Mitigating the P2–O2 phase transition of high-voltage P2-Na2/3[Ni1/3Mn2/3]O2 cathodes by cobalt gradient substitution for high-rate sodium-ion batteries

• DOI: 10.1039/c8ta10980j
• Publication Date: 2019-01-28T03:04:19Z
• Authors: Peiyu Hou; Feng Li; Yangyang Wang; Jiangmei Yin; Xijin Xu
• Keywords: 7. Clean energy; 01 natural sciences; 0104 chemical sciences

A nanoscale cobalt gradient substitution is introduced to suppress the P2–O2 phase transition and improve the Na+ kinetics of high-voltage P2-Na2/3[Ni1/3Mn2/3]O2 cathodes for sodium-ion batteries.