Battery Diagnosis by Square-Current Electrochemical Impedance Spectroscopy
2020-0131-09
- researcher's name
- affiliation
-
- keyword
-
background
● Ordinary impedance method which consists of Frequency Response Analyzer(FRA) and a tentiostat system is difficult to control potential for low internal resistance of a battery
● FRA and large potentiostat system: very expensive
● FRA and large potentiostat system: very expensive
summary
● Power controller in Battery Management System (BMS) can be formed only simple current veform, such as a square waveform. Applying square current input generated by power controller can measure impedance.
predominance
● Simple and cost-effective approach to measure impedance.
● Impedance measurement with high accuracy.
● Impedance measurement with high accuracy.
application/development
● Smart Grid
● EVs
● EVs
collaborative researchers
OSAKA, Tetsuya Senior Research Professor (retired)
posted:
2020/02/06
