The global market is shifting to electric vehicles (EVs), but the extraction of battery materials is costly and will have a serious impact on the environment.
According to foreign media reports, two studies led by researchers at McGill University in Canada are expected to make cheaper and more environmentally friendly lithium-ion batteries for electric vehicles.
The research results provide the possibility of using more sustainable and lower-cost metals to produce batteries, namely disordered rock salt type (DRX) cathode materials.
Photo source: McGill University, In the first study, engineering researchers including the first author (Richie Fong, a doctoral student in the Department of Materials Engineering) focused on the cathode.
The cathode is the most expensive component in batteries to manufacture and has traditionally been made of unsustainable metals such as cobalt and nickel.
Iron may be the cheapest alternative, but so far existing iron-based cathodes lack enough storage capacity to power long-range electric vehicles.
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