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Tubular solid oxide fuel cell current collection connection structure

A solid oxide, connecting structure technology, applied in the direction of fuel cells, structural parts, battery pack parts, etc., can solve the problems of different deformation, damage to the battery structure, and extremely high requirements.

Active Publication Date: 2020-11-20
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional way is to connect the cathodes of multiple batteries by winding silver or platinum wires; another way is to set a fixed cathode collector tank and fix the battery in the cathode collector tank. The method has extremely high requirements on the production process of the battery and the consistency of the battery, and in high-temperature operation, the deformation of the battery and the cathode collector tank is different, resulting in a contact gap and greater ohmic impedance. In addition, the fixed cathode collector tank The stress between the battery and the battery will cause structural damage to the battery

Method used

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  • Tubular solid oxide fuel cell current collection connection structure
  • Tubular solid oxide fuel cell current collection connection structure
  • Tubular solid oxide fuel cell current collection connection structure

Examples

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Embodiment 1

[0034] A tubular solid oxide fuel cell (SOFC) collector connection structure, the collector connection structure includes a base 1 , a top cover 2 , a collector column 3 , a fixed column 4 and a collector network 5 .

[0035] The top view of the base 1 in this embodiment is as follows figure 2 As shown, the main view is as image 3 shown. The base 1 is square with a length of 3.5 cm and a thickness of 0.5 cm. The base 1 is provided with 4 through holes as the accommodation holes, and the central line is rectangular, which are the accommodation holes 1-a 9 on the upper left, the accommodation holes 1-b10 on the lower left, and the accommodation holes 1-c 11 on the lower right And the upper right receiving hole 1-d 12, there are also two blind holes as fixing holes, fixing hole 1-A13 and fixing hole 1-B 14, the inner diameter of the receiving hole is 1.1 cm. The inner diameter of the fixing hole 1-A13 and the fixing hole 1-B14 is 0.3 cm, the depth is 0.4 cm, and there are th...

Embodiment 2

[0040] A tubular solid oxide fuel cell (SOFC) collector connection structure, the collector connection structure includes a base 1, a top cover 2, a collector column 3, a fixed column 4 and a collector network 5, such as Figure 9 shown. Among them, the centers of the four accommodation holes on the base 1 are in a straight line. From left to right, they are the accommodation holes 1-a 9, the accommodation holes 1-b 10, the accommodation holes 1-c 11 and the accommodation holes 1-d 12, and the fixing holes 1-A13 is located at the left end, and the fixing hole 1-B 14 is located at the right end, such as Figure 8 shown. according to Figure 10 In the manner shown, four tubular SOFCs are interspersed and wound in the order of tubular SOFC 0-424, tubular SOFC 0-323, tubular SOFC 0-2 22, and tubular SOFC 0-1 21. The other parts are the same as in Embodiment 1. It can be seen that the angle of the collector grid 5 covering the tubular SOFC is 84°-85°, and the covering angle can ...

Embodiment 3

[0042] A tubular solid oxide fuel cell (SOFC) collector connection structure, the collector connection structure includes a base 1, a top cover 2, a collector column 3, a fixed column 4 and a collector network 5, such as Figure 12 shown. Among them, the center line of every three accommodation holes on the base 1 is triangular, and there are four accommodation holes in total. From left to right, they are accommodation holes 1-a9, accommodation holes 1-b10, accommodation holes 1-c11 and accommodation Hole 1-d 12, fixing hole 1-A 13 is at the left end, fixing hole 1-B 14 is at the right end, such as Figure 11 shown. according to Figure 13 In the manner shown, four tubular SOFCs are interspersed and wound in the order of tubular SOFC 0-4 24, tubular SOFC 0-3 23, tubular SOFC 0-2 22, and tubular SOFC 0-121. The other parts are the same as in Embodiment 1. It can be seen that the angle at which the collector network 5 covers the tubular SOFC ranges from 214° to 217°, and the ...

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Abstract

The invention relates to a tubular solid oxide fuel cell current collection connection structure. The current collection connection structure comprises a base, a top cover, current collection columns,a fixing column and a current collection net; the electrolyte ends of tubular SOFCs are inserted into accommodating holes of the base; the current collection columns and the fixing column are fixed on the base; one end of the current collection net is fixed on the fixing column and wind the plurality of tubular SOFCs in a staggered manner, are connected with the cathodes of the tubular SOFCs; thecurrent collection net is connected with the cathodes of the tubular SOFCs by using a conductive adhesive; the other end of the current collection net is fixed on the current collection columns; andthe current collection net is connected with the current collection columns by using the conductive adhesive; and the anode ends of the tubular SOFCs are inserted into the accommodating holes of the top cover; and the upper ends of the current collection columns are inserted into top cover positioning holes. The connection structure can be efficiently connected with a current collector of an external cathode and is applied to parallel connection of more than two tubular solid oxide fuel cells, and formed power generation units can be further connected in series and in parallel to form requiredoutput.

Description

technical field [0001] The invention relates to a tubular solid oxide fuel cell current collecting connection structure, which belongs to the technical field of fuel cells. Background technique [0002] As a device that can directly convert chemical energy into electrical energy, fuel cells are not limited by the efficiency of the Carnot cycle compared with traditional internal combustion engines, and have the characteristics of high efficiency, self-cleaning, safety and reliability. At present, fuel cells generally adopt a sandwich structure, that is, a pair of electrodes (anode and cathode) are separated by an electrolyte in the middle, and the electrolyte can only allow a single type of ion to pass through according to requirements. Compared with other types of fuel cells, solid oxide fuel cells (SOFC) not only have the common characteristics of fuel cells such as high efficiency and environmental friendliness, but also have a wide range of fuel applications, and can use ...

Claims

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Application Information

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IPC IPC(8): H01M2/20H01M8/2475
CPCH01M8/2475Y02E60/50
Inventor 李广东王振华孙克宁勾匀婕
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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