Engine and solid oxide fuel cell combined power system

A solid oxide and fuel cell technology, applied in the direction of power system fuel cells, fuel cells, fuel cell applications, etc., can solve problems such as danger and difficulty in obtaining, and achieve high energy utilization, improve applicability, and reduce emissions Effect

Pending Publication Date: 2021-06-25
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most SOFC reaction gas fuels are CO, CO 2 、H 2 Such as industrial g...

Method used

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  • Engine and solid oxide fuel cell combined power system
  • Engine and solid oxide fuel cell combined power system

Examples

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Embodiment Construction

[0029] When the liquid fuel source is a kind of in gasoline, alcohol, ether among the present invention, engine and SOFC device can share a liquid fuel source, and its structure diagram is as follows figure 1 As shown, when the liquid fuel source is a fuel that cannot be combusted in the engine, the system also includes an engine fuel source that provides fuel for the engine, and its structural diagram is as follows figure 2 shown.

[0030] The technical solution of the present invention will be described in detail below by taking gasoline as the liquid fuel source as an example, but the scope of protection of the present invention is not limited to the examples.

[0031] like figure 1 As shown, a combined power system of an engine and a solid oxide fuel cell, the present invention includes a liquid fuel source 1, an air compressor 2, a water tank 3, a water pump 4, an engine 5, an SOFC device 6, a vaporization device 7, and a pre-reforming device 8. EGR system 9, exhaust g...

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Abstract

The invention discloses an engine and solid oxide fuel cell combined power system, which relates to the field of design optimization of power mechanical systems and energy systems and comprises an SOFC liquid fuel supply device, an SOFC device and an engine, wherein the SOFC liquid fuel supply device comprises a liquid fuel source, a vaporization device, a first pressurized mixing device and a pre-reforming device; the liquid fuel source is introduced into the vaporization device, is subjected to a vaporization reaction by the vaporization device, is introduced into the first pressurized mixing device to be mixed with water vapor, is introduced into the pre-reforming device to be reformed, and is communicated to an anode of the SOFC device to be subjected to an oxidation reaction; compressed air is input into a cathode of the SOFC device for a reduction reaction; and tail gas of the engine provides heat needed by operation for the SOFC liquid fuel supply device and the SOFC device through a heat exchanger. The system can effectively utilize the tail gas waste heat of the engine to provide a temperature environment for the operation of the SOFC device.

Description

technical field [0001] The invention relates to the design optimization field of a power machinery system and an energy system, in particular to a combined power system of an engine and a solid oxide fuel cell. Background technique [0002] With the increasingly serious environmental pollution and energy depletion problems, the efficient use of engine exhaust energy and the overall energy saving and emission reduction of automobiles have become the trend and requirement of industry development at the current stage. As a kind of mobile power source, solid oxide fuel cell (SOFC) has attracted widespread attention due to its advantages of high power generation efficiency and low emission. [0003] Due to the limitations of material heat resistance and long start-up time, SOFC medium and low temperature (≤600°C) is the trend and requirement of industry development. The exhaust gas temperature of automobile engine is highly consistent with the requirement of low temperature (≤60...

Claims

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Application Information

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IPC IPC(8): H01M8/04014H01M8/0612F02G5/02F02M26/36
CPCH01M8/0618H01M8/04014F02G5/02F02M26/36H01M2250/20H01M2250/407Y02T10/12Y02E60/50
Inventor 魏胜利马万达杜振华杨帆孙林肖吴李荣
Owner JIANGSU UNIV
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