周明辉



摘 要:为了量化分析Fe2P/NPC催化剂的电解水制氢性能,分析了制备原理,对水溶液中催化剂进行氧化反应,建立了Fe2P/NPC催化剂在不对称羰基烯条件下的光谱和热力学分析,采用光谱特征分析的方法,进行离子间耦合反应,在丙基化催化作用条件下,构建Fe2P/NPC催化剂制备的化学降解模型,结合基化反应特性,测试Fe2P/NPC催化剂的成核速率和制备速率,根据电阻性能和伏安特性曲线分析,进行电解水制氢性能分析。测试得知,设计的Fe2P/NPC催化剂制备方法具有很好的萃取能力,几种催化剂的加氢活性较好,电解水制氢性能较强,具有很好的化工应用价值。
关 键 词:Fe2P/NPC;催化剂;电解水;制氢性能
中图分类号:O661 文献标识码: A 文章编号: 1671-0460(2020)06-1095-04
Study on Preparation of Fe2P/NPC Catalyst and Its Catalytic Activity for Hydrogen Production by Water Electrolysis
ZHOU Ming-hui
(Hebei Petrochemical Construction Engineering Quality Supervision Station, Shijiazhuang Hebei 050000, China)
Abstract: In order to quantitatively analyze the hydrogen production performance of Fe2P/NPC catalyst through water electrolysis, the preparation principle of Fe2P/NPC catalyst was analyzed, the oxidation reaction of Fe2P/NPC catalyst in aqueous solution was carried out, and the spectral and thermodynamic analysis of Fe2P/NPC catalyst under asymmetric carbonylene condition was established. The interion coupling reaction of Fe2P/NPC catalyst was carried out by means of spectral characteristic analysis. The chemical degradation model of Fe2P/NPC catalyst was constructed. Combined with the reaction characteristics of Fe2P/NPC catalyst, the nucleation rate and preparation rate of Fe2P/NPC catalyst were measured. According to the analysis of resistance performance and volt-ampere characteristic curve of Fe2P/NPC catalyst, the hydrogen production performance of Fe2P/NPC catalyst through water electrolysis was analyzed. The results showed that the designed preparation method of Fe2P/NPC catalyst had good extraction ability, the hydrogenation activity of several catalysts was good, the hydrogen production performance through water electrolysis was strong, so it has good chemical application value.
Key words: Fe2P/NPC; Catalyst; Water electrolysis; Hydrogen production performance
氢能作为最理想的绿色能源之一,具有无污染、储备丰富、制备获取过程简单的优点,目前较为常用的制氢手段是利用電解水的方法。在电解水的反应过程中,进行化学反应的阳极进行析氧催化,其中涉及了4个电子的移动,但出现析氧过电位过高,或析氧动力反应较差,则会在一定程度上降低电解水制氢的效率,且会限制催化剂的使用。因此,制备一种新型、绿色催化剂是提升水解制氢规模及效率的关键。近年来,学者们已研究了金属类的催化剂,如Mn基、Ni基等催化剂,这些催化剂原料具有活性高、成本低等优点备受研究瞩目,但其在导电过程中存在稳定性差的因素,无法被广泛应用至制氢的领域中[1]。为提升制氢性能,提升催化剂稳定性,本文将以Fe2P/NPC作为水解催化剂。……