Provided is a non-aqueous electrolyte battery capable of preventing reduction in capacity and cell expansion. More specifically, according to an embodiment of the present invention, provided is a non-aqueous electrolyte battery. The non-aqueous electrolyte battery includes a cathode, an anode, and a non-aqueous electrolyte. The anode contains an anode active material containing titanium oxide, and has a coating film covering over at least some portions of a surface of the anode. The coating film contains fluorine, and satisfies an equation (1), 0.2 <= F1/F2 <= 0.8 In the equation (1), F1 refers to a ratio (%) of fluorine atoms bound to organic atoms among fluorine atoms contained in the coating film, whereas F2 refers to a ratio (%) of fluorine atoms bound to metal atoms among fluorine atoms contained in the coating film.

    본 발명은, 용량 저하 및 셀 팽창을 억제 가능한 비수전해질 전지를 제공하는 것이다. 하나의 실시 형태에 의하면, 비수전해질 전지가 제공된다. 이 비수전해질 전지는, 정극과, 부극과, 비수전해질을 구비한다. 부극은, 티타늄 산화물을 포함하는 부극 활물질을 포함하고, 부극의 표면의 적어도 일부를 피복하고 있는 피막을 갖는다. 피막은, 불소를 포함하고, 하기식 (1)을 만족한다. 0.2≤F1/F2≤0.8 … (1) 식 (1) 중, F1은, 피막이 포함하고 있는 불소 원자 중, 유기계 원자에 결합한 불소 원자의 비율(%)이며, F2는, 피막이 포함하고 있는 불소 원자 중, 금속 원자에 결합한 불소 원자의 비율(%)이다.


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    Title :

    NON-AQUEOUS ELECTROLYTE BATTERY BATTERY PACK AND VEHICLE


    Additional title:

    비수전해질 전지, 전지 팩 및 차량


    Contributors:

    Publication date :

    2017-09-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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