Optimum Conditions for Maximum Power of a Direct Methanol Fuel Cell

Table 3

Values of fuel cell parameters.

Parameter	Symbol	Unit	Value	Reference
Diffusion coefficient of methanol in liquid	𝐷𝑚	cm^2 s^−1	4.9×10^−6𝑒^2436(1/333−1/𝑇)	[6]
Diffusion coefficient of methanol in membrane	𝐷𝐵	cm^2 s^−1	2.8×10^−5𝑒^2436(1/353−1/𝑇)	[6]
Diffusion coefficient of oxygen	—	cm^2 s^−1	1×10^−3	[7]
Reference current density of methanol	𝐼^MeOH0,ref	A cm^−2	94.25×10^−4𝑒^35570(1/353−1/𝑇)	[7]
Reference current density of oxygen	𝐼^O20,ref	A cm^−2	0.04222×10^−4𝑒^73200(1/353−1/𝑇)	[7]