H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 6/16 (2006.01) H01M 10/40 (2006.01) H01M 4/58 (2006.01)
Patent
CA 2390160
In a method for manufacturing a rechargeable 3V li-ion battery, the anode is manufactured from graphite and is introduced into an electrolyte solution composed on the basis of DN (1,3-dioxolane), with one or more stable salts not polymerizing with DN, such as LiAsF6 (lithium hexafluoroarsenate) or LiClO4 (lithium perchlorate). Added to the electrolyte solution are TBA (tributylamine) as stabilizer as well as additives in a concentration such that the intrinsic safety of the battery is maintained. Further, the anode is provided with an SEI (solid electrolyte interface) film with Li-ion conducting properties.
L'invention porte sur un procédé de fabrication de piles rechargeables de 3 V aux ions lithium selon lequel l'anode de graphite est introduite dans une solution d'électrolyte composée d'une base de DN (1,3-dioxolane), et d'un ou plusieurs sels stables ne polymérisant pas avec le DN, tels que du LiAsF¿6? (hexafluoroarséniate de lithium) ou du LiClO¿4? (perchlorate de lithium). On ajoute à la solution d'électrolyte du TBA (tributylamine) comme stabilisateur, ainsi que des additifs à une concentration maintenant la sécurité intrinsèque de la pile. L'anode est en outre revêtue d'une SEI (interface d'électrolyte solide) présentant les propriétés conductrices des ions Li.
Borden Ladner Gervais Llp
Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk On
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