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Fuel cell system and method for the operation of a reformer

A fuel cell system and fuel cell technology, used in fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve problems such as carbon deposition, and achieve the effect of reducing carbon deposition.

Inactive Publication Date: 2008-10-22
ENERDAY GMBH (DE)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As shown, in the case where the anode exhaust gas 126 is drawn by means of cold air, undesired coking occurs

Method used

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  • Fuel cell system and method for the operation of a reformer
  • Fuel cell system and method for the operation of a reformer

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Embodiment Construction

[0027] The embodiment of a fuel cell system according to the present invention shown in FIG. 2 includes a reformer 10 for converting a fuel 12 and an oxidant 14 into a reformate 16 . Fuel 12 , such as petrol or diesel, is fed to the reformer 10 via a fuel pump 44 . In this case, the air 14 fed into the reformer 10 by means of the reforming blower 46 is used as the oxidizing agent. A part of the reformate 16 produced by the reformer 10 is sent to the fuel cell 18 or the fuel cell stack, and the hydrogen-containing gaseous reformate sent to the fuel cell 18 is sent to the fuel cell 18 by means of a fuel blower 50. The incoming cathode air is converted into electric current and heat. In this case, the reformate depleted by conversion in the fuel cell 18 is fed to an afterburner 30 , for example a perforated burner equipped with an afterburner blower 52 .

[0028]The reformer 10 includes a reforming burner 20 into which a fuel 12 and an oxidant 14 are fed. In addition, the refo...

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PUM

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Abstract

The invention relates to a fuel cell system comprising a reformer (10) for reacting fuel (12) and oxidizer (14) so as to obtain reformate (16) as well as at least one fuel cell (18) to which reformate (16) is fed. The reformer (10) is fitted with a reformer burner (20) and a reformer catalyst (22). Means (24) for feeding anode exhaust gas (26) of the fuel cell (18) and / or reformate (16) and / or exhaust gas (28) of an afterburner (30) mounted downstream from the fuel cell (18) are provided between the reformer burner (20) and the reformer catalyst (22). The invention also relates to a method for operating a reformer (10) to react fuel (12) and oxidizer (14) so as to obtain reformate (16).

Description

technical field [0001] The present invention relates to a fuel cell system comprising a reformer for converting a fuel and an oxidant into a reformate and at least one fuel cell to which the reformate is added. Furthermore, the present invention also relates to a method for operating a reformer for converting fuel and oxidant into reformate. Background technique [0002] Figure 1 shows a known simple fuel cell system designed to use hydrocarbons. The fuel cell system shown in FIG. 1 has a reformer 110 into which fuel 112 is fed by a fuel pump 144 . Furthermore, an oxidant 114 is fed to the reformer 110 , which in the illustrated case consists of air conveyed by a blower 146 and anode exhaust gas 126 introduced via an injector 124 . The anode off-gas 126 is produced by a fuel cell 118 equipped with a fuel cell blower 150 to which reformed product 116 produced by a reformer 110 is fed. The reformate 116 is a hydrogen-containing gas which is converted into electricity and he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/06H01M8/04
CPCC01B3/386C01B2203/0261C01B2203/066C01B2203/0827C01B2203/148C01B2203/1695H01M8/04014H01M8/04022H01M8/04097H01M8/0612Y02E60/50Y02P20/129H01M8/04H01M8/06
Inventor S·克丁
Owner ENERDAY GMBH (DE)
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