project #4: renewable energy system p.i.: vesselin shanov g.a.: feng wang teacher - deon edwards...
TRANSCRIPT
![Page 1: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/1.jpg)
Project #4: Renewable Energy SystemP.I.: Vesselin ShanovG.A.: Feng WangTeacher - Deon EdwardsTeacher - Stephanie Baldwin
![Page 2: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/2.jpg)
Fossil Fuels• 85% of American energy• Growing Demand• Finite supply • Negative Environmental Effects
![Page 3: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/3.jpg)
Solar EnergyDoes not polluteUnending supplyDoes not emit greenhouse gasTwo-types
Silicon Solar CellNanocrystalline TiO2
Silicon Solar Cell
Nanocrystalline TiO2
![Page 4: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/4.jpg)
Silicon Solar Cells
•Wide spread•Expensive to produce
![Page 5: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/5.jpg)
Dye-Sensitized TiO2 Solar Cell
• Based on photosynthesis
• Newer, less proven• Inexpensive to produce
![Page 6: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/6.jpg)
TiO2 Coating with Spinach Dye
Electrolyte(Iodine)
Carbon Layer(use for catalyst)
Counter Electrode Glass plate
Electrode Glass plate
e
How Dye Sensitized Solar Cells work
![Page 7: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/7.jpg)
DyesSyntheticExpensiveNot widely available
OrganicCheaperMore widely available
RaspberryBlackberriesGreen Leaves
![Page 8: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/8.jpg)
Dye Solar Cell ProcedureStep 1: Prepare
conductive plates with tape and apply the TiO2 film
Step 2: Bake plates
![Page 9: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/9.jpg)
Procedure-continuedStep 3: Dye the plates Step 4: Assemble Cell
![Page 10: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/10.jpg)
Testing and DataTesting completed using a solar simulator and automated multimeter
Data CollectedCurrent Voltage
![Page 11: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/11.jpg)
CalculationsCurrent Density
CD = Current x Area
Power DensityPD = Current Density x
Voltage
![Page 12: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/12.jpg)
-1500 -1000 -500 0 500 1000 1500
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
Current Density vs VoltageSynthetic Spinach Black Berry
Voltage in Millivolts
Curr
ent
in M
illi
am
ps
Results
![Page 13: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/13.jpg)
Results
-400 -300 -200 -100 0 100 200 300
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
Current Density vs VoltageSynthetic Spinach Black Berry
Voltage in Millivolts
Curr
ent
in M
illi
am
ps
![Page 14: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/14.jpg)
ResultsDye Type Short
Circuit Current
Open Circuit Voltage
Synthetic .55 mA/cm2 215 mVBlackberry .27 mA/cm2 45 mVSpinach .30 mA/cm2 305 mV
Dye Type Short Circuit Current
Open Circuit Voltage
Synthetic .55 mA/cm2 215 mVBlackberry .27 mA/cm2 45 mVSpinach .30 mA/cm2 305 mV
![Page 15: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/15.jpg)
Our conclusion
Questions?
![Page 16: Project #4: Renewable Energy System P.I.: Vesselin Shanov G.A.: Feng Wang Teacher - Deon Edwards Teacher - Stephanie Baldwin](https://reader036.vdocuments.mx/reader036/viewer/2022062518/56649f1b5503460f94c31450/html5/thumbnails/16.jpg)
ACKNOWLEDGEMENTSSincere thanks to . . . National Science Foundation. Anant R. Kukreti, Associate Dean for
Engineering Education Research and Professor, Department of Civil and Environmental Engineering, for leading the project.
Dr. Vesslin Shanov Feng Wang Andrea Burrows, for her logistical
support.