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SOLID PHASE OF SYNTHESIS OF A MIXTURE OF LITHIUM, NICKEL, COBALT AND Manganese OXIDES TO USE THEM AS A CATHODE MATERIAL FOR LITHIUM-ION BATTERIES
SOLID PHASE OF SYNTHESIS OF A MIXTURE OF LITHIUM, NICKEL, COBALT AND Manganese OXIDES TO USE THEM AS A CATHODE MATERIAL FOR LITHIUM-ION BATTERIES
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机译:固相合成锂,镍,钴和锰氧化物的混合物,将其用作锂离子电池的阴极材料
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摘要
Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide precursors to form a finely-divided slurry containing well-distributed cobalt, manganese, nickel and lithium, and heating the slurry to provide a lithium-transition metal oxide compound containing cobalt, manganese and nickel and having a substantially single-phase O3 crystal structure. Wet milling provides significantly shorter milling times than dry milling and appears to promote formation of single-phase lithium-transition metal oxide compounds. The time savings in the wet milling step more than offsets the time that may be required to dry the slurry during the heating step.
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