Study on Mitigation Method of Solder Corrosion for Crystalline Silicon Photovoltaic Modules

Figure 9

EL images of PV modules: the sample without Al after (a) 0 h, (b) 1000 h, (c) 2000 h, and (d) 2500 h of DH exposure and the sample with Al after (e) 0 h, (f) 1000 h, (g) 2000 h, and (h) 2500 h of DH exposure.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)