Fconegy will attend EES Europ (Intersolar) Exhibition in Germany .

Address: Munich International Exhibition Center

Time: May 15 to 17.

Hall : C1

Booth No.:460i

 

We’ll exhibit products as following:

  • Li-ion battery cell & Battery packs
  • Ni-Mh battery cell & Battery packs
  • Solar energy storage battery packs & box
  • Portable power station/power inverter

We sincerely inviting you to our booth during exhibition ,for further cooperation !

Base on high quality products and wonderful after-sell service, we’ll be one of your trustworthy supplier in China !

car jump starter

Fconegy attend 2018 APPEX exhibition at Las Vegas Sands Expo Center.(AAPEX – Automotive Aftermarket Products Expo)

Time:2018.10.30~2018.11.1

Booth No.: 8612

For more than 25 years, Automotive Aftermarket Products Expo (AAPEX) has been the premier global event representing the $477 billion global aftermarket auto parts industry. Located at the majestic Sands Expo, AAPEX will feature over 2,200 automotive aftermarket manufacturers and suppliers showcasing innovative products, services and technologies to 39,000+ targeted buyers. AAPEX is co-owned by the Auto Care Association and the Automotive Aftermarket Suppliers Association (AASA), the light vehicle aftermarket division of the Motor & Equipment Manufacturers Association (MEMA).

Fconegy attend this exhibition to recommend our product to the world , our aim to provide good quality and high performance products, and to be a trustworthy supplier of car jump starter /portable power station.

It’s worthy to recommend that ,we’re the leader of car jump battery maufacturer in China ,about 80% car jump starter use our batteries in China.

Welcome to contact us if interesting on car jump starter & car jump starter batteries.

 

Being a superhero in real life doesn’t require a costume or superpowers. You can be a hero on the road simply by carrying a jump starter with you that can help re-start a stranded car. Having jump starting gear on hand in the winter time is key because batteries are placed under stress in cold weather and often need a re-start.

Before trying to jump-start your vehicle, it’s smart to have a basic understanding of how a car battery works. In a helpful article, Firestone explains some key points. The battery uses a chemical reaction to create electrical power. Cables deliver this power from the battery to the vehicle’s starter, which requires voltage to start the engine.

When the battery doesn’t have enough power to deliver the voltage needed for the starter, the vehicle won’t start. When your battery is low on power, you can jump-start the battery by giving it the boost of power it needs to allow the car to start.

Car batteries eventually wear out and fail. Most vehicle batteries will last for three to five years, according to NAPA. Extremely hot weather isn’t good for the lifespan of the battery, though, and neither are constant short trips of 20 minutes or less.

Cold weather also creates problems for a car battery, as the cold weather stresses and drains the battery, causing it to struggle to generate the initial burst of power needed to start the vehicle. That’s why a vehicle can be more difficult to start in cold weather.

Types of jump starters

There are a few different types of jump starters you can buy for your car.

  • Jumper cables: With a set of jumper cables, you receive two cables with clamps on either end. Jumper cables give you a quick means of starting a car with a dead battery, according to Popular Mechanics, as long as you have a charged battery available, too. Make sure the jumper cable is 4- or 6-gauge in size and is as long as possible. Check with the user manual for your vehicle for any specific instructions on jump-starting the car safely.
  • Portable jump starter: A portable jump starter delivers a jolt of electricity to the battery of your vehicle as you’re trying to start it, according to JumpStart Expert, giving the drained battery the boost it needs to start the vehicle. Portable jump starters, which store power like a battery, will need to be charged before they can be used. But you don’t need a second vehicle available to use this device to jump-start a car with them.
  • Trickle charger: A trickle charger typically will plug into a wall outlet and deliver power to a battery over a long period of time. This is different than the sudden jolt of power a portable jump starter delivers. With a trickle charger, you’re trying to keep the battery at a high enough charge level that it will be able to start the car when needed. For example, you may keep a battery on a trickle charger overnight when the temperatures are really cold.

Before using any type of jump starter, make sure you know exactly how to use it safely. If you make a major error in setting up the jump starting device or use it incorrectly, you could create a dangerous situation. After all, we are dealing with electricity here. Or you could cause damage to your vehicle. In other words, when jump starting a car, be careful, use common sense, and ask for help when you need it. Now on to our top picks for the best jump starters you can buy.

batery

Lithium-ion batteries are widely used in home electronics and are now being used to power electric vehicles and store energy for the power grid. But their limited number of recharge cycles and tend to degrade in capacity over their lifetime have spurred a great deal of research into improving the technology.

An international team led by researchers from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) used advanced techniques in electron microscopy to show how the ratio of materials that make up a lithium-ion battery electrode affects its structure at the atomic level, and how the surface is very different from the rest of the material. The work was published in the journal Energy & Environmental Science.

Knowing how the internal and surface structure of a battery material changes over a wide range of chemical compositions will aid future studies on cathode transformations and could also lead to the development of new battery materials.

“This finding could change the way we look at phase transformations within the cathode and the resulting loss of capacity in this class of material,” said Alpesh Khushalchand Shukla, a scientist at Berkeley Lab’s Molecular Foundry, and lead author of the study. “Our work shows that it is extremely important to completely characterize a new material in its pristine state, as well as after cycling, in order to avoid misinterpretations.”

Previous work by researchers at the Molecular Foundry, a research center specializing in nanoscale science, revealed the structure of cathode materials containing “excess” lithium, resolving a longstanding debate.

Using a suite of electron microscopes both at the National Center for Electron Microscopy (NCEM), a Molecular Foundry facility, and at SuperSTEM, the National Research Facility for Advanced Electron Microscopy in Daresbury, U.K., the research team found that while the atoms throughout the interior of the cathode material remained in the same structural pattern across all compositions, decreasing the amount of lithium caused an increase in randomness in the position of certain atoms within the structure.

By comparing different compositions of the cathode material to battery performance, the researchers also demonstrated it was possible to optimize battery performance in relation to capacity by using a lower ratio of lithium to other metals.

The most surprising finding was that the surface structure of an unused cathode is very different from the interior of the cathode. A thin layer of material on the surface possessing a different structure, called the “spinel” phase, was found in all of their experiments. Several previous studies had overlooked that this layer might be present on both new and used cathodes.

By systematically varying the ratio of lithium to a transition metal, like trying different amounts of ingredients in a new cookie recipe, the research team was able to study the relationship between the surface and interior structure and to measure the electrochemical performance of the material. The team took images of each batch of the cathode materials from multiple angles and created complete, 3-D renderings of each structure.

“Obtaining such precise, atomic-level information over length scales relevant to battery technologies was a challenge,” said Quentin Ramasse, Director of the SuperSTEM Laboratory. “This is a perfect example of why the multiple imaging and spectroscopy techniques available in electron microscopy make it such an indispensable and versatile tool in renewable energy research.”

The researchers also used a newly developed technique called 4-D scanning transmission electron microscopy (4-D STEM). In transmission electron microscopy (TEM), images are formed after electrons pass through a thin sample. In conventional scanning transmission electrode microscopy (STEM), the electron beam is focused down to a very small spot (as small as 0.5 nanometers, or billionths of a meter, in diameter) and then that spot is scanned back and forth over the sample like a mower on a lawn.

The detector in conventional STEM simply counts how many electrons are scattered (or not scattered) in each pixel. However, in 4D-STEM, the researchers use a high-speed electron detector to record where each electron scatters, from each scanned point. It allows researchers to measure the local structure of their sample at high resolution over a large field of view.

“The introduction of high-speed electron cameras allows us to extract atomic-scale information from very large sample dimensions,” said Colin Ophus, a research scientist at NCEM. “4D-STEM experiments mean we no longer need to make a tradeoff between the smallest features we can resolve and the field-of-view that we are observing – we can analyze the atomic structure of the entire particle at once.”

Berkeley Lab’s Molecular Foundry is a DOE Office of Science User.

This work was supported by the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy, Office of Basic Science, and Small Business Voucher Pilot Program; Envia Systems; and the U.K.’s Engineering and Physical Science Research Council.