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Alkaline Dry Battery Cell
32
Transcript
Pros Cons
Alkaline Dry CEll
Battery
- Cheap
- Widely available
- Corrodes Less Rapidly with KOH than NH4Cl
- Not rechargeable
- Known to leak(Caustic KOH)
- Disposal Problems
Modern Alkaline Batteries
Cathode
Anode
Overall
Common household use battery
1.28 V + .15V =
E = 1.43 V
Most companies round it to 1.5V
Developed
Independently
by
Waldemar Jungner(1899) &
Thomas Edison(1901)
Actual modern battery created by Canadian Lewis Urry in 1950's
Edison's Work
Automobiles created =
Use Lead-Acid Battery
Cons: Heavy, acid corrosion on lead, short life, unreliable
Model T by Henry Ford came out with the gasoline engine
Began producing a battery KOH and iron and nickel electrodes
Edison's battery forgotten;
only deemed useful for railroad crossings and mining lamps
- not as successful as Edison's claims
- redesigned with more expensive materials
References:
micro.magnet.fsu.edu/electromag/electricity/batteries/alkaline.html
www.alliedelec.com/Images/Products/Datasheets/BM/DURACELL/Duracell_Power-Products_7370520.pdf
makahiki.kcc.hawaii.edu/chem/everyday_battery.html
www.energizer.com/about-batteries/how-do-batteries-work
ethw.org/Edison%27s_Alkaline_Battery
Image by Tom Mooring
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