Sensors in New Energy Vehicle Batteries
With the global focus on environmental protection and sustainable development, the new energy vehicle industry is experiencing unprecedented growth. As a core component, the battery system’s performance and safety are crucial for the vehicle’s overall performance, range, and user experience. Sensors play a vital role in sensing and monitoring the battery status within these systems.
Types and Functions of Sensors
Temperature Sensor
Purpose: Monitors the temperature of the battery pack, motor, and vehicle interior.
Benefit: Ensures normal operation and effective temperature management, preventing overheating, thermal runaway, and fires.
Pressure Sensor
Purpose: Monitors gas or liquid pressure, such as hydrogen or air pressure in battery systems.
Benefit: Detects battery pack pressure for thermal runaway alerts and aids in brake assist systems.
Current Sensor
Purpose: Used in battery system management, motor drive control, and power modules.
Benefit: Monitors battery pack current status, prevents overcharging/overdischarging, improves efficiency, and extends battery life.
Oxygen Sensor
Purpose: Detects oxygen content in the exhaust system.
Benefit: Helps control combustion, reduce emissions, and improve energy efficiency.
Other Sensors
Types: Light, acceleration, angle, distance, and tilt sensors.
Purpose: Sense light intensity, detect vehicle acceleration and posture, measure steering angle and vehicle posture, measure distance to obstacles, and detect vehicle tilt angle and horizontal state.
Benefit: Provides data for system control, performance optimization, and safety assurance.
Characteristics of Battery Sensor Technology
High Precision and Reliability
Ensures accurate monitoring and timely warnings of battery status, optimizing battery management systems and improving efficiency.
Intelligence and Networking
With IoT development, sensors communicate in real-time with battery management systems, enabling remote monitoring, data analysis, and improved system intelligence.
Low Power Consumption and Long Lifespan
Reduces energy consumption, improves vehicle energy efficiency, and extends sensor lifespan.
Future Trends
Integration and Multifunctionality
Sensors will integrate multiple sensitive components on the same substrate, improving integration, reliability, and enabling simultaneous multi-physical quantity monitoring.
Intelligent Algorithms and Data Analysis
Combining AI with data analysis will enhance battery status monitoring and prediction accuracy, optimizing algorithms to improve battery management system intelligence and lifespan.
New Materials and Processes
Adopting nanomaterials, graphene, and advanced manufacturing processes will improve sensor performance, sensitivity, stability, accuracy, and consistency.
Sensors are crucial for sensing and monitoring battery status in new energy vehicles. With technological advancements, sensors will become more integrated, multifunctional, intelligent, and utilize new materials and processes. They will support efficient, safe, and environmentally friendly energy utilization, promoting sustainable and healthy development in the new energy vehicle industry.
For our complete selection of sensor solutions, visit aoisensors.com