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Anode support tube type solid oxide fuel cell and assembling method thereof

A solid oxide and fuel cell technology, applied in the direction of solid electrolyte fuel cells, fuel cells, fuel cell components, etc., can solve the problems of unsuitable power collection and stacking methods, and achieve simple structure and high heat utilization efficiency , The effect of easy processing accuracy

Inactive Publication Date: 2013-05-08
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example: Siemens-Westinghouse uses the plasma spraying method to prepare doped lanthanum chromate connector strips along the axis of the tube. The stacks are installed in parallel between rows and connected in series between rows, which is more suitable for large-scale stack assembly; However, the battery used by the company is a cathode-supported battery, and its power collection and stacking method is not suitable for the anode-supported tubular SOFC

Method used

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  • Anode support tube type solid oxide fuel cell and assembling method thereof
  • Anode support tube type solid oxide fuel cell and assembling method thereof
  • Anode support tube type solid oxide fuel cell and assembling method thereof

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Embodiment Construction

[0025] Such as figure 1 As shown, an anode support tubular solid oxide fuel cell has a battery body 3; both ends of the battery body 3 are open, and one end of the battery body 3 is equipped with a metal connector head 1, and the metal connector head 1 is connected to the battery The gaps between the main bodies 3 are filled with sealing slurry; a cathode current collector 4 is provided in the middle of the outer tube wall of the battery body 3, and an anode current collector 2 is provided around the inner tube wall and at the closed end. A fuel cavity is formed between the two, and a fuel intake pipe 5 is installed in the fuel cavity.

[0026] In this embodiment, the metal connecting body head 1 is made of a heat-resistant alloy, and the machining accuracy is easy to control. The anode current collector 2 is made of porous Ni felt, and the porous Ni felt is used for current collection. Due to its high electrical conductivity, it can help reduce the internal resistance of the...

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Abstract

The invention discloses an anode support tube type solid oxide fuel cell and an assembling method thereof, which relates to the cell application field. A metal connecting body shell cover of the cell is arranged on the top end of an anode support electrolyte tube, seals the gas of the end, and simultaneously exports the electric current of the anode. The electric current inside the anode is collected by porous Ni felt and guided to the closed end. At the other end of a cell tube, a heat-resisting ceramic tube or a heat-resisting alloy tube is used as a gas-guide tube, and the gas-guide tube preheats or reforms normal temperature fuel gas simultaneously when guiding the normal temperature fuel gas. When the gas is imported to the closed end, temperature and composition of the gas meet the requirement of power generation, so that power generation can be carried out during inverse flow of the gas. Remaining fuel tail gas after power generation combusts instantly when getting in touch with the air at the mouth of the tube, and the heat energy is recovered. Anode support tube type solid oxide fuel cell and assembling method thereof have the advantages that: the electric current collecting position is moved to the closed end from the inner side of the cell, and the structure of an assembled electric pile is simple and compact, and the value of the power can be adjusted.

Description

technical field [0001] The invention relates to the field of fuel cell preparation and application, in particular to an anode support tubular solid oxide fuel cell and an assembly method thereof. Background technique [0002] Fuel cell is a new type of energy technology, which is characterized by high efficiency, cleanliness, safety and reliability. In addition to the common advantages of general fuel cells, solid oxide fuel cells (SOFCs) are more efficient and have fuel universality. Its all-solid-state, modular design also allows it to meet a variety of application needs from small portable power supplies to large power generation equipment. Since the working voltage of the SOFC single cell is only about 1V, in practical applications, it is necessary to use the connector to assemble the single cell into a stack to increase its output voltage and output power. Due to the surface characteristics of the curved surface, the current collection of tubular SOFC has always be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/10H01M8/02H01M4/86H01M8/0273H01M8/028H01M8/1286
CPCY02E60/521Y02E60/50
Inventor 王绍荣高庆宇邵乐魏涛袁春邓波刘晓娟郑菊花
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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