Open Access

Research on real-time monitoring technology of battery health state during electric vehicle switching process

  
Feb 05, 2025

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Figure 1.

The development trend of new energy electric cars
The development trend of new energy electric cars

Figure 2.

Power supply model diagram
Power supply model diagram

Figure 3.

Battery status transfer relationship
Battery status transfer relationship

Figure 4.

Random fragment data selection
Random fragment data selection

Figure 5.

Battery status database
Battery status database

Figure 6.

Constant current condition and pulse condition voltage contrast and error
Constant current condition and pulse condition voltage contrast and error

Figure 7.

Aging database matching results
Aging database matching results

Figure 8.

Curve matching
Curve matching

Figure 9.

Random fragment data soc estimates
Random fragment data soc estimates

Figure 10.

System block diagram
System block diagram

Battery status data

Serial number λn/nm Ky(pm/℃) R2
1 1631 10.15 0.9976
2 1636 10.40 0.9931
3 1641 10.29 0.9933
4 1646 10.31 0.9981
5 1651 10.22 0.9970
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