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    Nitrogen-Doping Porous Graphene Material in Supercapacitor and Production Method Thereof
    1.
    发明申请
    Nitrogen-Doping Porous Graphene Material in Supercapacitor and Production Method Thereof 审中-公开

    公开(公告)号：US20200273626A1

    公开(公告)日：2020-08-27

    申请号：US16283833

    申请日：2019-02-25

    申请人： National Chung-Shan Institute of Science and Technology

    发明人： Chien-Liang Chang ,  Wu-Ching Hung ,  Jeng-Kuei Chang ,  Bo-Rui Pan

    IPC分类号： H01G9/042 ,  H01G9/035 ,  C01B32/194

    摘要： In this patent, a high energy and power density supercapacitor was invented. A coin cell with supercapacitor includes a spring lamination, a working electrode, a counter electrode, a separator, and an Organic electrolyte. The working and counter electrodes were Activated carbon/N-doping porous graphene/binder coated on Aluminum substrate. The separator was from Nippon Kodoshi Corporation. The Organic electrolyte was 1M TEABF4/PC. The method of producing N-doping porous graphene included the following steps: Step 1: Graphite oxide (GO) was transferred into the furnace. Step 2: Inject 50 c.c./min gas flow of Nitrous oxides for one hour. Step 3: Intensify 40 Celsius degrees/min to 900 Celsius degrees and after holding for one hour, lower the temperature naturally to the room temperature, it can be prepared into N-doping porous graphene. In this patent, the capacitance of the supercapacitor is 122 F/g and the power density is 31 kW/Kg.

    Silver particles manufacturing method
    3.
    发明授权
    Silver particles manufacturing method 有权

    公开(公告)号：US10478898B2

    公开(公告)日：2019-11-19

    申请号：US14961889

    申请日：2015-12-08

    申请人： National Chung-Shan Institute of Science and Technology

    发明人： Chien-Liang Chang ,  Wu-Ching Hung ,  Wei-Jen Liu ,  Kuei-Ting Hsu ,  Jhao-Yi Wu ,  Pin-Chun Lin

    IPC分类号： B22F9/24 ,  B03D3/00 ,  B22F1/00 ,  B22F9/06

    摘要： A silver particles manufacturing method comprises following steps: providing a silver containing compound; providing an organic solution; adding the silver containing compound into the organic solution, to perform ultrasonic vibrations or a heating process until the silver containing compound is dissolved completely into the organic solution, to form a silver ion solution; performing the ultrasonic vibrations or the heating process, and then let the solution settle down for a period, to form a silver particles synthesized solution; and placing the silver particles synthesized solution into a centrifuge to perform centrifugation and separation, to obtain μm-scale silver particles and nm-scale silver particles. The silver particles manufacturing method has the advantages of low pollution, low cost, high yield, and mass production.

    Nitrogen-doping porous graphene material in supercapacitor and production method thereof
    5.
    发明授权
    Nitrogen-doping porous graphene material in supercapacitor and production method thereof 有权

    公开(公告)号：US10930441B2

    公开(公告)日：2021-02-23

    申请号：US16283833

    申请日：2019-02-25

    申请人： National Chung-Shan Institute of Science and Technology

    发明人： Chien-Liang Chang ,  Wu-Ching Hung ,  Jeng-Kuei Chang ,  Bo-Rui Pan

    IPC分类号： H01G9/035 ,  H01G9/042 ,  C01B32/194

    摘要： In this patent, a high energy and power density supercapacitor was invented. A coin cell with supercapacitor includes a spring lamination, a working electrode, a counter electrode, a separator, and an Organic electrolyte. The working and counter electrodes were Activated carbon/N-doping porous graphene/binder coated on Aluminum substrate. The separator was from Nippon Kodoshi Corporation. The Organic electrolyte was 1M TEABF4/PC. The method of producing N-doping porous graphene included the following steps: Step 1: Graphite oxide (GO) was transferred into the furnace. Step 2: Inject 50 c.c./min gas flow of Nitrous oxides for one hour. Step 3: Intensify 40 Celsius degrees/min to 900 Celsius degrees and after holding for one hour, lower the temperature naturally to the room temperature, it can be prepared into N-doping porous graphene. In this patent, the capacitance of the supercapacitor is 122 F/g and the power density is 31 kW/Kg.

    SUPERCAPACITOR OF N-P DOPING POROUS GRAPHENE MATERIAL IN IONIC LIQUID ELECTROLYTE AND METHOD FOR PREPARING THEREOF
    7.
    发明申请
    SUPERCAPACITOR OF N-P DOPING POROUS GRAPHENE MATERIAL IN IONIC LIQUID ELECTROLYTE AND METHOD FOR PREPARING THEREOF 审中-公开

    公开(公告)号：US20200043673A1

    公开(公告)日：2020-02-06

    申请号：US16203560

    申请日：2018-11-28

    申请人： National Chung-Shan Institute of Science and Technology

    发明人： Chien-Liang Chang ,  Wu-Ching Hung ,  Jeng-Kuei Chang ,  Bo-Rui Pan

    IPC分类号： H01G11/32 ,  H01G11/58 ,  H01G11/86 ,  H01G11/24

    摘要： A high volumetric energy and power density supercapacitor is provided. This supercapacitor includes a coin cell, a spring lamination, a working electrode, a counter electrode, a separator, and an ionic liquid electrolyte. The working and counter electrodes are N-P doping porous graphene coated on Al substrate. The ionic liquid electrolyte is EMI-FSI. The method of producing N-P doping porous graphene includes following steps: S1: Graphite oxide is quickly transferred into the furnace, which had been held at 300° C. and the porous graphene can be produced. S2: The porous graphene and red phosphorus are put together in the evacuated tube furnace and heated to 700° C. for 1 hr. S3: Heated to 800° C. for 30 min in a mixed argon and ammoniac atmosphere and then the N-P doping porous graphene can be made. The capacitance of the supercapacitor is 105 F/g and the volumetric power density is 1.19 kW/L.