氮掺杂碳纤维负载镍钴硒化物的制备及其电催化析氢性能

被引：4

作者：

于静

张婷

刘琦

刘婧媛

王君

机构：

[1] 哈尔滨工程大学材料科学与化学工程学院

来源：

无机化学学报 | 2022年 / 38卷 / 01期

基金：

黑龙江省自然科学基金;

关键词：

电催化; 静电纺丝; 碳纤维; 双金属效应; 析氢反应;

D O I：

暂无

中图分类号：

TQ116.2 [氢气]; TQ426 [催化剂（触媒）];

学科分类号：

080502 ; 081705 ;

摘要：

以静电纺丝制备的纤维为前驱体,通过煅烧、硒化处理等工艺合成了负载双金属硒化物纳米粒子的氮掺杂碳纤维（NCF）材料(（Ni,Co）Se2/NCF),并对其进行了一系列相关的表征,研究了其在酸性和碱性条件下的析氢性能。（Ni,Co）Se2纳米粒子被锚定于NCF中,有效地阻止了纳米粒子的聚集,提供了更多的催化活性位点。电催化析氢性能测试的结果表明:在1 mol·L-1KOH溶液中,（Ni,Co）Se2/NCF在10 m A·cm-2电流密度下所需的过电位为102.3 m V,塔菲尔斜率为144.0 m V·dec-1。在0.5 mol·L-1H2SO4溶液中,（Ni,Co）Se2/NCF达到10 m A·cm-2电流密度所需的析氢过电位为95.5 m V,塔菲尔斜率为115.2 m V·dec-1,表现出优异的电催化析氢性能。

引用

页码：63 / 72

页数：10

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