Non-aqueous electrolyte secondary battery with an organic magnesium electrolyte compound
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsShuji Ito, Osamu Yamamoto, Teruhisa Kanbara, Hiromu Matsuda
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Abstract
In order to obtain a non-aqueous electrolyte secondary battery having a high capacity and excellent charge/discharge cycle characteristics, a halogen-containing organic magnesium compound represented by the formula (1): RMgX, where R is an aliphatic hydrocarbon group or an aromatic hydrocarbon group, X is fluorine atom, chlorine atom, bromine atom or iodine atom; or the formula (2): RMgY, where R is an aliphatic hydrocarbon group or an aromatic hydrocarbon group, Y is —ClO4−, —BF4−, —PF6− or —CF3SO3− is added to the non-aqueous electrolyte.
Claims9
A non-aqueous electrolyte magnesium secondary battery comprising a rechargeable positive electrode, a non-aqueous electrolyte and a rechargeable negative electrode, wherein said rechargeable negative electrode comprises magnesium, and wherein said non-aqueous electrolyte contains a halogen-containing organic magnesium compound represented by the formula (1):
- RMgX (1)
- where R is an aliphatic hydrocarbon group or an aromatic hydrocarbon group X is a fluorine atom, chlorine atom, bromine atom or iodine atom;
- or the formula (2)
- RMgY (2)
- where R is an aliphatic hydrocarbon group or an aromatic hydrocarbon group, Y is —ClO4−, —BF4−, —PF6− or —CF3SO3.
Dependencies are inferred from the claim text.