Double-purpose oxygen pole used for integral reproducible fuel battery and its manufacturing method

A double-effect oxygen electrode and fuel cell technology, which is applied to fuel cell components, fuel cells, battery electrodes, etc., to achieve the effects of easy pore structure and pore distribution, improved cycle life, and high battery performance

Inactive Publication Date: 2007-05-23
SUNRISE POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In the domestic and foreign patents, there is no patent about the use of an integrated regenerative fuel cell double-effect oxygen electrode with a multi-functional diffusion layer with a catalytic leveling layer

Method used

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  • Double-purpose oxygen pole used for integral reproducible fuel battery and its manufacturing method
  • Double-purpose oxygen pole used for integral reproducible fuel battery and its manufacturing method
  • Double-purpose oxygen pole used for integral reproducible fuel battery and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Weigh out 1.1485 g H 2 IrCl 6 ·XH 2 O dissolved in 530ml 0.038mol L -1 In the NaOH solution, at 40°C, N 2 Stir continuously for 4 h under the same conditions, cool to 5°C, add 0.5 g of Pt black, and add 0.1 mol L -1 HClO 4 Adjust the pH value to 8 to obtain a black-yellow precipitate, filter it with suction, wash it, dry it in vacuum, and sinter it at 500°C for 1 hour to obtain 1 g of IrO loaded on Pt. 2 Catalyst (mass ratio 1:1).

[0045] Cut 2×2.5cm 2 The carbon paper was dipped in 60% PTFE emulsion (polytetrafluoroethylene) for hydrophobic treatment, and then fired at 360° C. for 1 hour to obtain the hydrophobic carbon paper. IrO on 10 mg Pt 2 Add ethanol to the catalyst (mass ratio 1: 1), add 11.1 mg of 60% PTFE emulsion after mixing evenly, obtain a catalytic leveling layer slurry after ultrasonic mixing, apply the slurry evenly on carbon paper, and then heat it at 360°C The multifunctional diffusion layer was obtained by lower firing for 1 hour.

[0046]...

Embodiment 2

[0048] Weigh out 1.1485 g H 2 IrCl 6 ·XH 2 O dissolved in 530ml 0.038mol L -1 In the NaOH solution, at 40°C, N 2 Stir continuously for 4 h under the same conditions, cool to 5°C, add 0.5 g of Pt black, and add 0.1 mol L -1 HClO 4 Adjust the pH value to 8 to obtain a black-yellow precipitate, filter it with suction, wash it, dry it in vacuum, and sinter it at 500°C for 1 hour to obtain 1 g of IrO loaded on Pt. 2 Catalyst (mass ratio 1:1).

[0049] Cut 2×2.5cm 2 The titanium foam is dipped in 60% PTFE emulsion (polytetrafluoroethylene) for hydrophobic treatment, and then baked at 360°C for 1 hour to make it hydrophobic. IrO on 10 mg Pt 2 Add ethanol in the catalyzer (mass ratio 1: 1), add the PTFE emulsion of 11.1 milligrams of 60% after mixing uniformly, obtain catalytic leveling layer slurry after mixing uniformly, slurry is evenly coated on the foamed titanium of hydrophobization, then Calcined at 360° C. for 1 hour to obtain a multifunctional diffusion layer.

[00...

Embodiment 3

[0052] Weigh out 1.1485 g H 2 IrCl 6 ·XH 2 O dissolved in 530ml 0.038mol L -1 In the NaOH solution, at 40°C, N 2 Stir continuously for 4 h under the same conditions, cool to 5°C, add 0.5 g of Pt black, and add 0.1 mol L -1 HClO 4 Adjust the pH value to 8 to obtain a black-yellow precipitate, filter it with suction, wash it, dry it in vacuum, and sinter it at 500°C for 1 hour to obtain 1 g of IrO loaded on Pt. 2 Catalyst (mass ratio 1:1). .

[0053] Cut 2×2.5cm 2 The porous titanium plate was dipped in 60% PTFE emulsion (polytetrafluoroethylene) for hydrophobic treatment, and then baked at 360° C. for 1 hour to make it hydrophobic. IrO on 10 mg Pt 2 Add ethanol in the catalyst (mass ratio 1: 1), add 11.1 mg of 60% PTFE emulsion after mixing uniformly, obtain catalytic leveling layer slurry after mixing uniformly, and evenly coat the slurry on a hydrophobic porous titanium plate , and then fired at 360°C for 1 hour to obtain a multifunctional diffusion layer.

[0054]...

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PUM

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Abstract

The invention relates to a dual-function oxide anode of integral regenerate fuel battery and relative production, wherein it comprises polymer electrolyte film, dual-function catalysis layer and disperse layer; said disperse layer is multifunctional disperse layer, whose substrate is carbon material or metal, with catalysis flat layer above; the flat layer uses corrosion-resistant material as carrier; said carrier has oxygen-analysis catalyst with high electric catalysis activity, and it is mixed with hydrophobic substance and / or porous agent on the substrate. The invention uses the catalyst of flat layer to improve electrolysis function, to avoid electrode corrosion, and adjusts the ration of hydrophilism catalyst, hydrophobic substance, and porous agent, to improve service life of battery.

Description

technical field [0001] The invention relates to an energy storage battery, in particular to a double-effect oxygen electrode for an integrated renewable fuel cell and a preparation method thereof. Background technique [0002] Space technology has a profound impact on the country's comprehensive strength and international status, so the research and development of space technology has been highly valued by countries all over the world. A highly safe and reliable energy system is an important factor to ensure the normal operation of space vehicles such as space stations and satellites. At present, solar cells are used as the main power source of the spacecraft, and space renewable energy is used as the energy storage system to provide the energy needs of the spacecraft in the dark state. [0003] Scientists have conducted a comparative study of various existing technical solutions that can be used in space renewable energy systems, and believe that compared with Li ions, Ni / ...

Claims

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Application Information

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IPC IPC(8): H01M4/86H01M4/90H01M4/92H01M4/96H01M4/88H01M8/02H01M8/0232H01M8/0245
CPCY02E60/50Y02P70/50
Inventor 张华民宋世栋马霄平衣宝廉
Owner SUNRISE POWER CO LTD
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