To provide an all-solid-state lithium-ion battery control system capable of improving safety.SOLUTION: An all-solid-state lithium-ion battery control system to be installed in a vehicle includes: an all-solid-state lithium-ion battery connected to a drive motor of the vehicle; and a control unit for controlling the input and output of current to the all-solid-state lithium-ion battery so as not to exceed a first prescribed SOC of the all-solid-state lithium-ion battery in normal operation. The all-solid-state lithium ion battery contains lithium titanate in a negative electrode. The control unit integrates seconds for which or a current value at which the charge amount of the all-solid-state lithium-ion battery exceeds SOC 100% due to overcurrent, calculates a limit SOC reduction amount based on the integrated value, calculates a second prescribed SOC based on the limit SOC reduction amount, and controls the all-solid-state lithium-ion battery based on the second prescribed SOC.SELECTED DRAWING: Figure 1
【課題】安全性を向上することができる全固体リチウムイオン電池制御システムを提供する。【解決手段】車両に備えられる全固体リチウムイオン電池制御システムであって、車両の駆動用モータに接続された全固体リチウムイオン電池と、通常の運転において、全固体リチウムイオン電池の第1規定SOCを超えないように全固体リチウムイオン電池への電流の入出力を制御する制御部と、を備え、全固体リチウムイオン電池は負極にチタン酸リチウムを含むものであり、制御部は、過電流によって全固体リチウムイオン電池の充電量がSOC100%を超えた秒数又は電流値を積算し、積算された値に基づいて限界SOC低下量を算出し、限界SOC低下量に基づいて第2規定SOCを算出し、第2規定SOCに基づいて全固体リチウムイオン電池の制御を行う。【選択図】図1
ALL-SOLID-STATE LITHIUM-ION BATTERY CONTROL SYSTEM
全固体リチウムイオン電池制御システム
2022-10-07
Patent
Elektronische Ressource
Japanisch
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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