Advanced Batteries Promising a Better Future for the Transportation...

Advanced Batteries Promising a Better Future for the Transportation Industry

By Energy CIO Insights | Monday, April 15, 2019

Batteries are an imperishable product for any recycler. Not only is the material hazardous but it is very expensive, difficult, and time-consuming to break apart and dissolve. The value of batteries continues to dip as cheaper batteries is manufactured with less complex components hit the market at regular intervals. However, there is recent research being conducted on a new lithium-sulfur battery which will revolutionize a lot of industries. The aim is to develop high energy and safe lithium-sulfur (Li-S) battery technology cells for automotive integration with hybrid solid state non-flammable electrolytes. A production cost target has also been set, as it is the main battery selection criteria in electrified vehicles.

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The main issue with a battery would involve the weight that comes with the electrodes, so involving other variables and performance boosters to eliminate the mentioned and more by completely removing binders and current cathode collectors which represent 30-50 percent of the electrode weight can help so, and the process takes only seconds to create a cathode of sulfur when the current standard can take almost half a day. Li-S batteries with nanofiber electrodes have shown a vast variety of advantages over the current battery and its components. They have a larger surface area than current electrodes, which means that during charging they can accommodate expansion, which can boost the battery's storage capacity. The electrodes can eliminate flammable components from devices by filling them with an electrolyte gel to minimize their susceptibility to leaks, fires, and explosions. Kalra's laboratory developed a rapid sulfur deposition technique which only takes five seconds to get the sulfur into its substratum. In a slightly pressurized, 140-degree Celsius environment, the procedure melts sulfur into the nanofiber mats eliminating the need for time-consuming processing that uses a mixture of toxic chemicals, while improving the ability of the cathode to hold a charge after long use periods. Research shows that these electrodes have a sustained efficient capacity four times higher than the existing Li-ion batteries.

Many companies have invested in developing Li-S batteries in hopes of making mobile devices last longer between charges, increasing the range of electric cars, and even helping the wind and solar power grid.

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