A solid oxide fuel cell power generation system and method based on ethanol fuel

Abstract

The invention discloses a solid oxide fuel cell power generation system and method based on ethanol fuel. The system includes a fuel storage heating bin provided with a water bath heating system, an air source communicating with an air pipe, and a heavy-duty regenerator for carrying out a partial oxidative reforming reaction. The whole device, a battery stack composed of tubular solid oxide fuel cells, and a power converter electrically connected to the battery stack, the fuel storage and heating chamber is filled with ethanol-water mixture, the gas pipe extends into the bottom of the mixture, and the interior of the fuel storage and heating chamber The first pipeline is connected to the inlet of the reformer, the outlet of the reformer is connected to the anode gas channel in the battery stack through the second pipeline, the cathode gas channel of the reformer is communicated with the outside air, and the battery stack outputs DC power to the outside. After being converted by a power converter, it can supply power to an external load; it can directly convert the chemical energy of ethanol into electrical energy, which is not limited by the efficiency of the Carnot cycle, with high power generation efficiency, no noise in the power generation process, portable and environmentally friendly, and high fuel utilization.

Description

technical field [0001] The invention relates to the field of ethanol utilization, in particular to a solid oxide fuel cell power generation system and method based on ethanol fuel. Background technique [0002] With the increasingly prominent contradiction between economic and social development, energy shortage and environmental pollution, fuel cells are gradually entering our lives as a green power source with high energy density and low pollution. Traditional batteries such as lithium-ion batteries and zinc-air batteries have long charging time, low energy density, short lifespan, pollute the environment, and cannot meet the requirements of the development of portable electronic products. Therefore, the study of portable small fuel cells is of great importance to the ecological environment and many fields of life. significance. Due to the small power of small fuel cells, the entire fuel cell system is required to be compact, so the structural design of small fuel cell sy...

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Problems solved by technology

Traditional batteries such as lithium-ion batteries and zinc-air batteries have long charging time, low energy density, short life, pollute the environment, and cannot meet the requirements of the development of portable electronic products. Therefore, research on portable small fuel cells is of great importance to the ecological environment and many areas of life. significance

Due to the small power of small fuel cells, the entire fuel cell system is required to be compact, so the structural design of small fuel cell systems is more challenging. For small power fuel cells, the most important requirements are lightness and high energy density, but small fuel cells The compatibility with electrical appliances is poor. In addition to meeting the high output power density, how to organically integrate the fuel cell stack and the energy unit of the fuel device to form a small power supply is currently a problem that needs to be solved. How to improve the electrical performance of the fuel cell is also the most concerned issue. one

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