首页> 外国专利> AN IMPROVED SINGLE STEP PROCESS FOR THE PREPARATION OF BATTERY GRADE ALPHA NICKEL HYDROXIDE

AN IMPROVED SINGLE STEP PROCESS FOR THE PREPARATION OF BATTERY GRADE ALPHA NICKEL HYDROXIDE

机译:一种改进的制备电池级Alpha Ni氢氧化物的单步法

摘要

The present invention provides an improved process for the preparation of battery grade nickel hydroxide by electrochemical method using ethanol as solvent. The raw material used I the present invention is nickel solution from nickel nitrate and commercially available 99.9% ethanol. In some cases cobalt was added as additives to increase the utilization of nickel hydroxide electrode. The XRD graph obtained with sharper and narrow peak with peaks at 11°, 22°, 33.5°, 60°. This suggests that the samples obtained are highly crystalline (orderliness) in nature with a motif. The nickel hydroxide with α-formed was identified in all the cases. A maximum tapped density of 1.87g/cc was observed and specific discharge capacity per one gram of nickel hydroxide was observed to vary in the range of 200-215 mAh, when discharge rate was 80mA.
机译:本发明提供了一种使用乙醇作为溶剂通过电化学方法制备电池级氢氧化镍的改进方法。本发明中使用的原料是来自硝酸镍的镍溶液和可商购的99.9%乙醇。在某些情况下,添加钴作为添加剂可提高氢氧化镍电极的利用率。获得的XRD图谱具有更锐利和更窄的峰,且峰位于11°,22°,33.5°,60°。这表明所获得的样品在性质上具有图案的高度结晶(有序)。在所有情况下都可以识别出形成的氢氧化镍。当放电速率为80mA时,观察到最大抽头密度为1.87g / cc,每1克氢氧化镍的比放电容量在200-215mAh范围内变化。

著录项

  • 公开/公告号IN265236B

    专利类型

  • 公开/公告日2015-02-20

    原文格式PDF

  • 申请/专利权人

    申请/专利号IN2370/DEL/2007

  • 发明设计人 ANAND SHASHI;TONDEPU SUBBAIAH;ASH BALADEV;

    申请日2007-11-13

  • 分类号C07C17/08;

  • 国家 IN

  • 入库时间 2022-08-21 15:14:21

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