08-09-2022 дата публикации
Номер: US20220285730A1
Автор:
Ban Sung Ho,
Choi Nam Soon,
Jin Woo Young,
Kim Ko Eun,
LEE Ji Eun,
Lee Sang Hun,
Lee Yoon Sung,
Ma Hyun Soo,
Moon Hyeon Gyu,
Nam Hui Beom,
Oh Seung Min,
Park Sang Mok,
Rhee Jun Ki
Принадлежит:
Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery. 2. The electrolyte solution of claim 1 , wherein the electrolyte solution comprises the compound represented by Chemical Formula 1 in an amount of about 0.2 wt % to 1.2 wt % based on the total weight of the electrolyte solution.3. The electrolyte solution of claim 1 , wherein the electrolyte solution comprises the compound represented by Chemical Formula 1 in an amount of about 0.2 wt % to 0.7 wt % based on the total weight of the electrolyte solution.4. The electrolyte solution of claim 1 , wherein the electrolyte salt comprises one or more selected from the group consisting of LiPF claim 1 , LiBF claim 1 , LiClO claim 1 , LiCl claim 1 , LiBr claim 1 , LiI claim 1 , LiBCl claim 1 , LiCFSO claim 1 , LiCFCO claim 1 , Li(CFSO)C claim 1 , LiAsF claim 1 , LiSbF claim 1 , LiAlCl claim 1 , LiCHSO claim 1 , LiCFSO claim 1 , LiN(SOCF) claim 1 , Li(CFSO)N claim 1 , LiCFSO claim 1 , LiB(CH) claim 1 , and Li(SOF)N (LiFSI).5. The electrolyte solution of claim 1 , wherein a concentration of the electrolyte salt is about 0.5 M to 1.0 M.6. The electrolyte solution of claim 1 , wherein the organic solvent comprises one or more selected from the group consisting of a carbonate-based solvent claim 1 , an ester-based solvent claim 1 , an ether-based solvent claim 1 , and a ketone-based solvent.7. A lithium secondary battery comprising a cathode claim 1 , an anode claim 1 , a separator interposed between the cathode and the anode claim 1 , and the electrolyte solution of .8. The lithium secondary battery of claim 7 , wherein the cathode comprises a cathode active material comprising Ni claim 7 , Co and Mn claim 7 , and the anode comprises a carbon (C)-based anode active material.9. A vehicle that comprises a battery of . The present application claims priority to Korean Patent Application No. 10-2021-0030099, filed Mar. 8, 2021, the entire content of which is incorporated herein for ...
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