Publications

(2024)

1. N. Shi*, K. Zhu, Y. Xie, D. Huan, J. Hyodo, Y. Yamazaki, Investigation of Water Impacts on Surface Properties and Performance of Air-Electrode in Reversible Protonic Ceramic Cells, Small, 2400501, (2024).

2. K. Tsujikawa, J. Hyodo, S. Fujii, K. Takahashi, S. Kasamatsu, Y. Yamazaki*, Submitted. (Preprint)

3. K. Kitabayashi, , J. Hyodo, N. Shi, Y. Yamazaki, Submitted. (Preprint)

(2023)

4. S. Fujii, Y. Shimizu, J. Hyodo, A. Kuwabara*, Y. Yamazaki*,  Discovery of Unconventional Proton-Conducting Inorganic Solids via Defect-Chemistry-Trained, Interpretable Machine Learning, Adv. Energy Mater, 13 (39), 2301892, (2023). (Preprint)

5. K. Hoshino, S. Kasamatsu, J. Hyodo, K. Yamamoto, H. Setoyama, T. Okajima, Y. Yamazaki*, Probing Local Environments of Oxygen Vacancies Responsible for Hydration in Sc-Doped Barium Zirconates at Elevated Temperatures: In Situ X-ray Absorption Spectroscopy, Thermogravimetry, and Active Learning Ab Initio Replica Exchange Monte Carlo Simulations, Chem. Mater., 35, 6, 2289–2301, (2023). (Preprint)

6. 山崎仁丈*、兵頭潤次、新規プロトン伝導性電解質・電気化学デバイスの加速的開発AI、電気化学、91 (2), 178-182, (2023).

(2022)

7. J. Hyodo, Y. Yamazaki*, Quantitative evaluation of biaxial compressive strain and its impact on proton conduction and diffusion in yttrium-doped barium zirconate epitaxial thin films, J. Phys. Energy, 4 (4), 044003, (2022).

(2021)

8. J. Hyodo, K. Tsujikawa, M. Shiga, Y. Okuyama, Y. Yamazaki*, Accelerated discovery of proton-conducting perovskite oxide by capturing physicochemical fundamentals of hydration, ACS Energy Lett., 6 (8), 2985-2992, (2021).

9. J. Hyodo, S. Kato, S. Ida, T. Ishihara, Y. Okuyama*, T. Sakai*, Determination of Oxide Ion Conductivity in Ba-Doped LaYbO3 Proton-Conducting Perovskites via an Oxygen Isotope Exchange Method, J. Phys. Chem. C, 125 (3), 1703-1713, (2021).

10. Y. Uchiyama, J. Hyodo, Y. Yamazaki, Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts, Chem. Lett., 50 (5), 888-891, (2021).

11. K. Hoshino, J. Hyodo, Y. Yamazaki, Non-linear behavior for chemical expansion in yttrium-doped barium zirconate upon hydration, Chem. Lett., 50 (5), 899-902, (2021).

(2020)

12. J. Hyodo, K. Kitabayashi, K. Hoshino, Y. Okuyama, Y. Yamazaki, Fast and stable proton conduction in heavily scandium‐doped polycrystalline barium zirconate at intermediate temperatures, Adv. Energy Mater. 10 (25), 2000213, (2020).

13. Y. Yamazaki, A. Kuwabara, J. Hyodo, Y Okuyama, C. A. J. Fisher, S. M. Haile, Oxygen affinity: the missing link enabling prediction of proton conductivities in doped barium zirconates, Chem. Mater., 32 (17), 7292-7300, (2020).

(2019)

14. S. Nishioka, Y. Yamazaki, M. Okazaki, K. Sekizawa, G. Sahara, R. Murakoshi, D. Saito, R. Kuriki, T. Oshima, J. Hyodo, Y. Yamazaki, O. Ishitani, T. E. Mallouk, K. Maeda*, Defect Density-Dependent Electron Injection from Excited-State Ru (II) Tris-Diimine Complexes into Defect-Controlled Oxide Semiconductors, J. Phys. Chem. C, 123 (46), 28310-28318, (2019).

15. P. Phu, K. Yamanoi*, K. Ohnishi, J. Hyodo, K. Rogdakis, Y. Yamazaki, T. Kimura, H. Kurebayashi, Bolometric ferromagnetic resonance techniques for characterising spin-Hall effect at high temperatures, J. Magn. Magn. Mater., 485, 304-307, (2019).

16. J. J. M. Vequizo, S. Nishioka, J. Hyodo, Y. Yamazaki, K. Maeda*, A. Yamakata*, Crucial impact of reduction on the photocarrier dynamics of SrTiO3 powders studied by transient absorption spectroscopy, J. Mater. Chem. A, 7 (45), 26139-26146, (2019).

(2018)

17. S. Nishioka†, J. Hyodo†, J. J. M Vequizo, S. Yamashita, H. Kumagai, K. Kimoto, A. Yamakata, Y. Yamazaki*, K. Maeda*, Homogeneous electron doping into nonstoichiometric strontium titanate improves its photocatalytic activity for hydrogen and oxygen evolution, ACS Catal. 8 (8), 7190-7200, (2018).

(2017)

18. D. Jeong, A. Jun, Y. W. Ju, J. Hyodo, J. Shin, T. Ishihara, T. H. Lim, G. Kim, Structural, Electrical, and Electrochemical Characteristics of LnBa0.5Sr0.5Co1.5Fe0.5O5+δ (Ln=Pr, Sm, Gd) as Cathode Materials in Intermediate-Temperature Solid Oxide Fuel Cells, Energy Technol. 5 (8), 1337-1343, (2017).

19. T. Sakai*, J. Hyodo*, M. Ogushi, A. Inoishi, S. Ida, T. Ishihara, Evaluation of isotope diffusion coefficient and surface exchange coefficient of ScSZ series oxide by oxygen isotope exchange method, Solid State Ion. 301, 156-162, (2017).

(2016)

20. J. Hyodo*, K. Tominaga, S. Ida, T. Ishihara*, Effects of three-dimensional mechano-chemical tensile strain on fast oxygen diffusion in Au-dispersed Pr1.90Ni0.71Cu0.24Ga0.05O4+δ, J. Mater. Chem. A, 4 (10), 3844-3849, (2016).

21. T Ishihara*, J Hyodo, H Schraknepper, K Tominaga, S Ida, Effects of Pt dispersion on electronic and oxide ionic conductivity in Pr1.90Ni0.71Cu0.24Ga0.05O4, Phys. Chem. Chem. Phys., 18 (16), 11125-11131, (2016).

22. S. Choi, S. Sengodan, S. Park, Y. W. Ju, J. Kim, J. Hyodo, H. Y. Jeong, T. Ishihara, J. Shin, G. Kim, A robust symmetrical electrode with layered perovskite structure for direct hydrocarbon solid oxide fuel cells: PrBa0.8Ca0.2Mn2O5+δ, J. Mater. Chem. A, 4 (5), 1747-1753, (2016).

23. K. Chen, J. Hyodo, N. Ai, T. Ishihara, S. P. Jiang, Boron deposition and poisoning of La0.8Sr0.2MnO3 oxygen electrodes of solid oxide electrolysis cells under accelerated operation conditions, Int. J. Hydrog. Energy, 41 (3), 1419-1431-1440, (2016).

(2015)

24. J. Hyodo, K. Tominaga, J. E. Hong, S. Ida, T. Ishihara, Effects of Three-Dimensional Strain on Electric Conductivity in Au-Dispersed Pr1.90Ni0.71Cu0.24Ga0.05O4+δ, J. Phys. Chem. C, 119 (1), 5-13, (2015).

25. S. Chaianansutcharit, K. Hosoi, J. Hyodo, Y.W. Ju, T. Ishihara, Ruddlesden Popper oxides of LnSr3Fe3O10−δ (Ln= La, Pr, Nd, Sm, Eu, and Gd) as active cathodes for low temperature solid oxide fuel cells, J. Mater. Chem. A, 3 (23), 12357-12366, (2015).

26. A. Inoishi, J. Hyodo, H. Kim, T. Sakai, S. Ida, T. Ishihara, Low temperature operation of a solid-oxide Fe–air rechargeable battery using a La0.9Sr0.1Ga0.8Mg0.2O3 oxide ion conductor, J. Mater. Chem. A, 3 (16), 8260-8264, (2015).

27. Y. W. Ju, J. Hyodo, A. Inoishi, S. Ida, T. Ishihara, A dense La(Sr)Fe(Mn)O3−δ nano-film anode for intermediate-temperature solid oxide fuel cells, J. Mater. Chem. A, 3 (7), 3586-3593, (2015).A. Jun, S. Yoo, Y. W. Ju, J. Hyodo, S. Choi, H. Y. Jeong, J. Shin, T. Ishihara, T.H Lim, G. Kim, Correlation between fast oxygen kinetics and enhanced performance in Fe doped layered perovskite cathodes for solid oxide fuel cells, J. Mater. Chem. A, 3 (29), 15082-15090, (2015).

28. K. Chen, W. Bo, J. Hyodo, T.Ishihara, Chromium deposition and poisoning of LSCF and LSM oxygen electrodes of solid oxide electrolysis cells, ECS Trans., 68 (1), 793, (2015).

29. K. Chen, J. Hyodo, A. Dodd, N. Ai, T. Ishihara, L. Jian,  S. P. Jiang, Chromium deposition and poisoning of La0.8Sr0.2MnO3 oxygen electrodes of solid oxide electrolysis cells, Faraday Discuss., 182, 457-476, (2015).

(2014)

30. J. Hyodo, K. Tominaga, Y. W. Ju, S. Ida, T. Ishihara*, Electrical conductivity and oxygen diffusivity in Cu-and Ga-doped Pr2NiO4, Solid State Ion., 256, 5-10, (2014).

31. J. Hyodo, S. Ida, T. Ishihara*, Oxide ionic conductivity in Pr2(Ni, Cu, Ga)O4+δ–(Ce, Sm)O2–δ laminated film estimated with the Hebb–Wagner method, Solid State Ion., 262, 889-892, (2014).

32. J. Hyodo, K. Tominaga, Y. W. Ju, S. Ida, T. Ishihara*, Increased Oxide Ion Diffusivity and Surface Exchange on Pr2NiO4 Base Oxide by Au Dispersion, ECS Trans., 61 (1), 123, (2014).

33. J. Druce*, H. Téllez, J. Hyodo, Surface segregation and poisoning in materials for low-temperature SOFCs, MRS Bull., 39 (9), 810-815, (2014).Y. W. Ju*, J. Hyodo, A. Inoishi, S. Ida, T. Ishihara, Ce(Mn, Fe)O2 dense film deposited on LaGaO3 electrolyte for dense anode of solid oxide fuel cells, Int. J. Hydrog. Energy, 39 (35), 20777-20782, (2014).

34. Y. W. Ju*, J. Hyodo, A. Inoishi, S. Ida, T. Tohei, Y. G. So, Y. Ikuhara, T. Ishihara, Double columnar structure with a nanogradient composite for increased oxygen diffusivity and reduction activity, Adv. Energy Mater., 4 (17), 1400783, (2014).

35. S. Yoo, A. Jun, Y. W. Ju, D. Odkhuu, J. Hyodo, H. Y. Jeong, N. Park, J. Shin, T. Ishihara, G. Kim*, Development of double‐perovskite compounds as cathode materials for low‐temperature solid oxide fuel cells, Angew. Chem. Int. Ed., 126 (48), 13280-13283, (2014).

36. K. Chen, J. Hyodo, K. M. O’Donnell, W. Rickard, T. Ishihara, S. P. Jiang, Effect of volatile boron species on the electrocatalytic activity of cathodes of solid oxide fuel cells: III. Ba0. 5Sr0. 5Co0. 8Fe0. 2O3-δ electrodes, J. Electrochem. Soc., 161 (12), F1163, (2014)

(2013)

37. J. Hyodo, S. Ida, J. A. Kilner, T. Ishihara*, Electronic and oxide ion conductivity in Pr2Ni0.71Cu0.24Ga0.05O4/Ce0.8Sm0.2O2 laminated film, Solid State Ion., 230, 16-20, (2013).

38. J. Hyodo, H. Hagiwara, T. Ishihara*, Improved oxide ionic conductivity in Pr2Ni0.75Cu0.25Ga0.05O4+δ-Sm0.2Ce0.8O1.9 (PNCG-SDC) layer by layer film, Solid State Ionics: Ionics for Sustainable World, 340-349, (2013).

39. L. Zhao, J. Hyodo, T. Ishihara, K. Sasaki, S. R. Bishop, XRD and Raman spectroscopy study of Mn solubility in cerium oxide, ECS Trans., 57 (1), 1607, (2013).

40. L. Zhao, S. R. Bishop, J. Hyodo, T. Ishihara, K. Sasaki, XRD and Raman spectroscopy study of Fe solubility in cerium oxide, ECS Trans., 50 (40), 53, (2013).

41. K. Chen, J. Hyodo, L. Zhao, N. Ai, T. Ishihara, S. P. Jiang, Boron poisoning of (La, Sr)(Co, Fe)O3 cathodes of solid oxide fuel cells, ECS Trans. 57 (1), 1821, (2013).

42. K. Chen, J. Hyodo, L. Zhao, N. Ai, T. Ishihara, S. P. Jiang, Effect of volatile boron species on the microstructure and composition of (La, Sr)MnO3 and (La, Sr)(Co, Fe)O3 cathode materials of solid oxide fuel cells, J. Electrochem. Soc., 160 (9), F1033, (2013).

43. L. Zhao, J. Hyodo, K. Chen, N. Ai, S. Amarasinghe, T. Ishihara, S. P. Jiang, Effect of boron deposition and poisoning on the surface exchange properties of LSCF electrode materials of solid oxide fuel cells, J. Electrochem. Soc., 160 (6), F682, (2013).

(2012)

44. Y. W. Ju, J. E. Hong, J. Hyodo, T. Inagaki, S. Ida, T. Ishihara, New buffer layer material La (Pr) CrO3 for intermediate temperature solid oxide fuel cell using LaGaO3-based electrolyte film, J. Mater. Res., 27 (15), 1906-1914, 2012.

45. T. Sakai, S. Matsushita, J. Hyodo, Y. Okuyama, M. Matsuka, T. Ishihara, H. Matsumoto, Effect of doped ceria interlayer on cathode performance of the electrochemical cell using proton conducting oxide, Electrochim. Acta, 75, 179-184, (2012).

46. T. Ishihara, K. Tominaga, J. Hyodo, M. Matsuka, Improved electrical conductivity in Pr2Ni(Cu, Ga)O4 film with nano thickness, Int. J. Hydrog. Energy, 37 (9), 8066-8072, (2012).

47. T. Sakai, J. Hyodo, T. Ishihara, H. Matsumoto, Single-nanosize pulverization of solid oxide by means of a wet planetary-bead-milling, J. Ceram. Soc. Jpn., 120 (1397), 39-42, (2012).

(2011)

48. Y. Okamoto, S. Ida, J. Hyodo, H. Hagiwara, T. Ishihara, Synthesis and photocatalytic activity of rhodium-doped calcium niobate nanosheets for hydrogen production from a water/methanol system without cocatalyst loading, J. Am. Chem. Soc., 133 (45), 18034-18037, (2011).

(2009)

49. T. Sakai, H. Matsumoto, Y. Sato, J. Hyodo, N. Ito, S. Hashimoto, T. Ishihara, High sinterability of planetary-bead-milled barium zirconate, Electrochemistry, 77 (10), 876-878, (2009).