A high-voltage lithium-ion battery cathode material includes LiNi0.5-xMn1.5MxO4 (0≦x≦0.2, M═Mg, Zn, Co. Cu, Fe, Ti, Zr, Ru, and Cr), which is coated with a coating material, which may be a carbon coating material, a metal phosphate coating material, or a combination thereof. The carbon coating material may be acetylene black, graphene oxide, conductive graphite, glucose, sucrose, starch, lactose, maltose, phenolic resins, polyvinyl alcohol, or a combination thereof, and the metal phosphate coating material may be FePO4, LiFePO4, CoPO4, Mn3(PO4)2, LnPO4. The coating material may account for 1 to 10% (wt %). Products of the present invention have high reversible capacities. Synthesis methods are disclosed that are simple and controllable, can produce uniform coating, and are suitable for industrial scale production.
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机译：高压锂离子电池正极材料包括LiNi 0.5-x Mn 1.5 M x O 4 （ （0≤x≤0.2，M═Mg，Zn，Co，Cu，Fe，Ti，Zr，Ru和Cr）涂覆有涂层材料，该涂层材料可以是碳涂层材料，金属磷酸盐涂层材料，或其组合。碳涂层材料可以是乙炔黑，氧化石墨烯，导电石墨，葡萄糖，蔗糖，淀粉，乳糖，麦芽糖，酚醛树脂，聚乙烯醇或它们的组合，并且金属磷酸盐涂层材料可以是FePO 4。 / Sub>，LiFePO 4 ，CoPO 4 ，Mn 3 （PO 4 ） 2 ，LnPO 4 。涂料可占1至10％（重量％）。本发明的产品具有高可逆容量。公开了简单且可控制的合成方法，其可以产生均匀的涂层，并且适合于工业规模生产。
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