Thapa P, Gi Kwon S, Lee J, Choon Park G. Hybrid System of Proton Exchange Membrane Fuel Cell (PEMFC) with Battery for Portable Power Supply. IJET [Internet]. 2018 Sep. 1 [cited 2024 Dec. 22];7(3.34):542-6. Available from: https://sciencepubco.com/index.php/ijet/article/view/19377