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Soec system and method for operating a soec system

A primary and controlled gas technology, applied in fuel cells, fuel cell additives, electrochemical generators, etc., can solve problems such as dissatisfaction

Pending Publication Date: 2022-01-07
AVL LIST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

While this improves the adjustability at the ejector, it does not meet expectations

Method used

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  • Soec system and method for operating a soec system
  • Soec system and method for operating a soec system
  • Soec system and method for operating a soec system

Examples

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Embodiment Construction

[0036] Components with the same function and mode of operation are each provided with the same reference symbols in the figures.

[0037] exist figure 1 An SOEC system 1 according to a preferred embodiment in the form of a co-electrolysis SOEC system is shown in . The illustrated SOEC system 1 has a fuel cell stack 2 comprising a gas side 3 and an air side 4 . An electrolyte membrane 24 is arranged between the gas side 3 and the air side 4 . Furthermore, the SOEC system 1 has an ejector 5 for supplying the process fluid to the gas side 3 gas inlet 6 . The ejector 5 comprises a primary inlet 7 for feeding the aqueous primary process fluid into the primary part 9 of the ejector 5 via the primary line 8 of the SOEC system 1 and for feeding the recycled secondary process fluid via the SOEC system 1 The circulation line 11 of 1 is fed from the gas outlet 12 on the gas side 3 to the secondary inlet 10 in the secondary part 13 of the ejector 5 .

[0038] Furthermore, the SOEC sys...

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PUM

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Abstract

The present invention relates to an SOEC system (1) having a fuel cell stack (2) which has a gas side (3) and an air side (4), and an ejector (5) for supplying a process fluid to a gas inlet (6) on the gas side (3), wherein the ejector (5) has a primary intake (7), for introducing an aqueous primary process fluid through a primary line (8) of the SOEC system (1) into a primary section (9) of the ejector (5), and a secondary intake (10), for introducing returned secondary process fluid through a recirculation line (11) of the SOEC system (1) from a gas outlet (12) on the gas side (3) into a secondary section (13) of the ejector (5), wherein the SOEC system (1) further has a control gas supply section (14) for supplying control gas to the primary section (9) and to the secondary section (13) for controlling a pressure and / or a mass flow in the primary section (9) and in the secondary section (13), and wherein the control gas supply section (14) has a valve arrangement (19, 20) for controlling the pressure and / or the mass flow in the primary section (9) and in the secondary section (13). The invention further relates to a method for operating a SOEC system (1) according to the invention.

Description

technical field [0001] The present invention relates to an SOEC system having a fuel cell stack comprising a gas side and an air side and an ejector for supplying a process fluid to the gas side inlet, wherein the ejector has a primary The process fluid is input into the primary inlet of the primary part of the ejector through the primary pipeline of the SOEC system, and the secondary process fluid used for returning is input from the gas side exhaust port to the exhaust port of the SOEC system through the circulation line of the SOEC system. Secondary inlet in the secondary portion of the injector. The invention also relates to a method of operating such an SOEC system. Background technique [0002] The core component of the SOEC system is the fuel cell stack, which can be operated in specific operating states for a meaningful functional and / or operating mode and expected service life. It includes, in particular, the predetermined supply of the process gas to the fuel cel...

Claims

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Application Information

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IPC IPC(8): H01M8/04082H01M8/04089H01M8/04746H01M8/0612
CPCC25B1/04C25B15/08H01M8/04425H01M8/04753H01M8/18H01M2008/1293H01M8/04097H01M8/04201H01M8/0618C25B15/02C25B9/00F04F5/48F04F5/16H01M8/186H01M8/0438Y02E60/36Y02E60/50C25B9/73H01M8/2457H01M8/04649
Inventor 大卫·赖希霍尔夫雷内·布赫格拉贝尔F·科贝格
Owner AVL LIST GMBH
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