개선된 배터리 시스템이 리튬-이온 기반 배터리용으로 개발되었다. 개선된 배터리 시스템은 전해질 용매에 2개의-첨가제 혼합물로 구성된다. 이러한 배터리 시스템은 밀봉된 셀에 양극 및 음극을 조립하고, 밀봉된 셀로부터 잔여 물을 제거하고, 불활성 대기 하에서 밀봉된 셀을 비수성 전해질로 채우고, 밀봉된 셀을 진공-밀봉하고, 밀봉된 셀이 초기 용량에 도달할 때까지 밀봉된 셀을 충방전하는 것을 포함하는 형성 공정을 수행함으로써 제조된다. 비수성 전해질은 리튬 이온, 카보네이트 용매를 포함하는 제1 비수성 용매, 메틸 아세테이트를 포함하는 제2 비수성 용매, 및 비닐렌 카보네이트 또는 플루오로에틸렌 카보네이트의 제1 작동 첨가제 및 2-퓨라논의 제2 작동 첨가제의 첨가제 혼합물을 포함한다. 형성 공정 중에 배터리 시스템에서 가스 형성이 억제된다.

    Improved battery systems have been developed for lithium-ion based batteries. The improved battery systems consist of two-additive mixtures in an electrolyte solvent. Such battery systems are prepared by assembling a positive electrode and a negative electrode in the sealed cell, removing residual water from the sealed cell, filling the sealed cell with a nonaqueous electrolyte under an inert atmosphere, vacuum-sealing the sealed cell, carrying out a formation process comprising charging and discharging the sealed cell until the sealed cell achieves an initial capacity. The nonaqueous electrolyte includes lithium ions, a first nonaqueous solvent comprising a carbonate solvent, a second nonaquaeous solvent comprising methyl acetate, and an additive mixture of a first operative additive of either vinylene carbonate or fluoroethylene carbonate and a second operative additive of 2-furanone. Gas formation is suppressed in the battery system during the formation process.


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    Title :

    2- 2- NOVEL BATTERY SYSTEMS BASED ON TWO-ADDITIVE ELECTROLYTE SYSTEMS INCLUDING 2-FURANONE AND METHOD OF FORMATION PROCESS OF SAME


    Additional title:

    2-퓨라논을 포함하는 2개의-첨가제 전해질 시스템에 기초한 신규 배터리 시스템, 및 이의 형성 공정 방법


    Contributors:

    Publication date :

    2024-04-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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