Fig 1.
Measured charging capacity of lithium-ion batteries.
Fig 2.
A typical CC-CV charging curve of the lithium-ion battery.
Fig 3.
Aging phenomena during the CV profile at several cycles.
Fig 4.
Schematic diagram of the proposed fusion framework for the lithium-ion battery capacity estimation.
Fig 5.
Flowchart of the presented QPSO-SVR method.
Fig 6.
CV charging capacity of lithium-ion batteries.
Table 1.
Correlation analysis of the extracted aging feature and battery capacity.
Fig 7.
Capacity and RUL estimation for battery No.5 at different starting points: (a) at the 80th point; (b) at the 90th point; (c) at the 100th point.
Table 2.
Comparison of capacity and RUL estimation results among different methods (battery No.5).
Fig 8.
Capacity estimation for battery No.7 at different starting points: (a) at the 80th point; (b) at the 90th point; (c) at the 100th point.
Table 3.
Comparison of capacity estimation results among different methods (battery No.7).