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公开(公告)号：US12040484B2
公开(公告)日：2024-07-16
申请号：US16657275
申请日：2019-10-18
Applicant: LG Chem, Ltd.
Inventor： Gi Beom Han , Sang Min Park , Ji Hye Kim , Tae Gu Yoo , Wang Mo Jung
CPC classification number: H01M4/505 , H01M4/0471 , H01M4/366 , H01M4/525 , H01M10/0525 , H01M2004/028
Abstract: A positive electrode active material for a secondary battery is provided, which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a particle of the lithium composite transition metal oxide includes a core portion and a resistance portion formed on a surface of the core portion, and is composed of a single particle, wherein the core portion has a layered crystal structure of space group R-3m, and the resistance portion has a cubic rock-salt structure of space group Fm-3m.
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2.发明申请公开(公告)号：US20180233766A1
公开(公告)日：2018-08-16
申请号：US15896357
申请日：2018-02-14
Applicant: LG Chem, Ltd.
Inventor： Dae Jin Lee , Dong Hun Lee , Ji Hoon Ryu , Gi Beom Han , Dong Hwi Kim , Wang Mo Jung , Sang Wook Lee
IPC: H01M10/052 , H01M4/131 , H01M4/1391 , H01M4/62
CPC classification number: H01M10/052 , H01M4/131 , H01M4/1391 , H01M4/366 , H01M4/62 , H01M10/4235 , H01M2004/028
Abstract: The present invention relates to a positive electrode active material for a secondary battery, which comprises a core including a lithium composite metal oxide, and a surface treatment layer located on a surface of the core and including an amorphous oxide, wherein the amorphous oxide including silicon (Si), nitrogen (N) and at least one metal element selected from the group consisting of a Group 1A element, a Group 2A element, and a Group 3B element, and a method for preparing the same.
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3.发明申请HOLLOW SILICON-BASED PARTICLE, PREPARATION METHOD THEREOF AND ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME 有权中空硅基颗粒，其制备方法和阳极二次电池阳极活性材料，包括它们公开(公告)号：US20140356726A1
公开(公告)日：2014-12-04
申请号：US14464802
申请日：2014-08-21
Applicant: LG CHEM, LTD.
Inventor： Gi Beom Han , Hong Kyu Park , Wang Mo Jung , Sung Joong Kang , Chi Ho Jo , Ji Hoon Ryu
CPC classification number: H01M4/386 , H01M4/366 , H01M4/485 , H01M4/625 , H01M10/052
Abstract: A hollow silicon-based particle including silicon (Si) or silicon oxide (SiOx, 0
Abstract translation: 包括其中包含中空芯部的硅（Si）或氧化硅（SiO x，0
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4.发明申请Si/C COMPOSITE, METHOD OF PREPARING THE SAME, AND ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY INCLUDING THE Si/C COMPOSITE 有权Si / C复合材料，其制备方法和用于含Si / C复合材料的锂二次电池的阳极活性材料公开(公告)号：US20140242455A1
公开(公告)日：2014-08-28
申请号：US14272636
申请日：2014-05-08
Applicant: LG Chem, Ltd.
Inventor： Ji Hoon Ryu , Hong Kyu Park , Wang Mo Jung , Sung Joong Kang , Chi Ho Jo , Gi Beom Han
CPC classification number: H01M4/364 , H01M4/0404 , H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/587
Abstract: Provided are a Si/C composite, in which carbon (C) is dispersed in an atomic state in a silicon (Si) particle, and a method of preparing the Si/C composite.Since the Si/C composite of the present invention is used as an anode active material, electrical conductivity may be further improved and volume expansion may be minimized. Thus, life characteristics of a lithium secondary battery may be improved.
Abstract translation: 提供了其中碳（C）以硅（Si）颗粒中的原子状态分散的Si / C复合材料以及Si / C复合材料的制备方法。 由于本发明的Si / C复合材料用作负极活性材料，所以可以进一步提高导电性，并且可以使体积膨胀最小化。 因此，可以提高锂二次电池的寿命特性。
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公开(公告)号：US11289695B2
公开(公告)日：2022-03-29
申请号：US16489562
申请日：2018-09-07
Applicant: LG Chem, Ltd.
Inventor： Gi Beom Han , Jintae Hwang , Sungbin Park , Wang Mo Jung
IPC: H01B1/08 , H01M4/36 , C01G41/00 , C01G53/00 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M4/02
Abstract: A positive electrode active material includes a lithium-rich lithium manganese-based oxide, wherein the lithium-rich lithium manganese-based oxide is represented by the following chemical formula (1), Li1+aNixCoyMnzMvO2-bAb (1) wherein, 0
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Patent Agency Ranking
公开(公告)号：US11258054B2
公开(公告)日：2022-02-22
申请号：US16489922
申请日：2018-09-07
Applicant: LG Chem, Ltd.
Inventor： Gi Beom Han , Min Kyu You , Chi Ho Jo , Jintae Hwang , Wang Mo Jung , Sungbin Park
IPC: H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M4/02
Abstract: A positive electrode active material contains a lithium-rich lithium manganese-based oxide represented by chemical formula (1), Li1+aNixCoyMnzMvO2−bAb (1) wherein, 0
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公开(公告)号：US20220037658A1
公开(公告)日：2022-02-03
申请号：US17279759
申请日：2019-10-21
Applicant: LG Chem, Ltd.
Inventor： Sang Min Park , Ji Hye Kim , Tae Gu Yoo , Wang Mo Jung , Gi Beom Han
IPC: H01M4/525 , H01M4/505 , H01M4/04 , H01M10/0525
Abstract: A lithium composite transition metal oxide includes nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide includes two or more kinds of first dopants selected from the group consisting of Zr, Al, V, Co, and Mg and two or more kinds of second dopants selected from the group consisting of Ti, Y, Sr, Nb, Ba, and Ca, and particles of the lithium composite transition metal oxide has a crystallite size of 170-300 nm.
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公开(公告)号：US20200083522A1
公开(公告)日：2020-03-12
申请号：US16489922
申请日：2018-09-07
Applicant: LG Chem, Ltd.
Inventor： Gi Beom Han , Min Kyu You , Chi Ho Jo , Jintae Hwang , Wang Mo Jung , Sungbin Park
IPC: H01M4/131 , H01M10/0525 , H01M4/505 , H01M4/525
Abstract: The present invention provides a positive electrode active material comprising a lithium-rich lithium manganese-based oxide, wherein the lithium-rich lithium manganese-based oxide is represented by the following chemical formula (1), Li1+aNixCoyMnzMvO2−bAb (1) wherein, 0
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公开(公告)号：US10236503B2
公开(公告)日：2019-03-19
申请号：US14648038
申请日：2014-01-02
Applicant: LG Chem, Ltd.
Inventor： Ji Hoon Ryu , Sung Joong Kang , Seong Hoon Kang , Sang Seung Oh , Wang Mo Jung , Chi Ho Jo , Gi Beom Han
IPC: B01F5/02 , B01F7/00 , B01J3/00 , C01G1/02 , H01M4/02 , B01F13/10 , B01J19/18 , B01J19/28 , C01B25/45 , H01M4/485 , H01M10/0525
Abstract: A device for preparing a lithium composite transition metal oxide includes first and second mixers continuously arranged in a direction in which a fluid proceeds, wherein the first mixer has a closed structure including a hollow fixed cylinder, a rotating cylinder having the same axis as that of the hollow fixed cylinder and having an outer diameter that is smaller than an inner diameter of the fixed cylinder, an electric motor to generate power for rotation of the rotating cylinder, a rotation reaction space, as a separation space between the hollow fixed cylinder and the rotating cylinder, in which ring-shaped vortex pairs periodically arranged along a rotating shaft and rotating in opposite directions are formed, first inlets through which raw materials are introduced into the rotation reaction space, and a first outlet to discharge a reaction fluid formed from the rotation reaction space.
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公开(公告)号：US12148926B2
公开(公告)日：2024-11-19
申请号：US17279759
申请日：2019-10-21
Applicant: LG Chem, Ltd.
Inventor： Sang Min Park , Ji Hye Kim , Tae Gu Yoo , Wang Mo Jung , Gi Beom Han
Abstract: A lithium composite transition metal oxide includes nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide includes two or more kinds of first dopants selected from the group consisting of Zr, Al, V, Co, and Mg and two or more kinds of second dopants selected from the group consisting of Ti, Y, Sr, Nb, Ba, and Ca, and particles of the lithium composite transition metal oxide has a crystallite size of 170-300 nm.
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