METHOD FOR ELECTROCHEMICAL CHARGING/DISCHARGING OF LITHIUM-SULFUR (Li-S) BATTERY AND DEVICE USING THE METHOD

• Main Authors: CHO MYUNGHUN, KARIM ZAGHIB, ABDELBAST GUERFI, KIM CHISU
• Format: Patent
• Language: English; Japanese
• Published: 26.07.2021
• 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

To provide a method for the electrochemical charging/discharging of an Li-S battery or cell.SOLUTION: The present invention relates to a method for the electrochemical charging/discharging of an Li-S battery or cell, the method allowing the morphology of the active material in the battery to be controlled and thereby improving the capacity and life of the battery, by varying the profile of the current used. The present invention also relates to a method for the production of an Li-S battery, including a charging/discharging process of the present invention. A process according to the present invention can be executed by using an Li-S battery charge/discharge device. The present invention relates to such a device.SELECTED DRAWING: Figure 2 【課題】Ｌｉ−Ｓ電池またはセルの電気化学的充放電のための方法を提供すること【解決手段】本発明は、Ｌｉ−Ｓ電池またはセルの電気化学的充放電のための方法であって、使用される電流のプロファイルを変動することによって、電池における活性物質の形態の制御を可能にし、それ故に、電池の容量及び寿命を改善する方法に関する。本発明は、本発明の充放電プロセスを含む、Ｌｉ−Ｓ電池の生成方法にも関する。本発明に従うプロセスは、Ｌｉ−Ｓ電池充放電デバイスを使用して実行することができる。本発明は、そのようなデバイスに関する。【選択図】図２