Traditionally, and bearing in mind that only Li-ion batteries are considered, the positive electrode must act as source of lithium ions, requiring the used of air-stable Li-based intercalation compounds . These are used because the lithium can reversibly de-intercalate at high potential differences. The first commercial Li-ion batteries, introduced in 1990 by the Sony Corporation, used LiCoO2...
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These are used because the lithium can reversibly de-intercalate at high potential differences. The first commercial Li-ion batteries, introduced in 1990 by the Sony Corporation, used LiCoO2. In fact, this compound is still used in more than 90% of lithium-ion batteries . Since then a lot of research has been done to circumvent the safety and capacity issues...
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