chemical Hydrogen Storage of Carbon Material, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 77(12), 552-558, 2013
  51. ★, Synthesis and characterization of magnesium-carbon compounds for hydrogen storage, CARBON, 56, 50-55, 2013
  52. Ammonia Synthesis via Non-Equilibrium Reaction of Lithium Nitride in Hydrogen Flow Condition, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 77(12), 580-584, 2013
  53. Destabilization of LiH by Li Insertion into Ge, JOURNAL OF PHYSICAL CHEMISTRY C, 117(11), 5650-5657, 2013
  54. Microstructure and hydrogen desorption characteristics of hydrogenated ScH2-MBn (M = Mg and Ca) systems synthesized by mechanical milling, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 38(16), 6744-6749, 2013
  55. Anode properties of magnesium hydride catalyzed with niobium oxide for an all solid-state lithium-ion battery., Chemical communications (Cambridge, England), 49(64), 7174-7176, 2013
  56. Catalytic Effect of Niobium Oxide on Hydrogen Absorption and Desorption Process for Magnesium, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 77(12), 636-640, 2013
  57. Synthesis of Calcium Borohydride by Milling Hydrogenation of Hydride and Boride, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 77(12), 609-614, 2013
  58. Thermochemical Water-splitting Reaction by Alkali Metal-Cobalt Oxide, Journal of the Fuel Society of Japan, 92(9), 909-912, 2013
  59. Hydrogen production via thermochemical water-splitting by lithium redox reaction, JOURNAL OF ALLOYS AND COMPOUNDS, 580, S410-S413, 2013
  60. Correlation between electrochemical behavior and hydrogen storage properties of Li-Sn system, JOURNAL OF ALLOYS AND COMPOUNDS, 580, S211-S215, 2013
  61. Improved hydrogen desorption from lithium hydrazide by alkali metal hydride, JOURNAL OF ALLOYS AND COMPOUNDS, 580, S320-S323, 2013
  62. Thermochemical Energy Storage by Water-splitting Via Redox Reaction of Alkali Metals, 49, 934-2014
  63. ★, Improvement of reaction kinetics by metal chloride on ammonia and lithium hydride system, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(21), 16025-16030, 2012
  64. ★, Low-temperature water-splitting by sodium redox reaction, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(23), 17709-17714, 2012
  65. Comparative Study of Structural Changes in NH3BH3, LiNH2BH3, and KNH2BH3 During Dehydrogenation Process, JOURNAL OF PHYSICAL CHEMISTRY C, 116(9), 5957-5964, 2012
  66. Lithium hydrazide as a potential compound for hydrogen storage, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(7), 5750-5753, 2012
  67. ★, Compressed hydrogen production via reaction between liquid ammonia and alkali metal hydride, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 36(14), 8217-8220, 2011
  68. ★, Synthesis and characterization of lithium-carbon compounds for hydrogen storage, JOURNAL OF ALLOYS AND COMPOUNDS, 509(3), 719-723, 2011
  69. Improvement of hydrogen desorption kinetics in the LiH-NH3 system by addition of KH, CHEMICAL COMMUNICATIONS, 47, 12227-12229, 2011
  70. Solid state NMR study on the thermal decomposition pathway of sodium amidoborane NaNH2BH3, JOURNAL OF MATERIALS CHEMISTRY, 21(8), 2609-2615, 2011
  71. Thermal decomposition of alkaline-earth metal hydride and ammonia borane composites, International Journal of Hydrogen Energy, 35(22), 12405-12409, 201011
  72. Anomalous hydrogen absorption on non-stoichiometric iron-carbon compound, Journal of Alloys and Compounds, 507(2), 547-550, 20101008
  73. ★, Hydrogen Desorption Reaction between Hydrogen-Containing Functional Groups and Lithium Hydride, JOURNAL OF PHYSICAL CHEMISTRY C, 114(18), 8668-8674, 2010
  74. Superior Hydrogen Exchange Effect in the MgH2-LiBH4 System, JOURNAL OF PHYSICAL CHEMISTRY C, 114, 13132-13135, 2010
  75. Hydrogen storage properties of lithium silicon alloy synthesized by mechanical alloying, Journal of Power Sources, 196(1), 504-507
  76. ★, The reaction process of hydrogen absorption and desorption on the nanocomposite of hydrogenated graphite and lithium hydride., Nanotechnology, 20(20), 2009
  77. Molecular hydrogen carrier with activated nanohydride and ammonia, JOURNAL OF MATERIALS RESEARCH, 24(7), 2185-2190, 2009
  78. Electron Spin Resonance Investigation of Hydrogen Absorption in Ball-Milled Graphite, JOURNAL OF PHYSICAL CHEMISTRY C, 113(14), 5409-5416, 2009
  79. Recyclable hydrogen storage system composed of ammonia and alkali metal hydride, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 34(24), 9760-9764, 2009
  80. ★, Characterization of hydrogen absorption/desorption states on lithium-carbon-hydrogen system by neutron diffraction, Journal of Applied Physics, 104(5), 200809
  81. Hydrogen desorption properties of Li-BN-H system synthesized by mechanical milling, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 33(12), 3128-3131, 2008
  82. ★, Thermodynamic and structural properties of ball-milled mixtures composed of nano-structural graphite and alkali(-earth) metal hydride, Journal of Alloys and Compounds, 432(1), 303-307, 20070425
  83. Hydrogen storage properties in a composite of lithium hydride and boron nitride with hydrocarbon groups, JOURNAL OF ALLOYS AND COMPOUNDS, 446, 39-43, 2007
  84. Hydrogen storage properties of hydrogenated graphite destabilized by mixing with lithium hydride, TANSO, 2007(226), 2-7, 2007
  85. Hydrogen storage properties of nano-structural carbon and metal hydrides composites, PHYSICA B-CONDENSED MATTER, 383(1), 51-52, 2006
  86. Electron tunneling experiments on La-substituted Kondo-semiconductor CeRhAs, Physica B: Condensed Matter, 383(1), 26-27, 20060815
  87. Tunneling measurements of CeRhAs single crystal, Physica B: Condensed Matter, 378(1), 786-787, 20060501
  88. Structural and Electronic Interplay in the Gap Formation in CeRhAs1-xSbx (0 < x < 1), Tokyo Sugaku Kaisya Zasshi, 73(1), 262-268, 2004
  89. Thermochemical Hydrogen Production by Low Temperature Water Splitting(Hydrogen Production from Renewable Energy), Journal of the Japan Institute of Energy, 94(1), 19-26, 20150120
  90. ★, Hydrogen storage properties of hydrogenated graphite destabilized by mixing with lithium hydride, Tanso, 45(226), 2-7, 20070115

Publications such as books

  1. 2016/00/00, Solar to Chemical Energy Conversion, Thermochemical Water Splitting by Concentrated Solar Power, Springer International Publishing, 2016, 0, Scholarly Book, Joint work, English, 978-3-319-25400-5

Invited Lecture, Oral Presentation, Poster Presentation

  1. Research on Catalytic Mechanism of Niobium Oxide for Hydrogen Storage Properties of Magnesium, Hiroki Miyaoka, IUPAC 14th International Conference on Novel Materials and their Synthesis (NMS-XIV), 2018/10/23, With Invitation, English, IUPAC, Guangzhou, China
  2. Highly Purified Hydrogen Production from Ammonia for Fuel Cell Vehicles, Hiroki Miyaoka, Yoshitsugu Kojima, Takayuki Ichikawa, IUPAC 13th International Conference on Novel Materials and their Synthesis (NMS-XIII), 2017/10/17, With Invitation, English, IUPAC, Nanjing, China
  3. Reaction Properties of Lithium alloys with Nitrogen, Hiroki Miyaoka, IUPAC 12th International Conference on Novel Materials and their Synthesis (NMS-XII), 2016, With Invitation, English, Changsha, China
  4. Hydrogen production via thermochemical and electrochemical hybrid process by sodium alloy, Hiroki Miyaoka, THERMEC 2016, 2016, With Invitation, English, Graz, Austria
  5. Kinetics of Niobium Oxide Catalyzed Magnesium, Hiroki Miyaoka, Takayuki Ichikawa, Yoshitsugu Kojima, Frontiers in Materials Processing Applications, Research & Technology (FiMPART' 15), 2015/06/13, With Invitation, English, Hyderabad, India
  6. Ammonia and Alkali Metal Hydride System as Hydrogen Storage, Hiroki Miyaoka, International Conference on Composites/nano Engineering (ICCE-23), 2015/07/14, With Invitation, English, Chengdu, China
  7. Hydrogen Storage and Generation Properties of Ammonia and Alkali Metal Hydride System, Hiroki Miyaoka, IUPAC 10th International Conference on Novel Materials and their Synthesis (NMS-X), 2014, With Invitation, English, Zhengzhou, China
  8. Hydrogen Production via Thermochemical Water-Splitting by Alkali Metal Cycle, Hiroki Miyaoka, Takayuki Ichikawa, Yoshitsugu Kojima, 6th Forum on New Materials in 13th International Conference on Modern Materials and Technologies (CIMTEC 2014), 2014, With Invitation, English, Montecatini Terme, Italy
  9. Ammonia and alkali metal hydride system for hydrogen storage, Hiroki Miyaoka, Takayuki ichikawa, Yoshitsugu Kojima, THERMEC 2013, 2013, With Invitation, English, Las Vegas, USA
  10. Thermochemical Water-Splitting by Alkali Metal Redox Cycle, Hiroki Miyaoka, Takayuki Ichikawa, Yoshitsugu Kojima, 9th IUPAC International Conference on Novel Materials and their Synthesis (NMS-IX), 2013, With Invitation, English, Shanghai, China
  11. Sodium Redox Reaction Based System for Thermochemical Hydrogen Production, Hiroki Miyaoka, Takayuki Ichikawa, Yoshitsugu Kojima, IUPAC 8th International Conference on Novel Materials and Synthesis (NMS-VIII), 2012, With Invitation, English, Xi-An, China

Awards

  1. 2012/12/09, Best Oral Award, 3rd Special Symposium on Advances in Functional Materials (AFM-3), Energy Conversion by Redox Reaction of Alkali Metals
  2. 2014/07/29, Best Presentation Award (in area III Solar Thermal Applications), Grand Renewable Energy 2014 (GRE2014), Thermochemical water-splitting by alkali metal redox cycle
  3. 2016/09/23, Poster Award (JIM2016 fall annual meeting), 公益社団法人日本金属学会会長

External Funds

Acceptance Results of Competitive Funds

  1. 2006/04/01, 2007/03/31
  2. 2007/04/01, 2009/02/28
  3. 2012/04/01, 2013/03/31
  4. 2012/01/01, 2012/12/31
  5. 2013/04/01, 2014/03/31
  6. KAKENHI, 2015, 2016
  7. KAKENHI, 2017/04/01, 2020/03/31

Social Activities

Organizing Academic Conferences, etc.

  1. 4th ISSD Workshop on Sustainable Science, 2014/11, 2014/11
  2. 5th PU-HU Symposium on Advanced materials for Energy, 2016/03, 2016/03
  3. 2nd Hiroshima International Symposium on Sustainability Sciences, 2014/11, 2014/11
  4. 3rd Workshop on Advanced Materials for Energy, 2013/10, 2013/10
  5. 2nd ISSD Workshop on Sustainable Science, 2012/08, 2012/08
  6. ISSD Workshop on Sustainable Science, 2011/11, 2011/11
  7. Hiroshima International Symposium on Sustainability Sciences, 2012/08, 2012/08