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1. 发明授权

US07927747B2 Additives for non-aqueous electrolyte and lithium secondary battery using the same 有权
标题翻译：非水电解质和锂二次电池用添加剂
公开(公告)号：US07927747B2
公开(公告)日：2011-04-19
申请号：US11623845
申请日：2007-01-17
申请人： Ho Chun Lee , Sun Sik Shin , Hong Kyu Park , Joo Mi Jeon , Jeong Ju Cho
发明人： Ho Chun Lee , Sun Sik Shin , Hong Kyu Park , Joo Mi Jeon , Jeong Ju Cho
IPC分类号： H01M6/16 , H01M6/04
CPC分类号： H01M10/0525 , H01M10/0567 , H01M10/4235 , H01M2300/0025
摘要： Disclosed is an electrolyte for batteries, comprising: (a) an electrolyte salt; (b) an organic solvent; (c) a first compound having an oxidation initiation voltage (vs. Li/Li+) higher than the operating voltage of a cathode; and (d) a second reversible compound having an oxidation initiation voltage higher than the operating voltage of the cathode, but lower than the oxidation initiation voltage of the first compound. Also disclosed is a lithium secondary battery comprising said electrolyte. In the lithium secondary battery, two compounds having different safety improvement actions at a voltage higher than the operating voltage of the cathode are used in combination as electrolyte components. Thus, the safety of the secondary battery in an overcharged state can be ensured, and at the same time, the deterioration of the battery can be prevented from occurring when it is repeatedly cycled, continuously charged and stored at high temperature for a long time.
摘要翻译：公开了一种用于电池的电解质，其包括：（a）电解质盐; （b）有机溶剂; （c）具有高于阴极的工作电压的氧化起始电压（相对于Li / Li +）的第一化合物; 和（d）具有高于阴极的工作电压但低于第一化合物的氧化起始电压的氧化起始电压的第二可逆化合物。还公开了包含所述电解质的锂二次电池。在锂二次电池中，作为电解质成分组合使用具有比阴极的工作电压高的电压具有不同安全性改善作用的两种化合物。因此，可以确保二次电池处于过充电状态的安全性，并且同时可以防止在重复循环，连续充电并长时间在高温下储存时发生电池的劣化。

2. 发明授权

US07629073B2 Safety element for battery and battery with the same 有权
标题翻译：电池和电池的安全元件相同
公开(公告)号：US07629073B2
公开(公告)日：2009-12-08
申请号：US11132468
申请日：2005-05-19
申请人： Jeong Ju Cho , Jae Hyun Lee , Sung Kyun Chang , Min Chul Jang , Sun Sik Shin , Eui Yong Bang , Joon Hwan Lee , Soo Hyun Ha
发明人： Jeong Ju Cho , Jae Hyun Lee , Sung Kyun Chang , Min Chul Jang , Sun Sik Shin , Eui Yong Bang , Joon Hwan Lee , Soo Hyun Ha
IPC分类号： H01M10/50 , H01M2/00
CPC分类号： H01M10/425 , H01C7/045 , H01C7/047 , H01M10/0525 , H01M10/4257 , H01M10/443 , H01M2200/10 , H02H7/18 , H02H9/041
摘要： Disclosed are a safety element for a battery, which is provided with material having a Metal-Insulator Transition (MIT) characteristic where resistance abruptly drops at or above a certain temperature, and a battery with such a safety element. This battery with an MIT safety element is turned into a stable discharged state when it is exposed to an elevated temperature or a battery temperature rises due to external impact, so that it can ensure its safety.
摘要翻译：公开了一种电池的安全元件，其具有金属绝缘体转变（MIT）特性的材料，其中电阻突然下降等于或高于某一温度，以及具有这种安全元件的电池。这种具有MIT安全元件的电池在暴露于高温或电池温度由于外部冲击而升高时变为稳定的放电状态，从而可以确保其安全。

3. 发明授权

US07799470B2 Non-aqueous-electrolyte and lithium secondary battery using the same 有权
标题翻译：非水电解质和锂二次电池使用相同
公开(公告)号：US07799470B2
公开(公告)日：2010-09-21
申请号：US11625999
申请日：2007-01-23
申请人： Jeong Ju Cho , Sun Sik Shin , Hyang Mok Lee , Kyong Won Kang , Eun Ju Kang , Min Chul Jang , Soo Hyun Ha
发明人： Jeong Ju Cho , Sun Sik Shin , Hyang Mok Lee , Kyong Won Kang , Eun Ju Kang , Min Chul Jang , Soo Hyun Ha
IPC分类号： H01M10/05
CPC分类号： H01M10/0525 , H01M10/0567 , H01M10/0569 , H01M2300/004
摘要： Disclosed are nonaqueous electrolyte additives, which can improve the safety of a battery upon overcharge of the battery without reducing the performance of the battery, as well as a nonaqueous electrolyte comprising the additives, and a lithium secondary battery comprising the nonaqueous electrolyte. More particularly, disclosed are a nonaqueous electrolyte comprising both fluorobiphenyl and fluorotoluene as additives, and a lithium secondary battery comprising the nonaqueous electrolyte.
摘要翻译：公开了一种非水电解质添加剂，其可以在不降低电池性能的情况下提高电池过充电时的电池的安全性，以及包含添加剂的非水电解质以及包含非水电解质的锂二次电池。更具体地，公开了包含氟联苯和氟代甲苯作为添加剂的非水电解质，以及包含非水电解质的锂二次电池。

4. 发明授权

US07947398B2 Electrode for a secondary battery and secondary battery comprising the same 有权
标题翻译：二次电池用电极及包含该二次电池的二次电池
公开(公告)号：US07947398B2
公开(公告)日：2011-05-24
申请号：US11779576
申请日：2007-07-18
申请人： Soo Jin Yoon , Jeong Ju Cho , Ho Chun Lee
发明人： Soo Jin Yoon , Jeong Ju Cho , Ho Chun Lee
IPC分类号： H01M6/18
CPC分类号： H01M10/0567 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/661 , H01M10/0525 , H01M10/0568
摘要： Disclosed is an electrolyte for a secondary battery comprising an electrolyte salt and an electrolyte solvent, the electrolyte further comprising a lactam-based compound substituted with an electron withdrawing group (EWG) at the nitrogen position thereof. The electrolyte allows formation of a firm and dense SEI film on the surface of an anode, minimizes irreversible oxidative decomposition at a cathode, and thus can provide a battery with significantly improved lifespan, stability and high temperature characteristics.
摘要翻译：公开了一种包含电解质盐和电解质溶剂的二次电池用电解质，电解质还包含在其氮位置被取代基取代的内酰胺类化合物（EWG）。电解质允许在阳极表面形成牢固且致密的SEI膜，使阴极处的不可逆氧化分解最小化，从而可以提供具有显着改善的寿命，稳定性和高温特性的电池。

5. 发明授权

US09287583B2 Additive having cyano group for non-aqueous electrolyte and electrochemical device using the same 有权
标题翻译：用于非水电解质的具有氰基的添加剂和使用其的电化学装置
公开(公告)号：US09287583B2
公开(公告)日：2016-03-15
申请号：US11774880
申请日：2007-07-09
申请人： Jeong Ju Cho , Ho Chun Lee , Yong Su Choi , Jong Ho Jeon
发明人： Jeong Ju Cho , Ho Chun Lee , Yong Su Choi , Jong Ho Jeon
IPC分类号： H01M10/0567 , H01M6/16 , H01G9/022 , H01B1/12 , H01M10/0525
CPC分类号： H01M10/0567 , H01B1/122 , H01G9/022 , H01G9/04 , H01M4/628 , H01M6/168 , H01M10/0525 , H01M2300/0025
摘要： Disclosed is an additive for a non-aqueous electrolyte, which is a compound having a double bond and at least two cyano groups, the two cyano groups being in a trans-formation to the double bond. Also, a non-aqueous electrolyte comprising the additive and an electrochemical device comprising the non-aqueous electrolyte are also disclosed. Further, an electrode comprising the cyano group-containing compound and an electrochemical device comprising the electrode are disclosed.
摘要翻译：公开了一种非水电解质的添加剂，其是具有双键和至少两个氰基的化合物，两个氰基与双键形成双键。此外，还公开了包含添加剂的非水电解质和包含非水电解质的电化学装置。此外，公开了包含含氰基化合物的电极和包含电极的电化学装置。

6. 发明授权

US08142936B2 Non-aqueous electrolyte and lithium secondary battery using the same 有权
标题翻译：非水电解质和锂二次电池使用相同
公开(公告)号：US08142936B2
公开(公告)日：2012-03-27
申请号：US10588481
申请日：2004-02-10
申请人： Soon Ho Ahn , Jae Hyun Lee , Jeong Ju Cho , Ho Chun Lee , Mi Young Son , Hyeong Jin Kim , Han Ho Lee
发明人： Soon Ho Ahn , Jae Hyun Lee , Jeong Ju Cho , Ho Chun Lee , Mi Young Son , Hyeong Jin Kim , Han Ho Lee
IPC分类号： H01M6/18
CPC分类号： H01M10/052 , H01B1/122 , H01M10/0567 , H01M10/4235
摘要： The present invention relates to a nonaqueous electrolyte solution containing new additives and a lithium secondary battery including the same. More particularly, the invention relates to a nonaqueous electrolyte solution containing a lithium salt, an electrolyte compound, a first additive compound with an oxidation initiation potential of more than 4.2 V, and a second additive compound with an oxidation initiation potential of more than 4.2 V, which is higher in oxidation initiation potential than the first additive, and deposits oxidative products or form a polymer film, in oxidation, as well as a lithium secondary battery including the same. The present invention can provide a lithium secondary battery excellent in both the battery performance and the battery safety in overcharge by the combined use of the first additive and the second battery as additives to the nonaqueous electrolyte solution.
摘要翻译：本发明涉及含有新添加剂的非水电解质溶液和包含该添加剂的锂二次电池。更具体地说，本发明涉及含有锂盐，电解质化合物，氧化起始电位大于4.2V的第一添加剂化合物和氧化起始电位大于4.2V的第二添加剂化合物的非水电解质溶液，其氧化起始电位高于第一添加剂，并且氧化产生氧化物或形成聚合物膜，以及包含其的锂二次电池。本发明可以通过将第一添加剂和第二电池作为添加剂与非水电解质溶液的组合使用，提供在电池性能和电池安全性方面优异的锂二次电池。

7. 发明授权

US09614254B2 Safety device for preventing overcharge and secondary battery therewith 有权
公开(公告)号：US09614254B2
公开(公告)日：2017-04-04
申请号：US11221185
申请日：2005-09-07
申请人： Sung Kyun Chang , Jae Hyun Lee , Joon Hwan Lee , Soo Hyun Ha , Jeong Ju Cho
发明人： Sung Kyun Chang , Jae Hyun Lee , Joon Hwan Lee , Soo Hyun Ha , Jeong Ju Cho
IPC分类号： H01M10/42 , H01M10/48 , H01M10/637 , H01M10/623 , H01M10/052
CPC分类号： H01M10/42 , H01M10/052 , H01M10/425 , H01M10/486 , H01M10/623 , H01M10/637 , H01M2200/00 , H01M2200/10 , H01M2200/101 , H01M2200/106 , Y02E60/122 , Y02T10/7011
摘要： Disclosed are a safety device and a secondary battery using the same. The safety device includes a voltage sensitive heating device generating heat when a voltage difference between both ends thereof exceeds a predetermined voltage level and a temperature sensitive device having a reversible current ON/OFF function according to a temperature. The temperature sensitive device is coupled with the voltage sensitive heating device such that the temperature sensitive device detects the heat generated from the voltage sensitive heating device.

8. 发明授权

US07745040B2 Safety device for preventing overcharge of secondary batteries and secondary batteries therewith 有权
标题翻译：用于防止二次电池和二次电池的过充电的安全装置
公开(公告)号：US07745040B2
公开(公告)日：2010-06-29
申请号：US11209462
申请日：2005-08-23
申请人： Sung Kyun Chang , Jae Hyun Lee , Joon Hwan Lee , Soo Hyun Ha , Jeong Ju Cho
发明人： Sung Kyun Chang , Jae Hyun Lee , Joon Hwan Lee , Soo Hyun Ha , Jeong Ju Cho
IPC分类号： H01M2/10
CPC分类号： H01M2/34 , H01M10/48 , H01M10/613 , H01M10/637 , H01M2200/10 , H02J7/0029 , H02J2007/0037
摘要： An object of the present invention is to provide the device for protecting a secondary battery safely from overvoltage and overheating caused by the overcharge by using simple safety device, which provides a contacted safety device which connects between a constant voltage element showing a discharge characteristic in the state of overvoltage and a MIT (metal insulator transition) element showing a discharge characteristic in the state of overheating. Each of the constant voltage element and the MIT element are connected in parallel between a cathode lead and an anode lead of the secondary battery. The contacted safety device has a characteristic combining a discharge/heat dissipation characteristic of the constant voltage element and a discharge characteristic of the MIT element which immediately responds to the heat dissipation of the constant voltage element, resulting in effect of preventing overcharge advantageously since the contacted safety device makes discharge in terms of 2 factors of voltage and temperature in case of overcharge.
摘要翻译：本发明的目的是提供一种用于通过使用简单的安全装置来安全地保护二次电池免于由过充电引起的过电压和过热的装置，该安全装置提供一个接触的安全装置，该安全装置连接在表现出过电压状态和显示过热状态下的放电特性的MIT（金属绝缘体转变）元件。恒压元件和MIT元件中的每一个并联连接在二次电池的阴极引线和阳极引线之间。所接触的安全装置具有组合恒压元件的放电/散热特性和MIT元件的放电特性的特征，其立即响应于恒压元件的散热，从而有效地防止由于接触在过充电的情况下，安全装置可以根据电压和温度的2个因素进行放电。

9. 发明授权

US07737661B2 Secondary battery having constant-voltage device 有权
标题翻译：二次电池具有恒压装置
公开(公告)号：US07737661B2
公开(公告)日：2010-06-15
申请号：US11208059
申请日：2005-08-19
申请人： Sung Kyun Chang , Jeong Ju Cho , Jae Hyun Lee , Joon Hwan Lee , Eui Yong Bang , Soo Hyun Ha
发明人： Sung Kyun Chang , Jeong Ju Cho , Jae Hyun Lee , Joon Hwan Lee , Eui Yong Bang , Soo Hyun Ha
IPC分类号： H02J7/00
CPC分类号： H01M2/34 , H01M10/4235
摘要： Disclosed is a secondary battery having a constant-voltage device for preventing the secondary battery from being excessively overcharged. The breakdown voltage of the constant-voltage device is lower than the explosion or ignition voltage of the secondary battery, so the discharge operation may occur before the secondary battery is exploded or ignited even if the voltage of the secondary battery rises above the overcharge voltage, thereby protecting the secondary battery from explosion or ignition. The leakage current value of the constant-voltage device is less than 0.05% of the capacity value of the secondary battery under the maximum charge voltage of the secondary battery, or the breakdown voltage of the constant-voltage device is higher than the maximum charge voltage of the secondary battery. Thus, the constant-voltage device rarely generates the leakage current even if the secondary battery has been charged with the maximum charge voltage.
摘要翻译：公开了具有用于防止二次电池过度充电的恒压装置的二次电池。恒压装置的击穿电压低于二次电池的爆炸或点火电压，因此即使二次电池的电压升高到过充电电压以上，放电操作也可能在二次电池分解或点燃之前发生，从而保护二次电池免受爆炸或点火。在二次电池的最大充电电压下，恒压装置的漏电电流值小于二次电池容量值的0.05％，或恒压装置的击穿电压高于最大充电电压的二次电池。因此，即使二次电池被充电最大充电电压，恒压装置也很少产生漏电流。

10. 发明授权

US08673469B2 Apparatus for protection of secondary battery 有权
标题翻译：二次电池保护装置
公开(公告)号：US08673469B2
公开(公告)日：2014-03-18
申请号：US11490359
申请日：2006-07-20
申请人： Sung Kyun Chang , Joon Hwan Lee , Jae Hyun Lee , Soo Hyun Ha , Jeong Ju Cho , Sang Hoon Choy
发明人： Sung Kyun Chang , Joon Hwan Lee , Jae Hyun Lee , Soo Hyun Ha , Jeong Ju Cho , Sang Hoon Choy
IPC分类号： H01M10/50 , H01M10/00
CPC分类号： H01M10/00 , H01M10/0525 , H01M10/443 , H01M10/486 , H01M2200/10 , H01M2200/105 , H02J7/0029
摘要： The present invention is an apparatus for protecting a secondary battery, in which, when the secondary battery such as a lithium-ion secondary battery is exposed to high temperature exceeding a working range due to a change in external environment, external impacts, and so on, or heated due to spontaneous generation of heat caused by internal defects, the secondary battery is discharged. The apparatus includes a thyristor or transistor having an anode and a cathode connected both terminals of the secondary battery respectively, and shorting both terminals of the secondary battery when gate current is supplied, and a temperature sensor detecting temperature of the secondary battery and supplying the gate current to the thyristor or transistor when the detected temperature is higher than predetermined temperature.
摘要翻译：本发明是一种用于保护二次电池的装置，其中当诸如锂离子二次电池的二次电池由于外部环境的变化而暴露于超过工作范围的高温时，外部冲击等或由于内部缺陷引起的自发产生的热而被加热，二次电池被排出。该装置包括分别连接二次电池的两个端子的阳极和阴极的晶闸管或晶体管，并且当提供栅极电流时短路二次电池的两个端子，以及温度传感器检测二次电池的温度并提供栅极当检测到的温度高于预定温度时，电流流向晶闸管或晶体管。

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