Abstract
The invention relates to a novel operating electrolyte on the basis of glycol/boric acid/borate, which contains, as an inhibitor protecting the aluminum oxide layer from corrosion, a weak acid with an organic backbone, said acid group being selected from carboxylic acid, sulfonic acid, phosphonic acid or an acidic derivative of said acids.
Original language | German |
---|---|
IPC | H01G 9/ 022 A I |
Patent number | DE10020928 |
Priority date | 28/04/2000 |
Priority number | DE20001020928 |
Publication status | Published - 8. Nov 2001 |
Externally published | Yes |