Synthesis of High-Density Nickel Cobalt Aluminum Hydroxide by Continuous Coprecipitation Method

被引：83

作者：

Kim, Yongseon ^{[1
,2
]}

Kim, Doyu ^{[1
]}

机构：

[1] SAMSUNG SDI CO LTD, Yongin 446577, Gyeonggi Do, South Korea

[2] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea

来源：

ACS APPLIED MATERIALS & INTERFACES | 2012年 / 4卷 / 02期

关键词：

coprecipitation; hydroxide; doping; cathode; lithium ion battery; LITHIUM-ION BATTERIES; ELECTRODE MATERIALS; THERMAL-STABILITY; OXIDES; BEHAVIOR; CATHODE; PERFORMANCE; SYSTEMS; PHASES; CELLS;

D O I：

10.1021/am201585z

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Spherical-nickel cobalt aluminum hydroxide (Ni0.80Co0.15Al0.05-hydroxide, NCA) was prepared by a continuous coprecipitation method. A new design of the Al solution and the feeding method was applied, which enabled to prevent rapid precipitation of Al(OH)(3) and to obtain spherical NCA with large enough particle size and high density. The active material (LiNi0.80Co0.15Al0.05O2 or LNCA) prepared from it showed higher tap-density than that made from NCA prepared by general processes, and homogeneity of Al-distribution was also improved. It is expected that the electrode density of lithium ion batteries adopting LNCA could be unproved with the new process proposed in this study.

引用

页码：586 / 589

页数：4

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