Aqueous methanol 2 Carbon 2 Carbon A 2 Carbon cloths 2 Carbon paper 2 Contact resistance 2 Diffusion 2 Diffusion layer 2 Diffusion layers 2 Direct methanol micro fuel cell 2 Electric conductivity 2 Electrical resistivity 2 Fuel cells 2 Gas fuel purification 2 Graphite plates 2 Mechanical permeability 2 Mesoporous carbon 2 Mesoporous carbon structures 2 Mesoporous materials 2 Mesostructured 2 Methanol 2 Methanol solution 2 Micro fuel cells 2 Microfuel cell 2 PEM fuel cell 2 Permeability 2