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Positive electrode material of lithium-ion battery and preparation method therefor

專(zhuān)利號(hào)
US11996560B1
公開(kāi)日期
2024-05-28
申請(qǐng)人
Beijing Easpring Material Technology Co., Ltd.（CN Beijing）
發(fā)明人
Junfan Tong; Yanbin Chen; Yuqiang Jin; Wenbo Wang; Xuequan Zhang; Yafei Liu
IPC分類(lèi)
H01M4/00; C01G53/00; H01M4/131; H01M4/505; H01M4/525; H01M10/0525
技術(shù)領(lǐng)域
calcining,electrode,positive,manganese,cobalt,dopant,material,nickel,lithium,in
地域： Beijing

摘要

The present disclosure relates to a positive electrode material for a lithium ion battery and its preparation. The positive electrode material in accordance with the present disclosure has an intrinsic specific surface area of 5-13 m2/g. The positive electrode material in accordance with the present disclosure has an intrinsic specific surface area and an intrinsic pore size within the required ranges. In this regard, the positive electrode material in accordance with the present disclosure has excellent particle strength, excellent Li ion transference ability, and good resistance to electrolyte erosion. When used in lithium batteries, it may impart the batteries with excellent rate performance and cycle performance. The present disclosure also relates to a method for preparing the positive electrode material.

說(shuō)明書(shū)

concentration of ??8 mol/L ??8 mol/L ??8 mol/L ??8 mol/L ??8 mol/L the solution of precipitants complexing ammonia ammonia ammonia ammonia ammonia agents concentration of ?13 mol/L ?13 mol/L ?13 mol/L ?13 mol/L ?13 mol/L the solution of complexing agents ammonia ??6 g/L ??6 g/L ??6 g/L ??6 g/L ??6 g/L concentration temperature 40° C. 40° C. 40° C. 40° C. 40° C. stirring speed 600 rpm 600 rpm 600 rpm 600 rpm 600 rpm pH 11.6 11.6 11.6

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