TITLE:
The Effect of Different Wavelength of Light for Microbial Fuel Cell with an Anode of Rhodopseudomonas faecalis (PSB-B)
AUTHORS:
Guang Rong, Qingping Hu
KEYWORDS:
Microbial Fuel Cell, Light, Photosynthetic Bacteria
JOURNAL NAME:
Open Access Library Journal,
Vol.4 No.2,
February
22,
2017
ABSTRACT: A microbial fuel cell (MFC) with an algae-assisted cathode is a low-cost
and sustainable way to provide the oxygen for the oxygen reduction reaction.
The anode was with anaerobic microorganism, a kind of photosynthetic
bacteria (PSB-B). An algae bioreactor was connected to cathode microbial fuel
cells to increase power generation by supplying more oxygen to cathode
electrode. In this study, we used red, blue and white LED light as the light
source, and the anode and cathode were under irradiation respectively. The
result showed that white LED light was an effective factor for the anode, the
cell voltage was built up from 34 mv to 60 mv, power density increased up to
2.5 mW/m2, the red and blue light had positive impact on
the voltage. At cathode, the voltage was almost on steady stage conditions, and
it was fluctuated around 35 mv by oxygen bubbles that were produced by algae. This
relatively simple method increased the oxygen reduction rate at a low cost and could
be applied to improve the performance of MFC.