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OBJECTIVES
Principle of solar cell.
Whether solar cell is common among
undergraduates.
The benefits and drawbacks of using solar cell.
Future development of solar cell .
SOLAR CELL
A electrical device that converts the energy
of light directly into electricity when exposed
to the light source. (e.g. sunlight, artificial
light…)
Renewable energy.
APPLICATION
Household solar power generation.
Electricity supply for vehicles.
Space technology.
(satellite communication power supply)
Battery charger.
SURVEY SESULT
Never15% Less than Once
a Month5%
2-3 Times a Month25%
Once a Week30%
Daily25%
How often do you use solar cell?
0 2 4 6 8 10 12 14 16 18 20
environmental friendly.
unlimited energy supply
save money
create high voltage
convenient
95%
95%
35%
1%
80%
What are the benefits of using solar cell?
Do you satisfy with the voltage of solar cell ?
Satisfactory80%
Fine10%
Not Satisfactory
10%
Satisfactory
Fine
Not Satisfactory
Do you satisfy with the set up cost of solar?
Satisfactory80%
Fine10%
Not Satisfactory
10%
Satisfactory
Fine
Not Satisfactory
Do you satisfy with running cost of solar cell ?
Satisfactory80%
Fine10%
Not Satisfactory
10%
Satisfactory
Fine
Not Satisfactory
Do you satisfy that solar cell is user-friendly?
Satisfactory80%
Fine10%
Not Satisfactory
10%
Satisfactory
Fine
Not Satisfactory
Do you think solar cell will be the new trend
of energy use in the future?
0
2
4
6
8
10
12
Yes No
90%
10%
What types of industry do you think
it is possible to apply solar cell?
0 5 10 15 20
Business
Logistics
Security
Social Services
Electronics
95%
65%
15%
25%
65%
FUTURE DEVELOPMENT
• Occupy the important position in world
energy consumption.
• Increase the efficiency.
• Apply solar cell to more devices.
• Explore new raw material.
• Reduce the production cost
so that solar cell can be
widely developed.
CONCLUSION
Sunlight is free and abundant.
Alternative + Renewable energy.
Does not produce any pollutant.
Reduce the reliance on fossil fuels.
User-friendly.
new trend of energy use in the future
WORK DIVISION
Lo To : Collecting Data + Analyze
Yu Man Lok : Survey + Analyze
Leung Kwai Sum : PowerPoint + Analyze
ANALYSE