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公开(公告)号：US20240243380A1
公开(公告)日：2024-07-18
申请号：US18542789
申请日：2023-12-18
发明人： Su Hyang SHIM , Ji Yun PARK , Su Min YOO , Keum Jung YOON , Hyeon Hui LEE
摘要： In a method of recovering a transition metal, a first raw material containing an oxidized transition metal and a second raw material containing a reduced transition metal are prepared. A leached liquid containing at least one of nickel, cobalt and manganese is obtained from a raw material mixture of the first raw material and the second raw material. At least one of nickel, cobalt and manganese is obtained from the leached liquid.
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公开(公告)号：US12040464B2
公开(公告)日：2024-07-16
申请号：US18193408
申请日：2023-03-30
发明人： Yun Bong Kim , Kyu Young Cho , Jong Sang Park , Hye Jin Lee
IPC分类号： H01M10/54 , H01M50/403 , H01M50/431 , H01M50/443 , H01M50/446
CPC分类号： H01M10/54 , H01M50/403 , H01M50/431 , H01M50/443 , H01M50/446
摘要： Provided is a method of continuously regenerating a separator including inorganic particles. According to an embodiment of the present disclosure, a method of continuously regenerating a separator including inorganic particles including: impregnating a separator of which at least a part of the surface is coated with a coating layer including inorganic particles in a water tank, and then performing a surface polishing treatment to release the coating layer coated on the surface of the separator; and drying the separator from which the coating layer has been released may be provided.
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公开(公告)号：US12038559B2
公开(公告)日：2024-07-16
申请号：US17237130
申请日：2021-04-22
发明人： Hye Jin Kim , Byoung Sun Ko , Min Sang Park
IPC分类号： G02B1/14 , B32B27/34 , G02B1/04 , G02F1/1333 , G06F1/16
CPC分类号： G02B1/14 , B32B27/34 , G02B1/04 , G02F1/133305 , G06F1/1652 , B32B2307/51 , B32B2457/202 , B32B2457/206 , C09K2323/03 , C09K2323/06
摘要： Provided are a window cover film and a display panel including the same. More specifically, a window cover film includes a polyimide-based film, and an inorganic thin film layer and a hard coating layer formed on at least one surface of the polyimide-based film. A light transmittance measured at 388 nm is 50% or less and a total light transmittance measured at 400 to 700 nm is 87% or more, is provided.
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24.发明公开公开(公告)号：US20240213537A1
公开(公告)日：2024-06-27
申请号：US18539453
申请日：2023-12-14
发明人： Min Woo Park , Myoung Lae Kim , Hyun Ji Jeon
IPC分类号： H01M10/0567 , H01M4/38 , H01M4/58 , H01M10/052 , H01M10/0568 , H01M10/0569
CPC分类号： H01M10/0567 , H01M4/382 , H01M4/58 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M2004/028
摘要： An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive represented by Formula 1 below; an organic solvent; and a lithium salt:
wherein in Formula 1, R1 to R4 are each independently hydrogen, or a substituted or unsubstituted C1-C10 alkyl group, and R5 and R6 are each independently hydrogen, a substituted or unsubstituted C1-C10 alkyl group, or a substituted or unsubstituted amine group. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery having a specific composition may have improved low and high temperature characteristics.-
25.发明授权公开(公告)号：US12021257B2
公开(公告)日：2024-06-25
申请号：US18331692
申请日：2023-06-08
发明人： Tae Wook Kwon , Heung Taek Bae
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including: a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate may be provided, wherein a value of the following Formula (1) is 0.135 or more: (1) BDV/t, wherein BDV is a voltage (kV) when a leakage current value is 5 mA, and t is an overall average thickness (μm) of the separator.
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26.发明授权公开(公告)号：US12015170B2
公开(公告)日：2024-06-18
申请号：US18331272
申请日：2023-06-08
发明人： Yun Bong Kim , Kyu Young Cho , Tae Wook Kwon , Heung Taek Bae
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： A separator, a method of manufacturing the separator, and an electrochemical device including the separator. The separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds.
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27.发明公开公开(公告)号：US20240195012A1
公开(公告)日：2024-06-13
申请号：US18523585
申请日：2023-11-29
发明人： Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/451 , H01M50/403 , H01M50/42 , H01M50/423 , H01M50/431 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/489
CPC分类号： H01M50/451 , H01M50/403 , H01M50/42 , H01M50/423 , H01M50/431 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/489
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment, a separator including: a porous substrate; and an inorganic particle layer including a binder and inorganic particles on at least one surface of the porous substrate may be provided, wherein the binder is a water-soluble binder including a (meth)acrylamide-based monomer polymerization unit and the separator has a value of the following Formula (1) satisfying 0.15 or more:
BDV/t (1)
wherein
‘BDV’ is a voltage (kV) measured in accordance with ASTM D 3755, when a leakage current value is 5 mA, measured under conditions of raising an applied voltage at 5 kV/10 sec after placing the separator between electrodes of a withstand voltage tester (Hipot Tester), and
‘t’ is an overall average thickness (μm) of the separator.-
公开(公告)号：US12009491B2
公开(公告)日：2024-06-11
申请号：US17474684
申请日：2021-09-14
发明人： Sang Han Lee , Yong Hyun Cho , Min Gu Kang , Min Suk Kang , Yoon Ji Lee
IPC分类号： H01M10/52 , H01M4/13 , H01M4/62 , H01M10/0525 , H01M4/02
CPC分类号： H01M10/52 , H01M4/13 , H01M4/628 , H01M10/0525 , H01M2004/027
摘要： A lithium secondary battery according to an embodiment of the present invention includes an electrode assembly including a separation layer, and a plurality of cathodes and a plurality of anodes separated by the separation layer and repeatedly stacked, and a gas adsorption layer coated on a single surface of an outermost anode among the plurality of anodes.
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29.发明公开公开(公告)号：US20240186512A1
公开(公告)日：2024-06-06
申请号：US18523629
申请日：2023-11-29
发明人： Min Suk KANG , Hyo Shik KIL , Ji Yae DO , Min Cheol BEAK
IPC分类号： H01M4/58 , H01M4/38 , H01M10/052
CPC分类号： H01M4/5825 , H01M4/382 , H01M10/052 , H01M2004/028
摘要： Cathode active materials for lithium secondary batteries and lithium secondary batteries including the cathode active materials are disclosed. In an embodiment, a cathode active material includes a lithium iron phosphate-based particle including a surface portion and a central portion, both of which includes vanadium (V). A total weight of the vanadium contained in the lithium iron phosphate-based particle includes a first weight amount of vanadium contained in the surface portion of the lithium iron phosphate-based particle and a second weight amount of vanadium contained in the central portion of the lithium iron phosphate-based particle, and the first weight amount is greater than the second weight amount.
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30.发明公开公开(公告)号：US20240186489A1
公开(公告)日：2024-06-06
申请号：US18343747
申请日：2023-06-29
发明人： Ji Yae DO , Min Suk KANG , Min Cheol BEAK , Kwang Ho LEE , Jae Young CHOI
CPC分类号： H01M4/366 , C01B25/45 , H01M4/133 , H01M4/136 , H01M4/5825 , H01M4/587 , H01M2004/028
摘要： A cathode active material for a lithium secondary battery according to an embodiment of the present disclosures a plurality of composite particles, each of which comprises a lithium metal phosphate particle, and a carbon coating formed on at least a portion of a surface of the lithium metal phosphate particle. A standard deviation of thickness values of the carbon coating measured by an X-ray photoelectron spectroscopy (XPS) for five different composite particles of the plurality of composite particles is 15 nm or less.
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