1. Dead Batteries
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2. History of Battery
An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Since the invention of the first battery (or "voltaic pile") in 1800 by Alessandro Volta, batteries have become a common power source for many household and industrial applications.

3. Principle of Operation
A voltaic cell for demonstration purposes. In this example the two half-cells are linked by a salt bridge separator that permits the transfer of ions, but not water molecules.

4. Categories and Types of Batteries
Batteries are classified into two broad categories, each type with advantages and disadvantages: Primary Batteries Secondary Batteries

5. What Sorts of Materials do Batteries Contain?
Batteries contain harmful toxic materials such as nickel cadmium, mercury, alkaline, lead acid and nickel metal hydride…

6. Hazards of Batteries Explosion Leakage Ingestion
Environmental concerns

7. Most cities have a hazardous waste pick-up or drop-off day
Most cities have a hazardous waste pick-up or drop-off day. Even a battery that no longer works can be harmful to your health. Never put a used battery in your pocket, purses, briefcases or backpacks because they can leak or explode!

8. Environmental Hazards of Batteries

9. Environmental Hazards of Batteries
Pollute the lakes and streams as the metals vaporize into the air when burned.

10. Environmental Hazards of Batteries
Contribute to heavy metals that potentially may leach from solid waste landfills.

11. Environmental Hazards of Batteries
Expose the environment and water to lead and acid.

12. Environmental Hazards of Batteries
They expose the environment to lead and acid. Contain strong corrosive acids.

13. Environmental Hazards of Batteries
In landfills, heavy metals have the potential to leach slowly into soil, groundwater or surface water.

14. Regulations
Many states have regulations in place requiring some form of battery recycling.

15. What can We Do?
Batteries are constantly being reformulated - check the labels
Source Reduction Changes in Household Batteries
Prevention of Household Battery Waste

16. Check to see if you already have the batteries on hand before buying more.
When suited to the task buy hand operated items that function without batteries.
Look for the batteries that have less mercury and heavy metals.
Consider rechargeable batteries for some needs, but remember that they also contain heavy metals such as nickel-cadmium.

17. Rechargeable Batteries
Rechargeable batteries result in a longer life span and use fewer batteries.

18. Where to Recycle Our Batteries?
Recycling of non rechargeable batteries is becoming more commonplace, but it can still be a challenge to find a local drop-off location.

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