A lithium iron battery is a lithium ion battery which uses iron phosphate (LiFePO4) as cathode material. But first, we must understand what a lithium battery is to get a better idea of the advantages of a LiFePo4 battery.
Lithium-ion batteries (or simply lithium batteries) are batteries which use lithium based material as a cathode and a variety of other materials (most commonly graphite) as anode. These batteries are commonly found in portable devices, such as cellphones, digital cameras, and others due to its light weight, small form factor and long battery life.
Lithium Ion Power Tools
Lithium batteries have the advantage of using lithium, which is the element that is most easily oxidized. It means that it can easily give up an electron, which is then used by the circuit to power itself. The easier electrons are taken from a battery, the more efficient it becomes, hence accounting for its longevity. In addition, lithium is the lightest known metal, therefore it allows for portability and the material can be shaped easily.
Lithium by itself cannot be used as cathode, since it is so reactive that it would immediately form a salt with non-metals in the environment. This is most aptly demonstrated by the fact that lithium cannot be found in native form or in elemental form in nature. More commonly, it is found in the form of lithium chloride and other halide salts. In addition, native lithium spontaneously ignites and even reacts violently with water, necessitating its storage under oil.
This means that lithium compounds must be used in order to have lithium as cathode. These compounds must produce ions upon decomposition and must have an easily reversible reaction for it to be used as a rechargeable battery.
One good example of a lithium compound used is lithium iron phosphate (LI). LI batteries were developed at the University of Texas in 1996 as a cheap way of creating lithium batteries. It is cheap since lithium's "partner", iron is relatively more abundant compared to other metals being used to make lithium compounds for batteries. It has the advantage of having a slower discharge rate among lithium batteries, which means increased shelf-life.
As can be observed, the reaction produces lithium ions, and iron (III) phosphate (FePO4). Iron (III) phosphate or Ferric Phosphate is non-toxic unlike the other form which is iron (II) phosphate (Fe3(PO4)2). In fact, ferric phosphate is used as an iron supplement for humans, demonstrating it is safe for human consumption. This is the main reason why lithium iron phosphate is preferred over other lithium-based batteries. Other lithium-ion batteries, such as the more common lithium-cobalt batteries, produce more toxic cobalt oxide compounds.
Special Price!!! DEWALT DCD760KL 18-Volt 1/2-Inch Cordless Compact Lithium-Ion Drill/Driver Kit
Nov 11, 2011 00:53:14
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DEWALT DCD760KL 18-Volt 1/2-Inch Cordless Compact Lithium-Ion Drill/Driver Kit Feature
- Lightweight design (4.0 lbs) minimizes user fatigue
- Dual speed range 0-500/0-1700 rpm delivers optimal performance
- LED worklight provides increased visibility in confined spaces
- Compact track saw batteries (DC9181) are compatible with the existing system of DEWALT 18v power tools produced since 1996
- Compact size (8.2-inch) allows users to fit into tight spaces;
DEWALT DCD760KL 18-Volt 1/2-Inch Cordless Compact Lithium-Ion Drill/Driver Kit Overview
Powered by Lithium-Ion batteries for long-lasting, reliable performance without the weight of nicad packs the DEWALT DCD760KL 1/2-Inch 18-Volt Cordless Compact Lithium-Ion Drill/Driver is a powerful tool. Its compact and lightweight design provides easy, comfortable handling on the job site or in the shop. Ideal for a range of professional jobs, this efficient tool includes two Lithium-Ion batteries, 30-minute yellow lithium/nicad charger, and heavy-duty kit box.
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 The compact, lightweight design of this drill/driver makes drilling overhead or in tight spaces a cinch. View larger. |
 Enjoy quick, reliable drilling thanks to the drill/drivers 17 clutch settings. View larger. |
Efficient and powerful, the DEWALT DCD760KL 1/2-Inch 18-Volt Cordless Compact Lithium-Ion Drill/Driver is a must-have for any job site or professional shop. It offers 17 clutch settings, an LED work light for improved visibility in tight spaces or low-light conditions, and features a user-friendly design that keeps things simple so you can get the job done right the first time. It also offers the convenience of a dual speed range of 0-500/0-1,700 rpm for optimal versatility.
Lightweight, Compact Design for Tight Spaces
Weighing in at just 4 pounds with a length of 8.2 inches, the DCD760KL lets you work all day without putting excessive strain on wrists and hands, which helps boost productivity. Its compact size also makes it easy for you to drill in tight spaces like under sinks, and in corners, or a closet.
Lithium-Ion Batteries for Long-Lasting, Quick-Charging Performance
The DCD760KL is powered by compact Lithium-Ion batteries that are compatible with the existing system of DEWALT 18-volt power tools produced since 1996. These batteries are far lighter weight than nicad batteries, charge in just 30 minutes, and are long lasting, so you can minimize downtime.
Warranty Information
The DEWALT DCD760KL 1/2-Inch 18-Volt Cordless Compact Lithium-Ion Drill/Driver is backed by a limited three-year warranty, 90-day money-back guarantee, one-year free service contract, and two-year free service contract on the batteries.
What's in the BoxDrill/driver, two compact Lithium-Ion batteries, 30-minute yellow top Lithium/nicad charger, and heavy-duty kit box.
 Fasten and finish hard wood projects with this 18-volt drill/driver. |
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