dye-sensitized solar cells

12
UNIVERSITY OF JYVÄSKYLÄ Dye-sensitized solar cells Jouko Korppi-Tommola Jani Kallioinen Pasi Myllyperkiö Henriette Santa-Nokki

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Dye-sensitized solar cells. Jouko Korppi-Tommola Jani Kallioinen Pasi Myllyperkiö Henriette Santa-Nokki. Counter electrode Platinized conductive nanoparticles (Pt-SnO 2 :Sb). Spread Pt-SnO 2 :Sb. Cut & Clean substrates. Press. Other components. Hotmelt frame. Electrolyte. Assembly. - PowerPoint PPT Presentation

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Page 1: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

Dye-sensitized solar cells Jouko Korppi-TommolaJani KallioinenPasi MyllyperkiöHenriette Santa-Nokki

Page 2: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

Photoactive electrode:Ruthenium dye-sensitized TiO2 film

Spread TiO2 PressCut & Cleansubstrates

Other components

Hotmelt frame

Electrolyte

Sensitization

Assembly

DSSC

Counter electrodePlatinized conductive nanoparticles (Pt-SnO2:Sb)

SpreadPt-SnO2:Sb Press

Cut & Cleansubstrates

Preparation scheme for DSSC on conductive plastics

Page 3: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

Dynamic press

TiO2

Cond. substrate

Laboratory paper calender

Pressure

Metal plate

Cond. substrate

TiO2

Press plate

Static press

Hydraulic press

Pressing of electrode materials

Page 4: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄExamples of studied issues:

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.70.00

-0.05

-0.10

-0.15

-0.20

-0.25

-0.30

-0.35

-0.40

Current

[mA cm

-2

]

Voltage [V]

Spreading methods• Control coater• Film applicator• Gravure printing

Composition of the pastes• Viscosity (solid content, solvent)• Additives (cellulose)

Film thicknesses• TiO2

• Pt-ATO

Electrolyte• Solid, gel or liquid

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.70.0

-0.2

-0.4

-0.6

-0.8

-1.0

-1.2

Current

[mA cm

-2

]

Voltage [V]

Page 5: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

Dye-sensitized TiO2 stripeson ITO-PET

Electrochromic cellson ITO-PET

Page 6: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

Research on solar collector efficiency

Vaajakoski research laboratory

Flat plate, vacuum, black liquid, black rubber collectors

Page 7: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄUiniversity of JyväskyläBioEnv., Phys, Chem, Math-Stat, , Soc. S andEcon.

Solar hear collector system

- Storage tanks, 60 l, 500 l, 1000 l- Transfer liquid volume 20 l- Circulation started at T> 5 oC- Six T detectors, flow meter- Sampling every minute 1 min

Storage tank VLM Flex 500

Tx 2003-3 (6 m2 flat plate collector)

p

°C

°C

T 1 (collector output)

T 2 (storage tank)

T 3 (outside temperature)

T 4 (collector input)

T 5 (storage tank top)

T 6 (storage tank bottom)

1

2

3

4

5

6

9

1 2 3 4 5 6 7 8 9 10

F 9 (flow meter)

Page 8: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

ABC: Aurinkolämpökeräimet (arvio)

0

500

1000

1500

2000

2500

3000

2005-04 2005-05 2005-06 2005-07 2005-08 2005-09 2005-10

Lämmöntuotanto [kWh/kk]

0

2

4

6

8

10

12

14

Kokonaistuotanto [MWh]

Viitasaari ABC service station solar heat collectors

Total heat production 2005ca. 12 500 kWhProduction most efficient in the spring, snow, no leaves

TiNOx coatingNet area 43 m2

Power 32 kWp

Tilt angle 35o

Facing South

Monthly and cumulative heat production

Page 9: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

Saarijärvi school Center PV-system, 6 kWp

New commercial solutionHIT (Heterojunction with Intrinsic Thin layer)

Manufacturer gives 16,5% efficiency

Page 10: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

System discription

Sanyo HIT panel, 6 kWp

-Panels 1443*798*35 mm, 66 cells/panel, -33 panels, in three groups-Tilt angle 40 degrees, facing south-Two Fronius (IG60 and IG15) DC-AC inverters-Connected directly to school grid-Davis weather station, solar radiation, T, wind speed

HIT panels have large dEoc/dT = -116 mV/oC

Suits well toNothern climate !!!

Page 11: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ

AC

pow

er

Date

Saarijärvi school, Sanyo HIT panel, 6 kWp, Oct - Nov 2005

Power production

Page 12: Dye-sensitized solar cells

UNIVERSITY OF JYVÄSKYLÄ ABC Viitasaari: Aurinkosähköpaneelit

0

5

10

15

20

25

30

35

40

45

2005-02-102005-02-242005-03-102005-03-242005-04-072005-04-212005-05-052005-05-192005-06-022005-06-162005-06-302005-07-142005-07-282005-08-112005-08-252005-09-082005-09-222005-10-06

Sähköntuotanto [kWh/vrk]

0

0,5

1

1,5

2

2,5

3

3,5

Kokonaistuotanto [MWh]

ABC Viitasaari: Aurinkosähköpaneelit

0

100

200

300

400

500

600

700

2005-02 2005-03 2005-04 2005-05 2005-06 2005-07 2005-08 2005-09 2005-10

Sähköntuotanto [kWh/kk]

0

0,5

1

1,5

2

2,5

3

3,5

Kokonaistuotanto [MWh]

Viitasaari ABCservice stationcefetria PVtearraceroof

94 m2 amorphous silicon Tilt angle 5o, facing south, 5 kWp

Total production3200 kWh in 2005

Daily production 2005

Monthly production 2005