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Associate Professor

TEL: 0564-55-7440
E-Mail : (Please replace the "_at_" with @ )
Location: Myoudaiji, South Laboratory Bldg. Room303

Affiliation laboratory >


Department of Materials Molecular Science, Division of Molecular Functions

Research Center of Integrative Molecular Systems, Division of Trans-Hierarchical Molecular Systems (Concurrent Position)


2006 Kanazawa University   
2008 Tokyo Institute of Technology, Master of Engineering
2010 Tokyo Institute of Technology, Doctor of Science
2010 Postdoctoral Fellow, Tokyo Institute of Technology
2011 Assistant Professor, Kanagawa University
2012 PRESTO Researcher (Additional post) , Japan Science and Technology Agency (-2016)
2013 Research Associate Professor, Institute for Molecular Science
2018 Associate Professor, Institute for Molecular Science
2018 Associate Professor, The Graduate University for Advanced Studies


2010 ACerS Spriggs Phase Equilibria Award, American Ceramics Society    
2011 Tejima Doctoral Dissertation Award, Tokyo Institute of Technology  
2018 Honda Memorial Young Researcher Award
2022 The NAGAI Foundation for Science & Technology Academic Award

Main research themes

Materials Science for Creation of Novel Electrochemical Devices
kewords Solid State Ionics, Solid State Chemistry, Electrochemical Device
PDF Annual Review : PDF

Selected Publications

  1. H. Nawaz, F. Takeiri, A. Kuwabara, M. Yonemura, G. Kobayashi*, "Synthesis and H conductivity of a new oxyhydride Ba2YHO3 with anion-ordered rock-salt layers" Chem. Commun., 56, 10373-10376 (2020).
  2. F. Takeiri, A. Watanabe, A. Kuwabara, H. Nawaz, N. Ayu, M. Yonemura, R. Kanno and G. Kobayashi*, "Ba2ScHO3: H Conductive Layered Oxyhydride with H Site Selectivity," Inorg. Chem., 58, 4431-4436 (2019).
  3. N. Matsui, G. Kobayashi*, K. Suzuki, A. Watanabe, A. Kubota, Y. Iwasaki, M. Yonemura, M. Hirayama, R. Kanno*, "Ambient pressure synthesis of La2LiHO3 as a solid electrolyte for a hydrogen electrochemical cell," J. Am. Ceram. Soc., 102, 3228-3235 (2019).
  4. Y.Iwasaki, N.Matsui, K.Suzuki, Y.Hinuma, M. Yonemura, G. Kobayashi, M. Hirayama, I. Tanaka and R. Kanno*, "Synthesis, crystal structure, and ionic conductivity of hydride ion-conducting Ln2LiHO3 (Ln = La, Pr, Nd) oxyhydrides," J. Mater. Chem. A, 6, 23457-23463 (2018).
  5. A. Watanabe, G. Kobayashi*, N, Matsui, M. Yonemura, A. Kubota, K. Suzuki, M. Hirayama, R. Kanno, "Ambient pressure synthesis and H conductivity of LaSrLiH2O2," Electrochem., 85, 88-92 (2017).
  6. G. Kobayashi*, Y. Hinuma, S. Matsuoka, A. Watanabe, I. Muhammad, M. Hirayama, M. Yonemura, T. Kamiyama, I. Tanaka and R. Kanno*, “Pure H Conduction in Oxyhydrides,” Science, 351, 1314-1317 (2016).
  7. G. Kobayashi*, Y. Irii, F. Matsumoto, A. Ito, Y. Ohsawa, S. Yamamoto, Y. Cui, J.-Y. Son and Y. Sato, “Improving Cycling Performance of Li[Li0.2Ni0.18Co0.03Mn0.58]O2 through Combination of Al2O3-based Surface Modification and Stepwise Pre-cycling,”,J. Power Sources, 303, 250-256 (2016).