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Research at St Andrews

Connecting contact leads to lithium-based electrodes

Research output: Patent


Scott J. Lilley (Inventor)

School/Research organisations


There is disclosed a method of connecting a lithium electrode to a contact lead in a rechargeable battery. The electrode comprises a sheet or foil of lithium or lithium alloy with a tab protruding from an edge of the sheet or foil. The contact lead comprises an electrically conductive lead with an end portion made of a second metal that does not alloy with lithium and has a plurality of through holes. The end portion of the contact lead and the tab of the electrode are positioned so that there is substantial overlap between the end portion and the tab. The metal of the tab is then caused, for example by pressing and welding, to penetrate through the through holes of the end portion so as to join the electrode to the contact lead. A combination electrode/contact lead assembly made by this method is also disclosed.


Original languageEnglish
Patent numberEP2791998 A1
Priority date15/12/11
Publication statusPublished - 20 Jun 2013

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ID: 249838020