Fast charging and power boosting lithium-ion batteries
Charging systems and methods are provided, which increase charging currents and reduce charging durations for battery cells with metalloid-based anodes that enable high C-rate (charging rate) charging. Specifically, methods comprise charging battery cells having metalloid-based anodes having Si, Ge...
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| creator | Edelshtein, Avraham Myersdorf, Doron Aronov, Daniel Tirosh, Amir |
| description | Charging systems and methods are provided, which increase charging currents and reduce charging durations for battery cells with metalloid-based anodes that enable high C-rate (charging rate) charging. Specifically, methods comprise charging battery cells having metalloid-based anodes having Si, Ge and/or Sn-based anode active material, by providing a high-C charging current of at least 4 C (or 5 C, or 10 C or more) over a range of at least 10-70% SoC (state of charge) of the battery cells. Charging systems comprise a booster unit configured to provide a high-C charging current over at least most of the SoC range of battery cells having metalloid-based anodes in the at least one battery unit. Charging systems further comprise a user interface configured to receive user preferences concerning a specified charging duration and/or a specified target SoC-for implementation by the charging system. |
| format | Patent |
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Specifically, methods comprise charging battery cells having metalloid-based anodes having Si, Ge and/or Sn-based anode active material, by providing a high-C charging current of at least 4 C (or 5 C, or 10 C or more) over a range of at least 10-70% SoC (state of charge) of the battery cells. Charging systems comprise a booster unit configured to provide a high-C charging current over at least most of the SoC range of battery cells having metalloid-based anodes in the at least one battery unit. 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| subjects | BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Fast charging and power boosting lithium-ion batteries |
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