Synthesis of spherical LiNi0.8Co0.15Al0.05O2 cathode materials for lithium-ion batteries by a co-oxidation-controlled crystallization method

Spherical LiNi0.8Co0.15Al0.05O2 OOH precursor prepared by a co-oxidation-controlled crystallization method, was used to synthesize LiNi0.5Co0.15Al0.05O2. The obtained LiNi0.8Co0.15Al0.05O2 materials showed excellent electrochemical performance, with an initial discharge capacity of 193.5 mAh/g and c...

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Veröffentlicht in:Chinese chemical letters 2011-09, Vol.22 (9), p.1099-1102
Hauptverfasser: Liu, Wan Min, Hu, Guo Rong, Peng, Zhong Dong, Du, Ke, Cao, Yan Bing, Liu, Qiang
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Sprache:eng
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Zusammenfassung:Spherical LiNi0.8Co0.15Al0.05O2 OOH precursor prepared by a co-oxidation-controlled crystallization method, was used to synthesize LiNi0.5Co0.15Al0.05O2. The obtained LiNi0.8Co0.15Al0.05O2 materials showed excellent electrochemical performance, with an initial discharge capacity of 193.5 mAh/g and capacity retention of 95.1% after 50 cycles when cycled at 0.2 C rate between 2.8 and 4.3 V.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2011.01.041