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Positive Electrode Active Material Comprising Lithium Nickle-Based Oxide Doped With Doping Element, and Secondary Battery Comprising the Same
Positive Electrode Active Material Comprising Lithium Nickle-Based Oxide Doped With Doping Element, and Secondary Battery Comprising the Same
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机译:包含掺杂有掺杂元素的锂镍基氧化物的正极活性材料,以及包含该正极活性材料的二次电池
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摘要
The present disclosure provides a positive electrode active material for a secondary battery, comprising: a lithium nickel-based oxide doped with a doping element (M′),wherein the doping element (M′) is at least one selected from the group consisting of titanium (Ti) and magnesium (Mg),wherein when the doping element (M′) is Ti, the doping content of Ti is 3000 ppm to 5000 ppm based on the total amount of the lithium nickel-based oxide excluding the doping element,wherein when the doping element (M′) is Mg, the doping content of Mg is 500 ppm to 5000 ppm based on the total amount of the lithium nickel-based oxide excluding the doping element, andwherein when the doping element (M′) is Ti and Mg, the total doping content of Ti and Mg is 3500 ppm to 5000 ppm based on the total amount of the lithium nickel oxide excluding the doping elements.
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