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AssigneeHitachi Maxell, Ltd.
InventorsFusaji Kita, Kouji Murakami, Akira Kawakami, Takaaki Sonoda, Hiroshi Kobayashi
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An organic electrolytic solution containing an organic solvent, and a metal salt having at least one electron attractive group and an anion which contains at least one element selected from the elements of the IIIb to VIb group of the Periodic Table and a charge-center atom of which is bonded to the electron attractive group by an intermediate backbone, in which a maximum distance between the center of the charge-center atom and the center of other atom in the anion is at least 4 .ANG.,. and a cell comprising this organic electrolytic solution, both having improved shelf stability.
An organic electrolytic solution comprising an organic solvent, and a metal salt comprising at least one electron attractive group and an anion which comprises at least one element selected from the elements of the IIIb to VIb group of the Periodic Table and a charge-center atom of which is bonded to said electron attractive group by an intermediate backbone, wherein a maximum distance between the center of said charge-center atom and the center of other atom in said anion is at least 4 .ANG..
An organic electrolytic solution cell comprising a positive electrode, a negative electrode and an organic electrolytic solution comprising an organic solvent, and a metal salt comprising at least one electron attractive group and an anion which comprises at least one element selected from the elements of the IIIb to VIb group of the Periodic Table and a charge-center atom of which is bonded to said electron attractive group by an intermediate backbone, wherein a maximum distance between the center of said charge-center atom and the center of other atom in said anion is at least 4 .ANG..
Dependencies are inferred from the claim text.