Cathode active material for lithium electrochemical cells
   
   

The invention disclosed relates to a compound of molecular formula Li.sub.x Cr.sub.y Mn.sub.2-y O.sub.4+z, wherein 2.2 A invenção divulgada relaciona-se a um composto da fórmula molecular Li.sub.x Cr.sub.y Mn.sub.2-y O.sub.4+z, wherein 2.2
 
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