首页> 外文会议>First International Conference on Fuel Cell Science, Engineering and Technology Apr 21-23, 2003 Rochester, New York >ANALOGIES BETWEEN FUEL CELLS AND HEAT EXCHANGERS: FROM PHENOMENA TO DESIGN PRINCIPLES
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ANALOGIES BETWEEN FUEL CELLS AND HEAT EXCHANGERS: FROM PHENOMENA TO DESIGN PRINCIPLES

机译:燃料电池和换热器之间的类比:从现象到设计原理

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Fuel cells and heat exchangers have numerous similarities. Both technologies are used to produce an "energy-in-transit." Heat exchangers foster thermal transport (heat) as a result of thermal potential differences between streams; fuel cells foster charge transport across electrodes (current leading to power) as a result of electrochemical/electric potential differences between the reactant streams and fuel cell electrodes. Additional analogs include series resistance formulations, active regions for transport phenomena and pertinent capacity rates. These similarities have motivated the extension of heat exchanger design philosophies to fuel cells development. Pilot simulations have been done wherein solid oxide fuel cell geometries and process settings are being optimized via electrochemical pinch points, electroactive area optimization (patterned after optimal area allocation within heat exchangers), electrode "fins" for diminished polarization, and electrochemical multi-staging (motivated by heat exchanger network concepts). The prevailing theme has been to bridge methodologies from the mature field of heat exchanger design to improve fuel cell design practices.
机译:燃料电池和热交换器具有许多相似之处。两种技术都用于产生“运输中的能量”。由于流之间的热势差,热交换器促进了热传输(热量)。由于反应物流和燃料电池电极之间的电化学/电势差,燃料电池促进了跨电极的电荷传输(电流导致功率)。其他类似物包括串联电阻配方,传输现象的有效区域和相关的容量比率。这些相似之处促使热交换器设计理念扩展到燃料电池的开发。已经进行了试点模拟,其中通过电化学收缩点,电活性区域优化(在换热器内最佳区域分配后进行模式化),用于减小极化的电极“鳍”和电化学多级优化(受热交换器网络概念的激励)。流行的主题是弥合热交换器设计成熟领域中的方法,以改善燃料电池设计实践。

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