公开(公告)号：US12226753B2

公开(公告)日：2025-02-18

申请号：US17296529

申请日：2020-09-25

Applicant: LG CHEM, LTD.

Inventor： Kyungyeon Kang ,  Ji Yeon Kim ,  Jun Seon Choi

IPC: B01J21/08 ,  B01J23/00 ,  B01J23/02 ,  B01J23/04 ,  B01J23/18 ,  B01J23/22 ,  B01J23/26 ,  B01J23/28 ,  B01J23/30 ,  B01J23/31 ,  B01J23/34 ,  B01J23/74 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J23/78 ,  B01J23/84 ,  B01J23/843 ,  B01J23/847 ,  B01J23/85 ,  B01J23/88 ,  B01J23/881 ,  B01J23/887 ,  B01J35/10 ,  B01J35/61 ,  B01J35/63 ,  B01J35/64 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  C07C253/26

Abstract: An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1 supported on a silica carrier, wherein the catalyst has pores having a diameter of 5 to 200 nm, a pore volume of 0.1 to 3.0 cm3/g, and a BET surface area of 50 m2/g to 1,000 m2/g: Mo12BiaFebAcBdCeOx  Chemical Formula 1 wherein in Chemical Formula 1, A is one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, B is one or more elements of Li, Na, K, Rb, and Cs, C is one or more elements of Cr, W, B, Al, Ca, and V, and a to e, and x are respectively fractions of each atom or atomic group, wherein a is 0.1 to 5, b is 0.1 to 5, c is 0.1 to 10, d is 0.1 to 2, e is 0 to 10, and x is 24 to 48.

公开(公告)号：US20220002233A1

公开(公告)日：2022-01-06

申请号：US17292566

申请日：2020-09-25

Applicant: LG CHEM, LTD.

Inventor： Kyungyeon Kang ,  Ji Yeon Kim ,  Jun Seon Choi

IPC: C07C253/26 ,  B01J23/00 ,  B01J37/02 ,  B01J37/08 ,  B01J21/08 ,  B01J23/887 ,  B01J37/04 ,  B01J35/02

Abstract: There are provided an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, according to one embodiment of the invention, there is provided a catalyst having a structure in which metal oxide is supported on a silica carrier, having narrow particle size distribution, and having excellent attrition loss.

公开(公告)号：US10141574B2

公开(公告)日：2018-11-27

申请号：US15577099

申请日：2016-09-05

Applicant: LG CHEM, LTD.

Inventor： Houngsik Yoo ,  Kyungyeon Kang ,  Jongheon Seol ,  Jong Won Lee ,  Dong Hyun Kim ,  Gyemin Kwon ,  Jihee Woo ,  Yelin Kim ,  Dong Hyun Cho ,  Sang Hoon Choy ,  Hyeon Choi

IPC: H01M4/62 ,  C08C19/02 ,  C09D109/02 ,  H01M4/04 ,  H01M4/36 ,  C09C1/44 ,  C08L15/00 ,  H01M4/13 ,  C01B32/174 ,  B82Y30/00 ,  B82Y40/00

Abstract: The present disclosure relates to a carbon nanotube dispersion including carbon nanotubes, a dispersion medium, and partially hydrogenated nitrile rubber having a residual double bond (RDB) value of 0.5% by weight to 40% by weight calculated according to Mathematical Formula 1, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.

公开(公告)号：US12226757B2

公开(公告)日：2025-02-18

申请号：US17291558

申请日：2020-09-25

Applicant: LG CHEM, LTD.

Inventor： Ji Yeon Kim ,  Kyungyeon Kang ,  Jun Seon Choi

IPC: B01J21/08 ,  B01J23/00 ,  B01J23/02 ,  B01J23/04 ,  B01J23/18 ,  B01J23/22 ,  B01J23/26 ,  B01J23/28 ,  B01J23/30 ,  B01J23/31 ,  B01J23/34 ,  B01J23/74 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J23/78 ,  B01J23/84 ,  B01J23/843 ,  B01J23/847 ,  B01J23/85 ,  B01J23/88 ,  B01J23/881 ,  B01J23/887 ,  B01J35/10 ,  B01J35/30 ,  B01J35/61 ,  B01J35/63 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08

Abstract: An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1, wherein a first peak having intensity of A appears in the 2θ range of 26.3=0.5°, and a second peak having intensity of B appears in the 2θ range of 28.3±0.5° in X ray diffraction analysis by CuKα, and an intensity ratio (A/B) of the first peak to the second peak is 1.5 or more: MoxBiaFebAcBdCeDfOy  Chemical Formula 1 wherein in Chemical Formula 1, A and B are different from each other, and each independently, are one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, C is one or more elements of Li, Na, K, Rb, and Cs, D is one or more elements of Cr, W, B, Al, Ca, and V, a to f, x, and y are respectively mole fractions of each atom or atomic group, a is 0.1 to 7, b is 0.1 to 7, provided that the sum of a and b is 0.1 to 7, c is 0.1 to 10, d is 0.01 to 5, e is 0.1 to 10, f is 0 to 10, x is 11 to 14, y is a value determined by each oxidation number of Mo, Bi, Fe, A, B, C, and D.

公开(公告)号：US20230057640A1

公开(公告)日：2023-02-23

申请号：US17778744

申请日：2021-07-13

Applicant: LG CHEM, LTD.

Inventor： Kyungyeon Kang ,  Ji Yeon Kim ,  Jun Seon Choi

IPC: B01J23/887 ,  B01J21/08 ,  B01J35/10 ,  B01J35/00 ,  B01J35/02 ,  B01J37/04 ,  B01J37/02 ,  B01J37/08 ,  C07C253/26

Abstract: The present disclosure relates to an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, in one embodiment of the present disclosure, there is provided a catalyst having a structure in which a metal oxide is supported on a silica support having a narrow particle size distribution, and excellent wear resistance.

公开(公告)号：US20220395817A1

公开(公告)日：2022-12-15

申请号：US17779111

申请日：2021-07-29

Applicant: LG CHEM, LTD.

Inventor： Ji Yeon Kim ,  Kyungyeon Kang ,  Jun Seon Choi

IPC: B01J23/887 ,  B01J21/08 ,  B01J35/00 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08 ,  C07C253/26

Abstract: There is provided an ammoxidation catalyst for propylene having a structure in which molybdenum (Mo) oxide is supported first, and an oxide of heterogeneous metals including bismuth (Bi) is supported later. Related methods of making and using the catalyst are also provided.

公开(公告)号：US20220023837A1

公开(公告)日：2022-01-27

申请号：US17296529

申请日：2020-09-25

Applicant: LG CHEM, LTD.

Inventor： Kyungyeon Kang ,  Ji Yeon Kim ,  Jun Seon Choi

IPC: B01J23/00 ,  B01J35/10 ,  B01J37/04 ,  B01J37/08 ,  B01J37/02 ,  B01J23/887 ,  C07C253/26

Abstract: There are provided an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, according to one embodiment of the invention, a catalyst is realized with a structure in which metal oxide is supported on a silica carrier, and thus, using mesopores useful for adsorption and desorption of gas, a high reaction surface area can be provided, and ultimately, ammoxidation of propylene can be increased.

公开(公告)号：US20220001361A1

公开(公告)日：2022-01-06

申请号：US17291558

申请日：2020-09-25

Applicant: LG CHEM, LTD.

Inventor： Ji Yeon Kim ,  Kyungyeon Kang ,  Jun Seon Choi

IPC: B01J23/887 ,  B01J23/00 ,  B01J35/10 ,  B01J37/08 ,  B01J37/04 ,  B01J35/00 ,  B01J37/02

Abstract: There are provided an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, according to one embodiment of the invention, there is provided an ammoxidation catalyst for propylene that not only exhibits high activity to ammoxidation of propylene, but also has high amorphous phase content.

公开(公告)号：US10468685B2

公开(公告)日：2019-11-05

申请号：US15762938

申请日：2016-07-27

Applicant: LG CHEM, LTD.

Inventor： Houngsik Yoo ,  Jongheon Seol ,  Jong Won Lee ,  Dong Hyun Kim ,  Gyemin Kwon ,  Yelin Kim ,  Jungkeun Yoo ,  Dong Hyun Cho ,  Sang Hoon Choy ,  Hyeon Choi ,  Kyungyeon Kang ,  Jihee Woo

IPC: H01B1/18 ,  H01M4/62 ,  H01M10/0525 ,  C01B32/174 ,  H01M4/139 ,  B82Y30/00 ,  B82Y40/00

Abstract: The present disclosure relates to a carbon nanotube dispersion liquid comprising bundle-type carbon nanotubes; a dispersion medium; and a polyvinyl butyral resin having a weight average molecular weight of greater than 50,000, a method for preparing the same, methods for preparing electrode slurry and an electrode using the same, and an electrode and a secondary battery prepared using the carbon nanotube dispersion liquid.