Direct flame type solid oxide fuel battery pack and preparation method thereof

A technology of solid oxide and fuel cell stacks, applied in the field of electrochemical power generation, can solve the problems of high cost and complicated preparation process, and achieve the effects of low production cost, uniform heat distribution and stable performance

Inactive Publication Date: 2010-09-01
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a direct flame solid oxide fuel cell stack and its preparation method in order to solve the problems of complex preparation process and high cost of the existing direct flame solid oxide fuel cell stack

Method used

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  • Direct flame type solid oxide fuel battery pack and preparation method thereof
  • Direct flame type solid oxide fuel battery pack and preparation method thereof
  • Direct flame type solid oxide fuel battery pack and preparation method thereof

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specific Embodiment approach 1

[0015] Specific implementation mode one: the following combination Figure 1 to Figure 18 Describe this embodiment, this embodiment includes a high temperature resistant insulating sheet support 1, a plurality of conductive grids 2, a plurality of wires 3 and a plurality of single cells 4,

[0016] A plurality of holes are arranged on the high-temperature-resistant insulating sheet support body 1, and each hole is covered with a conductive mesh 2, the conductive mesh 2 is fixedly connected with the high-temperature-resistant insulating sheet support body 1, and each conductive mesh 2 is glued on the upper surface A single cell 4, the bonding surface of the single cell 4 and the conductive network 2 is an anode, and a plurality of single cells 4 are connected in series, parallel or mixed through the wire 3 to form a battery pack, and the cathode and anode of the battery pack are drawn out by the wire 3 .

[0017] In this embodiment, the size of the hole on the high-temperature...

specific Embodiment approach 2

[0019] Specific implementation mode two: the following combination Figure 1 to Figure 3 This embodiment is described. The difference between this embodiment and Embodiment 1 is that a conductive mesh 2 is provided between the wire 3 and the high-temperature-resistant insulating sheet support 1 . Other components and connections are the same as those in Embodiment 1.

[0020] The conductive wire 3 is fixed on the conductive net 2 with a conductive paste adhesive, the conductive net 2 can prevent the flame from directly contacting the conductive wire 3 during combustion, and can prevent the conductive wire 3 from being fused. At the same time, the catalyst can be deposited on the conductive net 2, which is beneficial to improve the electrochemical catalytic performance and anti-carbon deposition performance of the battery pack.

specific Embodiment approach 3

[0021] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that it also includes a catalyst layer, and the surface of the conductive grid 2 is covered with a catalyst layer. Other compositions and connections are the same as those in the first or second embodiment.

[0022] Attaching the catalyst on the conductive net can improve the electrochemical performance of the battery pack of the present invention. The catalyst layer can be realized by means of impregnation, coating and the like.

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Abstract

The invention discloses a direct flame type solid oxide fuel battery pack and a preparation method thereof, and belongs to the field of electrochemical power generation. The preparation method solves the problems that the preparation process of the traditional direct flame type solid oxide fuel battery pack is complex and has high cost. A plurality of holes are arrayed on a heat-resisting insulating thin plate supporter; a conducting net is covered on each hole; a single battery is adhered to the upper surface of each conducting net; a plurality of single batteries are connected in series, in parallel or in series and parallel through leads to form the battery pack; and the cathode and the anode of the battery pack are led out by the leads. The preparation method comprises the following steps of: digging the plurality of holes on the heat-resisting insulating thin plate supporter and covering the conducting net on each hole; adhering the single battery to the upper surface of each conducting net by using conducting slurry and performing heat treatment to cure and stabilize the single battery at the temperature of between 50 and 500 DEG C; and connecting the plurality of single batteries in series, in parallel or in series and parallel through the leads to form the battery pack, and leading the cathode and the anode of the battery pack out through the leads. The direct flame type solid oxide fuel battery pack of the invention is used for providing electric energy and heat energy.

Description

technical field [0001] The invention relates to a direct flame type solid oxide fuel cell group and a preparation method thereof, belonging to the field of electrochemical power generation. Background technique [0002] Solid Oxide Fuel Cell (SOFC) is a power generation device that directly converts the chemical energy of fuel into electrical energy. It has the advantages of high efficiency, low pollution and wide range of fuel sources. Its practical application value is reflected in the interconnection of multiple single cells to form a battery pack to obtain higher output voltage and output power. [0003] Combustion of traditional double-chamber SOFC requires fuel gas to be fed to the anode, and sealing materials are required to connect them to each other to form a battery pack. Due to problems such as matching between the sealing material and the single cell components, the sealing process is complicated, which restricts The commercialization process of SOFC. Although ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/24H01M2/20H01M4/90H01M2/00H01M8/2404H01M8/2418H01M8/2465
CPCY02E60/50Y02P70/50Y02E60/10
Inventor 关成志吕喆白阳朱星宝刘明良魏波黄喜强张耀辉朱瑞斌苏文辉
Owner HARBIN INST OF TECH
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