Facile Airbrush Fabrication of Gas Diffusion Layers Comprising Fine-Patterned Hydrophobic Double-Layer and Hydrophilic Channel for Improved Water Removal in Polymer Electrolyte Membrane Fuel Cells

Hyunsoo Chun, Yongtae Kim, Hyoungseok Chae, Minyoung Lee, Byeol Han, Minwook Kim, Hyunsik Choi, Jong Won Hur, Han-Sang Kim, Jong G. Ok