The life of battery pack is base on 4 protocols:
- Maintain low temperature
- Charge up to 90%
- Discharge no less then 20%
- Use high frequency pulse for quick charge
Exchange the heat
The heat need to be exchanged to each cell and at the most hot area. Uniform and homogeneous cooling is the key of lithium battery pack.
All Cells at constant Temp.
Proper cooling method for a lithium-ion (Li-ion) battery pack for electric vehicles (EVs) and making an optimal cooling control strategy to keep the temperature at a optimal range of 15 °C to 35 °C is essential to increasing safety, extending the pack service life, and reducing costs.
We use a state-of-the-art Li-ion battery micro material envelope as thermal heat exchanger, for each cell independently.
Physics and materials
Hybrid-M control each cell, 360° of area and surfaces, charging, discharging, and independent isolated current management.
A battery generates heat when it is discharged and can only maintain optimum performance within a certain temperature range. Therefore, thermal management is essential to consider before advances can be made in power output.
Solutions For All Cells
Packing is essential
Batteries are made of stacks of different layers—these layers can be rolled into a cylinder, folded into a rectangle, or kept flat as a pack.
The shape that the battery comes in determines how the battery needs to be packaged in and whether the battery will expand when it heats up. The more batteries you can pack, the higher the power output and the more heat will be generated.
In order to balance power output and temperature, battery thermal management systems (BTMS) are an essential part to an electric car. BTMS is a highly researched topic, and there is Hybrid-M solution that can maintain the safety duty temperature to each cell.