Non-aqueous electrolyte lithium secondary cell
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United States of America Patent
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Feb 27, 1996
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N/A
app pub date -
Feb 9, 1995
filing date -
Sep 1, 1992
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Abstract
In order to improve the charge-discharge energy density of a lithium secondary cell with a nonaqueous electrolyte having such a construction that a metallic compound capable of occluding or releasing lithium is used as an electrode active material, lithium or a lithium alloy is used as a negative electrode material and a solution of a lithium salt is used as an electrolyte, the microstructure of the metallic compound is rendered acicular. Further, a lithium-containing metallic compound grown into such a columnar form that has the angle .THETA. to the normal of the surface of the substrate of 0.degree..ltoreq..THETA.<90.degree. is used as the electrode active material.
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