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1.发明公开公开(公告)号：US20240204249A1
公开(公告)日：2024-06-20
申请号：US18287823
申请日：2022-10-25
发明人： Won Kyung SHIN , Kyoung Ho AHN , Jun Hyeok HAN , Young Ho OH , Chul Haeng LEE , Won Tae LEE , Su Hyeon JI , You Kyeong JEONG
IPC分类号： H01M10/0567 , C07C69/65 , H01M10/0525 , H01M10/42 , H01M50/383
CPC分类号： H01M10/0567 , C07C69/65 , H01M10/0525 , H01M10/4235 , H01M50/383 , H01M2300/0042
摘要： The present disclosure relates to an additive for a non-aqueous electrolyte, which includes a compound represented by Formula 1 capable of improving life characteristics of a lithium secondary battery by forming a stable and low-resistance electrode-electrolyte interface even at a high temperature, and a non-aqueous electrolyte and a lithium secondary battery which include the same.
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公开(公告)号：US20230420737A1
公开(公告)日：2023-12-28
申请号：US18020609
申请日：2021-12-03
发明人： Won Kyung SHIN , Chul Haeng LEE , Kyoung Ho AHN , Sol Ji PARK , Jun Hyeok HAN , Su Hyeon JI
IPC分类号： H01M10/0565 , H01M50/46 , H01M10/052
CPC分类号： H01M10/0565 , H01M2300/0082 , H01M10/052 , H01M50/46
摘要： The present invention relates to a precursor composition for preparing a polymer electrolyte, and a polymer electrolyte and a secondary battery which are prepared by using the same. The precursor composition for preparing a polymer electrolyte of the present invention includes a lithium salt, a non-aqueous organic solvent, a polymerization initiator, an oligomer represented by Formula 1, and a compound represented by Formula 2, wherein the oligomer represented by Formula 1 and the compound represented by Formula 2 may be included in a weight ratio of 1:0.01 to 1:4.
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公开(公告)号：US20220340702A1
公开(公告)日：2022-10-27
申请号：US17615798
申请日：2020-08-07
发明人： Sol Ji PARK , Jeong Ae YOON , Kyoung Ho AHN , Su Jeong KIM , Chul Haeng LEE , Sung Soo YOON
IPC分类号： C08F259/08 , C08K5/109 , C08K3/32 , C08K3/18 , C08K3/04
摘要： The present invention discloses a copolymer for a polymer electrolyte, and a gel polymer electrolyte and a lithium secondary battery which include the same. Specifically, the present invention discloses a copolymer for a polymer electrolyte, which includes (A) a fluorine-based polymer, and (B) a unit derived from an acrylate-based monomer or an acrylate-based polymer, wherein the unit derived from the acrylate-based monomer or the acrylate-based polymer is grafted on the fluorine-based polymer, and a weight ratio of the fluorine-based polymer to the unit derived from the acrylate-based monomer or the acrylate-based polymer is in a range of 1:99 to 40:60, and a gel polymer electrolyte in which lithium ion transfer capability is improved by including the same. Also, the present invention may prepare a lithium secondary battery in which high-temperature safety is improved by including the gel polymer electrolyte.
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公开(公告)号：US20240105990A1
公开(公告)日：2024-03-28
申请号：US18286747
申请日：2023-01-11
发明人： Won Kyung SHIN , Won Tae LEE , Young Ho OH , Chul Haeng LEE , Kyoung Ho AHN
IPC分类号： H01M10/0565 , C07C69/96 , H01M10/052 , H01M10/058 , H01M50/105 , H01M50/609
CPC分类号： H01M10/0565 , C07C69/96 , H01M10/052 , H01M10/058 , H01M50/105 , H01M50/609 , H01M2300/0025 , H01M2300/0085
摘要： A gel polymer electrolyte composition, a secondary battery including the same, and a manufacturing method of a secondary battery are disclosed. Advantages of the disclosed aspects include increasing process efficiency by reducing the curing time of a gel polymer electrolyte while preventing leakage of an electrolyte.
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公开(公告)号：US20230395882A1
公开(公告)日：2023-12-07
申请号：US18036059
申请日：2022-09-06
发明人： Jung Hoon LEE , Chul Haeng LEE , Yoo Sun KANG , Sol Ji PARK , Jae Won LEE
CPC分类号： H01M10/44 , H01M10/4235
摘要： A method of activating a secondary battery includes an operation of deriving a reduction reaction voltage according to an electrolyte additive, a pre-charging operation of pre-charging the secondary battery into which an electrolyte containing the electrolyte additive is injected, and a pre-aging operation of wetting an electrode assembly accommodated in the secondary battery with the injected electrolyte and aging the electrode assembly. A charging termination voltage in the pre-charging operation is less than the reduction reaction voltage.
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公开(公告)号：US20230335792A1
公开(公告)日：2023-10-19
申请号：US18026579
申请日：2021-12-24
发明人： Won Kyung SHIN , Chul Haeng LEE , Kyoung Ho AHN , Min Jung KIM , Won Tae LEE , Su Hyeon JI
IPC分类号： H01M10/0565 , H01M10/052
CPC分类号： H01M10/0565 , H01M10/052 , H01M2300/0082 , H01M2300/0085
摘要： The present invention relates to a composition for an electrolyte of a lithium secondary battery, a gel polymer electrolyte including a polymerization product thereof, and a lithium secondary battery including the gel polymer electrolyte, the composition including a lithium salt, a polyalkylene carbonate-based first polymer having a weight average molecular weight of 1,000 g/mol to 1,500,000 g/mol, a polyethylene oxide-based second polymer having a weight average molecular weight of 200 g/mol to 2,000 g/mol, and an organic solvent, wherein the weight average molecular weight of the second polymer is in a range of 1/3,000 to ⅓ of the weight average molecular weight of the first polymer, and the amount of the first polymer is in a range of 0.1 wt % to 30 wt % based on the total weight of the composition.
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公开(公告)号：US20230335791A1
公开(公告)日：2023-10-19
申请号：US18026107
申请日：2021-12-24
发明人： Won Kyung SHIN , Chul Haeng LEE , Kyoung Ho AHN , Min Jung KIM , Won Tae LEE , Su Hyeon JI
IPC分类号： H01M10/0565 , H01M10/052
CPC分类号： H01M10/0565 , H01M10/052 , H01M2300/0085
摘要： The present invention relates to a composition for an electrolyte of a lithium secondary battery, a gel polymer electrolyte including a polymerization product thereof, and a lithium secondary battery including the gel polymer electrolyte, the composition including a lithium salt, a polyalkylene carbonate-based first polymer having a weight average molecular weight of 1,000 g/mol to 1,500,000 g/mol, a polypropylene carbonate-based second polymer including a unit represented by Formula 2 and having a weight average molecular weight of 200 g/mol to 1,000 g/mol, and an organic solvent, wherein the weight average molecular weight of the second polymer is in a range of 1/3,000 to ⅓ of the weight average molecular weight of the first polymer, and the amount of the first polymer is in a range of 0.1 wt % to 30 wt % based on the total weight of the composition.
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8.发明公开公开(公告)号：US20230299360A1
公开(公告)日：2023-09-21
申请号：US18017376
申请日：2022-01-11
发明人： Jun Hyeok HAN , Chul Haeng LEE , Kyoung Ho AHN , Sol Ji PARK , Won Kyung SHIN , Su Hyeon JI
IPC分类号： H01M10/0569 , H01M10/0567 , H01M10/052 , H01M10/0568
CPC分类号： H01M10/0569 , H01M10/0567 , H01M10/052 , H01M10/0568 , H01M2300/0042
摘要： The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, which includes an oligomer represented by Formula 1, a lithium salt, and an organic solvent, and a lithium secondary battery including the same.
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公开(公告)号：US20230253565A1
公开(公告)日：2023-08-10
申请号：US18011806
申请日：2021-12-02
发明人： Kyoung Ho AHN , Byoung Woo KANG , Solji PARK , Chul Haeng LEE , Wontae LEE , Yongho SHIN
CPC分类号： H01M4/628 , H01M4/661 , H01M4/70 , H01M4/0404 , H01M10/052 , H01M4/134 , H01M2004/027
摘要： A negative electrode current collector for a lithium metal battery. The negative electrode current collector includes a metal current collector substrate and a coating layer. The coating layer is formed on at least one surface of the metal current collector substrate. The coating layer includes a ferroelectric material, a metallic material capable of alloying with lithium, a conductive material, and a binder.
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10.发明公开公开(公告)号：US20230178811A1
公开(公告)日：2023-06-08
申请号：US17919055
申请日：2021-10-28
发明人： Solji PARK , Kyoung Ho AHN , Junhyeok HAN , Chul Haeng LEE , Won Kyung SHIN , Suhyeon JI
IPC分类号： H01M10/0569 , H01M10/052 , H01M10/0567 , H01M10/0568 , H01M50/46
CPC分类号： H01M10/0569 , H01M10/052 , H01M10/0567 , H01M10/0568 , H01M50/46 , H01M2300/0028
摘要： The present disclosure relates to an electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. More specifically, the electrolyte solution contains the polymer compound represented by Formula 1, and thus can improve high temperature durability, stability, and lifetime characteristics of the lithium secondary battery.
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