The core shell precursor is mixed with a lithium salt, and then calcined at {TAIL ~ high temperatures}, thus synthesizing a cathode active material for lithium secondary batteries, which has {HEAD ~ excellent thermal stability} and cycle life characteristics 
The core shell precursor is mixed with a lithium salt , and then calcined at { TAIL ~ high temperatures } , thus synthesizing a cathode active material for lithium secondary batteries , which has { HEAD ~ excellent thermal stability } and cycle life characteristics
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