Big Development in Electric Vehicle Battery Pack Market: Researchers Find a Way to Inject Sulphur within Li-ion Batteries, thus, Removing Several Barriers involved Especially Availability of Material
- Analysis
- 22-March-2022
The demand for electric vehicles is growing by leaps and bound in the United States. The situation has underlined the enormous difficulty in securing the battery technology required to make the transition from fossil fuels to renewable energy. Before the EV rush and battery material constraint, developing a commercially viable sulphur battery was the biggest problem of the battery industry. Sulfur's vast natural supply and molecular structure, which allows it to retain more energy, could be a solution for the issues being faced by the EV market.
Researchers have developed a way to inject sulphur into lithium-ion batteries, with impressive results. They hope that the new technique can generate batteries that are superior to those currently used in electric vehicles. Further, the best part about the innovation is that it can be made from readily available materials. The research is a considerable contribution to the Electric Vehicle Battery Pack Market as they can provide a method for avoiding the barriers that have hitherto impeded Li-S battery development. Thus, bringing the long-awaited technology closer to commercialization.
The team's discovery is a new method for producing and stabilizing a rare form of sulphur. The material is essentially used in carbonate electrolytes, the energy-transport liquid within commercial Li-ion batteries. This discovery is likely to make sulphur batteries commercially viable. Moreover, the batteries would also have three times the capacity of Li-ion batteries and be able to withstand more than 4,000 recharges—equivalent to more than ten years of use—a huge improvement.
Ether does not react with polysulfides. This is because the ether electrolyte is highly volatile and contains components with a boiling point as low as 42 degrees Celsius. So, any warming of the battery over room temperature could lead it to fail or melt. So, Li-S batteries with an ether electrolyte instead of a carbonate electrolyte can deliver exceptional performance in laboratory settings.
If the cathode in Li-ion batteries were replaced with a sulphur one, the need for manganese, nickel, and cobalt would be eliminated. These essential minerals are scarce and difficult to obtain without endangering human health and the environment. On the other hand, sulfur is found all over the world, and it is abundant in the United States since it is a waste product of petroleum extraction. This is an exciting discovery that could open the way for the development of more environmentally friendly and cost-effective battery technology.
Having a stable sulphur cathode that works in a carbonate electrolyte will allow researchers to investigate lithium anode alternatives. This may even include more earth-abundant options like sodium.
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