公开(公告)号：US10391475B2

公开(公告)日：2019-08-27

申请号：US15531594

申请日：2015-11-30

Applicant: The Texas A&M University System

Inventor： Choongho Yu ,  Gang Yang ,  Woongchul Choi

IPC: C01B32/182 ,  B01J21/18 ,  H01M4/96 ,  H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  B01J23/745 ,  B01J35/00 ,  C01B32/16 ,  H01M12/08 ,  H01M8/1018

Abstract: Disclosed are non-noble element compositions of matter, structures, and methods for producing the catalysts that can catalyze oxygen reduction reactions (ORR). The disclosed composition of matter can be comprised of graphitic carbon doped with nitrogen and associated with one or two kinds of transition metals. The disclosed structure is a three dimensional, porous structure comprised of a plurality of the disclosed compositions of matter. The disclosed structure can be fashioned into an electrode of an electrochemical cell to serve as a diffusion layer and also to catalyze an ORR. Two methods are disclosed for producing the disclosed composition of matter and structure. The first method is comprised of two steps, and the second method is comprised of a single step.

公开(公告)号：US20190106613A1

公开(公告)日：2019-04-11

申请号：US16091889

申请日：2017-04-07

Applicant: The Texas A&M University System

Inventor： Hong Wang ,  Choongho Yu ,  Gang Yang

IPC: C09K5/14 ,  C01B32/168 ,  C08J5/24 ,  C23C16/26 ,  C22C32/00 ,  F28F21/02 ,  F28F21/06

Abstract: A method of forming an polymer composites is disclosed herein that includes infiltrating CNT sponges with a polymer or metal to form a composite. The method uses a relatively easy, scalable, and low-cost synthesis process that makes the composites attractive as TIM. CNTs in the sponge structure are covalently bonded, resulting in a low Young's modulus while at the same time maintaining a good thermal conductivity. This strategy makes it possible to obtain both high deformability and high thermal conductivity, which are difficult to have simultaneously due to their adverse correlation.

公开(公告)号：US11597861B2

公开(公告)日：2023-03-07

申请号：US17142032

申请日：2021-01-05

Applicant: The Texas A&M University System

Inventor： Choongho Yu ,  Hong Wang ,  Gang Yang

IPC: C09K5/14 ,  F28F21/02 ,  H01L23/373 ,  C01B32/158 ,  C08K3/04 ,  C08J5/00 ,  C01B32/168 ,  C22C32/00 ,  C23C16/26 ,  F28F21/06 ,  F28F21/08 ,  H01L23/433 ,  B82Y30/00 ,  B82Y40/00

Abstract: A method of forming an polymer composites is disclosed herein that includes infiltrating CNT sponges with a polymer or metal to form a composite. The method uses a relatively easy, scalable, and low-cost synthesis process that makes the composites attractive as TIM. CNTs in the sponge structure are covalently bonded, resulting in a low Young's modulus while at the same time maintaining a good thermal conductivity. This strategy makes it possible to obtain both high deformability and high thermal conductivity, which are difficult to have simultaneously due to their adverse correlation.

公开(公告)号：US20210328252A1

公开(公告)日：2021-10-21

申请号：US17171828

申请日：2021-02-09

Applicant: The Texas A&M University System

Inventor： Gang Yang ,  Choongho Yu

IPC: H01M10/052 ,  H01M4/38 ,  H01M4/66 ,  H01M4/80 ,  H01M10/0585

Abstract: Embodiments of the claimed invention are directed to a device, comprising: an anode that includes a lithiated silicon-based or lithiated carbon-based material or pure lithium metal or metal oxides and a sandwich-type sulfur-based cathode, wherein the anode and the cathode are designed to have porous structures. An additional embodiment of the invention is directed to a scalable method of manufacturing sandwich-type Li—S batteries at a significantly reduced cost compared to traditional methods. An additional embodiment is directed to the use of exfoliated CNT sponges for enlarging the percentage of sulfur in the cathode to have large energy density.

公开(公告)号：US20190336943A1

公开(公告)日：2019-11-07

申请号：US16502011

申请日：2019-07-02

Applicant: The Texas A&M University System

Inventor： Woongchul Choi ,  Gang Yang ,  Choongho YU

IPC: B01J21/18 ,  B01J35/00 ,  H01M4/86 ,  H01M4/88 ,  C01B32/16 ,  H01M4/96 ,  B01J23/745 ,  H01M4/90

Abstract: Disclosed are non-noble element compositions of matter, structures, and methods for producing the catalysts that can catalyze oxygen reduction reactions (ORR). The disclosed composition of matter can be comprised of graphitic carbon doped with nitrogen and associated with one or two kinds of transition metals. The disclosed structure is a three dimensional, porous structure comprised of a plurality of the disclosed compositions of matter. The disclosed structure can be fashioned into an electrode of an electrochemical cell to serve as a diffusion layer and also to catalyze an ORR. Two methods are disclosed for producing the disclosed composition of matter and structure. The first method is comprised of two steps, and the second method is comprised of a single step.

公开(公告)号：US10950886B2

公开(公告)日：2021-03-16

申请号：US16063950

申请日：2017-01-05

Applicant: The Texas A&M University System

Inventor： Choongho Yu ,  Gang Yang

IPC: H01M10/052 ,  H01M4/38 ,  H01M4/80 ,  H01M4/66 ,  H01M10/0585 ,  H01M4/02

Abstract: Embodiments of the claimed invention are directed to a device, comprising: an anode that includes a lithiated silicon-based or lithiated carbon-based material or pure lithium metal or metal oxides and a sandwich-type sulfur-based cathode, wherein the anode and the cathode are designed to have porous structures. An additional embodiment of the invention is directed to a scalable method of manufacturing sandwich-type Li—S batteries at a significantly reduced cost compared to traditional methods. An additional embodiment is directed to the use of exfolidated CNT sponges for enlarging the percentage of sulfur in the cathode to have large energy density.

公开(公告)号：US20200274186A1

公开(公告)日：2020-08-27

申请号：US16063950

申请日：2017-01-05

Applicant: The Texas A&M University System

Inventor： Choongho Yu ,  Gang Yang

IPC: H01M10/052 ,  H01M4/38 ,  H01M4/80 ,  H01M4/66 ,  H01M10/0585

Abstract: Embodiments of the claimed invention are directed to a device, comprising: an anode that includes a lithiated silicon-based or lithiated carbon-based material or pure lithium metal or metal oxides and a sandwich-type sulfur-based cathode, wherein the anode and the cathode are designed to have porous structures. An additional embodiment of the invention is directed to a scalable method of manufacturing sandwich-type Li—S batteries at a significantly reduced cost compared to traditional methods. An additional embodiment is directed to the use of exfolidated CNT sponges for enlarging the percentage of sulfur in the cathode to have large energy density.

公开(公告)号：US11539069B2

公开(公告)日：2022-12-27

申请号：US17171828

申请日：2021-02-09

Applicant: The Texas A&M University System

Inventor： Gang Yang ,  Choongho Yu

IPC: H01M10/052 ,  H01M10/0585 ,  H01M4/38 ,  H01M4/66 ,  H01M4/80 ,  H01M4/58 ,  H01M10/647 ,  H01M4/02

Abstract: Embodiments of the claimed invention are directed to a device, comprising: an anode that includes a lithiated silicon-based or lithiated carbon-based material or pure lithium metal or metal oxides and a sandwich-type sulfur-based cathode, wherein the anode and the cathode are designed to have porous structures. An additional embodiment of the invention is directed to a scalable method of manufacturing sandwich-type Li—S batteries at a significantly reduced cost compared to traditional methods. An additional embodiment is directed to the use of exfoliated CNT sponges for enlarging the percentage of sulfur in the cathode to have large energy density.

公开(公告)号：US20210147740A1

公开(公告)日：2021-05-20

申请号：US17142032

申请日：2021-01-05

Applicant: The Texas A&M University System

Inventor： Choongho Yu ,  Hong Wang ,  Gang Yang

IPC: C09K5/14 ,  F28F21/02 ,  H01L23/373 ,  C01B32/158 ,  C08K3/04 ,  C01B32/168 ,  C08J5/24 ,  C22C32/00 ,  C23C16/26 ,  F28F21/06

Abstract: A method of forming an polymer composites is disclosed herein that includes infiltrating CNT sponges with a polymer or metal to form a composite. The method uses a relatively easy, scalable, and low-cost synthesis process that makes the composites attractive as TIM. CNTs in the sponge structure are covalently bonded, resulting in a low Young's modulus while at the same time maintaining a good thermal conductivity. This strategy makes it possible to obtain both high deformability and high thermal conductivity, which are difficult to have simultaneously due to their adverse correlation.

公开(公告)号：US10780419B2

公开(公告)日：2020-09-22

申请号：US16502011

申请日：2019-07-02

Applicant: The Texas A&M University System

Inventor： Woongchul Choi ,  Gang Yang ,  Choongho Yu

IPC: B01J21/18 ,  H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  B01J23/745 ,  B01J35/00 ,  H01M4/96 ,  C01B32/16 ,  H01M12/08 ,  H01M8/1018

Abstract: Disclosed are non-noble element compositions of matter, structures, and methods for producing the catalysts that can catalyze oxygen reduction reactions (ORR). The disclosed composition of matter can be comprised of graphitic carbon doped with nitrogen and associated with one or two kinds of transition metals. The disclosed structure is a three dimensional, porous structure comprised of a plurality of the disclosed compositions of matter. The disclosed structure can be fashioned into an electrode of an electrochemical cell to serve as a diffusion layer and also to catalyze an ORR. Two methods are disclosed for producing the disclosed composition of matter and structure. The first method is comprised of two steps, and the second method is comprised of a single step.