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首页> 外文期刊>Journal of power sources >Synthesis of NiO nanotubes for use as negative electrodes in lithium ion batteries
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Synthesis of NiO nanotubes for use as negative electrodes in lithium ion batteries

机译：锂离子电池负极用NiO纳米管的合成

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摘要

Nickel oxide (NiO) nanotubes have been produced for the first time via a template processing method. The synthesis involved a two step chemical reaction in which nickel hydroxide (Ni(OH)_2) nanotubes were firstly formed within the walls of an anodic aluminium oxide (AAO) template. The template was then dissolved away using concentrated NaOH, and the freed nanotubes were converted to NiO by heat treatment in air at 350 deg C. Individual nanotubes measured 60 mu m in length with a 200 nm outer diameter and a wall thickness of 20-30 nm. The NiO nanotube powder was used in Li-ion cells for assessment of the lithium storage ability. Preliminary testing indicates that the cells demonstrate controlled and sustainable lithium diffusion after the formation of an SEI. Reversible capacities in the 300mAh g~(-1) range were typical.
机译：氧化镍（NiO）纳米管是通过模板处理方法首次生产的。该合成涉及两步化学反应，其中首先在阳极氧化铝（AAO）模板的壁内形成氢氧化镍（Ni（OH）_2）纳米管。然后使用浓NaOH将模板溶解掉，并将游离的纳米管通过在350摄氏度的空气中进行热处理而转化为NiO。单个纳米管的长度为60μm，外径为200 nm，壁厚为20-30纳米将NiO纳米管粉末用于锂离子电池中以评估锂的储存能力。初步测试表明，在SEI形成后，这些电池表现出受控且可持续的锂扩散。典型的可逆容量为300mAh g〜（-1）。

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