The interesting thing about batteries is that you can make from a potato. Or a tomato. Or even a lemon or lime. In fact, any liquid or moist object that has enough ions can be electrically conductive to serve as the electrolyte for a cell (see Wikipedia.com). Basically you need to insert two electrodes made of different metals in the wet object, and a chemical reaction occurs when the two metals on the wet cell response, aka: Potato. Cool, huh? Of course, this kind of"Battery" is no real practical use other than force, perhaps to a small clock for a very short time.
A battery is basically stored chemical energy, electrical energy is converted into the usable when the battery terminals on some material) (this behavior can be transferred and the two metals are joined together chemically react. Such as nickel and cadmium in nickel-cadmium battery. Basically, the amount of energy received by you), (volts, how much "intended chemical reaction," You will be positioned among thetwo metals. For this reason, that lithium batteries, the "latest and greatest", which have been powdered milk.
Lithium is a highly reactive alkali. Lithium will react letter if left out in open, humid air. The combination with the hydrogen in the water molecules in the air is of a whitish metal with a black cloud in front of your eyes away. Therefore, when lithium is stored in its pure state is stored in less than oil is to respond to it to stop. Lithium is also veryflammable, so if there was already on fire, water on them it will only burn more. Lithium metal must be covered with special chemicals, extinguished the flames. Li) is also the lightest metal (number 3 on the periodic table of elements. These two properties, low weight and a lot of potential energy to make a large lithium metal used in a battery.
Lithium is highly reactive function is also a flip side of the battery is in the industry. Lithium batteries used in computershave "fired because of their high reactivity. Dell Computer recently had a heavy laptop battery (recall this very computer I'm typing on has been compromised). lithium batteries give a lot of heat and have been burning themselves known. The recall costs industry, but lithium megabucks benefits outweigh disadvantages, and there's lithium technology advances at a rapid pace. "In an interview with BusinessWeek on 16 Confirmed in February, chief executive Katsuaki Watanabe thatToyota, the third generation of hybrid cars, due in late 2008 or early 2009 using lithium-ion batteries. Lighter and stronger than the current nickel-metal hydride packs, which help new batteries for fuel-efficient hybrids. ... "We have the battery can develop over time," he says. ... "We are now reduced to, at the half, both size and cost of the third-generation hybrid system," says Watanabe. "
For most people, including batteries, the battery life, theimportant aspect. How long will it take before I have to recharge / replace it? Basically disposable batteries lose 10-20 percent of their original charge every year when stored at extremely high temperatures (battery life can by them) may be extended in a cool place. So the batteries that you buy at the dollar store does not necessarily mean that last a long time, always the producer of the music on the batteries that you seek.
Rechargeable BatteriesSelf-discharge more rapidly than disposable batteries - up to three percent per day. This rate may from extreme temperatures, so remember, if you save your rechargeable, battery-operated electric tools / flashlights in your garage. Rechargeable batteries also reduce by use. Low capacity nickel-metal hydride (NiMH) and nickel-cadmium (NiCd) batteries may, for example, for about 1000 cycles before pooping is charged to you. In general, a longer,slow charge (overnight) will result in a longer battery life.
It is also what is the "memory effect" in terms of batteries. Memory effect occurs in NiCd and NiMH batteries when crystals form on the electrodes and a reduction of active surface that is loaded (wikipedia.com). This happens when the batteries are not fully discharged before they get to be recharged. NiCd batteries should always be fully discharged before being recharged, because they are suffering, aremore of memory "effect" than NiMH so. The advantage of using lithium-ion batteries is that as a young dog, they do not have a "memory effect". Invite them whenever you want, and they are always fully charged and ready to run.
In summary, the three most commonly used power tool batteries in order of performance:
3. NiMH:
leads to the worst in cold temperatures
has the shortest duration
highest self -Level
-lighter than NiCd
2. NiCd:
leads in cold temperatures to 20F
-low self-discharge rate than NiMH
has a lower self-discharge level than NiMH
heavy-weight
-suffer the worst from "memory effect" if not fully discharged before recharging.
1. Lithium Ion:-lightest weight
lead even at temperatures as low as zero degrees Celsius
-the maximum amountthe life cycle
-lowest self-discharge rate
have a faster loading time
do not suffer from the dreaded memory effect "
** BUT: you may experience permanent damage to Li-ion batteries, when stored at low discharge level, so be careful and keep them well placed to account. So, you start degrading as soon as it leaves the factory. Be sure to check the manufacturer of the batteries before you buy.
:: Please recycle YOURBatteries::
"Her ever since their invention over 250 years, [[battery]] are among the most expensive energy remained, and their manufacturing consumes many valuable resources and often involves hazardous chemicals. For this reason, most areas now, battery recycling services at our disposal to prevent back some of the toxic (and sometimes valuable) materials from used batteries. batteries can be harmful or fatal if swallowed. It is also important to prevent dangerousElements that go in some batteries, such as EAD, mercury, cadmium, into the environment. "- Wikipedia.com
See Also : Dewalt tools
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