The battery for the fuel cell

The battery for the fuel cell

In this new TechLetter, we will focus on the case study of a battery in a fuel cell system. In an hydrogen vehicle, the fuel cell produces electricity to power the electric motor by consuming hydrogen as a fuel. There are numerous fuel cell technologies but we will...
The Full-BMS and WATTALPS’ products

The Full-BMS and WATTALPS’ products

This TechLetter will focus on the Battery Management System (BMS) and all associated functions. WATTALPS has developed internally its Full BMS solution adapted for demanding mobile applications, mastering the specification, the hardware design, the software...
Thermal runaway propagation and mitigation

Thermal runaway propagation and mitigation

Source : “Thermal Runaway Mechanism of Lithium Ion Battery for Electric Vehicles: A Review” X. Feng, et al Tsinghua University – Beijing Internal short circuit and thermal runaway As explained in the WATTALPS TechLetter on lithium-ion battery safety, the thermal...
Lithium-ion battery aging

Lithium-ion battery aging

Factors influencing the aging of lithium-ion batteries The main factors influencing the aging of lithium-ion batteries are : The number of cycles (charge/discharge) This is the most commonly used factor to chose a battery since it permits to estimate the return on...
Lithium-ion battery safety

Lithium-ion battery safety

Lithium-ion battery safety is not a simple topic. What are the risks when using lithium-ion batteries? How to prevent any safety issue? Risk linked to the use of a lithium-ion battery When submitted to increasing temperatures, whatever the chemistry, there is a...