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    • 8. 发明公开
    • 리튬전지용 비수전해액
    • 用于锂离子电池的非电解电解质溶液,具有电化学活性和稳定性
    • KR1020040080155A
    • 2004-09-18
    • KR1020030015029
    • 2003-03-11
    • 제일모직주식회사
    • 전종호양호석김학수김종섭
    • H01M10/05
    • H01M10/0567H01M10/052H01M10/0568H01M10/0569
    • PURPOSE: A nonaqueous electrolyte solution for a lithium battery is provided, to improve electrochemical reactivity and stability to overcharge, thereby allowing a battery pack to be miniaturized by using no protection circuit or protection device. CONSTITUTION: The nonaqueous electrolyte solution comprises 100 parts by weight of an organic solvent mixture which comprises a cyclic carbonate-based organic solvent and a linear carbonate-based organic solvent and contains 0.8-2 M lithium salt; and 0.1-10.0 parts by weight of a thionaphthene derivative represented by the formula 1, wherein X is a halogen atom and n is an integer of 0-2. Preferably the lithium salt is at least one selected from the group consisting of LiPF6, LiClO4, LiAsF6, LiBF4, BETI and HQ115; the cyclic carbonate-based organic solvent is at least one selected from the group consisting of ethylene carbonate and propylene carbonate; and the linear carbonate-based organic solvent is at least one selected from the group consisting of dimethyl carbonate, diethyl carbonate, ethylmethyl carbonate, methylpropyl carbonate and ethylpropyl carbonate.
    • 目的:提供用于锂电池的非水电解质溶液,以提高电化学反应性和过充电的稳定性,从而通过不使用保护电路或保护装置使电池组小型化。 构成:非水电解质溶液包含100重量份的包含环状碳酸酯基有机溶剂和直链碳酸酯类有机溶剂并含有0.8-2M锂盐的有机溶剂混合物; 和0.1-10.0重量份由式1表示的硫代萘衍生物,其中X是卤素原子,n是0-2的整数。 锂盐优选为选自LiPF 6,LiClO 4,LiAsF 6,LiBF 4,BETI和HQ115中的至少一种; 环状碳酸酯类有机溶剂为选自碳酸亚乙酯和碳酸亚丙酯中的至少一种; 直链碳酸酯类有机溶剂为选自碳酸二甲酯,碳酸二乙酯,碳酸甲乙酯,碳酸甲丙酯,碳酸乙丙酯中的至少一种。
    • 9. 发明公开
    • 전지용 비수전해액 및 이를 포함한 이차 전지
    • 非电解电解液和包含溶液的二次电池
    • KR1020040061566A
    • 2004-07-07
    • KR1020020087838
    • 2002-12-31
    • 제일모직주식회사
    • 박명국전종호강윤정김학수김종섭양호석
    • H01M10/05
    • H01M10/0567H01M10/052H01M10/0569
    • PURPOSE: A nonaqueous electrolyte solution and a secondary battery containing the electrolyte solution are provided, to reduce the generation of gas at a high temperature (85 deg.C) remarkably by using a novolac phenol or multiphenol derivative, thereby preventing the swelling due to the generation of gas of a battery and improving the capacity storage at a high temperature. CONSTITUTION: The nonaqueous electrolyte solution comprises a carbonate-based organic solvent mixture where a lithium salt is dissolved; and 0.1-10 parts by weight of a novolac phenol or multiphenol derivative represented by the formula 1, wherein n is an integer of 0-100,000; and X and Y are H, a halogen atom, an alkyl group of C1-C12, an aryl group of C1-C12, an alkenyl group of C1-C12 or a fluorinated low molecular weight alkyl group or phenyl group. Preferably the lithium salt is at least one selected from the group consisting of LiPF6, LiClO4, LiAsF6, LiBF4 and LiN(C2F5SO3)2; and the carbonate-based organic solvent mixture is a mixture of linear and cyclic carbonate-based organic solvents, the cyclic carbonate-based organic solvent is ethylene carbonate, propylene carbonate or their mixture, and the linear carbonate-based organic solvent is carbonate dimethyl, carbonate diethyl, carbonate ethylmethyl, carbonate methylpropyl or their mixtures.
    • 目的:提供非水电解液和含有电解质溶液的二次电池,通过使用酚醛清漆酚或多酚衍生物显着降低高温(85℃)下的气体的产生,防止由于 生成电池的气体并提高高温下的容量储存。 构成:非水电解液含有溶解锂盐的碳酸酯系有机溶剂混合物, 和0.1-10重量份由式1表示的酚醛清漆酚或多酚衍生物,其中n为0-100,000的整数; X和Y是H,卤素原子,C 1 -C 12烷基,C 1 -C 12的芳基,C 1 -C 12的烯基或氟化低分子量烷基或苯基。 优选锂盐为选自LiPF 6,LiClO 4,LiAsF 6,LiBF 4和LiN(C 2 F 5 SO 3)2中的至少一种; 碳酸酯系有机溶剂混合物为直链状和环状碳酸酯类有机溶剂的混合物,环状碳酸酯类有机溶剂为碳酸亚乙酯,碳酸丙烯酯或它们的混合物,直链状碳酸酯类有机溶剂为碳酸二甲酯, 碳酸二乙酯,碳酸乙酯,碳酸甲酯或它们的混合物。
    • 10. 发明授权
    • 전지용 비수전해액
    • 电池用非水电解液
    • KR100642435B1
    • 2006-11-03
    • KR1020030100354
    • 2003-12-30
    • 제일모직주식회사
    • 오정강전종호김학수김종섭
    • H01M10/05
    • H01M10/0525H01M4/133H01M10/0567
    • 본 발명은 유기용매 및 리튬염으로 이루어진 리튬 전지용 비수전해액에 있어서 하기 화학식 1의 알켄 설톤 화합물을 0.1 내지 20 중량% 포함하는 것을 특징으로 하는 전지용 비수전해액에 관한 것으로, 본 발명의 전지용 비수전해액은 전지 특성에 영향을 주지 않고 고온 장시간 보관시 전지의 두께 증가를 억제할 수 있어 고온 성능이 우수하고 셋트 장착 효율이 뛰어난 이점을 갖는다.
      [화학식 1]

      리튬 전지, 비수전해액, 유기용매, 리튬염, 알켄 설톤 화합물, 전지특성, 두께증가율, 고온안정성
    • 本发明涉及一种电池,所述非水电解质,其包括按重量计的锂电池式(I)0.1至20%的烯烃磺内酯化合物,所述非水电解质包含有机溶剂和锂盐,本发明电池的电池的非水电解液 在不影响特性可以被抑制到提高高温时长期蓄电池高温性能的厚度为优良,具有优良的优点组安装效率。