Khamwandee C, Saengprajak A. Roles of Activation Functions on the Polarization Modeling for the 1.2 kWp Proton Exchange Membrane Fuel Cells: A Focus on ReLU, Sigmoid, and Tanh. J. Renew. Energy Smart Grid Technol. [internet]. 2026 Apr. 29 [cited 2026 Sep. 10];21(1):107-18. available from: https://ph01.tci-thaijo.org/index.php/RAST/article/view/263264