A novel method of preparing a spinel Li.sub.1+X Mn.sub.2-X O.sub.4 intercalation compound with low lattice distortion and a highly ordered and homogeneous structure for 4 V secondary lithium and lithium ion cells is provided. The method of preparing the spinel Li.sub.1+X Mn.sub.2-X O.sub.4 intercalation...http://www.google.fr/patents/US5792442?utm_source=gb-gplus-shareBrevet US5792442 - Highly homogeneous spinel Li.sub.1+X Mn.sub.2-X O.sub.4 intercalation compounds and method for preparing same
