fuel cells

Question 1

what is a fuel cell?

Answer 1

-an electrochemical cell where a fuel donates electrons at one electrode and oxygen gains electrons at the other electrode

Question 2

advantages of fuel cells

Answer 2

-high efficiency - over 80% energy efficiency
-reliable - no decrease in power
-environmentally beneficial - reduces CO2 emissions
-quieter - no moving parts
-reliable

Question 3

disadvantages of fuel cells

Answer 3

-expensive to make
-lack of infrastructure to support it
-fuel cell technology is new and the technology is in the prototype stage
-hydrogen is difficult to store
-hydrogen is expensive