Summary
- Honeywell released new Battery Safety Electrolyte Sensor (BES) series for lithium-ion batteries
- Uses Li-ion Tamer electrolyte gas detection technology for early warning signs
- Can detect multiple gases to minimize false negatives
- Incorporates CAN communication protocol and has two operating modes
- Features rate of change algorithm to reduce integration costs and shorten project timelines
Article
Honeywell has developed a new generation of battery safety sensors called the Battery Safety Electrolyte Sensor (BES) series, designed specifically for improved safety in lithium-ion battery on-road applications. The sensors exceed industry standards for performance and reliability, utilizing Honeywell’s proprietary Li-ion Tamer technology to detect “first vent” events as early warning signs of potential battery malfunctions. This allows the system to issue alerts 5 to 20 minutes before a risk of fire.
The BES sensors are capable of detecting multiple gases released during thermal runaway, reducing the risk of false negatives. The integration process is made easier by a rate of change algorithm that eliminates the need for target gas threshold testing, ultimately reducing integration costs and project timelines. The sensors incorporate the CAN communication protocol and offer two operating modes that can be selected via CAN commands. In Normal mode, the sensor functions with active CAN communication, while in Eco mode, CAN communication is disabled to reduce power consumption by 60%. The sensor will automatically switch to Normal mode to send alarm signals to the Battery Management System (BMS) in case of an alarm condition.
The BES sensors are equipped with advanced features to enhance safety and reliability in lithium-ion battery applications. By utilizing innovative technology to identify early warning signs of potential battery malfunctions, the sensors can significantly reduce the risk of fire incidents. The integration process is streamlined with the use of a rate of change algorithm, eliminating the need for target gas threshold testing and ultimately lowering integration costs and project timelines.
The sensors come with CAN communication protocol and offer two operating modes that can be selected via CAN commands. The Normal mode allows for full functionality with active CAN communication, while the Eco mode disables CAN communication to reduce power consumption by 60%. In case of an alarm condition, the sensor will automatically switch to Normal mode to send alarm signals to the Battery Management System (BMS). This ensures that timely alerts are issued in the event of any potential battery malfunctions, enhancing overall safety and reliability in lithium-ion battery applications.
Overall, Honeywell’s BES sensors are a significant advancement in battery safety technology, offering enhanced performance and reliability for lithium-ion battery on-road applications. By utilizing innovative gas detection technology and advanced features, these sensors can detect early warning signs of potential battery malfunctions, significantly reducing the risk of fire incidents. The integration process is made easier with the use of a rate of change algorithm, ultimately lowering integration costs and project timelines. With the addition of CAN communication protocol and two operating modes, the sensors provide flexibility and efficiency in monitoring and ensuring safety in lithium-ion battery applications.
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