Nonaqueous secondary cell and method for controlling the same

Details Nonaqueous secondary cell and method for controlling the same Nonaqueous secondary cell and method for controlling the same

H - Electricity

01

M

H01M 10/052 (2010.01) H01M 4/133 (2010.01) H01M 4/587 (2010.01) H01M 10/058 (2010.01)

Patent

CA 2332452

A secondary cell provided with a positive electrode, a negative electrode, and a nonaqueous electrolyte containing a lithium salt is characterized in that the energy capacity is 30 wh or more, the volume energy density is 180 wh/l or more, and the shape is flat. The secondary cell is preferable to, especially, an electric power storage system, and has an excellent heat-dissipating ability and a high safety. A method for controlling such a secondary cell is also disclosed.

L'invention concerne une pile secondaire équipée d'une électrode positive, d'une électrode négative et d'une électrolyte non aqueuse contenant un sel de lithium. Cette pile est caractérisée en ce que sa capacité en énergie est de 30 wh au moins, la densité volumétrique d'énergie est de 180 wh/l au moins et sa forme est plate. La pile secondaire est de préférence un système de stockage d'énergie électrique présentant une excellente capacité de dissipation thermique ainsi qu'une sécurité élevée. L'invention concerne également un procédé de contrôle de cette pile.

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