Joseph Nyumutsu

Comparative Performance of New and Remanufactured Lithium-Ion EV Battery Packs in Ghana

Samuel Opare, Godwin Kafui Ayetor, Joseph Nyumutsu, Acheampong Antwi Afari & Prince Yaw Andoh · Journal of Engineering Research and Reports · 2026

Background: The rapid transition toward electric mobility has increased the demand for lithium-ion electric vehicle (EV) batteries; however, the high cost of new battery packs remains a major barrier to EV adoption in developing countries such as Ghana. This study comparatively a...

Open access Research Article 10.9734/jerr/2026/v28i61915

Bond Characteristics of Coated Reinforcing Steel Bars with Reference to Deformation of Concrete Beams

Vincent K. Akortia, Charles K. Kankam, Evans Biney, Edward C. Mansal, Russel O. Afrifa, Jack O. Banahene & Joseph Nyumutsu · Journal of Engineering Research and Reports · 2025

A major cause of reinforced concrete deterioration especially in coastal and moist prone areas is corrosion. It has become a threat to reinforced concrete structural integrity throughout the service life of the structural member, and it calls for endless remedial activities with...

Open access Research Article 10.9734/jerr/2025/v27i81615