scholarly journals Generation of Bio-electricity by Microbial Fuel Cells

2012 ◽  
Vol 1 (3) ◽  
pp. 231 ◽  
Author(s):  
Maksudur R. Khan ◽  
M. R. Karim ◽  
M. S. A. Amin
Keyword(s):  
Microbial Fuel Cells ◽  
Proton Exchange Membrane ◽  
Exchange Resin ◽  
New Technology ◽  
Cation Exchange Resin ◽  
Proton Exchange ◽  
Cod Removal ◽  
Anode Chamber ◽  
Ion Transfer ◽  
Exchange Membrane

Renewable energy is an increasing need in our society. Microbial fuel cell (MFC) technology represents a new technology for the regeneration of electricity from what would otherwise be considered waste and can be a vital candidate for energy in this respect. Electricity directly generated by using bacteria while accomplishing wastewater treatment in MFC processes. The present study deals with performance of proton exchange membrane and cation exchange resin for ion transfer. The effect of dimension of Resin Bridge on electricity generation and COD removal was reported. A maximum voltage of 10.5 mV was observed at 400ppm of KMnO4 along with 400ml of dairy in an anode chamber. Average COD removal was in the range of 70% to 90%.

scholarly journals Comparative Study on the Effects of Three Membrane Modification Methods on the Performance of Microbial Fuel Cell

Energies ◽  
2020 ◽  
Vol 13 (6) ◽  
pp. 1383 ◽  
Author(s):  
Liping Fan ◽  
Junyi Shi ◽  
Tian Gao
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Fuel Cell ◽  
Microbial Fuel Cell ◽  
Water Purification ◽  
Microbial Fuel Cells ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Generation Capacity ◽  
Exchange Membrane

Proton exchange membrane is an important factor affecting the power generation capacity and water purification effect of microbial fuel cells. The performance of microbial fuel cells can be improved by modifying the proton exchange membrane by some suitable method. Microbial fuel cells with membranes modified by SiO2/PVDF (polyvinylidene difluoride), sulfonated PVDF and polymerized MMA (methyl methacrylate) electrolyte were tested and their power generation capacity and water purification effect were compared. The experimental results show that the three membrane modification methods can improve the power generation capacity and water purification effect of microbial fuel cells to some extent. Among them, the microbial fuel cell with the polymerized MMA modified membrane showed the best performance, in which the output voltage was 39.52 mV, and the electricity production current density was 18.82 mA/m2, which was 2224% higher than that of microbial fuel cell with the conventional Nafion membrane; and the COD (chemical oxygen demand) removal rate was 54.8%, which was 72.9% higher than that of microbial fuel cell with the conventional Nafion membrane. Modifying the membrane with the polymerized MMA is a very effective way to improve the performance of microbial fuel cells.

Mass Transport through a Proton Exchange Membrane (Nafion) in Microbial Fuel Cells†

2008 ◽  
Vol 22 (1) ◽  
pp. 169-176 ◽  
Author(s):  
Kyu Jung Chae ◽  
Mijin Choi ◽  
Folusho F. Ajayi ◽  
Wooshin Park ◽  
In Seop Chang ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Mass Transport ◽  
Microbial Fuel Cells ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Exchange Membrane

Highly efficient sulfonated polybenzimidazole as a proton exchange membrane for microbial fuel cells

2016 ◽  
Vol 317 ◽  
pp. 143-152 ◽  
Author(s):  
Shuvra Singha ◽  
Tushar Jana ◽  
J. Annie Modestra ◽  
A. Naresh Kumar ◽  
S. Venkata Mohan
Keyword(s):  
Fuel Cells ◽  
Microbial Fuel Cells ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Highly Efficient ◽  
Sulfonated Polybenzimidazole ◽  
Exchange Membrane

Modeling and Simulation of a Photosynthetic Solar Cell

2019 ◽  
Vol 62 (2) ◽  
pp. 475-483
Author(s):  
Sachin A. Bhide ◽  
Jonathan Maisonneuve
Keyword(s):  
Solar Cell ◽  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Voltage Drop ◽  
Plant Cells ◽  
Cell Voltage ◽  
Cell System ◽  
Proton Exchange ◽  
Anode Chamber ◽  
Exchange Membrane

Abstract. Solar energy’s potential as a clean, abundant, and economical energy source can be effectively exploited if it is converted to electricity. Photosynthetic solar cells (PSCs) convert sunlight to electricity by using plant cells via photosynthesis and respiration. These processes can be interrupted to provide a path of lesser resistance for the transfer of protons and electrons in a proton exchange membrane fuel cell system. PSCs require no organic fuel, no active feeding system, and produce carbon-neutral power both day and night. In this article, the mechanisms of photosynthesis that generate electrons and protons in the anode chamber are described and modeled. In addition, the concentrations of various species in the anode and cathode chambers, including plant cells, sugars, reducing agents, and catalysts, are modeled as a function of time and used to simulate the electric potential across the fuel cell. The resulting flow of electrons through the external circuit is described. The influence of non-ideal effects is described and modeled, such as the resistance to the motion of protons, reactants, and products through the electrolyte, which contributes to a voltage drop across the cell. The activation energy required for the chemical reactions also contributes to voltage drop. These dynamics are modeled using differential equations for each species. This model can be used to predict the dynamics of a PSC system under various conditions. Keywords: Cell power, Cell voltage, Microbial fuel cell, Modeling, Photosynthetic solar cell, Solar energy.

Effect of Temperature on Electricity Generation of Single-Chamber Microbial Fuel Cells with Proton Exchange Membrane

2011 ◽  
Vol 393-395 ◽  
pp. 1169-1172 ◽  
Author(s):  
Yu Lan Tang ◽  
Ya Ting He ◽  
Peng Fei Yu ◽  
Hong Sun ◽  
Jin Xiang Fu
Keyword(s):  
Microbial Activity ◽  
Power Density ◽  
Microbial Fuel Cells ◽  
Proton Exchange Membrane ◽  
Open Circuit Voltage ◽  
Phosphate Buffer Solution ◽  
Open Circuit ◽  
Proton Exchange ◽  
Single Chamber ◽  
Exchange Membrane

The effects of temperature on electricity performance and microbial activity were investigated in single-chamber microbial fuel cell with proton exchange membrane (S-PEM-MFC) using glucose as substrate with phosphate buffer solution(PBS). The results showed that S-PEM-MFC able to adapt to a wide temperature range of 11, 18, 25, 30 and 35°C. The open circuit voltage, polarization, power density and microbial activity of S-PEM-MFC were increased with increasing temperature from 11 to 30°C. The maximum power density were 193.8mW∙m-3 at 30°C. Compared to 30°C, the battery open circuit voltage increased by only 4.8% at 35°C, while the polarization and power density is almost the same. These results demonstrate that according to the principle of economy which 30°C should be the optimal operating temperature of S-PEM-MFC.

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