Non-aqueous electrolyte battery
The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electro...
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Format | Patent |
Language | English French German |
Published |
06.01.2016
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Abstract | The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt. The negative electrode layer may contain a negative electrode active material which can insert and release lithium ions at 0.4 V or more (V.S. Li/Li + ). The lithium salt may contains LiPF 6 with a concentration of less than 50% (including 0%). The non-aqueous electrolyte battery may meet the following two formulas: 1 ‰¤ Q2/Q1 (I) and 1 ‰¤ C/A ‰¤ 2 (II), where Q1 represents a capacitance in a facing portion of the negative electrode, Q2 represents a capacitance in the facing portion of the positive electrode, A represents an area of a surface including the facing portion of the negative electrode of the negative electrode layer, and C represents an area of a surface including the facing portion of the positive electrode of the positive electrode layer. |
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AbstractList | The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt. The negative electrode layer may contain a negative electrode active material which can insert and release lithium ions at 0.4 V or more (V.S. Li/Li + ). The lithium salt may contains LiPF 6 with a concentration of less than 50% (including 0%). The non-aqueous electrolyte battery may meet the following two formulas: 1 ‰¤ Q2/Q1 (I) and 1 ‰¤ C/A ‰¤ 2 (II), where Q1 represents a capacitance in a facing portion of the negative electrode, Q2 represents a capacitance in the facing portion of the positive electrode, A represents an area of a surface including the facing portion of the negative electrode of the negative electrode layer, and C represents an area of a surface including the facing portion of the positive electrode of the positive electrode layer. |
Author | ARIKAWA, TOSHIHIDE KIKUMA, YUICHI ASAMI, YOSHIAKI TAHARA, HIROTADA SHIKOTA, MASATAKA ISHII, HARUCHIKA NEWTON, KAZUKO HIRUMA, TERUO WATANABE, HIDETOSHI INAGAKI, HIROKI |
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DocumentTitleAlternate | Nichtwässrige Elektrolytbatterie Batterie à électrolyte non aqueux |
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Notes | Application Number: EP20110177760 |
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Snippet | The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
Title | Non-aqueous electrolyte battery |
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