Sealing method of an electrolytic cell and a sealed electrolytic cell
Adhesive sealing in electrolytic cells addresses high assembly effort and space constraints by creating a solid adhesive bond, simplifying assembly and enabling thinner designs with improved space utilization.
KR102991768B1Active Publication Date: 2026-07-15THYSSENKRUPP UHDE CHLORINE ENGINEERS GMBH
Patent Information
- Authority / Receiving Office
- KR · KR
- Patent Type
- Patents
- Current Assignee / Owner
- THYSSENKRUPP UHDE CHLORINE ENGINEERS GMBH
- Filing Date
- 2022-12-06
- Publication Date
- 2026-07-15
AI Technical Summary
Technical Problem
Existing electrolytic cell designs face high assembly effort and space requirements due to complex sealing processes, particularly in filter press and single-element designs, which limit cell thickness and efficiency.
Method used
A method involving the use of an adhesive sealing material that transforms from a liquid to a solid state to create an adhesive bond between cell elements, eliminating the need for bolts and reducing space requirements, suitable for automated manufacturing.
Benefits of technology
Simplifies assembly, reduces space needs, and allows for thinner electrolytic cells with improved space utilization and reduced mechanical stress, while maintaining electrical insulation.
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Smart Images

Figure 112024065450101-PCT00002_ABST
Abstract
The present invention relates to a method for sealing an electrolytic cell (1) comprising an anode half-cell (2) and a cathode half-cell (3) formed by at least two cell elements (4, 5) and a sheet-type separator (6) that separates the half-cells (2, 3) from each other, the method comprising: providing two cell elements (4, 5) and a sheet-type separator (6); interposing the separator (6) between the two cell elements (4, 5), and interposing a layer of sealing material (7, 8) between the respective sides of the separator (6) and the two cell elements (4, 5) at the respective rim regions (9, 10) of the cell elements (4, 5). The invention includes the step of sealing an electrolytic cell (1), wherein a force (F) is applied to cell elements (4, 5) to compress rim regions (9, 10), and the sealing material (7, 8) is an electrical insulating material, and during the sealing step, the state of the sealing material changes from a liquid state to a solid state, thereby creating an adhesive bond between the cell elements (4, 5) and the interposed separator (6) by the sealing material (7, 8), and the force (F) is relieved when the sealing material solidifies. The invention also relates to a sealed electrolytic cell obtainable by this method.
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