Abstract
Porous gas-permeable sub-structure has a smooth surface formed by a sealed edge zone. The edge zone and a support structure surrounding the zone is produced from a uniform material mixture of sinterable particles. The porosity of the support structure is 30 vol.%. The pore size of the edge zone is 10 mu m. An Independent claim is also included for an electrochemically active element containing the sub-structure.
| Translated title of the contribution | Porous gas permeable substructure layer of a thing gas impervious layer for use as |
|---|---|
| Original language | German |
| IPC | H01M4/86 |
| Patent number | EP1246288 A1 |
| Filing date | 01/03/2002 |
| Publication status | Published - 2013 |
| Externally published | Yes |
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