Chinese researchers develops a cost-effective solid-state battery using a new electrolyte, reducing costs to under 10% of traditional models.
The new design, created by the University of Science and Technology of China , promises to perform at par with competing options for next-generation battery technology at a cost less than 10 percent of the original.
The invention of a novel solid electrolyte that eliminates the necessity for expensive Lithium sulfide has made advancements in battery design possible. According to a national news outlet, this development brings China closer to its goal of leading the race to introduce what many see as the future of rechargeable battery technology.All solid-state batteries promise to solve traditional lithium-ion batteries’ capacity and safety drawbacks, with sulfide solid electrolytes playing a pivotal role in their development. Solid-state batteries can use oxides or sulfides as the cathode to increase energy density. Because of their superior performance, sulfides are usually regarded as the most promising option for the future practical usage of all-solid-state batteries, yet their high cost continues to be a barrier. The cost of sulfide solid electrolytes typically exceeds $195 per kilogram, far above the $50 per kilogram threshold necessary for widespread adoption. According to experts, this cost challenge arises from the elaborate synthesis process of these electrolytes, which heavily relies on costly Li2S. “Although researchers around the world are striving to reduce the cost through various methods, long-term exploration has shown that it is quite difficult to achieve this goal,” Ma Cheng, a researcher at UTSC, told Science and Technology Daily, as reported byThis novel electrolyte is synthesized from two inexpensive compounds, bringing the ingredient cost down to just $14.42 per kilogram, which is less than 8 percent of the cost of raw materials for other sulfide solid electrolytes, according to Remarkably, LPSO retains the key benefits of the best-performing sulfide electrolytes, including compatibility with anodes that ensures performance stability. It pairs well with high-energy-density anodes such as lithium metal and silicon. A battery made with LPSO and lithium metal has demonstrated more than 4,200 hours of stable cycling at room temperature. Despite these promising results, Ma highlighted that further improvements in performance are still anticipated, and the team is actively working towards achieving them.claimed to have created new solid-state battery technology that would enable it to halve the costs, weight, and size of EV batteries. The biggest carmaker in the world claimed that it can create batteries with a 745-mile range and rapid charging times of roughly 10 minutes utilizing its new solid-state battery architecture. The company announced that it will start producing cars featuring its new battery technology in 2027.Jijo is an automotive and business journalist based in India. Armed with a BA in History from St. Stephen's College, Delhi University, and a PG diploma in Journalism from the Indian Institute of Mass Communication, Delhi, he has worked for news agencies, national newspapers, and automotive magazines. In his spare time, he likes to go off-roading, engage in political discourse, travel, and teach languages.
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