Figure 1. The solid oxide fuel cell geometry of one cell in a stack, including the bipolar plates (left). The model geometry is one unit cell, including one air and one hydrogen channel (right). The bipolar plate is assumed to be at constant electric potential and is not included in th...
3. 非等温质子交换膜燃料电池 使用非等温质子交换膜燃料电池教程模型,我们可以对质子交换膜燃料电池中的电化学反应、流体流动、传热以及电荷和物质传递进行多物理场仿真。这个教程中的电池包括两个膜电解质组件电极,以及二者中间的气体扩散层(GDL)。电极的活性层被建模为表面,也就是说忽略了它们的几何厚度。活性层厚度...
High-temperature PEM fuel cells operate at temperatures above 100°C, unlike their low-temperature counterparts, which operate around 70-80°C. Because of electrochemical reactions that take place in the cell, water is generated on the cathode side. Water may also collect on the anode side if ...
This chapter addresses three types of high temperature fuel cells: molten carbonate fuel cells (MCFCs), solid oxide fuel cells, and direct carbon fuel cells (DCFCs). It presents corrosion processes operating in the cell systems, which lead to electrical performance degradation, and highlights ...
Thus T. pyriformis possesses two efficient and separate nutrient uptake systems, each capable of being nearly self-sufficient (if not completely so). Important implications of these results are discussed. The excellent growth of the mutant... E Orias,L Rasmussen - 《Experimental Cell Research》 被...
聚合物电解质膜或质子交换膜(proton exchange membrane,简称 PEM)燃料电池是一种极具应用潜力的便携式清洁电源,是交通运输和发电行业的研究热点。COMSOL Multiphysics,这款强大的仿真工具,可以帮助理解和克服 PEM 电池燃料设计和施工过程中的挑战。 高温PEM 燃料电池的质量传递分析 ...
Stateshundreds of billions of gallons ofgroundwaterare also contaminated withuraniumand other toxic chemicals, and more than 63.5 million metric tons (about 70 million tons) of radioactive waste, which is mostlyuraniumwaste derived from spent nuclear fuel, is buried in landfills, trenches, and ...
Synthetic liquid fuels are typically a mix of carbon monoxide and hydrogen known assyngas. — Eric Tegler,Forbes, 29 Oct. 2021 Given the existing fuel infrastructure, most maritime fuel cell demonstration projects today have to store liquid hydrogen or use onboard systems that convert natural gas...
Excretion, the process by which animals rid themselves of waste products and of the nitrogenous by-products of metabolism. Through excretion organisms control osmotic pressure—the balance between inorganic ions and water—and maintain acid-base balance.
Learn what an electrochemical cell is and explore the types of electrochemical cells. Learn the galvanic cell definition and see an electrochemical...