Electrochemical properties of LiNi1-yGayO2 cathode materials synthesized by emulsion method

被引：0

作者：

Lee, Woojin ^{[1
]}

Han, Sang-Jae ^{[2
]}

Kim, Bok-Hee ^{[1
]}

机构：

[1] Samsung Elect Co LTD, Semicond R&D Ctr, Proc Dev Team, Samsungjeonja Ro 1, Hwaseong Si 445330, Gyeonggi Do, South Korea

[2] Chonbuk Natl Univ, Div Adv Mat Engn, Hydrogen & Fuel Cell Res Ctr, Res Inst Adv Mat Dev, 567 Baekje Daero, Jeonju 561756, Chonbuk, South Korea

来源：

JOURNAL OF CERAMIC PROCESSING RESEARCH | 2016年 / 17卷 / 01期

关键词：

Cathode material; LiNi1-yGayO2; Emulsion method; Charge-discharge; BATTERIES; OXIDES; CELLS;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Gallium doped LiNiO2, LiNi1-yGayO2, was synthesized using the emulsion method. The emulsion-derived powder was calcined at a temperature range of 650 to 850 degrees C for 1248 hrs. A single phase of LiNi1-yGayO2 was obtained at 650 degrees C. The optimum condition for the synthesis of LiNi1-yGayO2 was to be calcined at 700 degrees C for 36 hrs in an oxygen stream. The composition of LiNi0.990Ga0.010O2 showed the largest discharge capacity. The initial and final discharge capacities after 20 cycles were 167.3 mAh/g and 156.2 mAh/g, respectively. The fading rate was only 6.6% after 20 cycles of charge-discharge.

引用

页码：46 / 49

页数：4

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