fuel cells exam 2 Questions with Answers
(100% Correct Answers)
Operation Temp of SOFC Answer: 700-1000 C
An advantage of SOFC Answer: High efficiency and solid electrolytes
Disadvantage of SOFC Answer: High temperature
Disadvantage of PEMFC Answer: expensive catalyst and sensitive to fuel
impurities
In PEMFC the electrodes are operated by Answer: cation exchange membrane
The membrane thickness in PEMFC is usually around Answer: 50 micrometers
In H2/O2 PEMFC the catalyst is usually Answer: Pt
Which is the fuel used in DMFC Answer: Methanol aqueous solution
an advantage of the methanol as fuel in DMFC is Answer: storage and
transportation
in AFC the electro-catalyst can be made from Answer: Ag and metal oxides
AFC is intolerant to Answer: CO2
In PAFC the ion-conducting electrolyte is Answer: H3PO4
In PAFC the ionic conductivity is provided by Answer: H+
The operating temperature of PAFC is around Answer: 190 C
The operating temperature of MCFC is around Answer: 650
Disadvantage of MCFC is Answer: durability
SOFC systems exist in Answer: two configurations
(100% Correct Answers)
Operation Temp of SOFC Answer: 700-1000 C
An advantage of SOFC Answer: High efficiency and solid electrolytes
Disadvantage of SOFC Answer: High temperature
Disadvantage of PEMFC Answer: expensive catalyst and sensitive to fuel
impurities
In PEMFC the electrodes are operated by Answer: cation exchange membrane
The membrane thickness in PEMFC is usually around Answer: 50 micrometers
In H2/O2 PEMFC the catalyst is usually Answer: Pt
Which is the fuel used in DMFC Answer: Methanol aqueous solution
an advantage of the methanol as fuel in DMFC is Answer: storage and
transportation
in AFC the electro-catalyst can be made from Answer: Ag and metal oxides
AFC is intolerant to Answer: CO2
In PAFC the ion-conducting electrolyte is Answer: H3PO4
In PAFC the ionic conductivity is provided by Answer: H+
The operating temperature of PAFC is around Answer: 190 C
The operating temperature of MCFC is around Answer: 650
Disadvantage of MCFC is Answer: durability
SOFC systems exist in Answer: two configurations