3.リチウムイオン電池のスパイスモデル

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011

3. Concept of the Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 + - Output Characteristics

4. Parameter Settings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 Model Parameters: (Default values)

5. Li-Ion Battery Specification (Example) ,[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 Battery capacity is input as a model parameter Nominal Voltage 3.7V Nominal Capacity Typical 1400mAh (0.2C discharge) Charging Voltage 4.20V ± 0.05V Charging Std. Current 700mA Max Current Charge 1400mA Discharge 2800mA Discharge cut-off voltage 2.75V

5.1 Charge Time Characteristic ,[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 Current=700mA Voltage=4.20V Capacity=100% (minute) Measurement Simulation SOC=0 means battery start from 0% of capacity (empty)

5.1 Charge Time Characteristic  Simulation Circuit and Setting ,[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 1 minute in seconds Over-Voltage Protector: (Charging Voltage*1) - V F of D1 Input Voltage

5.2 Discharge Time Characteristic ,[object Object],[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 0.2C 0.5C 1C (minute) TSCALE turns 1 minute in seconds, battery starts from 100% of capacity (fully charged) ,[object Object]

5.3 V bat vs. SOC Characteristic  Simulation Circuit and Setting ,[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 1 minute in seconds

6. Extend the number of Cell (Example) ,[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 The number of cells in series is input as a model parameter Basic Specification Li-ion needs 4 cells to reach this voltage level ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

6.1 Charge Time Characteristic, NS=4 ,[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 Current=880mA Voltage=16.8V Capacity=100% (hour) The battery needs 5 hours to be fully charged

6.1 Charge Time Characteristic, NS=4  Simulation Circuit and Setting ,[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 1 Hour in seconds Input Voltage Over-Voltage Protector: (Charging Voltage*4) - V F of D1

6.2 Discharge Time Characteristic, NS=4  Simulation Circuit and Setting ,[object Object],[object Object],[object Object],[object Object],All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 1 Hour in seconds Parametric sweep “rate”

Simulation Index All Rights Reserved Copyright (C) Bee Technologies Corporation 2011 Simulations Folder name ,[object Object],[object Object],[object Object],[object Object],[object Object],Charge_Time Discharge_Time Discharge_SOC Charge_Time(NS) Discharge_Time(NS)

3.リチウムイオン電池のスパイスモデル

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3.リチウムイオン電池のスパイスモデル