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Water transfer compound

A composite structure, water transmission technology, applied in the direction of final product manufacturing, electrochemical generators, chemical instruments and methods, etc., can solve the problems of complex positioning process, leakage, inaccuracy, etc., and achieve the effect of ensuring sealing

Active Publication Date: 2015-11-25
REINZ DICHTUNGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the positioning process becomes very complicated and even the slightest imprecise leaks can occur, e.g. caused by folded or incorrectly inserted membranes

Method used

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Examples

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Embodiment Construction

[0086] Figure 1a A humidifier 1 is shown comprising a plurality of layered humidifier modules 8 stacked and compressed between two end plates 9 . Gas is supplied and exhausted through the end plate. Thus, the humidifier 1 is a humidifier for the humidification of the process gas of the fuel cell, the humidifier 1 comprises a first inlet (arrow B) for supplying dry gas, a first outlet (arrow C) for discharging humidifier gas , a first inlet (arrow A) for supplying humidified gas, and a second outlet (arrow D) for discharging dehumidified gas. Figure 1b The whole configuration is shown schematically, where dry process gas is supplied from compressor K to humidifier H via supply line B, and humidified gas is supplied to fuel cell stack S via outlet C. The humid gas released from the fuel cell stack S is supplied via the supply line A to the humidifier H, where the humid gas releases the main part of the moisture of the humid gas to the dry gas supplied from the compressor K vi...

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Abstract

The application relates to a water transfer compound, preferably for use for the humidification of process gases for fuel cells, comprising: - a water-permeable and essentially gas-impermeable water transfer layer as well as - at least one thermoplastic protection layer which is water- and gas-permeable at least in sections, where - the water transfer layer and the thermoplastic protection layer overlap each other at least in sections and comprise a first and a second overlapping area, where - the water transfer layer in the first overlapping area is accessible for humid gases through the thermoplastic protection layer and the water transfer compound is thermocompressed in the second overlapping area so that the water transfer layer in the second overlapping area is not accessible for humid gases through the compressed thermoplastic protection layer.

Description

technical field [0001] The present invention relates to a water transfer composite structure, a humidifier module, a humidifier and an apparatus for producing a water transfer composite structure. The water transport composite can preferably be used for humidification of the process gas of the fuel cell. Background technique [0002] Fuel cells use, inter alia, gaseous process media, such as molecular hydrogen and oxygen, for generating electric current. [0003] The fuel cell generally uses a polymer-electrolyte membrane (polymer-electrolyte membrane, PEM). In operation, the PEM is heated up to 80°C or 90°C. For the degree of efficiency of the fuel cell as well as the durability of the PEM, it is important that relatively constant conditions regarding temperature and humidity are given in the region of the PEM. Specifically, drying out of the PEM can negatively affect the durability and efficiency of the fuel cell. [0004] With regard to the deliberate setting of the h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04
CPCH01M8/04141H01M8/04149Y02E60/50Y02E60/521Y10T156/1062Y10T156/1085Y02P70/50B32B37/185B32B37/206B32B38/0004
Inventor 约阿希姆·舍雷尔赖纳·格卢克托马斯·斯托尔维尔纳·邦茨曼弗雷德·布吕尔
Owner REINZ DICHTUNGS
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