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    Electrochemical conversion of halogenated compounds and associated systems
    1.
    发明授权
    Electrochemical conversion of halogenated compounds and associated systems 有权

    公开(公告)号：US11522241B2

    公开(公告)日：2022-12-06

    申请号：US16338947

    申请日：2017-10-03

    申请人： Massachusetts Institute of Technology

    发明人： Betar Gallant ,  Yuanda Li ,  Aliza Khurram ,  Mingfu He

    IPC分类号： H01M12/06 ,  H01M4/38 ,  H01M4/58 ,  H01M4/86 ,  H01M12/04 ,  H01M6/14 ,  H01M4/40 ,  H01M4/46

    摘要： Methods and systems for the electrochemical conversion of halogenated compounds are provided. In some embodiments, a method comprises converting a halogenated compound (e.g., fluorinated gas) to relatively non-hazardous products via one or more electrochemical reactions. The electrochemical reaction(s) may occur under relatively mild conditions (e.g., low temperature) and/or without the aid of a catalyst. In some embodiments, the electrochemical reaction may produce a relatively large amount of energy. In some such cases, systems, described herein, may be designed to facilitate the conversion of the halogenated compound (e.g., SF6, NF3) while harnessing (e.g., storing, converting) the energy associated with the electrochemical reaction. System and methods described herein may be used in a wide variety of applications, including waste management (e.g., environmental remediation, greenhouse gas mitigation), energy recovery (e.g., industrial energy recovery), and primary batteries (e.g., metal-gas batteries).

    Method of manufacturing a metal-air cell
    4.
    发明授权
    Method of manufacturing a metal-air cell 有权

    公开(公告)号：US11050063B2

    公开(公告)日：2021-06-29

    申请号：US16701500

    申请日：2019-12-03

    申请人： Energizer Brands, LLC

    发明人： Diana Dreher

    IPC分类号： H01M4/48 ,  H01M4/50 ,  H01M4/90 ,  H01M12/06 ,  H01M12/04 ,  H01M4/88 ,  H01M4/86 ,  H01M4/92 ,  H01M4/38 ,  H01M4/96

    摘要： The invention includes a method of making a catalytic electrode for a metal-air cell in which a carbon-catalyst composite is produced by heating a manganese compound in the presence of a particulate carbon material to form manganese oxide catalyst on the surfaces of the particulate carbon, and then adding virgin particulate carbon material to the carbon-catalyst composite to produce a catalytic mixture that is formed into a catalytic layer. A current collector and an air diffusion layer are added to the catalytic layer to produce the catalytic electrode. The catalytic electrode can be combined with a separator and a negative electrode in a cell housing including an air entry port through which air from outside the container can reach the catalytic electrode.

    REVERSIBLE ELECTROCHEMICAL SYSTEM COMPRISING TWO PEM DEVICES IN OXIDATION AND REDUCTION ELECTRODES CONFIGURATION
    8.
    发明申请
    REVERSIBLE ELECTROCHEMICAL SYSTEM COMPRISING TWO PEM DEVICES IN OXIDATION AND REDUCTION ELECTRODES CONFIGURATION 审中-公开

    公开(公告)号：US20190020082A1

    公开(公告)日：2019-01-17

    申请号：US16033682

    申请日：2018-07-12

    申请人： Commissariat a l'energie atomique et aux energies alternatives

    发明人： Baptiste VERDIN ,  Remi VINCENT

    IPC分类号： H01M12/04 ,  H01M8/0656 ,  H01M8/1004 ,  H01M8/18 ,  H01M4/86

    摘要： The invention relates to a reversible electrochemical system intended to operate alternately in electrolysis cell mode and in fuel cell mode, comprising: a primary device of which: the primary anode (13) is suitable for carrying out an oxidation of the water (OER) originating from a first anode port and an oxidation of the hydrogen (HOR) originating from a second anode port, and the primary cathode (15) is suitable for carrying out a reduction of protons (HER), and a reduction of oxygen (ORR) originating from a second cathode port; a secondary device of which: the secondary anode (23) is suitable for carrying out an oxidation of hydrogen (HOR) originating from the primary anode and an oxidation of hydrogen (HOR) originating from the second anode port; the secondary cathode (25) is suitable for carrying out a reduction of protons (HER) and a reduction of oxygen (ORR) originating from the second cathode port.