Rechargeable lithium battery having improved reversible...

Details Rechargeable lithium battery having improved reversible... Rechargeable lithium battery having improved reversible...

H - Electricity

01

M

H01M 10/24 (2006.01) H01M 4/04 (2006.01) H01M 10/44 (2006.01) H01M 10/40 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2218709

An improved rechargeable lithium battery is described comprising a transition metal compound as cathode active material and carbonaceous particles as anode active material, having prior intercalated lithium ions in the carbonaceous particles in the anode of the assembled lithium battery, thereby reducing the weight of the cathode active material required. The rechargeable lithium battery has increased energy density per unit weight and per unit volume.

Une batterie au lithium rechargeable améliorée comprend à titre de matériau actif de cathode un composé de métal de transition et à titre de matériau actif d'anode des particules carbonées, des ions lithium ayant été préalablement intercalés dans les particules carbonées dans l'anode de la batterie au lithium assemblée, réduisant ainsi le poids du matériau actif de cathode requis. La batterie au lithium rechargeable présente une densité d'énergie accrue par poids unitaire et par volume unitaire.

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