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An enhanced electrochemical performance LiCoO 2 cathode was synthesized by coating with various wt.% of La 2 O 3 to the LiCoO 2 particle surfaces by a polymeric method, followed by calcination at 923K for 4h in air. The surface-coated materials were characterized by XRD, TGA, SEM, TEM, BET and XPS/ESCA techniques. XRD patterns of La 2 O 3 -coated LiCoO...
The surface of LiNi 0.8 Co 0.2 O 2 cathode particles was coated with various wt.% of La 2 O 3 through a polymeric process, followed by calcination at 973 K for 5 h in air. The coated layer prevents the surface of the cathode materials from direct contact with the electrolyte and has demonstrated sustainable extended cycle stability. XRD patterns of the coated...
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