A gas diffusion electrode is one of the most important components of a zinc-air battery.
气体扩散电极是锌空气电池的重要组件之一。
The hydrophobic materials of the gaseous diffusion layer are distributed evenly, as a result, the concentration polarization and the ohm polarization of the gaseous diffusion layer are lowered and the performance of the fuel battery is improved. Besides, the equipments needed by the method are simple and are easy to realize.
本发明的气体扩散层憎水材料分布均匀，降低了气体扩散层的浓度极化和欧姆极化，提高了燃料电池的性能，本发明的方法所需设备简单，容易实现。
The invention is capable of settling the problem of uneven distribution of carbon paper or hydrophobic material in the existing gaseous diffusion layer which degrades the performance of the fuel battery due to relatively big concentration polarization and ohm polarization of the gaseous diffusion layer.
本发明解决了现有的气体扩散层的碳纸或碳布中憎水材料分布不均匀所导致的气体扩散层存在较大浓度极化和欧姆极化从而降低燃料电池的性能的问题。
The invention relates to a gaseous diffusion layer for a polymer electrolyte membrane fuel battery and a preparation method thereof, relating to a gaseous diffusion layer for a fuel battery and a preparation method thereof.
用于聚合物电解质膜燃料电池的气体扩散层及其制备方法，它涉及一种用于燃料电池的气体扩散层及其制备方法。
The diffusion coefficient of lithium in graphite is an important parameter for the use of graphite because it relates to the ability of charge and discharge rate of lithium ion battery.
2扩散系数是碳电极嵌锂反应的一个重要参数，它与碳电极可承受充放电流的能力有关。
Measurements of mean residence time and penetration of submicrometer aerosols in flows in tubes were made within the range of Reynolds numbers from 0.07 to 0.26 by widening of aerosols pulses analysis of monodisperse polystyrene spheres solid particles injected in clean nitrogen flow through a diffusion battery of capillary tubes.
在Reynolds数0.07～0.26范围内，采用亚微米聚苯乙烯球形硬气溶胶粒子脉冲，测定了气溶胶粒子在毛细管扩散池组中的谱带展宽，由此获得了气溶胶在毛细管中的平均保留时间和穿透率。
The results of open circuit voltage change analysis and dissection analysis of the batteries showed that the main cause of spot-corrosion at low temperature was that the sealing was not air-tight resulted in oxygen diffusion into the battery.
对电池的开路电压变化分析和解剖研究的结果表明：封口不严导致氧气侵入电池，是造成低温点蚀的重要原因。
Effect of the carbon black on the electrical performance of gas diffusion electrode of zinc-air battery
炭黑对锌空气电池空气扩散电极电性能的影响
Gas diffusion electrode (GDE) is the energy convertor of zinc air battery, so the performance of it has a great impact on the development of zinc air battery.
气体扩散电极是锌空气电池的能量转换器，其性能的优劣制约着锌空气电池的发展。
Some mathematic models were proposed to explain above mentioned phenomena: (1) limiting current explained gas diffusion had become the control role in battery process, and the simulated curve fitted the realistic U/I curve;
提出了几个数学模型来解释这些现象：（1）极限电流表明阴极气体扩散已成为电池过程的速率控制步骤，用我们的公式模拟得到的U/I曲线与实验曲线能较好地吻合；
There is a certain related relation among the coefficient of permeate, the chlorine ion spread coefficient and half battery electric potential, and can predict the time when the reinforcing steel start to corrosion according to the chlorine diffusion coefficient.
混凝土渗透系数、氯离子扩散系数和腐蚀钢筋半电池电位值存在一定的相关关系，并可根据氯离子扩散系数预测混凝土中钢筋开始腐蚀的时间。
The results show that the potential decay of positive electrode dominates the depression of voltage plateau for battery. And the decay is mainly caused by diffusion polarization.
镍氢电池放电电压的衰减主要是由正极衰减引起的，浓差极化又是正极衰减的主要原因。
The main problems for lithium-ion battery technology applied in EV and HEV are the rapid charge-discharge ability and security issues, while the main reason for the restriction of its rapid charge-discharge performance is the low lithium-ion diffusion rate in the solid phase.
锂离子电池技术在EV和HEV中应用所面临的主要问题是快速充放电和安全性问题，限制其快速充放电性能的主要原因是锂离子在固相中扩散速率较低。
The solid diffusion coefficient of lithium ion within insertion-host lithium ion battery of materials LiCoO_2 was determined by capacity intermittent titration technique (CITT) under different voltages.
采用容量间歇滴定技术在充放电仪上测定了不同电压条件下嵌入型锂离子电池正极材料LiCoO2中Li+的固相扩散系数。
Lithium-ion battery is a rechargeable battery, which works based on lithium-ion diffusion moving between positive and negative polars.
锂离子电池是一种可充电电池，依靠锂离子在正极和负极之间的扩散移动来工作。