Solid oxide fuel cell and fluidized bed integrated power generation device and method

A solid oxide, fuel cell technology, applied in solid electrolyte fuel cells, fuel cells, granular/powder fuel gasification, etc., can solve the problems of low carbon fuel reactivity, limited contact between solid fuel and electrodes, etc. The effect of improving battery performance, beneficial to battery performance, beneficial to integration and assembly

Pending Publication Date: 2021-07-09
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the problems existing in the prior art, the present invention provides a solid oxide fuel cell and fluidized bed integrated power generation device and method, which effectively solve the problems of limited contact between solid fuel and electrodes and low reactivity of carbon fuel itself. question

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  • Solid oxide fuel cell and fluidized bed integrated power generation device and method
  • Solid oxide fuel cell and fluidized bed integrated power generation device and method
  • Solid oxide fuel cell and fluidized bed integrated power generation device and method

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Embodiment 1

[0040] 1) The device includes 64 tubular solid oxide fuel cell cells 2, fuel containing solid carbon, fluidized bed gasifier, air distribution plate, several connecting pipes, current collecting wires, and exhaust gas circulation device.

[0041] 2) The outer diameter of the tubular solid oxide fuel cell 2 is 1.4cm, the inner diameter is 1cm, and the height is 10cm; the outer diameter of the connecting pipe is 1.3cm, and the inner diameter is 1cm; coal powder with a particle size of 50-150 microns is used as solid carbon fuel.

[0042] 3) Each group of fuel cell stacks is composed of three tubular solid oxide fuel cell cells 2 connected end-to-end through connecting pipes ( figure 2 ), the connecting pipe and the fluidized bed gasifier are fixed by welding. The monomers of each fuel cell group are connected in series through current-collecting wires.

[0043] 4) Drill 4*4 holes with a diameter of 1.3cm on the top of the fluidized bed gasifier and the air distribution plate ...

Embodiment 2

[0049] 1) The device includes 105 tubular solid oxide fuel cell cells 2, solid carbon fuel, fluidized bed gasifier, air distribution plate, several connecting pipes, current collecting wires, and exhaust gas circulation device.

[0050] 2) The outer diameter of the tubular solid oxide fuel cell 2 is 1.4cm, the inner diameter is 1cm, and the height is 10cm; the outer diameter of the connecting pipe is 1.3cm, and the inner diameter is 1cm; coconut shells with a particle size of 75-300 microns are used as solid carbon fuel.

[0051] 3) Each group of fuel cell stacks is composed of three tubular solid oxide fuel cell cells 2 connected end-to-end through connecting pipes ( figure 2 ), the connecting pipe and the tubular solid oxide fuel cell unit 2 are fixed by welding. The monomers of each fuel cell group are connected in series through current-collecting wires.

[0052] 4) Drill 5*7 holes with a diameter of 1.3cm on the top of the fluidized bed gasifier and the air distributio...

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Abstract

The invention provides a solid oxide fuel cell and fluidized bed integrated power generation device and method. The solid oxide fuel cell and fluidized bed integrated power generation device comprises a fluidized bed gasification furnace, and a plurality of tubular solid oxide fuel cell monomers are coaxially arranged in the fluidized bed gasification furnace in the longitudinal direction; and every two adjacent tubular solid oxide fuel cell monomers are communicated end to end through a connecting pipe to form a fuel cell stack. A fluidized bed reactor is used for gasifying the solid carbon fuel, so that the problems of charging, limited contact between the solid fuel and an electrode and low reaction activity of the carbon fuel are solved; moreover, the fuel cell and the carbon gasification reaction are directly integrated, so that carbon particles can be directly gasified by CO2 generated by the electrochemical reaction of the fuel cell, and the carbon gasification reaction is promoted; and the heat generated by the SOFC can be directly supplied to the heat absorption process of carbon gasification, so that the energy loss is reduced, and the higher energy conversion rate is realized.

Description

technical field [0001] The invention relates to fuel cell technology, in particular to a power generation device and method integrating a solid oxide fuel cell and a fluidized bed. Background technique [0002] Compared with the traditional thermal power generation method, fuel cell technology is a power generation method that can directly convert chemical energy in fuel into electrical energy. It is not limited by the Carnot cycle and has the advantages of high efficiency, cleanliness, and low noise. Solid oxide fuel cell (SOFC) is a typical high-temperature fuel cell (600-1000°C). Compared with other fuel cells, the high-temperature working environment has the advantages of low catalyst cost, strong fuel compatibility, and high fuel energy conversion rate. Direct carbon solid oxide fuel cell (DC-SOFC) uses solid carbonaceous fuel directly, the total reaction C(s)+O 2 (g)→CO 2 (g), its theoretical efficiency can reach 100%. Compared with gaseous fuels such as hydrogen an...

Claims

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Application Information

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IPC IPC(8): H01M8/0612H01M8/12C10J3/56C10J3/72
CPCC10J3/56C10J3/72H01M8/0612H01M8/12Y02E60/50
Inventor周强张东旭闵婷郝文斌
OwnerXI AN JIAOTONG UNIV