Patents by Inventor Wenbin Liang

Wenbin Liang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240282965
    Abstract: The present invention relates to the field of carbon materials, and discloses a graphite negative electrode material, and a preparation method and application thereof. A crystal size Lc in a c-axis direction and a crystal size La in an a-axis direction, which are obtained by XRD, of the graphite negative electrode material, satisfy the following conditions: 30 nm?Lc?70 nm formula (I); and 50 nm?La?120 nm formula (II); and a graphitization degree of the graphite negative electrode material satisfies the following condition: 85?graphitization degree?93 formula (III). The graphite negative electrode material has high charge-discharge capacity, a high initial coulombic efficiency and excellent rate capability, and the preparation method thereof is simple in process and low in cost.
    Type: Application
    Filed: November 29, 2021
    Publication date: August 22, 2024
    Applicant: NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY
    Inventors: Guanghong PAN, Zhijiang SU, Wenbin LIANG, Chang WEI, Quanbin CHEN
  • Publication number: 20240262692
    Abstract: The present invention relates to the field of carbon materials, and discloses a negative electrode material, a preparation method and application thereof, and a negative electrode plate and application thereof. The negative electrode material has the following features: (1) a total pore volume of the negative electrode material is less than or equal to 0.02 cm3/g, and a volume of mesopores having a pore diameter of 2 nm to 50 nm is 0.0001 cm3/g to 0.02 cm3/g; and (2) a height ratio of a D peak to a G peak, obtained by Raman spectroscopy, of the negative electrode material meets the following condition: 0.20?ID/IG?1. The negative electrode material has high structural compactness and small crystal particle size, so that a battery containing the negative electrode material not only has high charge-discharge capacity, high initial coulombic efficiency and excellent rate capability, but also has excellent continuous high-rate cycle performance, and the preparation method is simple in process and low in cost.
    Type: Application
    Filed: November 29, 2021
    Publication date: August 8, 2024
    Applicant: NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY
    Inventors: Guanghong PAN, Zhijiang SU, Wenbin LIANG, Chang WEI, Quanbin CHEN
  • Patent number: 12027706
    Abstract: The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an use thereof. The amorphous carbon material has the following characteristics: (1) the true density ? of the amorphous carbon material and the interlayer spacing d002 obtained by powder XRD spectrum analysis satisfy the relational formula: 100×?×d002?70; (2) the interlayer spacing d002, La and Lc satisfy the following relational formula: Lc?d002?0.58; and 100×(Lc/La2)×d0023?0.425; (3) the amorphous carbon material contains 0.001-2% of a silicon component and 0.001-2% of an aluminum component, based on the total mass of the amorphous carbon material. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: July 2, 2024
    Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
    Inventors: Guanghong Pan, Wenbin Liang, Kun Tang, Yajun Tian, Danmiao Kang, Chunting Duan, Libin Kang, Chang Wei
  • Patent number: 12017916
    Abstract: The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an application thereof. The amorphous carbon material has the following characteristics: (1) a true density ? of the amorphous carbon material and a interlayer spacing d002 obtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula: 100×?×d002?70; (2) the interlayer spacing d002, La and Lc of the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula: Lc×d002?0.58, and 100×(Lc/La2)×d0023?0.425 wherein ? is denoted by the unit of g/cm3, each of d002, Lc and La is denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: June 25, 2024
    Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
    Inventors: Guanghong Pan, Wenbin Liang, Kun Tang, Yajun Tian, Danmiao Kang, Chunting Duan, Libin Kang, Chang Wei
  • Publication number: 20240191123
    Abstract: Provided a heat storage graphite having a low degree of orientation, a composition for preparing heat storage graphite having a low degree of orientation, and a method for preparing heat storage graphite having a low degree of orientation. The heat storage graphite comprises, in terms of the total mass of the heat storage graphite, 65-85 wt % of dispersed-phase graphite and 15-35 wt % of continuous-phase graphite, wherein the dispersed-phase graphite is spherical graphite, and the sphericity of the spherical graphite is 0.5-1; the ratio of the vertical thermal conductivity/plane-oriented thermal conductivity of the heat storage graphite is 0.4-0.8; and the plane-oriented thermal conductivity of the heat storage graphite is 50-150 W/mK. The heat storage graphite has the advantages of a low degree of orientation and high plane-oriented thermal conductivity.
    Type: Application
    Filed: November 26, 2021
    Publication date: June 13, 2024
    Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY
    Inventors: Chunting DUAN, Chang WEI, Wenbin LIANG, Junqing LIU, Dongfang ZHENG, Guanghui GAO, Ying SHENG, Chengyu WEN
  • Publication number: 20240191124
    Abstract: The present invention relates to the technical field of heat storage materials. Disclosed are a coal-based heat storage carbon material and a preparation method therefor and the application thereof, and a composition for preparing a coal-based heat storage carbon material and the application of the composition. The coal-based heat storage material comprises component A and component B. The ID/IG of component A is 0-0.6, and the ID/IG of component B is greater than 1, wherein ID is the height of a D peak obtained by means of a Raman spectrum, and IG is the height of a G peak obtained by means of the Raman spectrum. In the coal-based heat storage material, the crystallite size Lc in a c-axis direction obtained by means of XRD is 15-70 nm; the crystallite size La in an a-axis direction is 15-150 nm; and the interlayer spacing d002 of a (002) crystal plane is 3.345-3.370 nm.
    Type: Application
    Filed: November 26, 2021
    Publication date: June 13, 2024
    Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY
    Inventors: Guanghui GAO, Chang WEI, Wenbin LIANG, Junqing LIU, Chunting DUAN, Dongfang ZHENG, Bo FENG, Kai REN, Ying SHENG, Chengyu WEN
  • Publication number: 20240191078
    Abstract: Provided is a UV curable organopolysiloxane composition containing silicon atoms. A product obtained by curing the composition has low light transmittance in a predetermined UV wavelength range, and excellent workability when applied to a substrate. The UV curable composition of the present disclosure comprises: (S) 90 to 99.99 parts by mass of one or more of the following component (S1) or component (S2); (S1) an organopolysiloxane and/or organosilane having a UV curable functional group, (S2) a mixture containing (A) a compound with a UV curable functional group, with or without silicon atoms, and (B) an organopolysiloxane without a UV curable functional group, at a mass ratio of 5:95 to 95:5; and (C) 0.01 to 10 parts by mass of a UV absorbing compound. The total of component (S) and component (C) is 100 parts by mass.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 13, 2024
    Inventors: Takuya OGAWA, Wenbin LIANG, Tomohiro IIMURA, EunKyung JANG, Jaehoon JEONG
  • Publication number: 20240174909
    Abstract: The present invention relates to the fields of heat storage and thermally conductive materials, and discloses a highly thermally conductive heat storage material, a preparation method therefor, and the application thereof, and a composition for preparing a highly thermally conductive heat storage material and the application thereof. The highly thermally conductive heat storage material comprises 11-41 wt % of a carbonaceous part and 59-89 wt % of a graphitic part; for the carbonaceous part, Lc>18 nm, La>35 nm, d002<0.3388 nm, and the degree of graphitization is 60% to 95%; for the graphitic part, Lc>50 nm; La>80 nm; d002<0.3358 nm, and the degree of graphitization is 95% to 100%. The highly thermally conductive heat storage material comprises a carbonaceous part with a specific structure and a graphitic part with a specific structure, and the heat storage material obtained thereby possesses high thermal conductivity and high compressive strength.
    Type: Application
    Filed: November 26, 2021
    Publication date: May 30, 2024
    Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY
    Inventors: Dongfang ZHENG, Wenbin LIANG, Chang WEI, Junqing LIU, Ying SHENG, Chunting DUAN, Jianming WEI, Guanghui GAO, Chengyu WEN
  • Patent number: 11677069
    Abstract: The present disclosure relates to the field of carbonaceous composite materials, in particular to a silicon-carbon composite material and a preparation method and a use thereof. The silicon-carbon composite material comprises a composite carbon material and nanometer silicon dispersed therein, wherein the composite carbon material is consisting of a graphitic crystal phase and an amorphous carbon phase, wherein the ratio I002/Iamor of the peak intensity I002 of the graphite crystal phase (002) plane relative to the peak intensity Iamor of the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, the graphite crystalline phase is uniformly dispersed in the composite material, the dispersion coefficient ? of the ratio Id/Ig of Id and Ig as measured by Raman data is less than 0.8.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: June 13, 2023
    Assignees: China Energy Investment Corporation Limited, National Institute of Clean-And-Low-Carbon Energy
    Inventors: Peng Liang, Wenbin Liang, Chang Wei, Junqing Liu, Dongfang Zheng, Guanghong Pan
  • Publication number: 20220396678
    Abstract: A foamable polypropylene composition, and foamed polypropylene and a preparation method therefor are provided. The polypropylene composition comprises polypropylene, a polypropylene modifier, a foaming agent, and an optional nucleating agent. A preparation method for the polypropylene modifier comprises: enabling polar monomer grafted polypropylene to be in contact with a component A to react and carrying out extruding pelletizing, wherein a polar monomer in the polar monomer grafted polypropylene can chemically react with the component A; the polar monomer is selected from at least one of dimethylamino methacrylate, epoxy acrylate, trimeric acrylic isocyanurate, and acrylamide; and the component A is selected from at least one of polyisocyanate, polyethylene oxide, and an amido-containing substance. The foamed polypropylene has an obtained foaming ratio of 12 times or more, and also has high tensile and flexural properties.
    Type: Application
    Filed: April 9, 2020
    Publication date: December 15, 2022
    Inventors: Fang YU, WenBin LIANG, Yi MA, YinLing ZHANG, ZhiCheng ZHANG
  • Publication number: 20220267496
    Abstract: A polypropylene modifier and a preparation method therefor, polypropylene composition, and polypropylene material comprising the polypropylene modifier and a preparation method therefor are provided. The preparation method for the polypropylene modifier comprises: bringing a polar monomer grafted polypropylene into contact with a component A to carry out reactive extrusion and granulation, and then carrying out drying, wherein a polar monomer in the polar monomer grafted polypropylene is capable of chemically reacting with the component A; in formula (1), the polar monomer is selected from maleic anhydride, acrylic acid, and acrylate, etc; and the component A is selected from polyisocyanate, etc; and in formula (2), the polar monomer is selected from ditnethylaminoethyl methacrylate and epoxy acrylate, etc; and the component A is selected from polyisocyanate and polyethylene oxide, etc.
    Type: Application
    Filed: April 9, 2020
    Publication date: August 25, 2022
    Inventors: Fang YU, WenBin LIANG, Yi MA, GuoGang LIU, ChunBo ZHANG
  • Patent number: 11411216
    Abstract: A flow battery field, an electrode slurry, a slurry electrode, a flow battery, and a stack are disclosed. The electrode slurry comprising electrode particles and electrolyte that contains active substance. Based on 100 pbw active substance, the electrode particles are 10-1,000 pbw. The slurry electrode comprises: a bipolar plate, a current collector, and a slurry electrode reservoir configured to store electrode slurry. In the two opposite sides of the bipolar plate, one side is adjacent to the current collector, and the other side is arranged with a slurry electrode cavity, and flow channels are arranged and extended between the bipolar plate and the slurry electrode cavity, so that the electrode slurry is circulated between the slurry electrode cavity and the slurry electrode reservoir. A flow battery that employs the electrode slurry can provide higher and more stable power output under the same current condition and is lower in cost.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: August 9, 2022
    Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
    Inventors: Qinghua Liu, John P. Lemmon, Chang Wei, Wenqiang Xu, Yonglong Li, Wenbin Liang
  • Publication number: 20210234157
    Abstract: The present disclosure relates to the field of carbonaceous composite materials, in particular to a silicon-carbon composite material and a preparation method and a use thereof. The silicon-carbon composite material comprises a composite carbon material and nanometer silicon dispersed therein, wherein the composite carbon material is consisting of a graphitic crystal phase and an amorphous carbon phase, wherein the ratio I002/Iamor of the peak intensity I002 of the graphite crystal phase (002) plane relative to the peak intensity Iamor of the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, the graphite crystalline phase is uniformly dispersed in the composite material, the dispersion coefficient ? of the ratio Id/Ig of Id and Ig as measured by Raman data is less than 0.8.
    Type: Application
    Filed: August 13, 2018
    Publication date: July 29, 2021
    Inventors: Peng LIANG, Wenbin LIANG, Chang WEI, Junqing LIU, Dongfang ZHENG, Guanghong PAN
  • Publication number: 20210229998
    Abstract: The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an application thereof. The amorphous carbon material has the following characteristics: (1) a true density ? of the amorphous carbon material and a interlayer spacing d002 obtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula: 100×?×d002?70; (2) the interlayer spacing d002, La and Lc of the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula: Lc×d002?0.58, and 100×(Lc/La2)×d0023?0.425, wherein ? is denoted by the unit of g/cm3, each of d002, Lc and La is denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.
    Type: Application
    Filed: August 13, 2018
    Publication date: July 29, 2021
    Inventors: Guanghong PAN, Wenbin LIANG, Kun TANG, Yajun TIAN, Danmiao KANG, Chunting DUAN, Libin KANG, Chang WEI
  • Publication number: 20210226214
    Abstract: The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an use thereof. The amorphous carbon material has the following characteristics: (1) the true density ? of the amorphous carbon material and the interlayer spacing d002 obtained by powder XRD spectrum analysis satisfy the relational formula: 100×?×d002?70; (2) the interlayer spacing d002, La and Lc satisfy the following relational formula: Lc×d002?0.58; and 100×(Lc/La2)×d0023?0.425; (3) the amorphous carbon material contains 0.001-2% of a silicon component and 0.001-2% of an aluminum component, based on the total mass of the amorphous carbon material. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.
    Type: Application
    Filed: August 13, 2018
    Publication date: July 22, 2021
    Inventors: Guanghong PAN, Wenbin LIANG, Kun TANG, Yajun TIAN, Danmiao KANG, Chunting DUAN, Libin KANG, Chang WEI
  • Publication number: 20210214225
    Abstract: A composite carbon material and a preparation method and a use thereof. The composite carbon material comprises a graphite crystal phase and an amorphous carbon phase, wherein the ratio I002/Iamor of the peak intensity I002 of the graphite crystal phase (002) plane relative to the peak intensity Iamor of the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, and the content of the graphite crystal phase is not less than 5 wt %. The composite carbon material has high compressive strength, bending strength and thermal conductivity, and can be used as a heat dissipation material; the composite carbon material can also be used as an anode material of a lithium ion battery such that the lithium ion battery exhibits excellent electrochemical performance.
    Type: Application
    Filed: August 13, 2018
    Publication date: July 15, 2021
    Inventors: Peng LIANG, Wenbin LIANG, Chang WEI, Junqing LIU, Dongfang ZHENG, Chunting DUAN, Guanghong PAN
  • Publication number: 20190252677
    Abstract: A flow battery field, an electrode slurry, a slurry electrode, a flow battery, and a stack are disclosed. The electrode slurry comprising electrode particles and electrolyte that contains active substance. Based on 100 pbw active substance, the electrode particles are 10-1,000 pbw. The slurry electrode comprises: a bipolar plate, a current collector, and a slurry electrode reservoir configured to store electrode slurry. In the two opposite sides of the bipolar plate, one side is adjacent to the current collector, and the other side is arranged with a slurry electrode cavity, and flow channels are arranged and extended between the bipolar plate and the slurry electrode cavity, so that the electrode slurry is circulated between the slurry electrode cavity and the slurry electrode reservoir. A flow battery that employs the electrode slurry can provide higher and more stable power output under the same current condition and is lower in cost.
    Type: Application
    Filed: November 20, 2018
    Publication date: August 15, 2019
    Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
    Inventors: Qinghua Liu, John P. Lemmon, Chang Wei, Wenqiang Xu, Yonglong Li, Wenbin Liang
  • Patent number: 9951219
    Abstract: The present disclosure provides an oil-extended olefin block copolymer composition. The oil-extended olefin block copolymer composition includes an olefin block copolymer, an oil, and a surface-active agent and may optionally include an olefin-based polymer. The oil-extended olefin block copolymer composition advantageously exhibits reduced, or no, oil-bleed.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: April 24, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Robert T. Johnston, Wenbin Liang, Ashish Batra
  • Publication number: 20170321053
    Abstract: The present disclosure provides an oil-extended olefin block copolymer composition. The oil-extended olefin block copolymer composition includes an olefin block copolymer, an oil, and a surface-active agent and may optionally include an olefin-based polymer. The oil- extended olefin block copolymer composition advantageously exhibits reduced, or no, oil-bleed.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 9, 2017
    Inventors: Robert T. Johnston, Wenbin Liang, Ashish Batra
  • Patent number: 9803295
    Abstract: The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise monocomponent fibers having a surface comprising a polyethylene, said nonwoven material having a fuzz/abrasion of less than 0.7 mg/cm3. The present invention is also related to fibers having a diameter in a range of from 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: from 40 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/?-olefin interpolymer having: a melt index of from about 1 to about 1000 grams/10 minutes, and a density of from 0.870 to 0.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: October 31, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Rajen M. Patel, Gert Claasen, Wenbin Liang, Karin Katzer, Kenneth B. Stewart, Thomas Allgeuer, Jesus Nieto