Transient Response and Steady-State Analysis of the Anode of Direct Methanol Fuel Cells Based on Dual-Site Kinetics

Figure 15

The distribution of dimensionless current at A-A′ with different operation temperature and methanol concentration 𝑙=10 μm, 𝑎=1.0×10⁵ m⁻¹, 𝐸⁰=0.5 V, 𝜅_e=3.4 Ω⁻¹ m⁻¹, 𝐷_e=3.04×10⁻¹⁰ m² s⁻¹, solid line: 𝑇=303 K, 𝑐⁰_M=1.0 M, dash line: 𝑇=333 K, 𝑐⁰_M=1.0 M, dot line: 𝑇=363 K, 𝑐⁰_M=1.0 M, dash dot line: 𝑇=333 K, 𝑐⁰_M=0.5 M, dash dot dot line: 𝑇=333 K, 𝑐⁰_M=2.0 M.