燃料电池

Fuel cell is a new energy conversion device featuring high efficiency and low pollution. Because its electrical efficiency can achieve 50%-60%, the foreground is very good, the research and development of fuel cell have been emphasized in many countries now.

燃料电池是一种高效低污染的新型能量转换装置，其发电效率可达到50%~60%，有非常好的发展前景，目前很多国家都很重视对燃料电池的研究开发工作。

And then taking the whole fuel cell unit as a subject, builds up the PEMFC unit empirical model, combining certain thermodynamic theory as mass transfer, diathermancy, etc.

然后以整个燃料电池单池为研究对象，结合一定的传质、传热等热力学原理建立了PEM燃料电池单池的经验模型。

By analysis of characteristics of the fuel cell, the performance requirement of the electrical driving system of fuel cell powered EV has been given.

通过分析燃料电池的本质及其工作特性，提出了对燃料电池电动车电驱动系统的性能要求。

Based on the current electrical driving system of fuel cell powered EV, the suitable structure of the electrical driving system has been proposed. The structure and parameters of the components of the electrical driving system were also discussed.

基于对已有的燃料电池电驱动系统进行的分析，设计了适用于燃料电池电动车的电驱动系统结构，并对组成系统的各个部分的结构和参数设计进行了讨论。

Then this method was applied to detect the methanol concentration change in the fuel container during the cell's long term discharge. Rough calculation shows that Faradic efficiency of our passive cell system is about 44%.

采用该方法对被动式单电池在长时间放电过程中燃料腔内的甲醇浓度的变化进行了检测，通过实验对此系统的法拉第效率进行了估算，结果表明该被动式直接甲醇燃料电池的法拉第效率可以达到44%。

The invention provides a direct carbon fuel battery reaction device, belonging to the field of direct carbon fuel battery technique.

一种直接碳燃料电池反应装置，属于直接碳燃料电池技术领域。

The experimental results of two-phase flow and electric performance reveal the two-phase flow characteristics, the rule of bubble growing and breaking away and the effect of the gravity factor on cell performance.

该测试系统与作者自行设计的透明燃料电池以及落塔系统共同构成了微重力环境下直接甲醇燃料电池阳极流道可视化的研究平台。

Air compressor is indispensably used to supply high pressure oxygen for full cell.

空气压缩机是车用燃料电池系统中的重要部件之一，它主要为燃料电池反应堆提供高压氧气。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

In the PEMFC system, the oscillogram of the current is stable while the current is 1A; however, when the current is changed into 2.1A (subject to the power is 230W), the current output fluctuates and twists. After comparing the result generated from the simulation test of PSIM and experiment with the real data, this theory of the dissertation is proved to be workable.

本论文之研制之质子交换膜燃料电池电能转换系统，当电流为1A与1.9A时，电流波形图相当稳定，而当电流改变成2.1A时，此时功率约为230W，其输出电流波形及产生扭曲变形较不稳定，经由PSIM软体模拟与实验比较得出稳定燃料电池发电系统，并且与实际量测结果互相比较，以验证本文研究系统之可行性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。