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by scubabob on May 25th, 2006
It depends upon what type of battery you are talking about. The common ones:
1/ Alkaline battery -- Used in Duracell¨ and Energizer¨ and other alkaline batteries. The electrodes are zinc and manganese-oxide. The electrolyte is an alkaline paste.
2/ Lead-acid battery -- These are used in automobiles. The electrodes are made of lead and lead-oxide with a strong acid as the electrolyte.
3/ Lithium battery -- These batteries are used in cameras for the flash bulb. They are made with lithium, lithium-iodide and lead-iodide. They can supply surges of electricity for the flash.
4/ Lithium-ion battery -- These batteries are found in laptop computers, cell phones and other high-use portable equipment.
5 Nickel-cadmium or NiCad battery -- The electrodes are nickel-hydroxide and cadmium. The electrolyte is potassium-hydroxide.
6/ Zinc-carbon battery or standard carbon battery -- Zinc and carbon are used in all regular or standard AA, C and D dry-cell batteries. The electrodes are made of zinc and carbon, with a paste of acidic materials between them serving as the electrolyte.
You could also argue that the human body is a battery. It stores and discharges electrical energy as well. I think I covered them all.
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Comments
Nice, detailed, and saved me a lot of typing :)
by 8 Jan 2004-10 Dec 2009 on May 24th, 2009
Thanks Jerv, I need to update it though. NiMH weren't readily available back then.
by scubabob on May 24th, 2009
And thanks to Chevron/Texaco (who own patent #6255015), they are only available in small forms not suitable for vehicular use .
The Toyota Rav EV used a NiMH pack and most of them are still on the original battery even after 180K+ miles, but current EVs are limited to either lead-acid, Lithium-ion, or jury-rigging a few hundred old NiMH laptop batteries.
Considering that many modern/upcoming EVs use Lithium-Ion and a 30Kwh pack for a Tango costs $30k you can see why an EV costs so much.
by 8 Jan 2004-10 Dec 2009 on May 24th, 2009