Storage and fuel cells

What are primary cells?

non-rechargeable cells

What are secondary cells?

rechargeable cells

How is energy generated from primary cells?

oxidation and reduction at the electrodes

A fuel cell does what?

uses the energy from the reaction of a fuel with oxygen to create a voltage

How do fuel cells work?

Do fuel cells have to be recharged?

No

What are the advantages of using cells?

portable source of energy

What is an advantage and disadvantage of using non-rechargeable cells?

advantage: cheap

disadvantage: waste issues

What is are the advantages and disadvantages of using re-chargeable cells?

advantages: less waste, cheaper in the long run, lower environmental impact

disadvantage: some waste issues at end of useful life

What are the advantages and disadvantages of using hydrogen fuel cells?

advantages: only waste product is water, doesn’t need re-charging, very efficient

disadvantages: need constant supply of fuels, hydrogen is flammable and explosive, hydrogen is usually made using fossil fuels, high cost