An Improved Empirical Fuel Cell Polarization Curve Model Based on Review Analysis

Table 1

Shortages and inconveniences of existing empirical fuel cell polarization curve models.

Features	Equation number
	(1)	(3)	(4)	(5)	(8)	(11)	(12)	(15)	(16)	(17)
Number of fitting parameters	5	5	6	5	5	6	6	7	7	4
Unavailable to fit OCV	√	√	√	√	√	√
Low fitting accuracy of small current densities	√	√	√	√	√	√
Requiring estimating or low fitting accuracy of							√	√	√	√
Requiring measured parameters, such as temperature and gas partial pressure		√					√			√
Requiring estimating				√	√
Mass transfer loss occurring only in high current density region				√
Requiring other empirical constants						√
Requiring measured and										√