| 1. | Direct methanol fuel cell ( dmfc ) is an ideal power source due to the high energy density of methanol and convenient fuel management and low system complexity 直接甲醇燃料电池( directmethanolfuelcell , dmfc )是直接使用液体甲醇作燃料,且不需要氢源重整的发电装置。 |
| 2. | Developed direct methanol fuel cell ( dmfc ) has been received widespread attention due to the abundant source , the low price , the safety of storage and transportation of fuel 直接甲醇燃料电池( dmfc )由于其燃料来源丰富、价格便宜、运输和存储安全等优点而受到广泛的重视。 |
| 3. | In this paper an overview is given about the study progress in direct methanol fuel cells ( dmfc ) at home and abroad , and the important technology problems encountered and their solutions are described 摘要综述了国内外在直接甲醇燃料电池( dmfc )方面的研究进展,以及研究过程中遇到的主要技术难题和解决途径。 |
| 4. | Recently developed direct methanol fuel cell ( dmfc ) has been received widespread attention due to the abundant source , the low price , the safety of the storage and transportation of the fuel 近年来发展起来的直接甲醇燃料电池( dmfc )由于其燃料来源丰富、价格便宜、运输和储存较安全的优点而受到广泛重视。 |
| 5. | Direct methanol fuel cell ( dmfc ) is one of promising candidates as power sources in portable electronic products , electric vehicle etc , due to their inherent simplicity of design and operation , high energy efficiency , small weight and volume , and low pollution 直接甲醇燃料电池( dmfc )具有燃料易运输与存储、重量轻、体积小、结构简单、能量效率高等优点,在手提电源、电动汽车等领域具有广阔的发展前景。 |
| 6. | A mathematical model for the anode of a direct methanol fuel cell ( dmfc ) considering the mass transport in the whole anode compartment and the proton exchange membrane ( pem ) , together with the kinetic and ohmic resistance effects through the catalyst layer is developed . the influences of key parameters on methanol crossover and anode performance are investigated 对于dmfc的阳极,本文描述了甲醇和水在阳极及质子交换膜( pem )中的传递过程、反应动力学和欧姆阻抗效应,建立阳极和pem的数学模型,并探讨对甲醇扩散和阳极性能影响的主要因素。 |
| 7. | In this paper all kinds of fuel cell , the current research situation and working principle of proton exchange membrane fuel cell ( pemfc ) are outlined . mathematical models in relation to electrochemistry reaction and transfer process in direct methanol fuel cell ( dmfc ) are compared and analyzed . latest progress of membrane materials and instrument analysis technique in dmfc has also been described 介绍了燃料电池的分类以及质子交换膜燃料电池( pemfc )的工作原理和研究现状,并对直接甲醇燃料电池( dmfc )中有关电化学反应及传递过程的数学模型进行了比较和分析,描述了适用于dmfc的膜材料以及仪器分析技术的最新进展,认为直接甲醇燃料电池是目前较理想的燃料电池,有着广阔的发展前景。 |
| 8. | Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model . model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance , which is respectively represented by the curve of cathode overpotential versus current density . much attention has been paid to parameters including the porosity of the reaction layer , the thickness of the thin - film on the flooded - agglomerate , the radius of the flooded - agglomerate , the volume fraction of the flooded - agglomerates in the reaction layer 本文首先运用tffa模型描述直接甲醇燃料电池( dmfc )阴极氧气的传递和电化学反应过程,研究了过电位-电流密度曲线受阴极结构参数变化的影响程度,其中着重考虑了以下几个参数:催化层的孔隙率,浸渍聚集体薄膜的厚度,浸渍聚集体的半径,浸渍聚集体在催化层中的体积分数。 |