HIROKI MIYAOKA
Last Updated :2023/03/03
- Affiliations, Positions
- Natural Science Center for Basic Research and Development, Associate Professor
- Web Site
- E-mail
- miyaoka
hiroshima-u.ac.jp
- Other Contact Details
- 1-3-1 Kagamiyama, Higashi-Hiroshima, Japan
TEL : (+81)82-424-4604 FAX : (+81)
- Self-introduction
- Research on "sustainable material conversion" such as hydrogen production, hydrogen storage, nitride synthesis (ammonia) based on utilization of light elements such as Lithium (Li) and Sodium (Na) are carried out. In addition, analysis techniques for the above active materials are studied.
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, Nitrides, Ammonia, Sustainable material science, Analysis technique
Affiliated Academic Societies
- The Japan Institute of Energy
- The Japan Institute of Metals and Materials
- Hydrogen Energy Systems Society of Japan
Educational Activity
Course in Charge
- 2022, Liberal Arts Education Program1, 2Term, Perspectives in Physics A
- 2022, Liberal Arts Education Program1, 1Term, Experimental Methods and Laboratory Work in Physics I
- 2022, Liberal Arts Education Program1, 2Term, Experimental Methods and Laboratory Work in Physics II
- 2022, Undergraduate Education, 3Term, Inorganic Chemistry I
- 2022, Undergraduate Education, 4Term, Inorganic Chemistry II
- 2022, Graduate Education (Master's Program) , 1Term, Introduction to Physics and Material Science
- 2022, Graduate Education (Master's Program) , First Semester, Seminar on Basic Sciences of Matter A
- 2022, Graduate Education (Master's Program) , Second Semester, Seminar on Basic Sciences of Matter B
- 2022, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Basic Sciences of Matter
- 2022, Graduate Education (Master's Program) , 1Term, Exercises in Basic Sciences of Matter A
- 2022, Graduate Education (Master's Program) , 2Term, Exercises in Basic Sciences of Matter A
- 2022, Graduate Education (Master's Program) , 3Term, Exercises in Basic Sciences of Matter B
- 2022, Graduate Education (Master's Program) , 4Term, Exercises in Basic Sciences of Matter B
- 2022, Graduate Education (Master's Program) , 3Term, Functional Materials for Hydrogen
- 2022, Graduate Education (Master's Program) , 1Term, Introduction to Physics and Material Science
- 2022, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter
- 2022, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter
- 2022, Graduate Education (Master's Program) , Academic Year, Special Study of Advanced Science and Engineering Transdisciplinary Science and Engineering
- 2022, Graduate Education (Master's Program) , First Semester, Special Exercises of Advanced Science and Engineering Transdisciplinary Science and Engineering A
- 2022, Graduate Education (Master's Program) , Second Semester, Special Exercises of Advanced Science and Engineering Transdisciplinary Science and Engineering B
- 2022, Graduate Education (Master's Program) , 1Term, Sustainability Materials Science
Research Activities
Academic Papers
- Thermodynamics on Ammonia Absorption of Metal Halides and Borohydrides, JOURNAL OF PHYSICAL CHEMISTRY C, 118(32), 18412-18416, 2014
- ★, Microscopic characterization of metal-carbon-hydrogen composites (metal5Li, Mg), Journal of Applied Physics, 114(9), 93509-1-093509-7, 201309
- 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
- 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
- ★, Synthesis and characterization of magnesium-carbon compounds for hydrogen storage, CARBON, 56, 50-55, 2013
- Destabilization of LiH by Li Insertion into Ge, JOURNAL OF PHYSICAL CHEMISTRY C, 117(11), 5650-5657, 2013
- Correlation between electrochemical behavior and hydrogen storage properties of Li-Sn system, JOURNAL OF ALLOYS AND COMPOUNDS, 580, S211-S215, 2013
- ★, Hydrogen absorption of catalyzed magnesium below room temperature, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 38(31), 13728-13733, 2013
- Improved hydrogen desorption from lithium hydrazide by alkali metal hydride, JOURNAL OF ALLOYS AND COMPOUNDS, 580, S320-S323, 2013
- 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
- ★, Chemical Hydrogen Storage of Carbon Material, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 77(12), 552-558, 2013
- Hydrogen production via thermochemical water-splitting by lithium redox reaction, JOURNAL OF ALLOYS AND COMPOUNDS, 580, S410-S413, 2013
- Synthesis of Calcium Borohydride by Milling Hydrogenation of Hydride and Boride, JOURNAL OF THE JAPAN INSTITUTE OF METALS, 77(12), 609-614, 2013
- 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
- ★, Low-temperature water-splitting by sodium redox reaction, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(23), 17709-17714, 2012
- Lithium hydrazide as a potential compound for hydrogen storage, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(7), 5750-5753, 2012
- Comparative Study of Structural Changes in NH3BH3, LiNH2BH3, and KNH2BH3 During Dehydrogenation Process, JOURNAL OF PHYSICAL CHEMISTRY C, 116(9), 5957-5964, 2012
- ★, Compressed hydrogen production via reaction between liquid ammonia and alkali metal hydride, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 36(14), 8217-8220, 2011
- Solid state NMR study on the thermal decomposition pathway of sodium amidoborane NaNH2BH3, JOURNAL OF MATERIALS CHEMISTRY, 21(8), 2609-2615, 2011
- ★, Hydrogen Desorption Reaction between Hydrogen-Containing Functional Groups and Lithium Hydride, JOURNAL OF PHYSICAL CHEMISTRY C, 114(18), 8668-8674, 2010
- ★, Synthesis and characterization of lithium-carbon compounds for hydrogen storage, JOURNAL OF ALLOYS AND COMPOUNDS, 509(3), 719-723, 2011
- Thermal decomposition of alkaline-earth metal hydride and ammonia borane composites, International Journal of Hydrogen Energy, 35(22), 12405-12409, 201011
- ★, Ammonia Synthesis via Non-Equilibrium Reaction of Lithium Nitride in Hydrogen Flow Condition, MATERIALS TRANSACTIONS, 56(3), 410-414, 2015
- Tunneling measurements of CeRhAs single crystal, Physica B: Condensed Matter, 378(1), 786-787, 20060501
- ★, 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
- Hydrogen storage properties in a composite of lithium hydride and boron nitride with hydrocarbon groups, JOURNAL OF ALLOYS AND COMPOUNDS, 446, 39-43, 2007
- Recyclable hydrogen storage system composed of ammonia and alkali metal hydride, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 34(24), 9760-9764, 2009
- ★, Hydrogen storage properties of hydrogenated graphite destabilized by mixing with lithium hydride, Tanso, 45(226), 2-7, 20070115
- Hydrogenation properties of lithium intercalated graphite, TANSO, 136-139, 2008
- Ammoniaborane as Hydrogen Storage Material, Ceramics Japan, 46(3), 191-195, 2011
- 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
- Structural and Electronic Interplay in the Gap Formation in CeRhAs1-xSbx (0 < x < 1), Tokyo Sugaku Kaisya Zasshi, 73(1), 262-268, 2004
- ★, Kinetic Modification on Hydrogen Desorption of Lithium Hydride and Magnesium Amide System, MATERIALS, 8, 3896-3909, 2015
- ★, 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
- ★, Catalysis of nickel nanoparticles with high thermal stability for ammonia decomposition, APPLIED CATALYSIS A-GENERAL, 491, 184-188, 2015
- ★, Synthesis of nickel nanoparticles with excellent thermal stability in micropores of zeolite, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 38(31), 13579-13586, 2013
- 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
- Improvement of hydrogen desorption kinetics in the LiH-NH3 system by addition of KH, CHEMICAL COMMUNICATIONS, 47, 12227-12229, 2011
- Superior Hydrogen Exchange Effect in the MgH2-LiBH4 System, JOURNAL OF PHYSICAL CHEMISTRY C, 114, 13132-13135, 2010
- Thermochemical Energy Storage by Water-splitting Via Redox Reaction of Alkali Metals, 49, 934-2014
- Thermochemical Water-splitting Reaction by Alkali Metal-Cobalt Oxide, Journal of the Fuel Society of Japan, 92(9), 909-912, 2013
- Thermochemical Hydrogen Production by Water-splitting at Low Temperature, 42(7), 7-11, 201307
- Thermochemical Hydrogen Production by Alkali Metal Redox Cycle, 14(1), 48-52, 2014
- Research on Hydrogen and Ammonia Production by Solar Heat Energy, 56(5), 274-277, 201410
- "Hydrogen and Materials Characteristic in Solids II", The Journal of the Japan Institute of Metals.A, 79(3), 77-77, 2015
- 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
- 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
- Correlation between particle size and hydrogen generation properties on ammonia and lithium hydride system, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 40(43), 14911-14915, 20151116
- Anode properties of Al2O3-added MgH2 for all-solid-state lithium-ion batteries, JOURNAL OF SOLID STATE ELECTROCHEMISTRY, 19(12), 3639-3644, 201512
- Activation on Ammonia Absorbing Reaction for Magnesium Chloride, JOURNAL OF PHYSICAL CHEMISTRY C, 119(47), 26296-26302, 20151126
- Destabilization of lithium hydride by the substitution of group 14 elements: A review, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 41(14), 5969-5978, 20160420
- Electrochemical Performance of Titanium Hydride for Bulk-Type All-Solid-State Lithium-Ion Batteries, MATERIALS TRANSACTIONS, 57(5), 755-757, 201605
- High compressed hydrogen production via direct electrolysis of liquid ammonia, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 41(33), 14529-14534, 20160907
- Hydrogen Ab/Desorption of LiH-KH Composite and Ammonia System, MATERIALS TRANSACTIONS, 57(7), 1215-1219, 2016
- Catalytic hydrolysis of sodium borohydride on Co catalysts, INTERNATIONAL JOURNAL OF ENERGY RESEARCH, 40(15), 2078-2090, 201612
- 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
- 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
- Nitrogen Dissociation via Reaction with Lithium Alloys, ACS OMEGA, 2(3), 1081-1088, 201703
- Surface modification of MgH2 by ZrCl4 to tailor the reversible hydrogen storage performance, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(9), 6152-6159, 20170302
- Synthesis, structural characterization, and hydrogen desorption properties of Na[Al(NH2BH3)(4)], INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(9), 6173-6180, 20170302
- Synthesis, Characterization, and Structure of a Reduced Preyssler-type Polyoxometalate, CHEMISTRY LETTERS, 46(4), 602-604, 201704
- Enhancement of hydrogen desorption kinetics in magnesium hydride by doping with lithium metatitanate, JOURNAL OF ALLOYS AND COMPOUNDS, 711, 400-405, 20170715
- 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
- Thermal decomposition of sodium amide, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(8), 5213-5219, 20170223
- 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
- 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
- Improved hydrogen release from magnesium borohydride by ZrCl4 additive, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(35), 22342-22347, 20170831
- Ammonia suppression during decomposition of sodium amide by the addition of metal hydride, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(35), 22388-22394, 20170831
- Study on the thermal decomposition of NaBH4 catalyzed by ZrCl4, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(35), 22432-22437, 20170831
- A new synthesis route of ammonia production through hydrolysis of metal - Nitrides, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(39), 24897-24903, 20170928
- Doping effect of Nb species on hydrogen desorption properties of AlH3, JOURNAL OF ALLOYS AND COMPOUNDS, 734, 55-59, 20180215
- Development of Mg-Li-B based advanced material for onboard hydrogen storage solution, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(7), 3963-3970, 20170216
- Study of cyclic performance of V-Ti-Cr alloys employed for hydrogen compressor, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 43(5), 2881-2889, 20180201
- MgH2-CoO: a conversion-type composite electrode for LiBH4-based all-solid-state lithium ion batteries, RSC ADVANCES, 8(41), 23468-23474, 2018
- Ammonia, a Switch for Controlling High Ionic Conductivity in Lithium Borohydride Ammoniates, JOULE, 2(8), 1522-1533, 20180815
- Hydrogen Desorption Isobar Properties of Ti1.1CrMn at High Temperatures and Pressures, MATERIALS TRANSACTIONS, 59(5), 855-857, 2018
- Hybrid nickel-metal hydride/hydrogen battery, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 44(8), 4263-4270, 20190208
- Operando spectroscopic analyses for the ammonia absorption process of sodium borohydride, CHEMICAL COMMUNICATIONS, 55(15), 2150-2153, 20190221
- Eutectic Phenomenon of LiNH2-KH Composite in MH-NH3 Hydrogen Storage System, MOLECULES, 24(7), 20190405
- Review on Ammonia Absorption Materials: Metal Hydrides, Halides, and Borohydrides, ACS APPLIED ENERGY MATERIALS, 1(2), 232-242, 201802
- Highly purified hydrogen production from ammonia for PEM fuel cell, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 43(31), 14486-14492, 20180802
- Synthesis of sodium-magnesium amidoborane by sodium amide: An investigation of functional properties for hydrogen/ammonia storage, JOURNAL OF ALLOYS AND COMPOUNDS, 801, 645-650, 20190915
- Hydrogen Sorption and Cyclic Compressor Performance Of V40Ti21.5Cr33.5M5 (M = Nb, Zr, Fe) Alloys, JOURNAL OF THE JAPAN INSTITUTE OF ENERGY, 98(7), 157-164, 201907
- Room-Temperature Hydrogen Absorption of Titanium with Surface Modification by Organic Solvents, JOURNAL OF PHYSICAL CHEMISTRY C, 123(32), 19269-19274, 20190815
- Vanadium Hydride as Conversion Type Negative Electrode for All-Solid-State Lithium-Ion-Battery, MATERIALS TRANSACTIONS, 60(10), 2183-2187, 2019
- Understanding the mechanism of photochromism in double-layer metal oxide using X-ray photoelectron spectroscopy, CHEMICAL PHYSICS LETTERS, 739, 202001
- Pseudo catalytic ammonia synthesis by lithium-tin alloy, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 45(11), 6806-6812, 20200228
- The catalytic effect of ZrCl4 on thermal dehydrogenation LiAlD4, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 45(28), 14413-14417, 20200521
- Critical Temperature and Pressure Conditions of Degradation during Thermochemical Hydrogen Compression: A Case Study of V-Based Hydrogen Storage Alloy, ENERGIES, 13(9), 202005
- Concentration-composition-isotherm for the ammonia absorption process of zirconium phosphate, RSC ADVANCES, 10(35), 20882-20885, 20200601
- Eutectic melting in x(2LiBH(4)-MgH2) hydrogen storage system by the addition of KH, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 45(34), 17000-17005, 20200703
- Surface modification effects of graphite for selective hydrogen absorption by titanium at room temperature, CHEMICAL COMMUNICATIONS, 56(53), 7237-7240, 20200707
- Proton-based solid acids for ammonia absorption in ammonia water, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 45(41), 22189-22194, 20200821
- Effective Factor on Catalysis of Niobium Oxide for Magnesium, ACS OMEGA, 5(34), 21906-21912, 20200901
- Surface-Controlled Conversion of Ammonia Borane from Boron Nitride, ENERGIES, 13(21), 202011
- Thermodynamic and Spectroscopic Analyses of Zirconium Phosphate-Absorbed Ammonia, JOURNAL OF PHYSICAL CHEMISTRY C, 125(7), 3758-3763, 20210225
- Synthesis of Highly Activated Magnesium by Niobium and Tantalum Gel Oxide Catalyst, MATERIALS TRANSACTIONS, 62(2), 284-289, 2021
- Electron tunneling experiments on la-substituted Kondo-semiconductor CeRhAs, PHYSICA B-CONDENSED MATTER, 383(1), 26-27, 2006
- Hydrogen storage properties of nano-structural carbon and metal hydrides composites, PHYSICA B-CONDENSED MATTER, 383(1), 51-52, 2006
- Hydrogen desorption properties of Li-BN-H system synthesized by mechanical milling, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 33(12), 3128-3131, 2008
- Characterization of hydrogen absorption/desorption states on lithium-carbon-hydrogen system by neutron diffraction, JOURNAL OF APPLIED PHYSICS, 104(5), 2008
- Electron Spin Resonance Investigation of Hydrogen Absorption in Ball-Milled Graphite, JOURNAL OF PHYSICAL CHEMISTRY C, 113(14), 5409-5416, 2009
- The reaction process of hydrogen absorption and desorption on the nanocomposite of hydrogenated graphite and lithium hydride, NANOTECHNOLOGY, 20(20), 2009
- Molecular hydrogen carrier with activated nanohydride and ammonia, JOURNAL OF MATERIALS RESEARCH, 24(7), 2185-2190, 2009
- Hydrogen storage properties of lithium silicon alloy synthesized by mechanical alloying, JOURNAL OF POWER SOURCES, 196(1), 504-507, 2011
- Anomalous hydrogen absorption on non-stoichiometric iron-carbon compound, JOURNAL OF ALLOYS AND COMPOUNDS, 507(2), 547-550, 2010
- Improvement of reaction kinetics by metal chloride on ammonia and lithium hydride system, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(21), 16025-16030, 2012
- Anode properties of magnesium hydride catalyzed with niobium oxide for an all solid-state lithium-ion battery, CHEMICAL COMMUNICATIONS, 49(64), 7174-7176, 2013
- Catalytic modification in dehydrogenation properties of KSiH3, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 16(47), 26163-26167, 2014
- Catalytic modification in dehydrogenation properties of KSiH3, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 16(47), 26163-26167, 2014
- Evaluation of the enthalpy change due to hydrogen desorption for M-N-H (M = Li, Mg, Ca) systems by differential scanning calorimetry, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 40(3), 1516-1522, 2015
- Metal hydride-based materials towards high performance negative electrodes for all-solid-state lithium-ion batteries, CHEMICAL COMMUNICATIONS, 51(48), 9773-9776, 2015
- Study of cyclic performance of V-Ti-Cr alloys employed for hydrogen compressor, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 43(5), 2881-2889, 2018
- Synergetic NH3 absorption properties of the NaBH4–LiBH4 mixed system, Chemical Communications, 57(49), 6003-6006, 20210623
- Analysis of sodium generation by sodium oxide decomposition on corrosion resistance materials: a new approach towards sodium redox water-splitting cycle, RSC Advances, 11(34), 21017-21022, 20210609
- Synergetic NH3 absorption properties of the NaBH4–LiBH4 mixed system, Chemical Communications, 57(49), 6003-6006, 20210617
Publications such as books
- 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
- Nitrogen Dissociation and Pseudo Catalytic Ammonia Synthesis by Lithium Alloy, Hiroki Miyaoka, IUPAC 15th International Conference on Novel Materials and their Synthesis (NMS-XIV), 2019/09/06, With Invitation, English, IUPAC, Guangzhou, China
- Green Hydrogen Production via Thermochemical Water-Splitting by Sodium-Redox Cycle and Low Temperature Heat, Hiroki Miyaoka, The 3rd International Symposium on Fuels and Energy (ISFE2019), 2019/07/08, With Invitation, English
- Study on catalytic activation for Mg hydrogen storage, Hiroki Miyaoka, Hiroyuki Gi, Keita Shinzato, Takashi Ogi, Masahiro Sadakane, Takayuki Ichikawa, Study of matter at extreme conditions (SMEC2019), 2019/03/20, With Invitation, English, US
- 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
- 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
- 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
- Hydrogen production via thermochemical and electrochemical hybrid process by sodium alloy, Hiroki Miyaoka, THERMEC 2016, 2016, With Invitation, English, Graz, Austria
- 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
- 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
- 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
- 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
- Ammonia and alkali metal hydride system for hydrogen storage, Hiroki Miyaoka, Takayuki ichikawa, Yoshitsugu Kojima, THERMEC 2013, 2013, With Invitation, English, Las Vegas, USA
- 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
- 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
- 2012/12/09, Best Oral Award, 3rd Special Symposium on Advances in Functional Materials (AFM-3), Energy Conversion by Redox Reaction of Alkali Metals
- 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
- 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
- 2022/10
- 2022/06, 2024/05
- 2006/04/01, 2007/03/31
- 2007/04/01, 2009/02/28
- 2012/04/01, 2013/03/31
- 2012/01/01, 2012/12/31
- 2013/04/01, 2014/03/31
- KAKENHI, 2015, 2016
- KAKENHI, 2017/04/01, 2020/03/31
- KAKENHI(Grant-in-Aid for Scientific Research on Innovative Areas), 2019, 2020
- KAKENHI(Grant-in-Aid for Scientific Research (B)), 2020, 2022
Social Activities
Organizing Academic Conferences, etc.
- 4th ISSD Workshop on Sustainable Science, 2014/11, 2014/11
- 5th PU-HU Symposium on Advanced materials for Energy, 2016/03, 2016/03
- 2nd Hiroshima International Symposium on Sustainability Sciences, 2014/11, 2014/11
- 3rd Workshop on Advanced Materials for Energy, 2013/10, 2013/10
- 2nd ISSD Workshop on Sustainable Science, 2012/08, 2012/08
- ISSD Workshop on Sustainable Science, 2011/11, 2011/11
- Hiroshima International Symposium on Sustainability Sciences, 2012/08, 2012/08