公开(公告)号：US11515518B2

公开(公告)日：2022-11-29

申请号：US16898900

申请日：2020-06-11

申请人： II-VI Delaware, Inc. ,  Institute of Chemistry, Chinese Academy of Sciences

发明人： Elgin E. Eissler ,  Wen-Qing Xu ,  Yancheng Zhang ,  Xiaoming Li ,  Shailesh Patkar ,  Giovanni Barbarossa ,  Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/1393 ,  H01M4/133 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/58 ,  H01M4/136 ,  H01M4/38 ,  H01M4/583 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/1397 ,  H01M50/446 ,  H01M4/02 ,  H01M10/052 ,  H01M50/411

摘要： An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.

公开(公告)号：US20200303725A1

公开(公告)日：2020-09-24

申请号：US16898900

申请日：2020-06-11

申请人： II-VI Delaware, Inc. ,  Institute of Chemistry, Chinese Academy of Sciences

发明人： Elgin E. Eissler ,  Wen-Qing Xu ,  Yancheng Zhang ,  Xiaoming Li ,  Shailesh Patkar ,  Giovanni Barbarossa ,  Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/1393 ,  H01M2/16 ,  H01M4/133 ,  H01M4/136 ,  H01M4/36 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/1397 ,  H01M4/58

摘要： An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.

公开(公告)号：US10734638B2

公开(公告)日：2020-08-04

申请号：US15434655

申请日：2017-02-16

申请人： II-VI Incorporated ,  Institute of Chemistry, Chinese Academy of Sciences

发明人： Elgin E. Eissler ,  Wen-Qing Xu ,  Xiaoming Li ,  Yancheng Zhang ,  Shailesh Patkar ,  Giovanni Barbarossa ,  Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/1393 ,  H01M4/36 ,  H01M4/58 ,  H01M2/16 ,  H01M4/133 ,  H01M4/136 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/1397 ,  H01M4/02 ,  H01M10/052

摘要： An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.

公开(公告)号：US10340507B2

公开(公告)日：2019-07-02

申请号：US15262407

申请日：2016-09-12

申请人： Institute of Chemistry, Chinese Academy of Sciences ,  II-VI Incorporated

发明人： Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/1395 ,  H01M4/62 ,  H01M2/16 ,  H01M10/052

摘要： Disclosed is method of preparing a selenium carbon composite material and a use of the selenium carbon composite material in a cathode of a lithium selenium secondary battery. A battery formed with a cathode of the disclosed selenium carbon composite material has high energy density and stable electrochemical performance. The disclosed selenium carbon composite material can effectively shorten the migration distance of lithium ions during charging and discharging of the battery and improve conductivity and utilization of selenium after compounding carbon and selenium. Multiple batteries formed with cathodes of the disclosed selenium carbon composite material can be assembled into a lithium selenium pouch-cell battery having stable electrochemical performance and high energy density.

公开(公告)号：US20170301914A1

公开(公告)日：2017-10-19

申请号：US15434655

申请日：2017-02-16

申请人： II-VI Incorporated ,  Institute of Chemistry, Chinese Academy of Sciences

发明人： Elgin E. Eissler ,  Wen-Qing Xu ,  Xiaoming Li ,  Yancheng Zhang ,  Shailesh Patkar ,  Giovanni Barbarossa ,  Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/1393 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/36 ,  H01M4/136 ,  H01M4/133 ,  H01M4/38 ,  H01M2/16 ,  H01M4/02

摘要： An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.

公开(公告)号：US20190280285A1

公开(公告)日：2019-09-12

申请号：US16426228

申请日：2019-05-30

申请人： Institute of Chemistry, Chinese Academy of Sciences ,  II-VI Incorporated

发明人： Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/134 ,  H01M4/36 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/62

摘要： The present invention discloses a preparation method to make lithium selenium secondary battery cathode materials with a high energy density and stable electrochemical performances. Two dimensional carbon materials prepared from the presently-disclosed method is not only made from readily-available low-cost raw materials, but is also of simple preparation method. It can effectively shorten the migration distance of lithium ions in the charging and discharging process and improve conductivity and utilization of selenium after compounded with carbon and selenium; the selenium carbon cathode material can be assembled into lithium selenium secondary batteries with high energy density and stable electrochemical performances. By further scaling up, the assembled lithium selenium pouch-cell batteries still hold excellent electrochemical performances and high energy density, showing broad application prospects.

公开(公告)号：US20190058187A1

公开(公告)日：2019-02-21

申请号：US16170747

申请日：2018-10-25

申请人： II-VI Incorporated ,  Institute of Chemistry, Chinese Academy of Sciences

发明人： Elgin E. Eissler ,  Wen-Qing Xu ,  Xiaoming Li ,  Yancheng Zhang ,  Shailesh Patkar ,  Giovanni Barbarossa ,  Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/1393 ,  H01M4/38 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/136

摘要： An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.

公开(公告)号：US11482698B2

公开(公告)日：2022-10-25

申请号：US16170747

申请日：2018-10-25

申请人： II-VI Delaware, Inc

发明人： Elgin E. Eissler ,  Wen-Qing Xu ,  Xiaoming Li ,  Yancheng Zhang ,  Shailesh Patkar ,  Giovanni Barbarossa ,  Yu-Guo Guo ,  Shuaifeng Zhang ,  Yaxia Yin

IPC分类号： H01M4/136 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/1393 ,  H01M4/133 ,  H01M4/38 ,  H01M4/583 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/1397 ,  H01M4/58 ,  H01M50/446 ,  H01M4/02 ,  H01M10/052 ,  H01M50/411

摘要： An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.