New process cuts lithium-ion battery costs in half

Researchers at the Massachusetts Institute of Technology in collaboration with a spin-off company called 24M have recently developed an advanced process for manufacturing lithium-ion batteries that not only promises to significantly reduce production costs but also improve battery performance, making it easier to recycle.

Existing lithium-ion battery manufacturing methods were invented 20 years ago, and the efficiency is low and the process is cumbersome. Jiang Yeming, a professor of ceramics technology at MIT, a co-founder of 24M, and one of the former founders of A123 Battery Co., and colleagues proposed the concept of "flow battery" five years ago, with the suspension of fine particles. The liquid acts as an electrode and is circulated in the battery by means of pumping. However, the analysis shows that the flow battery system is suitable for low energy density batteries, which means increased costs for high energy density devices such as lithium-ion batteries.

To this end, Jiang Yeming's team improved the design, the new version is called "semi-solid battery": the electrode material does not flow, it is a semi-solid colloidal suspension. According to the physicist's report, unlike the standard process, it is necessary to add a liquid coating on the substrate material, and then wait for the material to dry before starting the next process. The new method allows the electrode material to remain in a liquid state without drying at all. The system reduces the number of layers in traditional battery structures and the amount of non-functional materials by 80% by using fewer but thicker electrodes.

Jiang Yeming said that the new process greatly simplifies the manufacturing process and the production cost can be reduced by half. The battery is flexible and more durable. It is not only bendable, foldable, but it is not damaged even if it is penetrated by bullets. This method can also scale up production, and he estimates that by 2020, the cost per kilowatt-hour capacity will fall below $100.

Currently, 24M has already manufactured about 10,000 such batteries on the prototype production line, most of which are being tested by three industrial partners, including an oil company in Thailand and Japanese heavy equipment manufacturer IHI Co., Ltd. The new process has obtained 8 patents, and another 75 patents are under review. (Reporter Chen Dan)

13000 Lbs ElectricWinch

an electric winch 4x4 is a tool commonly used in vehicle recovery. It`s typically bolted to the front of a vehicle (usually a 4WD or truck) and is used when the vehicle gets stranded and needs help getting pulled out from wherever it`s ended up stuck.

13000LBS Line Speed And Amp Draw (First Layer)

Typical Applications: off-road vehicles, agricultural vehicles, ATV all-terrain vehicles, yachts, fire rescue vehicles, road barrier vehicles and other special vehicles, special vehicles.

Usages:

Plug the winch remote control into the winch. Your winch should have come with a remote control attached to a long cord. Look for the plug at the end of the cord and attach it to the corresponding receptacle on the outside of the winch. Run the remote control cord from the winch to the driver`s seat and place the remote control in your vehicle

Put on a pair of thick gloves. Never handle a winch cable without gloves on. The cable could cut your hands.

Find something in front of your car to anchor your winch to. A large tree trunk, boulder, or other vehicle is ideal. Don`t anchor your winch to something small and weak or you risk breaking it. Try to find an anchor that`s straight in front of your vehicle.

Use the disengage lever to release the winch cable. The disengage lever should be located on the outside of the winch. The lever should have an option that says [free spool" or [disengaged." Turn the lever to that option. This will release the cable so you`re able to manually pull it out from the winch.

Pull the winch cable all the way to the anchor. Don't pull too much of the cable out or you'll create unnecessary slack. Set the end of the cable down next to the anchor.

If the winch cable doesn't reach the anchor, look for another anchor that's closer to your vehicle.

Wrap a tree trunk protector around the bottom of the anchor. A tree trunk protector is a thick nylon strap with two loops, one on each end. Wrap the protector around the anchor so the two end loops are facing you. Hold the two end loops in your hand.

If your winch didn`t come with a tree trunk protector, you can order one online or find one at your local hardware store.

Hook a D-shackle through the 2 loops on the protector. A D-shackle is a curved shackle with a large pin that screws in and out of the shackle. Remove the pin from the D-shackle and put the curved part of the D-shackle through both of the loops on the tree trunk protector. Once the loops are on the shackle, reinsert the pin and twist it to tighten it into place.

Hook the winch hook to the D-shackle with the tip facing up. The winch hook is the hook at the end of the winch cable

Turn the disengage lever back to [engaged." You want the lever to be back in the position it started in before you released the winch cable. This will prevent more cable from coming out of the winch.

Use the winch remote to slowly pull the winch cable taut. Press the button on the remote control to start pulling the winch cable back into the winch. This will cause the winch cable to tighten. Stop pressing the button when the cable is taut

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