LiNi0.5Mn1.5O4-δ (LNMO) as Co-free cathode for lithium ion batteries via solution-gel synthesis: Particle size and morphology investigation

Fulya Ulu Okudur,Satish Kumar Mylavarapu,Mohammadhosein Safari,Dries De Sloovere,Jan D'Haen,Bjorn Joos,Periyasamy Kaliyappan,An-Sofie Kelchtermans,Pieter Samyn,Marlies K. Van Bael,An Hardy

Journal of Alloys and Compounds（2022）

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摘要

•Pre-calcination temperature/time define the organic residues in precursor powder.•Different amounts of organic residues lead to different particle sizes/morphology.•Pre-calcination at 200 °C for 40 h results in 1–4 µm powder of well-defined facets.•Electrochemical performance is improved using these pre-calcination conditions.

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关键词

Energy storage materials,Oxide materials,Chemical synthesis,Sol-gel processes,Crystal structure,Crystal growth

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