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Lead Acid Battery Disadvantages 2008-04-04 03:15:59 • Low energy density - poor weight-to-energy ratio limits use to stationary and wheeled applications.
• Cannot be stored in a discharged condition - the cell voltage should never drop below 2.10V.
• Allows only a limited number of full discharge cycles - well suited for standby applications that require only occasional deep discharges.
• Lead content and electrolyte make the battery [...]
Lead-Acid Battery Advantages 2008-04-03 03:00:18 • Inexpensive and simple to manufacture.
• Mature, reliable and well-understood technology - when used correctly, lead-acid is durable and provides dependable service.
• The self-discharge is among the lowest of rechargeable battery systems.
• Low maintenance requirements - no memory; no electrolyte to fill on sealed version.
• Capable of high discharge rates. Read more:Advantages
Can Lead-acid Compete with the New Technologies? 2008-04-02 12:08:18 Lead-acid is the oldest rechargeable battery in existence. It has retained a market share in applications where newer battery chemistries would either be too expensive or the upkeep would be too demanding. There are simply no cost-effective alternatives for such applications as wheelchairs, scooters, golf carts, people movers and UPS systems. Read more:Compete
What are the Disadvantages of the Lithium-Polymer Battery? 2008-04-01 11:53:10 • Lower energy density and decreased cycle count compared to lithium-ion.
• Expensive to manufacture.
• No standard sizes. Most cells are produced for high volume consumer markets.
• Higher cost-to-energy ratio than lithium-ion Read more:Lithium
, Polymer
What are the Advantages of Lithium-Polymer Batteries? 2008-03-31 11:53:09 • Very low profile - batteries resembling 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.
• Lightweight - gelled electrolytes enable simplified packaging by eliminating the metal shell.
• Improved safety - more resistant to overcharge; less chance for [...] Read more:Advantages
, Lithium
, Polymer
What are some things to look for in a charger? 2008-03-27 11:54:52 Well you need to determine what features you want in a charger. Portability, waterproofing, built in indicators (digital or analog), short circuit protection, and the list goes on. One of the best features is de-sulphation, as it will extend the life of your battery and save you some money. Well worth the extra cost of [...] Read more:things
Questions about Battery Performance 2008-03-27 11:53:38 Hi,
I have a Chinese electric Moped that I have been test riding for my own amusement since July. It has 5 batteries in a string for 60 volts to run a 2,000 watt brushless motor.
The batteries are called GreenSaver and are a silicone lead AGM type of battery, not the typical lead acid AGM type.
I [...] Read more:Performance
Is Lithium-ion the best battery? 2008-03-27 11:49:33 For several years, nickel-cadmium batteries had been the only suitable battery
for portable equipment from wireless communications to mobile computing. Nickel-metal-hydride and lithium-ion emerged in the early 1990s, fighting nose-to-nose to gain customer’s acceptance.
Today, lithium-ion is the fastest growing and most promising battery chemistry. The energy density of lithium-ion is typically twice that of the [...] Read more:Lithium
The History of Lithium-ion Batteries 2008-03-27 11:48:15 Pioneer work with the lithium battery began in 1912 under Gilbert Newton Lewis (a famous American chemist) but it was not until the early 1970s when 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 for weight. Lithium [...] Read more:History
What are the advantages of Lithium-Ion Batteries? 2008-03-27 11:46:45 • High energy density - potential for yet higher capacities.
• Does not need prolonged priming when new. One regular charge is all that’s needed.
• Relatively low self-discharge - self-discharge is less than half that of nickel-based batteries.
• Low Maintenance - no periodic discharge is needed; there is no memory.
• Specialty cells can provide very high current to applications such as [...] Read more:Lithium
Lead-acid Batteries: A Short History 2008-04-07 03:15:42 The lead-acid battery was invented by a French physician named Gaston Planté in 1859. Lead-Acid was the first commercial rechargeable battery. Today, flooded lead-acid batteries hold the primary position in automobiles, forklifts, and UPS systems for computers. In the mid 70’s, researchers developed a maintenance-free lead-acid battery that can be operated in any position. The [...] Read more:Short
, History
Advantages of Supercapacitors 2008-04-09 03:30:40 • Virtually unlimited cycle life - can be cycled millions of time.
• Low impedance - enhances load handling when put in paralleled with a battery.
• Rapid charging -Supercapacitors charge in seconds.
• Simple charge methods - no full-charge detection is needed; no danger of overcharge. Read more:Advantages
What is the Purpose of the Supercapacitor? 2008-04-08 11:42:40 The supercapacitor resembles a regular capacitor with the exception that it offers very high capacitance in a small package. Energy storage is by means of static charge rather than of an electro-chemical process that is inherent to the battery. Applying a voltage differential on the positive and negative plates charges the supercapacitor.
This concept is similar [...] Read more:Purpose
What are the advantages of Silicon-lead AGM batteries? 2008-04-11 03:30:17 Silicon-lead batteries
are a newer technology that uses a silicon compound electrolyte. Designed to charge faster and work better in cold environments this technology has a lot of potential. Currently there is only one manufacturer of this type of battery. Greensaver Tech Co., Ltd. As this technology becomes more stable and a larger market share, [...] Read more:Silicon
Limitations of Supercapacitors 2008-04-10 03:30:03 • Linear discharge voltage prevents use of the full energy spectrum.
• Low energy density - typically holds one-fifth to one-tenth the energy of an electrochemical battery.
• Cells have low voltages - serial connections are needed to obtain higher voltages. Voltage balancing is required if more than three capacitors are connected in series.
• High self-discharge - the rate is considerably [...]
Blu-ray the Laptop Battery Muncher… Better Technology Coming Soon? 2008-04-17 03:30:57 Since Sony has been declared the winner in the High Definition format war, there are many companies scrambling to add this awesome new toy to our computers and laptops. Anyone that had the first generation of Blu-ray drives on their laptops knows that if you were going to play a Blu-ray disc you had better [...] Read more:Laptop
, Technology
, Coming Soon
Battery-sized Ultracaps 2008-04-16 06:27:57 The brains over at MIT have been trying to come up with a replacement technology to the good old battery. For the most part batteries really haven’t changed much since Alessandro Volta came up with the basic battery back in 1800. Granted there are many new chemistries, new materials, shapes and sizes. Now what MIT [...]
Increasing Sun Power ~ Improving Solar Power Systems 2008-04-15 00:00:55 Heliotron Energy over in Greece has been working on increasing the rather sad efficiency of Solar
cells. The current efficiency rating is usually hovering around 12-14%. This however isn’t even going to come close to making a dent in our power supply needs.
Heliotron has been working hard and has actually hit a few milestones in [...] Read more:Increasing
, Systems
Water Turbine Gadget Generates Electricity Using the Downward Flow of Water 2008-04-14 00:00:56 Granted this news has been out amongst the web since the end of February, I just now read it. Now I know the title of this sounds like a new joke from Larry the Cable Guy. However it is actually a fairly apt description of a new device that was showed at the Cleantech Forum [...] Read more:Turbine
, Gadget
Sugar Coated Sand Bringing More Talk Time To Your Cellphone Battery 2008-04-18 03:30:41 I know I have been talking quite a bit about nanotubes in the last couple months. The truth of the matter is that we seem to be on the verge of a technological battery revolution. There are many companies researching carbon nanotubes in conjunction with batteries as these wonders have an amazing potential for what [...] Read more:Sugar
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