a) How does fuel cell differ from a battery? b) What do the f-chart parameters X and Y represent? What does the f-chart
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a) How does fuel cell differ from a battery? b) What do the f-chart parameters X and Y represent? What does the f-chart
a) How does fuel cell differ from a battery? b) What do the f-chart parameters X and Y represent? What does the f-chart procedure yield? c) Using the average (cloud-free) insolation on earth (168 W/m2), calculate the area of a horizontal photovoltaic array with an efficiency of 20% that would be needed to satisfy the residential electric needs of a city of 250,000 people with an average of 2.6 people per household and average electricity power requirement per home is 1370 W.
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