T/DZJN 221-2023 The technical requirements for gas diffusion layers used in proton exchange membrane fuel cells
T/DZJN 221-2023 The technical requirements for gas diffusion layers used in proton exchange membrane fuel cells
Basic Information
Scope
Main technical content: This document specifies the terms and definitions, technical requirements, test methods, marking, packaging, transportation, and storage for gas diffusion layers used in proton exchange membrane fuel cells. 1 Scope 2 Normative reference documents 3 Terms and definitions 3.1 Definitions 3.2 Symbols 4 Technical requirements 4.1 Thickness uniformity 4.2 Mechanical strength 4.3 Electrical resistivity 4.4 Air permeability coefficient 4.5 Porosity 4.6 Bending stiffness 4.7 Peel strength 4.8 Roughness 4.9 Contact angle 4.10 Thermal conductivity 5 Test methods 5.1 Thickness uniformity 5.2 Mechanical strength 5.3 Electrical resistivity 5.4 Air permeability coefficient 5.5 Porosity 5.6 Bending stiffness 5.7 Peel strength 5.8 Roughness 5.9 Contact angle 5.10 Thermal conductivity 6 Marking, packaging, transportation, and storage 6.1 Marking 6.2 Packaging 6.3 Transportation 6.4 Storage