阴极
锂(药物)
钴
锰
材料科学
电池(电)
混合(物理)
氧化物
氧化钴
镍
盐(化学)
碱性电池
无机化学
化学工程
矿物学
冶金
化学
物理化学
功率(物理)
内分泌学
工程类
物理
医学
量子力学
作者
Mohammad Tahmasebi,Lituo Zheng,Timothy Hatchard,Mark N. Obrovac
出处
期刊:Journal of The Electrochemical Society
[The Electrochemical Society]
日期:2023-03-07
卷期号:170 (3): 030531-030531
标识
DOI:10.1149/1945-7111/acc212
摘要
Layered lithium nickel manganese cobalt oxide or NMC type cathode materials dominate the lithium-ion battery market. However, the production of their precursor involves the use of large amounts of water and can create waste. All-dry synthesis methods are attractive as they are potentially cheaper and greener. However, it remains a challenge to achieve atomic scale mixing of the precursor elements by dry methods. Here, we report an alternative route to achieve atomic scale mixing by employing thermal interdiffusion to produce a phase pure rock salt structure precursor for NMC cathode materials, which can significantly shorten the preparation time and may further reduce cost. The complications and applicability of using a thermally synthesized precursor to make layered cathode material are presented in detail.
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