리튬 이온 이차전지(101)로의 충전 전류를 제어하는 제어 장치(300)에 있어서, 충전 전류가, 충전 정지 후에 용해가 예상되는 리튬이 리튬 이온 이차전지(101)의 부극(200)에 석출되는 것을 허용하도록 제어된다. 예를 들면, 제어 장치(300)는, 충전 전류가 소정의 상한값을 초과하지 않도록 충전 전류를 제어하고, 소정의 허용 조건이 성립하는 경우에는, 소정의 허용 기간에 있어서 상한값이 Li 석출 한계값보다 커지는 것을 허용함으로써, 충전 정지 후에 용해가 예상되는 리튬이 리튬 이온 이차전지(101)의 부극(200)에 석출되는 것을 허용한다.

    A controller for controlling a charging current to a lithium-ion secondary battery controls the charging current so that lithium expected to dissolve after a stop of charging is permitted to deposit on an anode of the lithium-ion secondary battery. For example, the controller controls the charging current so that the charging current does not exceed a predetermined upper limit value. If a predetermined permission condition is satisfied, the controller permits the lithium expected to dissolve after the stop of charging to deposit on the anode of the lithium-ion secondary battery by permitting the upper limit value to become larger than a Li deposition limit value in a predetermined permission period.


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    Title :

    CONTROLLER FOR LITHIUM-ION SECONDARY BATTERY AND VEHICLE


    Additional title:

    리튬 이온 이차전지의 제어 장치, 및 차량


    Publication date :

    2021-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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