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泡沫镍电极负载催化剂电极制备
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电化学小白,要按文献做一下泡沫镍电极,有以下几个问题求助。1、泡沫镍买回来使用前是否要预处理,具体怎么预处理?2、文献中要450℃热处理30min,形成钝化层是什么原因?

以下是文献原文:
Ni–foam. NiZnFe4Ox was deposited on Ni–foam by direct magnetic interaction between the materials. First, Ni–foam was treated with thermal annealing at 450 °C for 30 min to generate a passivated layer on the surface. Then, 100 mg of the ferrite was sonicated for 20 min in 20 ml of Milli-Q water until a homogeneous suspension was obtained. Then, the previously treated Ni–foam was dipped in the suspension and sonicated in an ultrasonic bath for different depositions times of 15, 30 or 60 min. The final coated Ni–foam electrode was air dried.

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2021-05-10 16:19   回复  
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