电化学动力学
- 网络electrochemical kinetics
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采用稳态极化曲线和电势扫描方法探讨了醋酸-醋酐有机体系中Mn(Ⅲ)在铂电极上阳极氧化生成Mn(Ⅲ)的电化学动力学和电化学反应机理。
By steady-state polarization curves and potential sweep , this paper deals with the electrochemical kinetics and reaction mechanism for Mn (ⅱ) to form Mn (ⅲ) by anodic oxidation at the platinum electrode in acetic acid / anhydride organic system .
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模型以Stefan-Maxwell扩散和Knudsen扩散的叠加描述了气体混合物在多孔电极中的扩散过程,以Tafel方程描述了甲醇在阳极氧化和氧在阴极还原的电化学动力学。
Transport in the diffusion layers and catalyst layers are described by a superposition of Knudsen diffusion and Stefan-Maxwell diffusion , and electrochemical kinetics for anodic methanol oxidation and cathodic oxygen reduction are described by Tafel equation .
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基于Matlab求解电化学动力学参数
Acquisition of Kinetic Parameters of Electrochemistry Based on Matlab
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铈及退火处理对低钴AB5型贮氢合金电化学动力学性能的影响
Effect of Ce and Annealing Treatment on Kinetics and Electrochemical Properties of Low-Co AB_5-Type Alloys for High-Power Ni / Mh Battery
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测定了HRP(Fe~(3+)/Fe~(2+))电对的标准氧化还原电位和电化学动力学参数,讨论了HRP氧化性中间物的电化学性质。
The standard redox potential of HRP ( Fe3 + / Fe2 + ) couple and electrochemical kinetic parameters were measured , and the electrochemical properties of HRP compound I were also discussed .
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根据电化学动力学理论,利用有限元方法,模拟分析了循环伏安法过程中被测物在s-BLM中的扩散过程。
According to electrochemical dynamics theory , utilizing finite element method simulates the diffuse process of species in s-BLMs during cyclic voltammetry .
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通过实验室试验对EFM测试系统和实验技术进行了检验,证明系统能够有效地测得多种体系中的腐蚀速率等电化学动力学参数。
The EFM system and EFM technique were examined by laboratory experiments and proved to be available to determine the electrochemical kinetic parameters like corrosion rate in various of corroding systems .
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混合控制下腐蚀过程的电化学动力学参数测定
Determination of Electrochemical Kinetic Parameters in a Mixture Controlled Corrosion System
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电化学动力学参数的计算机拟合
The computer fitting of kinetic parameters of electrochemistry
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模型综合考虑了电化学动力学,传质过程和电极反应过程。
The model takes account of the electrochemical reaction dynamics , mass-transfer and electrode processes .
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腐蚀过程电化学动力学参数的计算机估算方法
New numerical methods for estimating the electrochemical kinetics parameters of corrosion process using weak polarization curve
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目的:在生理介质中研究苦参碱和槐定碱在玻碳电极上的电化学动力学性质。
Objective : To investigate the kinetic processes of direct electrooxidation for both matrine and sophoridine in a physiological medium .
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文中对用高斯-牛顿法拟合三参数和四参数极化曲线方程式求取电化学动力学参数提出了两种改进方法。
Gauss-Newton method was used to estimate the values of electrochemical kinetics parameters by fitting the weak polarization curve of the corroding metal .
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在传统电化学动力学基础上,引入了基元反应平均反应时间,推导了阳极反应动力学方程。
A kinetic equation of the anode is deduced by introducing a factor of reaction time in each step based on traditional electrochemistry kinetic theory .
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另外,本文从电化学动力学的角度,对碱金属热电转换器的电极极化过程及对其特性的影响进行了讨论。
In addition , from the viewpoint of electrochemical kinetics , the electrode polarizing process of AMTEC and its effect on the AMTEC performance were discussed .
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用线性电位扫描、交流阻抗法以及气体收集实验研究了铅铋合金在硫酸溶液中的析氧行为,确定了相关的电化学动力学参数。
The oxygen evolution behavior on the prepared lead-bismuth alloys in sulphuric acid solution are studied by liner sweep voltammetry , measurement of the volume of oxygen evolution and alternative current impedance .
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然后,发展了一个用于研究质子交换膜燃料电池特性的三维综合的数学模型,模型同时考虑了流体流动、热量传递、电荷传递、多组分传递和电化学动力学。
Then , a three-dimensional , comprehensive , steady-state mathematical model is described to investigate the fluid flow , heat transfer , species transport and electrochemical reaction in the PEM fuel cells .
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主要依据微型直接甲醇燃料电池中物质传递的基本原理及电化学动力学机理,建立微型直接甲醇燃料电池的一维数学模型,利用遗传算法对其进行优化设计。
The mass transfer and electrochemical mechanics of DMFC can be understood by the math model of DMFC , and so the theory foundation can be supplied for the optimization wording conditions of DMFC .
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硅基薄膜负极材料的锂离子扩散系数是决定其电化学动力学性能的主要因素,采用循环伏安法测定了硅基薄膜负极材料的锂离子扩算系数。
The diffusion coefficient of lithium ion is a key factor to decide the electrochemical kinetic property of Si-based film . The lithium ion diffusion coefficient of Si-based film was measured by cyclic voltammetry .
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对一个活化极化控制的腐蚀体系,其腐蚀金属电极的弱极化曲线方程式包含3个电化学动力学参数,但同时测定出这些动力学参数还是一个棘手的问题。
There are three electrochemical kinetic parameters in the weak polarization curve equation of corroding systems controlled by activation polarization , but it is difficult to estimate all these parameters at the same time .
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建立了平板式阳极支撑固体氧化物燃料电池的三维数学模型,通过耦合电化学动力学和流体动力学模拟了电池的传热传质等传输现象。
A three-dimensional mathematical model coupling electrochemical kinetics with fluid dynamics was developed to simulate the transport phenomena in planar anode-supported solid oxide fuel cell ( SOFC ) such as fluid flows , heat and mass transfer .
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运用控制电位电解库仑法、计时库仑法、计时电流法研究了它们的电化学动力学规律,由电化学动力学测定并计算出了它们的电子转移数、电子转移系数、扩散系数、反应速率常数。
The electrochemical kinetics , which were studied by bulk electrolysis with coulometry , chronocoulometry and chronoamperometry , were used for the calculation of electron transfer number , electron transfer coefficient , diffusion coefficient and rate constant .
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Ti合金在人工体液中的电化学腐蚀动力学参数
Electrochemical Erode Dynamic Parameters of a New Type Dental Ti Alloy in Artificial Body Fluid
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对盐桥支撑双层类脂膜的特性、细胞色素C的电化学反应动力学以及有关影响细胞色素C循环伏安行为的各种因素进行了详细探讨;
The characteristics of salt bridge supported BLMs , the electrochemical reaction mechanism of cytochrome C and the effects of various factors on its cyclic _ voltammetric behavior were investigated in details .
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结合我们自己的工作,重点介绍了纳米电极在电化学反应动力学参数测量及扫描电化学显微镜(SECM)中的应用,并对其发展前景进行了展望。
We emphasize their applications in measurements of heterogeneous electron transfer rate constants and in scanning electrochemical microscopy ( SECM ) .
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硫酸盐体系中硫化镍阳极电化学溶解动力学
Electrochemical kinetics of anodic dissolution of nickel sulfide in sulphate solution
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含水岩土体系电化学传质动力学耦合关系研究
Coupling relationship for electrochemical hydrodynamics in water-saturated sandy soil and clayey soil
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中空纤维镍基板电化学浸渍动力学分析
Kinetics of Electrochemical Impregnation Process of Hollow Fibrous Nickel Plaque
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利用多孔介质毛管模型建立了孔隙饱和介质电化学传质动力学理论,推导出泥岩的自然电位测井响应方程。
According to the capillary model of porous media , the theory of electrochemistry transfer dynamics is developed up , and the log response equation for spontaneous potential is deduced .
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以界面电化学反应动力学和离子输运动力学为基础,构造了一种多孔硅形成与结构的动态计算机模拟模型,模型中采用了电势的指数形式来表示化学反应概率。
A computer simulating model of porous silicon is presented , which is based on electrochemical reaction dynamics of silicon / solution interface and transport dynamics of ions in hydrofluoric acid solution .