Batteries and Fuel Cells. Portable Electric Energy. The Battery. A cell consists of two electrodes of different metals immersed in a weak acid Multiple cells can be stacked in series to make a battery The positive terminal is called the anode and the negative terminal the cathode.
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Portable Electric Energy
The GM EV-1
“The battery challenge is vast. Even with our most advanced experimental power pack, operating costs in 1998 would be unacceptable to the vast majority of drivers. Essentially, it’s like asking the customer to buy a car with a $15,000 gas tank--a $15,000 gas tank that holds the range equivalent to 3 gallons of gasoline; a 3 gallon tank that takes 8 hours to refill, compared to a few minutes at a self-service gas station.”
D. Wilkie, 1994
Pollution occurs at the power plant where it can be more easily contained
Lower operating expenses (repairs, refueling) than gas engines
Batteries must be replaced frequently
Same total amount of pollution (when including the power plant that generates electricity)Pros and Cons of Electric Cars