Figure 1.
Schematic of the experimental setup.
Figure 1.
Schematic of the experimental setup.
Figure 2.
Schematic of battery modules and thermocouple arrangements from the top view.
Figure 2.
Schematic of battery modules and thermocouple arrangements from the top view.
Figure 3.
The temperature curve of the heater after powered on.
Figure 3.
The temperature curve of the heater after powered on.
Figure 4.
The typical surface temperature curves of batteries in triangular modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 4.
The typical surface temperature curves of batteries in triangular modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 5.
The domino effect of thermal failure propagation in triangular module.
Figure 5.
The domino effect of thermal failure propagation in triangular module.
Figure 6.
The typical curves of mass loss for triangular modules.
Figure 6.
The typical curves of mass loss for triangular modules.
Figure 7.
The typical surface temperature curves of batteries in rectangular modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 7.
The typical surface temperature curves of batteries in rectangular modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 8.
The domino effect of thermal failure propagation in rectangular module.
Figure 8.
The domino effect of thermal failure propagation in rectangular module.
Figure 9.
The typical curves of mass loss for rectangular modules in tests.
Figure 9.
The typical curves of mass loss for rectangular modules in tests.
Figure 10.
The typical surface temperature curves of batteries in parallelogram modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 10.
The typical surface temperature curves of batteries in parallelogram modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 11.
The domino effect of thermal failure propagation in parallelogram module.
Figure 11.
The domino effect of thermal failure propagation in parallelogram module.
Figure 12.
The typical curves of mass loss for parallelogram modules.
Figure 12.
The typical curves of mass loss for parallelogram modules.
Figure 13.
The typical surface temperature curves of batteries in linear modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 13.
The typical surface temperature curves of batteries in linear modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 14.
The photograph of linear module after test.
Figure 14.
The photograph of linear module after test.
Figure 15.
The domino effect of thermal failure propagation in linear module.
Figure 15.
The domino effect of thermal failure propagation in linear module.
Figure 16.
The typical curves of mass loss for linear modules in tests.
Figure 16.
The typical curves of mass loss for linear modules in tests.
Figure 17.
The typical surface temperature curves of batteries in hexagon modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 17.
The typical surface temperature curves of batteries in hexagon modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 18.
The domino effect of thermal failure propagation in hexagon module.
Figure 18.
The domino effect of thermal failure propagation in hexagon module.
Figure 19.
The typical curves of mass loss for hexagon modules.
Figure 19.
The typical curves of mass loss for hexagon modules.
Figure 20.
The typical surface temperature curves of batteries in square modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 20.
The typical surface temperature curves of batteries in square modules: (a) with discharging treatment; (b) without discharging treatment.
Figure 21.
The domino effect of thermal failure propagation in square module.
Figure 21.
The domino effect of thermal failure propagation in square module.
Figure 22.
The typical curves of mass loss for square modules in tests.
Figure 22.
The typical curves of mass loss for square modules in tests.
Figure 23.
Time to each phase of failure for modules with various shapes.
Figure 23.
Time to each phase of failure for modules with various shapes.
Figure 24.
The propagation speeds of modules with various shapes.
Figure 24.
The propagation speeds of modules with various shapes.
Figure 25.
The space occupancy of triangular module and linear module.
Figure 25.
The space occupancy of triangular module and linear module.
Table 1.
The experimental configurations.
Table 1.
The experimental configurations.
Group No. | Test No. | Module Shape | SOC | With Discharging Treatment |
---|
1 | 1 | triangle | 75% | Yes |
2 | rectangle |
3 | parallelogram |
4 | line |
5 | hexagon |
6 | square |
2 | 1 | triangle | No |
2 | rectangle |
3 | parallelogram |
4 | line |
5 | hexagon |
6 | square |
Table 2.
The detailed information of triangular modules.
Table 2.
The detailed information of triangular modules.
No. | With Discharging Treatment | Time to the First Phase (s) | Time to the Second Phase (s) | Propagation Speed (mm/s) | Mass Loss (g) |
---|
1 | Yes | 344 | 555 | 0.056 | 51.0 |
2 | No | 387 | 575 | 0.054 | 50.1 |
Table 3.
The detailed information of rectangular modules in tests.
Table 3.
The detailed information of rectangular modules in tests.
No. | With Discharging Treatment | Time to the First Phase (s) | Time to the Second Phase (s) | Time to the Third Phase (s) | Propagation Speed (mm/s) | Mass Loss (g) |
---|
1 | Yes | 368 | 440 | 568 | 0.063 | 51.6 |
2 | No | 389 | 480 | 583 | 0.062 | 50.2 |
Table 4.
The detailed information of parallelogram modules.
Table 4.
The detailed information of parallelogram modules.
No. | With Discharging Treatment | Time to the First Phase (s) | Time to the Second Phase (s) | Time to the Third Phase (s) | Propagation Speed (mm/s) | Mass Loss (g) |
---|
1 | Yes | 377 | 533 | 626 | 0.075 | 51.9 |
2 | No | 399 | 554 | 651 | 0.072 | 49.3 |
Table 5.
The detailed information of linear modules in tests.
Table 5.
The detailed information of linear modules in tests.
No. | With Discharging Treatment | Time to the First Phase (s) | Time to the Second Phase (s) | Propagation Speed (mm/s) | Mass Loss (g) |
---|
1 | Yes | 372 | 681 | 0.053 | 26.0 |
2 | No | 385 | 777 | 0.046 | 22.3 |
Table 6.
The detailed information of hexagon modules.
Table 6.
The detailed information of hexagon modules.
No. | With Discharging Treatment | Time to the First Phase (s) | Time to the Second Phase (s) | Propagation Speed (mm/s) | Mass Loss (g) |
---|
1 | Yes | 412 | 504 | 0.071 | 60.6 |
2 | No | 470 | 587 | 0.061 | 56.5 |
Table 7.
The detailed information of square modules in tests.
Table 7.
The detailed information of square modules in tests.
No. | With Discharging Treatment | Time to the First Phase (s) | Time to the Second Phase (s) | Time to the Third Phase (s) | Propagation Speed (mm/s) | Mass Loss (g) |
---|
1 | Yes | 391 | 612 | 735 | 0.069 | 84.0 |
2 | No | 412 | 636 | 863 | 0.059 | 83.0 |