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Centrifugal Water Separators for Fuel Cell Systems

A fuel cell system and fuel cell stack technology, applied in fuel cells, electrochemical generators, circuits, etc., can solve problems such as reduced life, low humidity, and reduced fuel cell performance, and achieve the effect of easy manufacturing

Active Publication Date: 2018-03-27
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, since some humidity is desired in the recycle stream, high efficiency conventional separators can result in humidity that is too low and degrades fuel cell performance and life

Method used

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  • Centrifugal Water Separators for Fuel Cell Systems
  • Centrifugal Water Separators for Fuel Cell Systems
  • Centrifugal Water Separators for Fuel Cell Systems

Examples

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Embodiment Construction

[0024] As required, detailed embodiments of the invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely illustrations of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale and some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. The description of ingredients in chemical terms refers to the ingredients in any combination other than those stated in the description, and does not necessarily exclude chemical interactions between the ingredients of the mixture when mixed.

[0025] figure 1 A fuel cell system 10 is schematically shown as a process flow diagram according to at least one embodiment. For example, fuel c...

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Abstract

A separator for a fuel cell includes first and second ends connected by a side wall to define a separation chamber. The first end has a protrusion extending into the chamber to form a channel with the wall. An inlet conduit is tangentially connected to the wall. An outlet conduit connected to the wall between the inlet conduit and the first end. A liquid drain is connected to the second end. A fuel cell system includes a fuel cell stack and a separator. The separator has first and second portions forming a chamber and a divider. The first portion has a continuous inner wall, an end wall forming a central convex projection, an inlet conduit and an outlet conduit. The second portion has a continuous inner wall, an end wall, and a liquid drain.

Description

technical field [0001] Various embodiments relate to an apparatus for removing water from a fuel cell system. Background technique [0002] During fuel cell operation, by-products such as product water and nitrogen, as well as unconsumed hydrogen, form on the anode side of the fuel cell stack. In certain known systems, the accumulation of accumulated product water and nitrogen accumulation is controlled in an attempt to avoid degradation of fuel cell performance and / or shutdown of the fuel cell system. One known method is to release water and nitrogen through the downstream channels of the fuel cell stack. The by-products can be recycled so that unconsumed hydrogen is returned to the anode side of the fuel cell stack. Additionally, recirculation can be used to humidify the anode side to promote efficient chemical conversion and prolong cell membrane life. However, liquid water (such as droplets) may need to be removed from the recirculation flow to prevent water clogging ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04089H01M8/0662H01M8/04119
CPCH01M8/04097H01M8/04164H01M8/0687Y02E60/50
Inventor 威廉·F·桑得逊斯蒂芬·波特文
Owner FORD GLOBAL TECH LLC
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