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公开(公告)号：KR100845047B1
公开(公告)日：2008-07-08
申请号：KR1020060136843
申请日：2006-12-28
Applicant: 제일모직주식회사
CPC classification number: H01M10/0569 , H01M10/0525 , H01M2300/0028 , Y02E60/122
Abstract: A non-aqueous electrolyte for a lithium secondary battery is provided to impart improved lifespan characteristics and high-temperature storage characteristics to a lithium secondary battery. A non-aqueous electrolyte for a lithium secondary battery comprises: a non-aqueous organic solvent including at least one solvent selected from the group consisting of carbonate solvents, ester solvents, ether solvents and ketone solvents, and a lithium salt dissolved in the non-aqueous organic solvent; and 1-10 parts by weight of pentafluorobenzene represented by the following formula 1 based on 100 parts by weight of the non-aqueous organic solvent.
Abstract translation: 提供了一种用于锂二次电池的非水电解质，以提高锂二次电池的寿命特性和高温储存特性。 一种用于锂二次电池的非水电解质包括：包含选自碳酸酯溶剂，酯溶剂，醚溶剂和酮溶剂中的至少一种溶剂的非水有机溶剂和溶解在非水电解质中的锂盐， 水性有机溶剂; 和1-10重量份由下式1表示的五氟苯，基于100重量份的非水有机溶剂。
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公开(公告)号：KR100810680B1
公开(公告)日：2008-03-07
申请号：KR1020060035515
申请日：2006-04-19
Applicant: 제일모직주식회사
IPC: H01M10/05
Abstract: 4.4V급의 고전압 적용시 우수한 사이클 특성을 가질 수 있는 리튬 2차전지용 비수성 전해액이 제공된다. 본 발명의 리튬 2차전지용 비수성 전해액은 유기용매, 리튬염, 및 하기의 화학식 1 내지 화학식 2에 나타낸 비스 트리플루오로알킬 벤젠 중 하나 이상을 포함한다.
리튬 2차전지, 전해액, 비스 트리플루오로알킬 벤젠, 사이클Abstract translation: 提供了当施加4.4V的高电压时能够具有优异的循环特性的用于锂二次电池的非水电解液。 本发明的非可再充电锂电池，水电解溶液包含有机溶剂，锂盐，以及一种或多种式（1）至三氟由下面化学式2表示的烷基苯。
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公开(公告)号：KR1020070103647A
公开(公告)日：2007-10-24
申请号：KR1020060035515
申请日：2006-04-19
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/052 , C07C22/00 , H01M4/133 , H01M4/134 , H01M2300/0034 , Y02E60/122
Abstract: A non-aqueous electrolyte for a lithium secondary battery is provided to impart excellent cycle characteristics to a battery having a cut-off voltage of 4.4V while maintaining the quality of the battery. A non-aqueous electrolyte for a lithium secondary battery comprises an organic solvent, a lithium salt, and at least one trifluoroalkyl benzene represented by the following formulae 1 and 2. The bistrifluoroalkyl benzene is used in an amount of 0.01-50 parts by weight based on 100 parts by weight of the organic solvent. The organic solvent includes a mixed solvent containing at least one organic cyclic carbonate solvent and at least one organic linear carbonate solvent in a ratio of 1:4-2:2.
Abstract translation: 提供了一种用于锂二次电池的非水电解质，以在保持电池质量的同时，对截止电压为4.4V的电池赋予良好的循环特性。 用于锂二次电池的非水电解质包括有机溶剂，锂盐和由下式1和2表示的至少一个三氟烷基苯。双三氟烷基苯的用量为0.01-50重量份，基于 在100重量份的有机溶剂中。 有机溶剂包括含有至少一种有机环状碳酸酯溶剂和至少一种有机线性碳酸酯溶剂的比例为1:4-2:2的混合溶剂。
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公开(公告)号：KR100611462B1
公开(公告)日：2006-08-09
申请号：KR1020030069941
申请日：2003-10-08
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0567 , H01M10/052 , H01M10/0525
Abstract: 본 발명은 전지용 비수 전해액에 관한 것으로, 보다 상세하게는 종래의 리튬 전지용 비수 전해액에 퓨라논계 유도체를 첨가함으로써 전해액의 분해를 억제하여, 고온 방치시 전지의 두께 증가율이 현저히 감소되고, 고온에서의 용량 저장 특성이 향상된 신규 전지용 비수 전해액에 관한 것이다.
비수 전해액, 리튬전지, 테트론산, 각형 전지-
公开(公告)号：KR1020050066166A
公开(公告)日：2005-06-30
申请号：KR1020030097417
申请日：2003-12-26
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0525 , H01M4/133 , H01M10/0567
Abstract: 본 발명은 리튬전지용 비수전해액에 대한 것으로, 보다 상세하게는 리튬염이 0.8 내지 2M로 용해된 유기용매 100 중량부에 테트라에틸렌 설폰아미드를 0.1 내지 10 중량부 첨가하여 제조된 리튬 전지용 비수전해액에 대한 것이며, 본 발명에 의해 고온 방치시 전지의 두께 증가율이 현저히 감소되고, 고온에서의 용량 저장 특성이 향상된 리튬 전지용 비수전해액을 제공할 수 있다.
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Patent Agency Ranking
公开(公告)号：KR100471984B1
公开(公告)日：2005-03-10
申请号：KR1020030020825
申请日：2003-04-02
Applicant: 삼성에스디아이 주식회사 , 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0567 , H01M10/052 , H01M10/0525
Abstract: 본 발명의 리튬 이차 전지용 전해질은 리튬염; 비수성 유기용매; 및 하기 화학식 1의 화합물을 포함한다.
(1)
(상기 식에서 R
1 은 알킬기, 알케닐기, 알키닐기, 아릴기, 및 사이클릭 알킬기로 이루어진 군에서 선택되고, X는 플루오르, 클로르 및 브롬으로 이루어진 군에서 선택되는 할로겐임)
상기 화학식 1의 화합물은 초충전시 카보네이트계 유기 용매보다 양극 표면에서 먼저 산화 분해하여 양극 표면에 피막을 형성함으로써 만충전후 고온 저장시 전지의 두께 팽창을 억제할 수 있어 전지 세트 장착시 신뢰성을 향상시킬 수 있다. 또한 과충전시 발열량을 감소시켜 열폭주 현상을 방지하여 전지의 안전성을 향상시킬 수 있다.-
公开(公告)号：KR1020040085960A
公开(公告)日：2004-10-08
申请号：KR1020030020825
申请日：2003-04-02
Applicant: 삼성에스디아이 주식회사 , 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0567 , H01M10/052 , H01M10/0525
Abstract: PURPOSE: Provided is a non-aqueous electrolyte which reduces the swelling of battery at high temperature and improves the safety of battery. A lithium secondary battery comprising the electrolyte is also provided. CONSTITUTION: The electrolyte for lithium secondary battery comprises lithium salt, a non-aqueous organic solvent and a compound represented by the formula 1, wherein R1 is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl and cyclic alkyl and X is a halogen selected from the group consisting of fluorine, chlorine and bromine. The compound of the formula 1 is added in an amount of 0.01 to 10 wt% based on 100 wt% of the electrolyte. The lithium secondary battery comprises the above electrolyte; a cathode comprising lithium intercalation compound as a cathode active material; and an anode comprising carbon, carbon composite, lithium metal and lithium alloy as an anode active material.
Abstract translation: 目的：提供一种非水电解质，可降低电池在高温下的溶胀，提高电池的安全性。 还提供了包含电解质的锂二次电池。 构成：用于锂二次电池的电解质包括锂盐，非水有机溶剂和由式1表示的化合物，其中R 1选自烷基，烯基，炔基，芳基和环烷基，X是 选自氟，氯和溴的卤素。 相对于100重量％的电解质，式1的化合物的添加量为0.01〜10重量％。 锂二次电池包括上述电解质; 包含锂嵌入化合物作为正极活性物质的阴极; 以及包含碳，碳复合物，锂金属和锂合金作为负极活性材料的阳极。
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公开(公告)号：KR1020040080155A
公开(公告)日：2004-09-18
申请号：KR1020030015029
申请日：2003-03-11
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0567 , H01M10/052 , H01M10/0568 , H01M10/0569
Abstract: 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.
Abstract translation: 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。
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公开(公告)号：KR1020040061572A
公开(公告)日：2004-07-07
申请号：KR1020020087845
申请日：2002-12-31
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/4235 , H01M10/052 , H01M10/0567 , H01M10/0569
Abstract: 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, 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 1-phenylsulfonyl pyrrole derivative or 1-phenylsulfonyl thiophene derivative represented by the formula 1, wherein X is O or S; Y and Z which are a substituent of a benzene ring represent H, a halogen atom, an alkyl group of C1-C12, an aryl group, an alkenyl group or a fluorinated low molecular weight alkyl 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.
Abstract translation: 目的：提供一种非水电解液和含有电解质溶液的二次电池，以显着降低高温（85℃）下的气体的产生，从而防止由于电池的气体的产生引起的膨胀， 容量存储在高温下。 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1-苯基磺酰基吡咯衍生物或1-苯基磺酰基噻吩衍生物，其中X为O或S; 作为苯环的取代基的Y和Z表示H，卤素原子，C1-C12烷基，芳基，烯基或氟化低分子量烷基。 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。
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公开(公告)号：KR1020040061566A
公开(公告)日：2004-07-07
申请号：KR1020020087838
申请日：2002-12-31
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0567 , H01M10/052 , H01M10/0569
Abstract: 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.
Abstract translation: 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。
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