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US 2003/0194601 A1Published application
Header for rechargeable lithium batteries
AssigneeE-One Moli Energy (Canada) Limited
InventorSteven Kenneth Lei
Life of this patent
Estimating the term…
Abstract
A header for rechargeable lithium batteries, which incorporates a riveted disconnect mechanism. The header is especially useful for rechargeable lithium batteries for high power applications.
Claims4
A non-aqueous cylindrical rechargeable lithium battery comprising a lithium insertion compound cathode;
- a lithium compound anode;
- a non-aqueous electrolyte;
- and a pressure activated electrical disconnect device which does not constrict the lines of electrical current to flow through a loop less than ⅕th of the battery diameter;
- said disconnect device activating at a predetermined internal pressure during overcharge abuse.
1 more element
A non-aqueous rechargeable lithium battery with a header comprising a cap with tear-tabs at the vent holes, a rupture disc, an insulating disc, an annular weld plate that snaps fit in a polypropylene gasket, wherein the annular weld plate is riveted to the rupture disc.
Dependencies are inferred from the claim text.