Goldmine Electronics has an interesting deal right now. These supercaps were apparently pulled from large banks used for regenerative braking. So they've got some road dust caked in, use an old toothbrush to clean it up.

Spec wise, F is nothing to sneeze at. Previously, the largest capacitor I have ever seen was 10F.


The desire to own a Boostcap just for the sake of experiencing what so much capacitance looks and feels like is pretty strong. And these supercaps feel beefy! The pictures do not do them justice. They weigh a pound. They are about the size and shape of a 16 oz energy drink can. Designed for sinking hundreds of amps, two Frankenstein-monster-esque bolts stick out of either side for attaching to bus bars. Like all supercaps, the maximum voltage is rather low.

Just 2. One can charge caps past their max. Doing so makes supercaps leak like a sieve and heat up. And take some lifespan-shortening damage. But entire products have been based around overcharging supercaps. Remember those tiny ZipZap remote control cars, briefly popular around five years ago? They used a small 2. But the Boostcap is much larger and would not dissipate heat very well at all.

So don't overcharge it. Now, 2. And capacitors have the bad habit of dropping off voltage very quickly. Some kind of voltage boost regulator is needed. This appears as a load with a constant wattage, or variable resistance dropping proportionately with the supply voltage. At the bottom of the page you'll find source for a simple constant wattage supercap simulator. The particular supercap determines cap and vstart.

For the Boostcap, these are and 2. The limits of the regulator determines vstop and effi. Stopping at 1. My laptop uses 6.

Replacing My Car Battery with Capacitors! 12V BoostPack Update

Crunching the numbers returns an estimated run time of seconds or just over Not very useful. Simulation says 83 minutes. Still kind of short, and 90 minutes is the absolute minimum for most laptop manufacturers. So this is almost feasible. How about 0. That will run for 13 hours, which is useful.Used in myriad electronic circuits as well as hybrid and electric cars, ultracapacitors are also called "supercapacitors.

However, since they have much less energy density than storage batteries, they do not serve as a long-term energy source. Ultra Thin Separation Layer The separation area between the positive and negative electrodes was reduced from millimeters in electrostatic capacitors to microns in electrolytic capacitors to nanometers in ultracapacitors. Thus, the ratio of surface area to separation layer in ultracapacitors is orders of magnitude greater than its predecessors.

See capacitor. The size of a coffee table, the volt hybrid bus module bottom image holds BOOSTCAP ultracaps that are charged when the bus is braked and discharged when it accelerates. Image courtesy of Maxwell Technologies, www.

With pins for circuit board attachment, they are used in multiples for numerous applications such as smoothing out incoming power to telecom equipment and turning a windmill into the wind. Mentioned in? References in periodicals archive? The company's ultracapacitor products provide power solutions for applications in consumer and industrial electronics, transportation, renewable energy and information technology.

The series hybrid power system is composed of a diesel engine, ultracapacitorpermanent magnet generator, motor drive system, and tracks. The parameters are as follows: U represents the effective back-electromotive force EMF ; i denotes the circuit current; [L. Skeleton Technologies ultracapacitors will be used in the hybrid propulsion system.

Maxwell UltraCapacitor 3000f 2.7V

Partnership to develop next generation of giant airships. By using a sufficiently long fixed duty cycle and a large ultracapacitor we should be able to obtain sustainable operation for over a year, the longest period of continuous operation under real conditions reported among [1,11].

A case study on the power-aware protocol framework for wireless sensor networks. However, the pores of activated carbon in an ultracapacitor have a complex branch pore structure for which any impedance analysis model should account. A new model of ultracapacitors based on fractal fundamentals. To create an entire pitch control system, each blade requires its own ultracapacitor.

Why wind turbines need ultracapacitors: how the ultracapacitor is taking wind energy by storm. The Office of Naval Research has given funding to several universities so they can improve the specific energy of these electrochemical ultracapacitor systems. Researchers tackle marines' portable power challenges. The midsized truck with the ultracapacitors and Hydrogenics fuel cell operates a little differently.

Encyclopedia browser? Full browser?Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community. Please make sure that you are posting in the form of a question. Please enter a question. New, from an old stock. The rugged, environmentally resistant design makes the modules ideal for hybrid mining, construction, train and bus applications.

The modules are specifically engineered to provide cost-effective solutions for hybrid bus and construction equipment, but are also widely utilized in UPS, telecommunications and other industrial electronics applications. Skip to main content. Currently unavailable. We don't know when or if this item will be back in stock. Have one to sell? Sell on Amazon. Image Unavailable Image not available for Color:. Maxwell Technologies F 48V Ultracapacitor. PillPack by Amazon Pharmacy.


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Maxwell Technologies reports that it has more than doubled its ultracapacitor production capacity over the past year and is moving forward with its plans to increase output of its Boostcap line of ultracapacitors. To date, Maxwell has pumped out more than 15 million ultracaps, says David Schramm, the firm's president and chief executive officer, adding that "ultracapacitor sales having grown by more than 50 per.

Continental AG has teamed up with Maxwell Technologies to make their booster module more convenient and efficient. Maxwell technologies is supplying their Boostcap ultracapacitors to Continental AG for the new module. Ultracapacitors have an ideal characteristic — power. Let's see? Boostcap, Boostcap, Boostcap. Where have we heard this before? Ah, yes. Back in November we first heard about Maxwell Technologies' volt ultracapacitor and we later learned about the heavy duty version volts for hybrid buses and how the ultracaps.

Maxwell Technologies' latest press release brings us news of ultracapacitors in China. The good news: Maxwel's ultracaps have been certified by the official testing agency of the People's Republic of China for use in energy storage applications in vehicles. The bad news: the Chinese government is not always known for making the best. Maxwell is already pushing out its newly-released Heavy Duty Transportation module HTM volt Boostcap ultracapacitor to industrial and transportation markets including for use in a number of hybrid city buses being rolled out in California.

The HTM has been designed to provide scalable, easy-to-integrate, energy storage and power delivery solutions of up to 1, v. Even though Honda is dropping the ultracapacitor used in the current version of the FCX fuel cell car in the new FCX prototype, ultracapacitors have and will continue to play an important role in hybrid and hydrogen fuel cell vehicle technology.

That's why it's cool news to see that Ma. We get it. Ads can be annoying. But ads are also how we keep the garage doors open and the lights on here at Autoblog - and keep our stories free for you and for everyone.A premium membership for higher-level suppliers. Fast Delivery. MOQ: 20 Pieces. MOQ: 10 Pieces. Relevancy Transaction Level Response Rate. Supplier Types Trade Assurance. Supplier A premium membership for higher-level suppliers.

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Supplier Location. Order : OK. Ready to Ship. BusinessType China ultracapacitor. Contact Supplier. Kamcap 2. OK is dedicated to design, manufacture, sales and marketing of super capacitor and lithium ion battery pack. With advanced machines, OK produces more than kinds of super capacitors.

Maxwell Durablue 16V F super capacitor power bank ultracapacitor A solar power system home. NEW Super capacitor 2. Super Capacitor 2. Graphene Ultracapacitor 2. GTCAP graphene super capacitor battery 2. Super capacitor Low price, high quality 2.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts.

It only takes a minute to sign up. I want to obtain a very intense magnetic field for a project If you are trying to induce a large magnetic field the key is having a large amount of current dumped into the coil in a very short time. Having a large capacitance can actually make this process take much longer and you get a much smaller field out.

The magnetic field from a coil is proportional to the rate of change of the current through the coil. Do a little bit of research on the discharge rates of capacitors and you will see they are dependent on the initial voltage which 2.

The key here is the balancing act between how much current you want and how much current you can use before the coil burns up. As always, be cautious and safe when using capacitors, especially at high voltages, as they can be very dangerous. From the datasheet:. Edit : I am being a bit unfair : if A is a useful current in launching a small, er, mass at high velocity, then the capacitor can launch a number of small masses over a 4 second burst.

But as far as dumping all its energy That's really not much by projectile launching standards. You need to focus more on high-voltagelow-capacitance for higher energy projectiles; not the other way around.

Although this is a new-guy mistake, so I would advise you read a bit more on designs like this, and basic electronics. The long-term limit is overheating, not energy. Remember that and it gets clearer that you can put a hell of a lot of power in quite easily, but controlling it is not as easy. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Ask Question. Asked 4 years, 10 months ago. Active 2 years, 11 months ago.

Viewed 2k times. Dimitri Grigoras Dimitri Grigoras 33 4 4 bronze badges. Active Oldest Votes.The XLR modules can reduce battery size and weight or replace batteries altogether depending upon the load profile. The XLR supercapacitor modules are a self-contained energy storage device comprised of individual XL60 supercapacitor cells. The modules are easily mounted and includes integrated cell voltage management circuitry, an overvoltage alarm and temperature output. XLR Supercapacitor module data sheet.

This tool is designed to calculate and compare the total cost of ownership over the life of the backup power system for two energy storage technologies. Circuit protection, power magnetics and supercapacitor electronic components designed for automotive applications.

Supercapacitors XLR Supercapacitor module. Overview Specifications Resources. How to buy Locate a distributor Contact us. Back to search. Serial Number Verified :. Authenticated: The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product. XLR Supercapacitor module. Contact me about this product. Inventory availability. When something is to be shipped, it needs to be retrieved quickly, inexpensively, and efficiently.

Facilities increasingly are upgrading and building distribution warehouses Read more. Providing grid resiliency with supercapacitors A long standing challenge faced by electrical utilities is balancing the supply, or generation, and the demand, or load, when transmitting and distributing electrical energy across connected and isolated grid systems.

This balance ensures Energy storage total cost of ownership calculator This tool is designed to calculate and compare the total cost of ownership over the life of the backup power system for two energy storage technologies. View interactive tool. Product aid High reliability, long life and maintenance free supercapacitor energy module for harsh environments.

View PDF. Automotive electronic solutions Circuit protection, power magnetics and supercapacitor electronic components designed for automotive applications.

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