hydrogen overpotential
英 [ˈhaɪdrədʒən ˌəʊvəpəʊˈtɛnʃəl]
美 [ˈhaɪdrədʒən ˌoʊvərpəˈtɛnʃəl]
n. 氢过电位；氢超电压
双语例句
- For the purpose of extending the battery life the following measures were taken: use of high corrosion-resistant grid alloy with hydrogen evolution at high overpotential;
为延长电池寿命，采取了以下一些措施：采用高耐蚀的析氢过电位高的板栅合金； - The results demonstrated that bismuth ion can be deposited on the cathode surface in the course of charging, resulting in the decrease of both cathode hydrogen overpotential and discharge capacity.
实验结果表明，在充电过程中，硫酸溶液中的铋（）离子会沉积到负极上，从而引起负极析氢过电位显著降低和充放电容量一定程度的下降。 - In this paper, the relation between hydrogen evolution overpotential and the content of nickel or zinc, surface area of electrodes, and log| I| of porous nickel cathodes prepared by electrodeposition have been studied.
本文研究了用电镀法制备的各种多孔镍电极的镍锌含量、lgi、电极表面积及其在碱性介质中释氢过电位之间的关系。 - The effects of various metals on hydrogen overpotential, polorization, passivation potential and cyclic voltammograms of zinc electrodes were studied by corrosion experiments, polarization curves, and cyclic voltammetry.
为了寻找碱性溶液中锌电极的代汞缓蚀剂，应用腐蚀实验、极化曲线及循环伏安等方法，研究了Pb、Cd、In、Hg和Bi等金属对锌电极电化学行为的影响。 - Influence of Thickness of Catalysis Electrode Film on Hydrogen Evolution Reaction Overpotential
膜电极厚度对电极材料析氢活性的影响 - The characteristic absorption of Ti cathode coated with mixed Ru based oxide layer in the effect of hydrogen evolution have better electrocatalysis and stability, the lower overpotential than pure Ti cathode during hydrogen evolution, long life span, and the failure form is coating-peel.
结果表明：含Ru氧化物涂层阴极在析氢过程的特性吸附，表现出比钛阴极低的析氢过电位、高的强化寿命和稳定的电功能，最终以剥落失效。 - Effects of temperature and acid concentration on magnetic-induced hydrogen evolution overpotential of iron in hydrochloric acid solutions
温度和酸浓度对铁在盐酸溶液中析氢磁致过电位的影响 - When bismuth is deposited chemically on lead, hydrogen evolution reaction mainly occurs on bismuth, which has a lower hydrogen evolution overpotential than lead.
当铅电极表面化学沉积铋时，析氢反应主要发生在金属铋上，由于金属铋上的析氢反应过电位比铅上低，表现出很大的析氢电流。 - The cause is that hydrogen evolution become easy on metal Fe for lower overpotential than metal Zn in alkaline solution.
这是由于碱性溶液中，氢气在金属Fe上析出的过电势明显小于在金属Zn上的过电势，使析氢容易进行引起的。 - Usually, we select high hydrogen overpotential material as cathode to avoid giving off hydrogen.
阴极电极一般选择氢过电位高的金属、合金或汞齐作为阴极，为了避免阴极放出氢气，降低电流效率。 - The polarization curves indicated that the additives could control the hydrogen evolution reactions and play down the evolution overpotential of chromium to rise the current efficiency.
由极化曲线可知，高效镀铬添加剂的加入抑制了析氢反应，降低了铬的析出过电位，使电流效率提高。 - Metallic foams with hierachical porous structure could be prepared conveniently by electrodeposition utilizing hydrogen bubble dynamic templates. However, it was once considered that Au foams could not be prepared in this way for the overpotential of hydrogen evolution was low.
利用氢气泡模板可简便电沉积制备金属泡沫薄膜分级多孔结构，但文献曾认为由于析氢超电势低，不能用此法制备金泡沫薄膜。 - One of the main methods for large-scale hydrogen production is water electrolysis, but the cathode has high hydrogen evolution overpotential and the anode material has high oxygen evolution overpotential, which leads to excessive energy consumption.
电解水制氢是目前实现大规模制氢的主要方法之一，但电解水制氢的阴、阳极材料存在较大的析氢、析氧过电位而导致能耗过大。