Enrichment Workshop for Gifted Kids

NO LIMITS TO LEARNING! BELIEVE & YOU CAN ACHIEVE!

Dr Lakshmi Sharma

www.drlakshmisharma.com

So What Do We Mean by Solar Energy ?

What about Fossil Fuels?

Why is it so Important ?

Fossil Fuels ???Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals.

Example ???

Coal Oil Gas

What’s wrong with using fossil fuels?

Pollutant Global warming

CAN YOU THINK OF WIDELY USED SOURCES OF ENERGY?

WHAT ISSUES WILL THESE ENERGIES FACE?

They will run out in the future!!!

Solar Energy: Origin of all energy sources

Why is solar energy important?

Source of Green? To grow vegetables?

Solar Energy ProjectsThermal (solar pond, solar collectors)

Electrical (photovoltaic panels, wind)

Advantages of Solar Energy

• Low Cost

• No Acid Rain

• No Greenhouse Effect

• Solar panels quick set up

• Small scale use of solar power

• recharge batteries when needed.

Disadvantages of Solar Energy

• Expensive initial cost

• Weather condition dependent

• Many solar panels needed

• Large areas of land required - electricity• Generated electricity battery storage • Solar cells have relatively low efficiencies

Solar energy in caravans

Convert solar energy into electrical energy

Currently research into energy efficient solar cells

Next Generation Solar Cells

1991 from Prof. Michael Grätzel (EPFL, Switzerland)

• ~11 % energy conversion efficiency• Low cost materials• Simple production process• Multi-colored Transparent cells

Dye sensitized solar cells

O' Regan and Grätzel, Nature 1991, 353, 737.

TDK

Solar Windows in the House !

Toyota home

Solar Cars !

TOYOTA HOME

Dr Lakshmi Sharma

www.drlakshmisharma.com

NO LIMITS TO LEARNING!BELIEVE & YOU CAN ACHIEVE!

Hope You Enjoyed This Workshop !!!