Titles:
Lithium ion battery electrolyte and lithium ion secondary battery
一种锂离子电池电解液及锂离子二次电池
Abstracts:
The inventor provides a lithium ion secondary battery containing manganese as a positive active material and its electrolyte, including: a lithium salt; a non-aqueous organic solvent; a compound represented by formula I, a compound represented by formula II, and formula III The compound shown in the lithium ion secondary battery electrolyte includes the compounds shown in formulas I, II, and III, which can effectively remove the hydrogen fluoride produced during the operation of the battery, make the cathode and anode effective film formation, and inhibit the precipitation of manganese in the cathode. Reduce the damage of the precipitated manganese to the anode, and effectively improve the cycle performance and storage performance of the battery.
Titles:
Additive, electrolyte for rechargeable lithium battery, and rechargeable lithium battery including the electrolyte
添加剂、用于可再充电锂电池的电解质和包括该电解质的可再充电锂电池
Abstracts:
An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive is represented by Chemical Formula 1: [Chemical Formula 1]
Titles:
Manufacturing method of electrolyte additive for secondary battery
이차전지용 전해질 첨가제의 제조방법
Abstracts:
According to an embodiment of the present invention, a method of preparing an electrolyte additive for preparing a compound represented by the following Formula 1 or Formula 2 may be provided. The manufacturing method of the electrolyte additive includes reacting tetrafluoroborate and 2-monofluoromalonic acid, adding an HF remover to the mixture produced by the reaction, and concentrating and drying the resulting reaction solution. It may include a step.
본 발명의 일 실시예에 따라 상기 하기 화학식 1 또는 하기 화학식 2의 화합물을 제조하는 전해질 첨가제의 제조방법을 제공할 수 있다. 상기 전해질 첨가제의 제조방법은 테트라플루오로붕산염과 2-모노플루오로말론산을 반응시키는 단계, 상기 반응에 의해 생성된 혼합액에 HF 제거제를 더 추가시키는 단계 및 상기로부터 얻어진 반응액을 농축 및 건조시키는 단계를 포함하는 것일 수 있다.
Applicant:
Foosung Co., Ltd. ((주)후성)
Inventors:
우병원
박순홍
정재우
김지은
이상문
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