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

Figure 2

Comparison of calculated and experimental anode polarisation data at various temperature and methanol concentration, 𝜅_e=3.4 Ω⁻¹ m⁻¹, 𝐷_e=3.04×10⁻¹⁰ m² s⁻¹; experiment data: (■) 𝐶⁰_M=1.0 M, 𝑇=303 K, (▲) 𝑐⁰_M=1.0 M, 𝑇=363 K, (△) 𝐶⁰_M=0.5 M, 𝑇=333 K, (⚪) 𝐶⁰_M=1.0 M, 𝑇=333 K, (□)  𝐶⁰_M=2.0 M, 𝑇=333 K; simulation results: solid line 𝑙=10 μm, 𝑎=118317 m⁻¹; dash line: 𝑙=25 μm, 𝑎=37500 m⁻¹.