Ozone generating electrolysis cell

An ozone generation and electrolytic cell technology, which is applied to electrolytic components, electrolytic processes, electrodes, etc., and can solve the problems of unstable operation, decomposition, and unstable compounds of electrolytic cells.

Inactive Publication Date: 2009-02-04
THALES NANOTECHNOLOGIAI RT (HU)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The biggest disadvantage of this method is that lead dioxide is a very unstable compound that is easily decomposed by heat
Therefore, when at a higher temperature, due to the decomposition

Method used

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Examples

Experimental program
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Embodiment Construction

[0017] used in the ozone generating electrolytic cell according to the present invention Figure 1A The electrode structure 10 mainly comprises a negative electrode (or negative electrode) 13, an ozone generating positive electrode (or anode) 16, a proton exchange membrane 15 arranged between the electrodes 13, 16, and the positive electrode 16 connected to the A first (positive electrode or anode side) electrode support 17 on the opposite side of the membrane 15 . The electrode support 17 is arranged on a (anode-side) support 18 which is provided with through-openings 19 for electrical contacting. The electrode 13 is formed on a second (cathode side) electrode support 12 provided on the (cathode side) support 11 .

[0018] The electrode support 12 serves on the one hand to provide electrical contact between an external DC power source (not shown) and the negative electrode 13, and on the other hand to direct the water required for electrolysis to the electrode 13 and to allow...

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PUM

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Abstract

The ozone generating electrolysis cell (10) according to the invention has a negative electrode (13) and an ozone generating positive electrode (16) comprising a mixture of lead dioxide and polytetrafluoroethylene (PTFE). A proton conducting solid electrolytic membrane (15) is arranged between the negative and positive electrodes (13, 16). The ozone generating electrolysis cell (10) also comprises an electrically conducting, liquid and gas permeable first electrode support (17) in contact with a side of the positive electrode (16) located opposite to the membrane (15), wherein said side of the electrode support (17) has a surface covered with a platinum-containing layer. The positive electrode (16) is made of a mixture prepared by the high-pressure compression of lead dioxide grains of colloid size and PTFE filaments having a dimension of at most 1 mm. Furthermore, the negative electrode (13) is adjoined to a side of the membrane (15) located opposite to the positive electrode (16) by a given compressing force and is formed on a surface of a porous second electrode support (12).

Description

technical field [0001] The present invention relates to an ozone generating electrolytic cell comprising a negative electrode, an ozone generating positive electrode comprising a mixture of lead (IV) oxide (called lead dioxide) and polytetrafluoroethylene (PTFE), an a membrane between the negative electrode and the positive electrode, and a liquid and gas permeable conductive first electrode support in contact with one side of the positive electrode, positioned opposite said membrane, the electrode support The side of the portion has a surface covered with a platinum-containing layer. Background technique [0002] Various industrial processes are known that utilize electrolytic cells to produce ozone from water. In these processes, electrolytic cells are used with a central part for effecting electrolysis and thus for generating ozone, said central part comprising an anode (positive electrode), generally in the form of a planar plate, a cathode (negative electrode) of the s...

Claims

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Application Information

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IPC IPC(8): C25B1/13C25B9/08C25B11/04C25B9/19
CPCC25B1/13C25B11/04C25B9/08C25B9/19
Inventor D·绍洛伊N·沃尔高F·邦茨F·达尔瓦T·卡拉纳茨奇L·格德尔哈叙
Owner THALES NANOTECHNOLOGIAI RT (HU)
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