{"id":51615,"date":"2024-10-03T09:03:22","date_gmt":"2024-10-03T08:03:22","guid":{"rendered":"https:\/\/www.innovationnewsnetwork.com\/?p=51615"},"modified":"2024-10-03T09:03:22","modified_gmt":"2024-10-03T08:03:22","slug":"mcgill-breakthrough-brings-all-solid-state-lithium-batteries-for-evs-closer-to-reality","status":"publish","type":"post","link":"https:\/\/www.innovationnewsnetwork.com\/mcgill-breakthrough-brings-all-solid-state-lithium-batteries-for-evs-closer-to-reality\/51615\/","title":{"rendered":"McGill breakthrough brings all-solid-state lithium batteries for EVs closer to reality"},"content":{"rendered":"
By solving a critical issue that has hindered the performance of all-solid-state lithium batteries, this innovation could help create safer, longer-lasting EVs, paving the way for a greener future.<\/p>\n
The core problem researchers face with all-solid-state lithium batteries is the resistance that forms at the interface where the ceramic electrolyte meets the electrodes.<\/p>\n
This resistance reduces battery efficiency and limits the amount of energy the battery can deliver, ultimately diminishing performance. The team at McGill has addressed this issue with a creative new approach.<\/p>\n
Led by Professor George Demopoulos from the Department of Materials Engineering, the research group discovered that using a porous ceramic membrane filled with a small amount of polymer could allow lithium ions to move more freely within the battery.<\/a><\/p>\n This eliminates the interfacial resistance between the solid electrolyte and the electrodes, significantly boosting battery performance.<\/p>\n “By using a polymer-filled porous membrane, we can allow lithium ions to move freely and eliminate the interfacial resistance between the solid electrolyte and the electrodes,” said Professor Demopoulos.<\/p>\n “This not only improves the battery’s performance but also creates a stable interface for high-voltage operation, which is one of the industry’s key goals.”<\/p>\n Electric vehicles are central to reducing global carbon emissions, and the evolution of EV batteries is a crucial part of making widespread EV adoption a reality.<\/p>\n The current standard, lithium-ion batteries, relies on liquid electrolytes, which pose a safety risk due to their flammability.<\/a><\/p>\n Additionally, these batteries degrade over time, leading to reduced range and performance. As the demand for EVs continues to grow, so does the need for safer, more reliable battery technology.<\/p>\n All-solid-state lithium batteries, which replace the liquid components of traditional batteries with solid materials, offer a promising solution.<\/p>\n Not only do they have the potential to significantly increase the energy density of batteries, allowing EVs to travel farther on a single charge, but they also improve safety by reducing the risk of overheating and fire.<\/p>\n McGill’s latest innovation is a crucial step toward overcoming one of the key technical barriers to commercialising all-solid-state lithium batteries.<\/p>\n By ensuring stable, high-voltage operation and enhancing battery efficiency, this technology can lead to EVs that are not only safer but also capable of delivering greater performance for longer periods of time.<\/p>\n The impact of this breakthrough extends far beyond just improving the range and lifespan of electric vehicles.<\/p>\n As all-solid-state lithium batteries become a viable option, they could accelerate the global shift toward electric mobility<\/a>, helping to lower greenhouse gas emissions and reduce dependency on fossil fuels.<\/p>\nThe importance of EV battery safety and performance<\/h3>\n
A game-changer for the future of EVs<\/h3>\n