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Plate-type middle-temp solid oxide fuel battery stack module

A technology of solid oxide and fuel cell stacks, which is applied in the direction of solid electrolyte fuel cells, fuel cells, fuel cell groups, etc., can solve the problems of reducing manufacturing costs and achieve the effect of improving the sealing effect

Inactive Publication Date: 2002-11-13
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a flat medium temperature solid oxide fuel cell stack module, which not only reduces the manufacturing cost, but also solves the problems of high temperature sealing and heat cycle resistance, and can realize effective compression and sealing under heat cycle conditions. without excessive thermal stress

Method used

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  • Plate-type middle-temp solid oxide fuel battery stack module
  • Plate-type middle-temp solid oxide fuel battery stack module
  • Plate-type middle-temp solid oxide fuel battery stack module

Examples

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Embodiment Construction

[0016] like figure 2 As shown, n=2, the upper cover 2, the single battery sheet 3, the connection plate 4 and the bottom plate 5 are all quadrilaterals, and their stacked arrangement is the same as that of the prior art, and their four corners protrude to form a fixing hole 1, and the fixing hole 1 Install bolts in the middle to secure, forming a fixed area. The surface formed by the edges of the upper cover 2, the single cell sheet 3, the connection plate 4 and the bottom plate 5, and the upper and lower sides of the upper cover and the bottom plate are equipped with six heating and heat preservation sheets 6 (the upper and lower two sheets are not shown in the figure), Together they form the working area of ​​SOFC. For the battery stack, the temperature in the fixed area is lower than that in the working area, which is lower than the temperature at which the bolts undergo high-temperature creep, so that the compression and sealing can be naturally achieved through thermal e...

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PUM

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Abstract

This invention provides a flat plate type moderate temp. solid oxide fuel cell piled module composed of upper cover, single cell plates, connecting plates and bottom plate arranged in a stacked mode and having fuel gas and oxidized gas channels and inlet and outlet inside. Tanks for sealed materials are set up on the said cover, connecting plate and bottom plate, which have sectional shapes of the same 2n(n is greater than or equal to 2 natural number) polygon, whose corners extend to become long corner with fixing holes, and heating thermo-insulating plates are mounted on the upper and lowersurfaces of polygon stacked planes and the upper cover and bottom plate. The connecting plates are made of ferritic stainless steel.

Description

technical field [0001] The invention belongs to the technical field of fuel cells, and in particular relates to a solid oxide fuel cell (SOFC), in particular to a flat-plate battery stack with a medium-temperature (600-800°C) operating temperature, that is, a flat-plate medium-temperature solid oxide fuel battery stack module. Background technique [0002] At present, there are four main structures of SOFC cell stacks: tube type, bell belt type, flat plate type, and laminated corrugated plate type. The high-temperature reactor mainly adopts a tubular structure, and now the medium-temperature reactor has become the direction of development, and the medium-temperature reactor mainly adopts a flat-plate structure. No matter what kind of stack must solve the gas (fuel gas, oxidizing gas) sealing and separation, current collection and conduction, cooling and heating cycle and other issues. The current typical planar structure is shown in FIG. 1 . Figure 1(a) is a co-flow batte...

Claims

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Application Information

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IPC IPC(8): H01M2/00H01M2/08H01M2/14H01M8/10H01M8/2465
CPCY02E60/10Y02E60/50
Inventor 谢光运崔崑肖建中钱晓良孙尧卿
Owner HUAZHONG UNIV OF SCI & TECH
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