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Burner for a fuel cell system with two reaction chambers

A technology of fuel cell system and burner, which is applied to the use of such burner, fuel cell system, burner of SOFC system, and the field of operating fuel cell system, which can solve unknown problems

Pending Publication Date: 2020-06-02
AVL LIST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not known from this publication how in particular a fuel cell system operating on liquid fuel can be efficiently brought to operating temperature

Method used

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  • Burner for a fuel cell system with two reaction chambers
  • Burner for a fuel cell system with two reaction chambers
  • Burner for a fuel cell system with two reaction chambers

Examples

Experimental program
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Embodiment Construction

[0055] figure 1 and figure 2 A burner 1 for a fuel cell system 100 according to the invention is shown. It comprises two reaction chambers 6 , 7 which are arranged one behind the other in the direction of flow. Each reaction chamber 6, 7 has a chamber inlet 4a, 4b and a chamber outlet 5a, 5b, respectively. The burner 1 also has a first working fluid guide part 2 and a second working fluid guide part 3, wherein the first working fluid guide part 2 is designed for guiding the first working fluid, and the second working fluid guide part 3 is designed for A second working fluid is channeled. Within the scope of the invention, an ethanol-water mixture is preferably used as the first working fluid and air as the second working fluid. The first working fluid guide 2 here comprises a first section 2a and a second section 2b.

[0056] Such as figure 1 and figure 2 As shown, the first reaction chamber 6 and the second reaction chamber 7 of the burner 1 are both in the form of h...

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PUM

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Abstract

The invention relates to a burner (1) for a fuel cell system (100), in particular an SOFC system, wherein: the burner (1) is designed and arranged as a starter burner and / or afterburner, comprising afirst operating fluid conduction portion (2) and a second operating fluid conduction portion (3); the burner (1) comprises two reaction chambers (6, 7) arranged in succession and each having a chamberinlet (4a, 4b) and a chamber outlet (5a, 5b); a chamber inlet (4b) of a second reaction chamber (7) follows a chamber outlet (5a) of a first reaction chamber (6) in the flow direction; and the reaction chambers (6, 7) each comprise a catalytic material (18). The invention also relates to the use of a burner (1) of this kind and to a fuel cell system comprising a burner (1) of this kind. The invention also relates to a method for operating a fuel cell system comprising a burner (1) of this kind.

Description

technical field [0001] The present invention relates to a burner for a fuel cell system, especially a SOFC system, wherein the burner is designed and arranged as a start-up burner and / or an afterburner, comprising a first working fluid guide and a second working fluid boot department. [0002] The invention also relates to the use of such a burner. [0003] The invention also relates to a fuel cell system with such a burner. [0004] Furthermore, the invention relates to a method for operating a fuel cell system. Background technique [0005] Burners for fuel cell systems are known from the prior art. Especially in SOFC systems operating on liquid fuels such as diesel or ethanol or ethanol-water mixtures, it may be necessary to vaporize and reform the liquid fuel in a first step. Especially when using aqueous ethanol, the high water content (eg 55%) makes it difficult or even impossible to burn this fuel in flame burners, which are used, for example, in fuel cell systems...

Claims

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Application Information

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IPC IPC(8): H01M8/0612H01M8/04014H01M8/04302H01M8/04225H01M8/04223F23D14/04H01M8/124
CPCF23C6/042F23C13/04H01M8/04268H01M8/0618H01M8/0662H01M2008/1293F23D11/445F23J15/00F23C13/00F23D11/448F23D14/04H01M8/04022H01M8/04037F23M2900/05004H01M8/04302H01M8/04225Y02E60/50
Inventor 洛伦佐·霍尔特豪斯贝恩德·赖特尔迈克尔·赖西格多米尼克·莱波尔德托马斯·克劳斯塞普·斯泰纳雷内·沃特尔
Owner AVL LIST GMBH
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