Recently, overseas media reported that the Alise project team announced that it has produced a new-generation lithium-sulfur battery test prototype with an energy density of 325Wh / kg. The project team claims that the energy density of the new generation of lithium-sulfur batteries may reach 500Wh / kg under mass production, and has the advantages of smaller size and lighter weight, and the manufacturing cost will also be lower than the current ternary lithium batteries. .
"A new generation lithium-sulfur battery prototype developed by the Alise project team"
According to foreign media, the Alise project team is funded by the European Union and is a research and development team involving 16 partners from 5 different countries. The project team developed a test prototype of a new generation of lithium-sulfur batteries, the energy density of which reached 325Wh / kg. But this is not the final state of mass production of the battery, the project team said that the energy density of the mass production version of the new generation lithium-sulfur battery will reach 500Wh / kg.
It is understood that when the new generation of lithium-sulfur batteries are mass-produced, it may be manufactured by British company Oxis Energy. The company will establish the first lithium battery production plant in Minas Gerais, Brazil, and the rich local sulfur mine resources have become one of the main reasons for the choice of the site. In addition, Oxis also announced that it will set up an electrolyte and negative electrode active material factory in the Kenfiger Industrial Zone in Talfot Port, Wales, UK.
Christophe Aucher, principal researcher of the Alise project, said that Oxis has produced lithium batteries with an energy density of 425Wh / kg, which is indeed the most advanced lithium battery in the industry. However, the new generation of lithium-sulfur batteries developed by Alise is lighter and smaller than the current lithium batteries produced by Oxis, and the energy density will be higher than the current lithium-sulfur battery prototypes in mass production and have a faster charging speed. .
Aucher also said that the new generation of lithium-sulfur batteries for BEV (pure electric models) and PHEV (plug-in hybrid models) will help them increase their endurance by 2% and 10%, while reducing weight under the same volume 15% smaller. In addition, for the current ternary lithium battery, lithium-sulfur battery may become its replacement product. After all, for the latter, the battery manufacturing process will no longer rely on high-cost key materials such as "cobalt".
According to the project team, Oxis currently plans to start producing a new generation of lithium-sulfur batteries in 2020. If the mass-produced version of the new battery arrives on schedule, it may be the first to be equipped with Lotus' first pure electric supercar EVija. The Seat may also become a "crab eater", and the new battery may be carried on the brand's pure electric model based on the Volkswagen MEB platform.
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