Research field (2)：
Applied materials
, Applied molecular and cellular biology
Research keywords (1)：
Nanomaterials, Soft Matter, Stimuli responsive materials, Phase change materials, Thermal energy storage, Biomaterials, Gold Nanoparticles, Green transformation.
Research theme for competitive and other funds (8)：
2026 - Fabrication of Ti-doped microencapsulated Sn PCM for efficient thermal energy storage
2026 - Development of Sn-Bi microencapsulated PCM for low temperature thermal energy storage and thermal management
2025 - 2026 Enhancement of the structural and thermal properties of Cu-Si-Al microencapsulated PCM for high temperature applications
2024 - 2025 Development of Sn-Zn-Mg microencapsulated PCM via high impact speed blending and heat oxidation treatment for mid temperature thermal energy storage and applications
2024 - 2025 Enhancement of the thermal and structural properties of ternary Al-Cu-Si PCM for latent heat thermal energy storage
2023 - 2024 Fabrication of Ti-doped microencapsulated Al-Si PCM composites for efficient thermal energy storage
- 2024 Suppression of supercooling and phase change hysteresis of Al-Si phase change materials for effective latent heat thermal energy storage and utilizations
2018 - 2022 Development of thermo-responsive gold nanodiscs for a novel plasmonic photothermal cancer therapy
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Papers (11)：
Fan Chen, Ruiqi Lin, Yeku Wang, Pan Guo, Yongchao Wang, Ahmed ElSheikh, Joshua Chidiebere Mba, Fabian I. Ezema, Nan Sheng, Chunyu Zhu. Study on the preparation and thermal storage performance of flexibly encapsulated hydrate salt phase change capsules. Journal of Energy Storage. 2026. 153. 120925-120925
Joshua Chidiebere Mba, Kaixin Dong, Keita Tanahashi, Yuto Shimizu, Tomokazu Nakamura, Melbert Jeem, Takahiro Nomura. Mechanical Microencapsulation and Shell Formation Mechanism of High Working Temperature Al-25Si Alloy Phase Change Material. ACS Sustainable Chemistry & Engineering. 2026
Koji Takizawa, Noritoshi Yagihashi, Yuki Nakama, Yuto Shimizu, Tomokazu Nakamura, Joshua Chidiebere Mba, Melbert Jeem, Takahiro Nomura. Microencapsulation of high-temperature Cu Si based phase change materials utilizing oxide ion conductors for robust shell formation. Chemical Engineering Journal. 2026. 174417-174417
Abdudin Temam, Assumpta C. Nwanya, Nisrin Alnaim, Joshua Chidiebere Mba, Adil Alshoaibi, Chunyu Zhu, Paul M. Ejikeme, Fabian I. Ezema. Surface engineering and dendrite control of zinc anodes for efficient zinc-air batteries. Current Opinion in Electrochemistry. 2026. 55. 101780-101780
Joshua Chidiebere Mba, Kaixin Dong, Melbert Jeem, Takahiro Nomura. Thermal Hysteresis Mitigation in Advanced Al-Cu-Si Phase Change Materials Developed via Dry Synthesis Approach for Effective Thermal Energy Storage and Industrial Thermal Regulations. Energy & Fuels. 2025. 39. 31. 15115-15126
Evaluation of Ti-doped Al-Si Phase Change Materials composites for effective use in thermal energy storage and thermal management systems
(2024 MRS Fall Meeting and Exhibit)
Supercooling suppression of Al-Si phase change material for efficient thermal energy storage and practical applications
(Enerstock 2024 2024)
Analysis of thermal stability and microstructure of Al-25Si core-shell phase change microcapsules during 1000 melting and solidification processes .
(Japan Institute of Metals Lecture Conference (Web) 2023)
Hysteresis on assembly/disassembly of gold nanodiscs coated with thermo-responsive molecules.
(71st Society for Polymer Science, Japan Annual Meeting. 2022)
Thermo-responsive assembly of gold nanodiscs functionalized with hexa (ethylene glycol) derivatives.
(20th Conference of the Society of Nano Science and Technology Japan. 2022)
2018 - 2022 Hokkaido University Graduate School of Life Science Doctoral degree, Soft Matter,
2016 - 2018 Hokkaido University Graduate School of Life Science Master's degree, Transdisciplinary Life Science
2009 - 2013 Ebonyi State University, Abakaliki. Bachelor's degree, Biotechnology
Professional career (1)：
Doctor of Philosophy (Hokkaido University)
Work history (3)：
2022/12 - 現在 Centre for Advanced Research of Energy and Materials, Hokkaido University Postdoctoral Research Fellow
2022/10 - 2022/11 Centre for Advanced Research of Energy and Materials, Hokkaido University. Academic Researcher
2018/10 - 2022/09 Molecular Device Laboratory, Research Institute for Electronic Science, Hokkaido University Research Assistant
Awards (3)：
2026/04 - Japan Society for the Promotion of Science Grant-in-aid for Scientific Research - Early Career Scientist Development of SiO2 microencapsulated Fe-Si phase change material for ultra high temperature latent heat storage
2024/06 - Centre for Advanced Research of Energy and Materials Young Researchers Research Grant 2024.
