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Preparation method for carbon fuel of high-activity direct carbon fuel cell

A fuel cell and fuel preparation technology, applied in fuel cells, carbon preparation/purification, circuits, etc., can solve problems such as increasing contact area, unacceptable metal ions, and poor infiltration effect of pure carbon solid materials, etc., to achieve Easy to operate, simple steps, beneficial effect on environmental protection

Inactive Publication Date: 2018-11-02
惠州大亚湾艾利荣化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the infiltration effect of pure carbon solid materials in carbonate is not very good, and the increase of contact area is limited, and artificial addition of metal ions is not advisable in scale-up production.

Method used

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  • Preparation method for carbon fuel of high-activity direct carbon fuel cell
  • Preparation method for carbon fuel of high-activity direct carbon fuel cell
  • Preparation method for carbon fuel of high-activity direct carbon fuel cell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kind of bamboo carbon fuel preparation method of highly active direct carbon fuel cell, comprises the following steps:

[0019] Bamboo fiber is used as a renewable biomass raw material and crushed. Add appropriate amount of mechanically crushed bamboo fiber into the open container, put the bamboo fiber together with the open container into the tube heating furnace, and pass it into the nitrogen removal furnace. The air in the cavity, and maintain a nitrogen atmosphere, first heat at 50-120°C for a period of time to dry the bamboo fiber, then quickly raise the temperature to about 400-800°C, heat for more than 8 hours, and finally slowly under the protection of nitrogen Cool to room temperature, promptly obtain described highly active bamboo carbon fuel. The resulting bamboo carbon fuel is characterized, and the test results are detailed in figure 1 and Table 1.

[0020] Table 1 Bamboo fiber carbon fuel X-ray photoelectron spectroscopy characterization results

[00...

Embodiment 2

[0024] A method for preparing waste paper carbon fuel for a high-activity direct carbon fuel cell, comprising the following steps: taking waste paper boxes as solid waste and performing crushing treatment, adding an appropriate amount of mechanically crushed waste paper boxes into an open container, and Put the waste cartons together with the open container into the tubular heating furnace, pass nitrogen gas to remove the air in the furnace cavity, and keep the nitrogen atmosphere, first heat at 50-120°C for a period of time, dry the waste paper scraps, and then Rapidly raise the temperature to about 400-800°C, heat for more than 8 hours, and finally cool slowly to room temperature under the protection of nitrogen to obtain the highly active waste paper carbon fuel. Characterize the obtained waste paper carbon fuel, the test results are detailed in figure 2 and Table 2.

[0025] pass figure 2 It can be seen from Table 2 that the waste paper carbon fuel prepared by this met...

example

[0029] An example of the performance of a direct carbon fuel cell using bamboo carbon as fuel is listed below

[0030] Mix the above-mentioned bamboo carbon fuel and eutectic carbonate in a mass ratio of 1:1, put it into a straight carbon fuel cell device, and test the performance of the battery at 700 degrees Celsius. The obtained performance curve is shown in image 3 ;Depend on image 3 It can be seen that the straight carbon fuel cell made of bamboo carbon fuel has good battery performance.

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Abstract

The invention relates to a preparation method for a carbon fuel of a high-activity direct carbon fuel cell. The preparation method comprises the following steps of smashing and mixing carbon-rich regenerative biomass or / and solid waste, and throwing the mixture into a high-temperature coking device to obtain the carbon fuel under a condition of no oxygen or oxygen insufficiency after drying. The preparation method for the carbon fuel of the high-activity direct carbon fuel cell is simple in step, and the fuel cell belongs to an amorphous structure, has relatively large specific surface area and is more easily immersed in molten carbonate bath under a working condition of the direct carbon fuel cell; meanwhile, the carbon fuel particle contains many active constituents, an effect of activating and catalyzing carbon oxidization reaction is achieved, and an effect of improving current conduction is also achieved; the preparation method is easy to operate, and amplification engineering iseasy to implement; and more importantly, the utilized carbon source comes from the solid waste and the regenerative biomass, which is very beneficial for reducing environmental damage and reducing consumption of non-renewable resources.

Description

technical field [0001] The invention relates to a carbon fuel preparation method for a high-activity straight carbon fuel cell. Background technique [0002] A direct carbon fuel cell is a device that converts chemical energy into electricity. It uses carbon as a raw material to directly convert the chemical energy of carbon into electrical energy; instead of applying the traditional process: through the combustion of carbon, the chemical energy is converted into thermal energy, and then the thermal energy is converted into mechanical energy through a steam turbine, which then drives the generator to generate electrical energy. . Because there is no conversion of heat energy, there is no constraint on the upper limit of the efficiency of the Carnot cycle. Theoretically, the power generation efficiency of direct carbon fuel cells can reach 100%, which can be said to be a revolutionary improvement compared with the existing thermal power generation efficiency of about 30%. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0612C01B32/05
CPCC01P2002/85C01P2006/40H01M8/0612Y02E60/50
Inventor 郝文斌唐炜吴君石弭永利
Owner 惠州大亚湾艾利荣化工科技有限公司
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