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

Inventor： 김학수 ,  라정인 ,  이정민 ,  조영재 ,  양호석

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, 사이클

Abstract 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。

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

Inventor： 김학수 ,  라정인 ,  이정민 ,  조영재 ,  양호석

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。

公开(公告)号：KR100864318B1

公开(公告)日：2008-10-20

申请号：KR1020060131255

申请日：2006-12-20

Applicant: 제일모직주식회사

Inventor： 오정강 ,  조영재 ,  양호석 ,  이갑열 ,  김학수

IPC: H01M10/05 ,  H01M10/02

Abstract: 고전압 적용시 전지의 성능은 그대로 유지하면서 보존특성이 우수하고 수명을 향상시킬 수 있는 리튬 2차전지용 비수성 전해액이 제공된다. 본 발명에 따른 리튬 2차전지용 비수성 전해액은 카보네이트계 용매, 에스테르계 용매, 에테르계 용매, 및 케톤계 용매로 이루어진 군에서 선택되는 하나 이상의 용매를 포함하는 비수성 유기용매와, 상기 비수성 유기용매에 용해되어 있는 리튬염을 포함하는 기본전해액; 기본전해액에 하기 화학식 1로 표시되는 플루오로 트리 페닐 실란(Fluorotriphenylsilane)이 첨가되는 것을 특징으로 한다.

리튬 2차전지, 플루오로 트리 페닐 실란(Fluorotriphenylsilane), 전해액, 수명특성, 보존특성

公开(公告)号：KR1020080062671A

公开(公告)日：2008-07-03

申请号：KR1020060138729

申请日：2006-12-29

Applicant: 제일모직주식회사

Inventor： 조영재 ,  오정강 ,  양호석 ,  김학수 ,  이갑열

IPC: H01M10/05 ,  H01M10/02

CPC classification number: H01M10/0569 ,  H01M4/131 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M2300/0025 ,  H01M2300/0028 ,  Y02E60/122

Abstract: A nonaqueous electrolyte solution for a lithium secondary battery, and a lithium secondary battery containing the nonaqueous electrolyte solution are provided to improve high temperature storage characteristics and lifetime without the deterioration of battery performance. A nonaqueous electrolyte solution comprises a nonaqueous organic solvent comprising at least one solvent selected from the group consisting of a carbonate-based solvent, an ester-based solvent, an ether-based solvent and a ketone-based solvent; a lithium salt dissolved in the nonaqueous organic solvent; and 0.1-10 parts by weight of the trimethoxyboroxine represented by the formula 1 based on 100 parts by weight of the nonaqueous organic solvent.

Abstract translation: 提供了一种用于锂二次电池的非水电解质溶液和含有非水电解质溶液的锂二次电池，以改善高温储存特性和寿命，而不会降低电池性能。 非水电解液包含含有选自碳酸酯系溶剂，酯系溶剂，醚系溶剂和酮类溶剂中的至少一种溶剂的非水有机溶剂; 溶解在非水有机溶剂中的锂盐; 和基于100重量份的非水有机溶剂的0.1-10重量份由式1表示的三甲氧基环硼氧烷。

公开(公告)号：KR1020080057666A

公开(公告)日：2008-06-25

申请号：KR1020060131255

申请日：2006-12-20

Applicant: 제일모직주식회사

Inventor： 오정강 ,  조영재 ,  양호석 ,  이갑열 ,  김학수

IPC: H01M10/05 ,  H01M10/02

CPC classification number: H01M10/0569 ,  H01M4/131 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M2300/0025 ,  H01M2300/0028 ,  Y02E60/122

Abstract: A non-aqueous electrolyte is provided to improve life characteristic and storage characteristic of a battery while maintaining performances of a battery when high voltage is applied to a battery. A non-aqueous electrolyte for a lithium secondary battery includes: a base electrolyte comprising a non-aqueous organic solvent and a lithium salt dissolved in the non-aqueous organic solvent, wherein the non-aqueous organic solvent contains at least one solvent selected from the group comprising carbonate-based solvents, ester-based solvents, ether-based solvents, and ketone-based solvents; and fluorotriphenylsilane represented by the following formula 1 to be added to the base electrolyte.

Abstract translation: 提供非水电解质，以在电池施加高电压时保持电池的性能，以提高电池的寿命特性和存储特性。 用于锂二次电池的非水电解质包括：包含非水有机溶剂和溶解在非水有机溶剂中的锂盐的基础电解质，其中所述非水有机溶剂含有至少一种选自 包括碳酸酯类溶剂，酯类溶剂，醚类溶剂和酮类溶剂的组; 和由下式1表示的氟代三苯基硅烷加入到基础电解质中。

公开(公告)号：KR100750246B1

公开(公告)日：2007-08-17

申请号：KR1020060025068

申请日：2006-03-17

Applicant: 제일모직주식회사

Inventor： 김학수 ,  조영재 ,  라정인 ,  이정민 ,  양호석

IPC: H01M10/05

Abstract: Provided are a nonaqueous electrolyte solution for a lithium secondary battery to improve charge/discharge characteristics and cycle characteristics, and a lithium secondary battery containing the nonaqueous electrolyte solution. A nonaqueous electrolyte solution comprises 0.01-50 parts by weight of at least one lactone-based compound selected from alpha-methyl GBL represented by a formula 1, gamma-caprolactone represented by a formula 2 and gamma-valerolactone represented by a formula 3; a lithium salt; and 100 parts by weight of an organic solvent containing an aromatic hydrocarbon compound represented by a formula 4, wherein R is a halogen atom or a C1-C10 alkyl group; and n is an integer of 1-5.

Abstract translation: 提供一种用于锂二次电池的非水电解质溶液以改善充电/放电特性和循环特性，以及包含该非水电解质溶液的锂二次电池。 非水电解质溶液包含0.01-50重量份的至少一种选自由式1表示的α-甲基GBL，由式2表示的γ-己内酯和由式3表示的γ-戊内酯的内酯类化合物; 锂盐; 和100重量份的含有由式4表示的芳族烃化合物的有机溶剂，其中R为卤原子或C1-C10烷基; 并且n是1-5的整数。