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Test conjoined electrolytic bath provided with assisted ventilation chamber

A technology for assisting ventilation and testing cells, applied in the direction of electrochemical variables of materials, etc., can solve problems such as offset, and achieve the effects of reducing signal-to-noise ratio, improving intrinsic activity, and improving mass transfer efficiency.

Inactive Publication Date: 2013-09-25
BEIJING UNIV OF TECH
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the bubble disturbance and the offset of the reference electrode potential during the test of the traditional single electrolytic cell

Method used

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  • Test conjoined electrolytic bath provided with assisted ventilation chamber
  • Test conjoined electrolytic bath provided with assisted ventilation chamber

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Experimental program
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Embodiment 1

[0026] For the electrical performance test of the fuel cell catalyst, the device is firstly tested according to the attached figure 1 Assemble. First, fill an appropriate amount of electrolyte in the test cell 15, the auxiliary ventilation chamber 20, the connecting pipe 12 between the reference hydrogen reference electrode chamber and the test cell, the test cell, and the auxiliary ventilation chamber, and the electrolyte is 0.1mol L -1 HClO 4 solution; secondly, fill an appropriate amount of 1mol L in the reference hydrogen reference electrode filling pipe 6 -1 HClO 4 Solution, fix and seal the reference hydrogen reference electrode to the reference hydrogen reference electrode liquid tube 6 with a platinum-plated black platinum sheet 10, and fix and seal the reference hydrogen reference electrode liquid tube 10 to the test cell to be compared with the reference hydrogen reference electrode. On the connection pipe 12 between the electrode chambers; the third, through the ...

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Abstract

A test conjoined electrolytic bath provided with an assisted ventilation chamber is suitable for the electric performance test field of a fuel-cell catalyst. The test conjoined electrolytic bath mainly comprises three parts, namely a test pool, an assisted ventilation chamber and a reference hydrogen reference electrode chamber. The test pool is provided with a working electrode, a counter electrode with a platinum sheet and a glass core mounted at an inlet air pipe end. The reference hydrogen reference electrode chamber contains a reference hydrogen reference electrode liquid storage tube, a connecting pipe arranged between the reference hydrogen reference electrode chamber and the test pool, and a reference hydrogen reference electrode provided with an inlet air pipe and a platinum black plated platinum sheet. The reference hydrogen reference electrode chamber is connected with the test pool through the connecting pipe. The assisted ventilation chamber is provided with the inlet air pipe. The connecting pipe is fixed between the assisted ventilation chamber and a test cabinet. And the inlet air pipe faces a port of the connecting pipe. A porous glass plug is also arranged inside the connecting pipe.

Description

technical field [0001] The invention relates to a new type of one-piece electrolytic cell equipped with an auxiliary ventilation chamber for testing, which is characterized in that the auxiliary ventilation chamber can help to weaken the disturbance of the electrolyte in the test cell caused by the fluctuation of the ventilation bubbles, and reduce the signal noise of the test curve Than, better reflect the intrinsic activity of the tested substance. In addition, the reference hydrogen reference electrode uses a platinum-coated black platinum sheet, and fills the liquid tube with 1mol L -1 perchloric acid (HClO 4 ) solution, pure hydrogen prepared by electrolysis, and the external environment through the liquid seal device, making it closer to the ideal hydrogen standard electrode. The integrated electrolytic cell can be widely used in the field of electrical performance testing of fuel cell catalysts. Background technique [0002] As a high-efficiency green energy conver...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/28
Inventor 李钒王岩宫宏宇王义智安振涛
Owner BEIJING UNIV OF TECH
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