Lithium Batteries
March 5th, 2009 | 
Author: Lithium Batteries
Lithium Batteries deals on Amazon:
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Ozeri Ultra Thin Professional Digital Kitchen Food Scale, in Elegant Stainless Steel $23.85 The Ozeri Ultra Thin Digital Kitchen Scale is designed for the culinary perfectionist who desires superior accuracy in function and sleekness in form. Updated with the latest generation in sensor technology, it provides precise results in graduations of 1g or 0.1oz. The Ozeri Ultra Thin Digital Kitchen Scale is also less than half an inch in thickness. It is one of the lightest kitchen scales on t… |
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Zojirushi NP-HBC10 5-1/2-Cup (Uncooked) Rice Cooker and Warmer with Induction Heating System, Stainless Steel $257.98 Zojirushi’s newest Induction Heating System rice cooker and warmer incorporates induction heating and micro computer technology. The features are as follows: Superior induction heating (IH) technology; healthy cooking options- brown rice, GABA brown rice and germinated brown rice; multi-menu cooking functions: white rice (regular, softer or harder), mixed rice, sushi rice, porridge, sweet rice an… |
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Zojirushi NS-VGC05 Micom 3-Cup (Uncooked) Electric Rice Cooker and Warmer $106.88 The 3-cup Micom Rice Cooker & Warmer is ideal for singles and smaller families and features micro computerized Fuzzy logic technology, which allows the rice cooker to ‘think’ for itself and make fine adjustments to temperature and heating time to cook perfect rice every time. 3 cup size cooks as little as 1/2 cup of rice and can also bake cakes. Multi-menu cooking functions include white/mixed/sus… |
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Sony NP-FH50 Info Lithium H Series Camcorder Battery $59.99 6.8V; 900 Mah; Successor Of Np-Fp50 Battery; Faster Charge & Longer Battery Life With Ac-Vqh10 Super Quick Charge… |
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Pharos REC20 GPS Receiver Only $24.99 12 parallel channels. Built-in antenna. Bluetooth transceiver for wireless communication. 6-hour replaceable, rechargeable Lithium Polymer battery. Enhanced sensitivity receiver offers fast position acquisition time. Blue LED Indicator Glows blue when powered on. NMEA-0183 data protocol. Superior navigation performance in urban, canyon and foliage environments. Rigid shock and vibration compliant…. |
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Olympus Stylus TOUGH-6000 Shockproof & Waterproof Digital Camera (White) + 2GB xD Card + Spare Li-50B Battery + Case + Cameta Bonus Accessory Kit Kit includes: |
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Black & Decker NST2118 12-Inch 18-Volt Ni-Cd Cordless Electric GrassHog String Trimmer/Edger $82.74 2 TOOLS-IN-ONE THAT FEATURES MORE POWER DURABILITY & IS EASY TO USEEXCLUSIVE POWERDRIVE TRANSMISSION DELIVERS MORE POWER FROM THE MOTOR TO THE CUTTING STRING SO THE JOB CAN GET DONE FASTERGREAT CUTTING RESULTS WITHOUT THE MESS & HASSLES OF GASINSTANTLY STARTS EVERY TIME WITH THE PULL OF A TRIGGEREASILY CONVERTS FROM A TRIMMER TO AN EDGERINCLUDES TWO 18V BATTERIES FOR DOUBLE THE RUN TIMEUPC : 88591… |
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Black & Decker HPB18-OPE 18-Volt Slide Pack Battery For 18-Volt Outdoor Cordless Power Tools $32.98 18V slide battery pack for use with all Black & Decker 18V outdoor power tools; for interchangeable convenience and value…. |
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Kidde KN-COSM-B Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm $64.97 The Kidde KN-COSM-B Battery-Operated Carbon Monoxide and Smoke Alarm combines two important safety devices into a single unit. This alarm includes a voice warning system that announces “Fire, Carbon Monoxide, Low Battery, or Smart Hush Activation.” The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of r… |
Ebay listings for Lithium Batteries products.
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10 DEWALT DC9180 LITHIUM-ION NANO BATTERY DATED 2010 $900.00 |
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Makita BL1830-10 18V LXT Lithium-Ion Battery 10-Pack $822.03 |
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10 Hitachi EBM1830 18V 18 Volt Lithium Ion Batteries $719.99 |
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10pcs BL1830 Bl1815 194205-3 LXT400 18V 3.0Ah Lithium Ion Battery for Makita New $520.00 |
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5 Pack New Milwaukee 48-11-2830 M28 28 Volt Lithium-Ion Batteries 3.0 Amp Hour $499.99 |
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6 X MILWAUKEE M18 HC Lithium-Ion Batteries NEW!! $489.00 |
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5 MAKITA LXT 18 VOLT 18V LITHIUM-ION BATTERY BL1830 $419.99 |
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5 MAKITA LXT 18 VOLT 18V LITHIUM-ION BATTERY BL1830 $419.99 |
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5 NEW MAKITA LXT 18 VOLT 18V LITHIUM-ION BATTERY BL1830 $419.99 |
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Fluke Networks Etherscope Network Assistant Replacement Battery – Lithium Ion $410.47 |
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MILWAUKEE 18V Lithium-Ion Battery V18 Powerful 3Ah F38×6 $410.00 |
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New Milwaukee 18V Lithium-Ion Battery 3AhX6 $349.95 |
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6x NEW Milwaukee 48-11-1830 18V Lithium-Ion Battery 3Ah $349.95 |
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Lincoln 18 volt Lithium Ion Cordless Grease Gun Kit with 2 Batteries 1864 $399.95 |
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MAKITA BJV180 18 VOLT 18V JIGSAW + 2- MAKITA BL1830 LITHIUM-ION BATTERY $389.99 |
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5 HITACHI 18V 18 VOLT LITHIUM-ION BATTERIES EBM1830 $384.99 |
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8 Pack ★ Ryobi 18V 2.4Ah Lithium-Ion Tool Battery for cordless power tool ONE+ $373.40 |
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Alemite 18 Volt Lithium Ion Cordless Grease Gun with 2 batteries 595B $372.00 |
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GRACO TrueCoat Plus Cordless Paint Sprayer (NIB) 18V Lithium Ion Battery $370.00 |
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Alemite 18 Volt 595-B Cordless Grease Gun Newest Model W/2 Lithium ION Batteries $364.00 |
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MAKITA BTW251 18V 18 VOLT IMPACT WRENCH + 2- MAKITA BL1830 LITHIUM-ION BATTERIES $334.99 |
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Milwaukee Electric Tools 495-48-11-1828 18V Xc Battery New Lithium $334.43 |
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Lincoln 18v Lithium Ion Power Luber Cordless Grease Gun Kit wiht 1 Battery 1862 $329.95 |
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3 PCS Ryobi 18V 4000MAH Lithium li-lon Battery ONE+ high capacity $325.00 |
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MAKITA BJV180 18 VOLT 18V JIGSAW + 1- MAKITA BL1830 LITHIUM-ION BATTERY $314.99 |
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Ridgid 18v (4) Piece Combo Kit (2) Lithium Ion Batteries w/Charger & Tool Bag $300.00 |
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NEW LXT BJV180 LITHIUM-ION CORDLESS 18V JIG SAW KIT W/2 BATTERYS $300.00 |
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4 MILWAUKEE 18V Lithium-Ion Battery V18 Powerful 3Ah F38×4 $294.95 |
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Fluke Networks Dtx-lion Lithium Ion Battery Pack (dtxlion) $290.22 |
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Alemite 18 Volt Lithium Ion Cordless Grease Gun with 1 battery 595A $282.00 |
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6 Pack ★ Ryobi 18V 2.4Ah Lithium-Ion Battery ONE+ for cordless tool $280.00 |
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Alemite 18 Volt 595-A Cordless Grease Gun Newest Model W/ Lithium ION Battery $275.00 |
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2- MAKITA BHP452 18 VOLT HAMMER DRILL + 2 MAKITA LITHIUM-ION BATTERIES BL1830 $274.99 |
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MAKITA BHP454 18 VOLT HAMMER DRILL + 2 MAKITA LITHIUM-ION BATTERIES BL1830 $269.99 |
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Milwaukee V28 Cordless Sawzall – 28 VOLT LITHIUM W/ BATTERY & CHARGER $250.00 |
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2 New Milwaukee 48-11-2830 M28 28V 28 Volt Lithium Ion Battery Packs Batteries $267.99 |
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DeWalt DC300K Heavy Duty 36V Cordless 7-1/4″ Circular Saw Kit With Nano Tech. $239.00 |
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DeWalt DC300K Heavy Duty 36V Cordless 7-1/4″ Circular Saw Kit With Nano Tech. $239.00 |
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DEWALT 36 VOLT RECIPROCATING SAW, + battery DE9360 lithium ion + charger $246.00 |
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Bosch 18V Cordless Lithium-Ion Impact Driver w/ FatPack Batteries 25618-01 NEW $259.99 |
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MILWAUKEE 2691-22 18V M18 COMPACT & IMPACT DRILL COMBO + 2 LITHIUM-ION BATTERIES $259.99 |
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BOSCH 25610-01 LITHIUM ION IMPACT IMPACTOR DRIVER CHARGER BATTERIES NEW WARRANTY $259.95 |
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MAKITA 18 VOLT IMPACT DRIVER BTD141 + 2 MAKITA 18V LITHIUM-ION BATTERY BL1830 $249.99 |
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DEWALT 20V MAX LITHIUM ION 1/4″ IMPACT DRIVER KIT WITH TWO 3.0 Ah BATTERIES NEW $249.95 |
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Switronix EX-L96 Camcorder Battery – 6300 mAh – Lithium Ion (Li-Ion) – 14.8 V DC $245.44 |
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Fluke Networks Lrpro-lion Lithium Ion Network Multimeter Battery – Lithium Ion $241.70 |
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Milwaukee 48-11-2830 M28 Lithium-Ion Battery-Pack $240.87 |
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MILWAUKEE 2697-82 18 VOLT XC RED LITHIUM HAMMER DRILL HEX DRIVER KIT 2 BATTERIES $219.50 |
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New DeWalt DC9180-2 18-Volt Lithium Ion Nano Battery – 2-Pack $238.00 |
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Ridgid 18v Slim and Fat Pack, Ridgid 12v, and 1 Dewalt 18v Lithium Ion Battery $199.99 |
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SKIL ¼” Power Cordless Ratchet Wrench – 7.2 Volt Lithium Ion Battery BRAND NEW $234.98 |
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Hp Lithium Ion Notebook Ultra-capacity Battery – Proprietary – Lithium Ion $233.96 |
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Makita BL1815-2 18-Volt 1-1/2 Ah Compact Lithium-Ion Battery, 2-Pack $228.00 |
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Bosch 25618-02 18-Volt Lithium-Ion 2-Slim Battery Impact Driver $227.99 |
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Makita LXT Batteries -18v (3.0ah) lithium-ionbattery 2/pk BL1830-2 $227.99 |
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Notebook Battery – Proprietary – Lithium Ion (li-ion) – 10.8v Dc – Hewlett $226.00 |
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NEW Bosch 25618-02 18V Lithium-Ion Impact Driver kit 2 Batteries 25618 $224.95 |
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2 PCS Ryobi 18V 4200MAH HIGH CAPACITY Lithium li-lon Battery ONE+ $220.00 |
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2 PCS Ryobi 18V Lithium li-lon Battery ONE+ high capacity 4.2AH $220.00 |
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MAKITA BHP452 18 VOLT HAMMER DRILL + 2 MAKITA LITHIUM-ION BATTERIES BL1830 $219.99 |
What’s the best Lithium Battery ?
What’s the best Lithium battery ?
We often get puzzled by announcements of new batteriesthat are said to offer very high energy densities, deliver 1000 charge/discharge cycle and are paper-thin. Are they real? Perhaps — but not in one and the same battery. While one battery type may be designed for small size and long runtime, this pack will not last and wear out prematurely. Another battery may be built for long life, but the size is big and bulky. A third battery may provide all the desirable attributes, but the price would be too high for commercial use.
Battery manufacturers are well aware of customer needs and have responded by offering packs that best suit the specific applications. The Mobile Phone industry is an example of clever adaptation. Emphasis is placed on small size, high energy density and low price. Longevity comes in second.
Compromises also exist on lithium-based batteries. Li‑ion packs are being produced for defense applications that far exceed the energy density of the commercial equivalent. Unfortunately, these super-high capacity Li‑ion batteries are deemed unsafe in the hands of the public and the high price puts them out of reach of the commercial market.
In this article we look at the advantages and limitations of the commercial battery. The so-called miracle battery that merely live in controlled environments is excluded. We scrutinize the batteries not only in terms of energy density but also longevity, load characteristics, maintenance requirements, self-discharge and operational costs. Since NiCd remains a standard against which other batteries are compared, we evaluate alternative chemistries against this classic battery type.
Lithium Ion (Li‑ion) — fastest growing battery system. Li‑ion is used where high-energy density and lightweight is of prime importance. The technology is fragile and a protection circuit is required to assure safety. Applications include notebook computers and cellular phones.
Lithium Ion Polymer (Li‑ion polymer) — offers the attributes of the Li-ion in ultra-slim geometry and simplified packaging. Main applications are mobile phones.
The Lithium Ion battery
Pioneer work with the lithium battery began in 1912 under G.N. Lewis but it was not until the early 1970s that the first non-rechargeable lithium batteries became commercially available. Lithium is the lightest of all metals, has the greatest electrochemical potential and provides the largest energy density per weight.
Attempts to develop rechargeable lithium batteries followed in the 1980s, but failed due to safety problems. Because of the inherent instability of lithium metal, especially during charging, research shifted to a non-metallic lithium battery using lithium ions. Although slightly lower in energy density than lithium metal, the Li‑ion is safe, provided certain precautions are met when charging and discharging. In 1991, the Sony Corporation commercialized the first Li‑Ion Battery. Other manufacturers followed suit. Today, the Li‑ion is the fastest growing and most promising battery chemistry.
The energy density of the Li‑ion is typically twice that of the standard NiCd. Improvements in electrode active materials have the potential of increasing the energy density close to three times that of the NiCd. In addition to high capacity, the load characteristics are reasonably good and behave similarly to the NiCd in terms of discharge characteristics (similar shape of discharge profile, but different voltage). The flat discharge curve offers effective utilization of the stored power in a desirable voltage spectrum.
The high cell voltage allows Battery Packs with only one cell. Most of today’s mobile phones run on a single cell, an advantage that simplifies battery design. To maintain the same power, higher currents are drawn. Low cell resistance is important to allow unrestricted current flow during load pulses.
The Li‑ion is a low maintenance battery, an advantage that most other chemistries cannot claim. There is no memory and no scheduled cycling is required to prolong the battery’s life. In addition, the self-discharge is less than half compared to NiCd, making the Li‑ion well suited for modern fuel gauge applications. Li‑ion cells cause little harm when disposed.
Despite its overall advantages, Li‑ion also has its drawbacks. It is fragile and requires a protection circuit to maintain safe operation. Built into each pack, the protection circuit limits the peak voltage of each cell during charge and prevents the cell voltage from dropping too low on discharge. In addition, the cell temperature is monitored to prevent temperature extremes. The maximum charge and discharge current is limited to between 1C and 2C. With these precautions in place, the possibility of metallic lithium plating occurring due to overcharge is virtually eliminated.
Aging is a concern with most Li‑ion batteries and many manufacturers remain silent about this issue. Some capacity deterioration is noticeable after one year, whether the battery is in use or not. Over two or perhaps three years, the battery frequently fails. It should be noted that other chemistries also have age-related degenerative effects. This is especially true for the NiMH if exposed to high ambient temperatures.
Storing the battery in a cool place slows down the aging process of the Li‑ion (and other chemistries). Manufacturers recommend storage temperatures of 15°C (59°F). In addition, the battery should be partially charged during storage.
Manufacturers are constantly improving the chemistry of the Li‑ion battery. New and enhanced chemical combinations are introduced every six months or so. With such rapid progress, it is difficult to assess how well the revised battery will age.
The most economical Li-ion battery in terms of cost-to-energy ratio is the cylindrical 18650 cell. This cell is used for mobile computing and other applications that do not demand ultra-thin geometry. If a slimmer pack is required (thinner than 18 mm), the prismatic Li‑ion cell is the best choice. There are no gains in energy density over the 18650, however, the cost of obtaining the same energy may double.
For ultra-slim geometry (less than 4 mm), the only choice is Li‑ion polymer. This is the most expensive system in terms of cost-to-energy ratio. There are no gains in energy density and the durability is inferior to the rugged 18560 cell.
Advantages and Limitations of Li-ion Batteries
Advantages
High energy density — potential for yet higher capacities.
Relatively low self-discharge — self-discharge is less than half that of NiCd and NiMH.
Low Maintenance — no periodic discharge is needed; no memory.
Limitations
Requires protection circuit — protection circuit limits voltage and current. Battery is safe if not provoked.
Subject to aging, even if not in use — storing the battery in a cool place and at 40 percent state-of-charge reduces the aging effect.
Moderate discharge current.
Subject to transportation regulations — shipment of larger quantities of Li-ion batteries may be subject to regulatory control. This restriction does not apply to personal carry-on batteries.
Expensive to manufacture — about 40 percent higher in cost than NiCd. Better manufacturing techniques and replacement of rare metals with lower cost alternatives will likely reduce the price.
Not fully mature — changes in metal and chemical combinations affect battery test results, especially with some quick test methods.
Advantages and limitations of Li-ion batteries
The Lithium Polymer battery
The Li-polymer differentiates itself from other battery systems in the type of electrolyte used. The original design, dating back to the 1970s, uses a dry solid polymer electrolyte. This electrolyte resembles a plastic-like film that does not conduct electricity but allows an exchange of ions (electrically charged atoms or groups of atoms). The polymer electrolyte replaces the traditional porous separator, which is soaked with electrolyte.
The dry polymer design offers simplifications with respect to fabrication, ruggedness, safety and thin-profile geometry. There is no danger of flammability because no liquid or gelled electrolyte is used. With a cell thickness measuring as little as one millimeter (0.039 inches), equipment designers are left to their own imagination in terms of form, shape and size.
Unfortunately, the dry Li-polymer suffers from poor conductivity. Internal resistance is too high and cannot deliver the current bursts needed for modern communication devices and spinning up the hard drives of mobile computing equipment. Heating the cell to 60°C (140°F) and higher increases the conductivity but this requirement is unsuitable for portable applications.
To make a small Li-polymer battery conductive, some gelled electrolyte has been added. Most of the commercial Li-polymer batteries used today for mobile phones are a hybrid and contain gelled electrolyte. The correct term for this system is Lithium Ion Polymer. For promotional reasons, most battery manufacturers mark the battery simply as Li-polymer. Since the hybrid lithium polymer is the only functioning polymer battery for portable use today, we will focus on this chemistry.
With gelled electrolyte added, what then is the difference between classic Li‑ion and Li‑ion polymer? Although the characteristics and performance of the two systems are very similar, the Li‑ion polymer is unique in that solid electrolyte replaces the porous separator. The gelled electrolyte is simply added to enhance ion conductivity.
Technical difficulties and delays in volume manufacturing have deferred the introduction of the Li‑ion polymer battery. In addition, the promised superiority of the Li‑ion polymer has not yet been realized. No improvements in capacity gains are achieved — in fact, the capacity is slightly less than that of the standard Li‑ion battery. For the present, there is no cost advantage. The major reason for switching to the Li-ion polymer is form factor. It allows wafer-thin geometries, a style that is demanded by the highly competitive mobile phone industry.
Advantages and Limitations of Li-ion Polymer Batteries
Advantages
Very low profile — batteries that resemble the profile of a Credit Card are feasible.
Flexible form factor — manufacturers are not bound by standard cell formats. With high volume, any reasonable size can be produced economically.
Light weight – gelled rather than liquid electrolytes enable simplified packaging, in some cases eliminating the metal shell.
Improved safety — more resistant to overcharge; less chance for electrolyte leakage.
Limitations
Lower energy density and decreased cycle count compared to Li-ion — potential for improvements exist.
Expensive to manufacture — once mass-produced, the Li-ion polymer has the potential for lower cost. Reduced control circuit offsets higher manufacturing costs.
About the Author
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Lithium Battery Danger
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