Method for the balanced charging of a lithium-ion or lithium-polymer battery
CA 2594826 C · Owner: Pellenc (Societe Anonyme) · Inventors: Pellenc, Roger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for the balanced charging of n cells which form a lithium-ion or lithium-polymer battery and which are connected in series. The invention is characterised in that the method consists in monitoring the charge levels of the different cells (1) from the moment (t1) following the beginning of the battery (2) charging operation until said operation ends normally or is interrupted; and as a function of the pre-evaluation of said charge levels either powering all of the cells (1) uniformly or balancing the cell (1) charge levels by powering same in a differentiated manner as a function of the current charge levels thereof.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed January 10, 2006 and granted September 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 10, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.