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    题名 作者 年代 出处 被引量
1Nickel cobalt phosphide with three-dimensional nanostructure as al highly efficient electrocatalyst for hydrogen evolution reaction in both I acidic and alkaline electrolytes显示文摘Transition metal phosphides (TMPs) are promising candidates for noble metal free electrocatalysts in water splitting applicati ons. In this work, we prese nt the facile syn thesis of nickel cobalt phosphide electrocatalyst with three-dime nsional nano structure (3D-NiCoP) on the nickel foam, via hydrothermal reaction and phosphorization. The as-prepared electrocatalyst exhibits an excellent activity for hydrogen evolution reaction (HER) in both acidic and alkaline electrolytes, with small overpotentials to drive 10 mA/cm^2 (80 mV for 0.5 M H2SO4, 105 mV for 1 M KOH), small Tafel slopes (37 mV/dec for 0.5 M H2SO4, 79 mV/dec for 1 M KOH), and satisfying durability in long-term electrolysis. 3D-NiCoP also shows a superior HER activity compared to single metal phosphide, such as cobalt phosphide and nickel phosphide. The outstanding performa nee for HER suggests the great pote ntial of 3D-NiCoP as a highly efficient electrocatalyst for water splitting technology.Bo Ma Zhengchun Yang Yantao Chen Zhihao Yuan 2019Nano Research2019,12,2:14
2Enhanced electrocatalytic activity of Co@N-doped carbon nanotubes by ultrasmall defect-rich TiO2 nanoparticles for hydrogen evolution reaction显示文摘尽管有是技术上可能的,切开水产生氢实际上是难实施的,主要因为为氢进化反应的持续、有效的地球丰富的催化剂的缺乏(她的) 。此处,我们报导一持久、高度活跃电气化学她基于充满缺点的 TiO 2 , nanoparticles 在公司做 nanoparticles@N 的碳 nanotubes 上装载了的催化剂(D-TiO 2/Co@NCT) 由静电的旋转和一个随后的锻烧过程综合了。ultrasmall TiO 2 nanoparticles 是在尺寸的 1.5 -2 nm 并且有氧空缺的充满缺点的结构。D-TiO 2/Co@NCT 展览优秀她在酸的电解质的催化活动(0.5 M H 2 那么有 57.5 mV 的一个低发作潜力的 4),( 是的 1 个 mAimmense 潜力由于他们的像三明治的分层的结构的 lithium/ 钠离子电极材料。优化他们的 lithium/sodium-storage 表演,二个问题应该被处理:根本上理解发生在 TMD 电极和发展中的新奇 TMD 的化学反应。在这研究, WSe 2 六角形的 nanoplates 是 sy?Jiayuan Yu Weijia Zhou Tanli Xiong Aili Wang Shaowei Chen Benli Chu 2017Nano Research2017,10,8:7
3电催化分解硫化氢制氢脱硫研究进展显示文摘随着油气藏开采从常规油气藏逐渐转向高含硫酸性油气藏,高含硫油气藏中的硫化氢(H_(2)S)资源化利用便受到研究者的广泛关注。电催化分解H_(2)S制氢脱硫是实现H_(2)S清洁高值利用的途径之一,然而,电催化过程中的阳极钝化问题限制了其工业化发展。本文对电催化分解H_(2)S的方法特点、反应机理和研究进展进行了概述和总结。光伏驱动电催化间接分解H_(2)S制氢脱硫技术的经济效应评价表明间接法具有一定的可行性。最后对电催化H_(2)S资源化利用未来的发展进行了展望。段超 唐春 吴梦南 于姗 余堂杰 郭恒 李金金 周莹 2021天然气化工—C1化学与化工2021,46,S01:5
4A highly efficient Fe-doped Ni_(3)S_(2) electrocatalyst for overall water splitting显示文摘The development of efficient and stable electrocatalysts with earth-abundant elements for both oxygen evolution reaction(OER)and hydrogen evolution reaction(HER)in the same electrolyte is incontrovertibly vital in water electrolysis.However,their large-scale fabrication remains a great challenge.Here,we report a self-supported electrocatalyst in the form of Fe-doped Ni_(3)S_(2) nanoparticles in-situ grown on three-dimensional(3D)conductive Fe−Ni alloy foam(Fe−Ni_(3)S_(2)/AF)by surface-assisted chemical vapor transport(SACVT)method.Homogeneous growth environment and scalability of SACVT method allow Fe−Ni3S2 nanoparticles uniformly growing on AF in large-scale.Fe−Ni_(3)S_(2)/AF exhibits high activity and durability when act as HER catalyst and OER precatalyst in alkaline media.The HER and OER overpotential at 10 mA/cm^(2) is considerably small,only 75 and 267 mV,respectively.Moreover,the electrolyzer assembled by Fe−Ni_(3)S_(2)/AF for overall water splitting exhibits a low cell voltage and high durability in long-term test.Based on experiments and theoretical calculation,the significantly enhanced activity could be originated from the incorporation of Fe,which contributed to increase the electrochemical active surface area,enhance electrical conductivity,optimize the hydrogen and H2O adsorption energy of Ni_(3)S_(2)(101)surface in HER,and form active bimetallic Ni−Fe(oxy)hydroxide in OER.The excellent durability of self-supported Fe−Ni_(3)S_(2)/AF could be benefited from the in-situ growth of Fe−Ni_(3)S_(2) nanoparticles on 3D AF,which could ensure closely mechanical adhesion between active materials and substrate,promote charge transport and increase surface area.This work provides a facile method for large-scale synthesis of electrocatalysts with high activity and long-term durability for efficient water electrolysis in alkaline media.Min Wang Li Zhang Jialiang Pan Meirong Huang Hongwei Zhu 2021Nano Research2021,14,12:4
5新型析氢析氧电化学催化剂在固体聚合物水电解体系的应用显示文摘固体聚合物水电解制氢技术在可再生能源利用和氢能经济发展中占有极其重要的地位,催化剂是实现高效能源转化的关键。由于聚合物水电解体系的强酸腐蚀性和高氧化电位,其实际应用的催化剂仍以Pt和Ir基催化剂为主。贵金属材料储量有限,价格昂贵,电催化剂成本很高,极大限制了聚合物水电解技术的发展。聚合物水电解催化剂的研究主要集中在降低贵金属用量、提高贵金属利用率和延长催化剂使用寿命等方面。此外,寻找廉价的替代材料,开发非贵金属析氢、析氧电催化剂也是研究的重要内容和发展方向。通过深入认识催化作用机理,结合快速发展的模拟、计算技术,设计制备新型高性能析氢、析氧电催化剂具有重要应用价值。本文总结了当前聚合物水电解体系析氢、析氧催化原理的发展,介绍了新型析氢、析氧催化剂的制备技术和性能研究及双效催化剂的发展,并对提高催化性能的措施做了简单总结和建议,希望对聚合物水电解体系催化剂的进一步研究和发展有积极意义。康伟 李璐 赵卿 王诚 王建龙 滕越 2020化学进展2020,32,12:4
6In-situ growth of Ni nanoparticle-encapsulated N-doped carbon nanotubes on carbon nanorods for efficient hydrogen evolution electrocatalysis显示文摘Searching for inexpensive,efficient and durable electrocatalysts with earth-abundant elements toward the hydrogen evolution reaction(HER)is of vital importance for the future sustainable hydrogen economy,yet still remains a formidable challenge.Herein,a facile template-engaged strategy is demonstrated for the direct in-situ growth of Ni nanoparticles and N-doped carbon nanotubes on carbon nanorod substrates,forming a hierarchically branched architecture(abbreviated as Ni@N-C NT/NRs hereafter).The elaborate construction of such unique hierarchical structure with tightly encapsulated Ni nanoparticles and open configuration endows the as-fabricated Ni@N-C NT/NRs with abundant well-dispersed active sites,enlarged surface area,reduced resistances of charge transfer and mass diffusion,and reinforced mechanical robustness.As a consequence,the optimal Ni@N-C NT/NR catalyst demonstrates superior electrocatalytic activity with relatively low overpotential of 134 mV to deliver a current density of 10 mA·cm^-2 and excellent stability for HER in 0.1 M KOH,holding a great promise for practical scalable H2 production.More importantly,this work offers a reliable methodology for feasible fabrication of robust high-performance carbon-based hierarchical architectures for a variety of electrochemical applications.Xiaoxiao Yan Minyi Gu Yao Wang Lin Xu Yawen Tang Renbing Wu 2020Nano Research2020,13,4:4
7Interfacial engineering of Ni/V2O3 for hydrogen evolution reaction显示文摘Electrocatalytic water splitting offers a sustainable route for hydrogen production,enabling the clean and renewable alternative energy system of hydrogen economy.The scarcity and high-cost of platinum-group-metal(PGM)materials urge the exploration of high-performance non-PGM electrocatalysts.Herein,a unique hierarchical structure of NiA/2O3 with extraordinary electrocatalytic performance(e.g.t overpotentials as low as 22 mV at 20 mA·cm^-2 and 94 mV at 100 mA·cm^-2)toward hydrogen evolution reaction in alkaline electrolyte(1 M KOH)is reported.The investigation on the hierarchical NiA/2O3 with a bimodal size-distribution also offers insight of interfacial engineering that only proper NiA/2O3 interface can effectively improve H20 adsorption,H20 dissociation as well as H adsorption,for an efficient hydrogen production.Yang Chen Yuan Rao Rongzhi Wang Yanan Yu Qiulin Li Shujuan Bao Maowen Xu Qin Yue Yanning Zhang Yijin Kang 2020Nano Research2020,13,9:3
8高性能、可弯曲碳纳米管纤维负载镍磷合金电催化析氢电极的研究显示文摘利用电化学沉积法在碳纳米管纤维(CNTFs)上沉积了镍磷合金,对比了不同循环圈数、不同镍磷比例下制备的碳纳米管纤维负载镍磷合金(Ni-P/CNTFs)电极在中性电解质溶液中的电催化析氢性能,发现当电沉积液中镍磷比为2∶1时,沉积50圈时制备出的样品具有最佳的电催化析氢性能,产生10 mA·cm-2电流密度仅需138 mV过电势,塔菲尔(Tafel)斜率为83 mV·dec-1,同时具有良好的稳定性。并且在保持催化性能不变的前提下,样品可以进行弯曲,扩展了应用领域。赵玄 孙玉平 上媛媛 宋平新 张迎九 2020人工晶体学报2020,49,9:1
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