company blog about Recycle Infineon Gas Sensors:H2 Sensors,CO2 Sensors

Recycle Infineon Gas Sensors:H2 Sensors,CO2 Sensors

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XENSIV™ gas sensor solutions
Infineon’s XENSIV™ sensor portfolio offers high-precision sensors designed to meet the demands of modern applications. These sensors provide accurate and reliable measurements, making them ideal for various industries including automotive, industrial, and consumer. XENSIV™ gas sensors are built on cutting-edge technologies that ensure optimal performance in detecting and measuring gases like CO2 and H2.
With XENSIV™, Infineon combines expertise in sensor technology with a deep understanding of application needs, delivering sensors that are energy-efficient, compact, and highly sensitive—perfect for integration into smart systems.

CO2 sensors
One technology for measuring CO2 is the Photoacoustic Spectroscopy (PAS) principle, a method that allows for precise and reliable carbon dioxide detection. PAS works by absorbing specific wavelengths of light that cause the CO2 molecules to vibrate and produce sound waves. These sound waves are then detected by a sensitive microphone within the sensor. This technique is highly accurate because it directly measures the gas concentration, making it less susceptible to environmental factors such as humidity and temperature. Measuring CO2 is important because high levels of carbon dioxide can indicate poor ventilation, which can lead to fatigue, headaches, and reduced cognitive function. Accurate CO2 monitoring is essential for maintaining indoor air quality in spaces such as offices, schools, and residential buildings. Additionally, CO2 sensors are commonly used in HVAC systems for Demand Controlled Ventilation (DCV) to enhance energy efficiency by regulating ventilation based on occupancy levels and CO2 concentration.

H2 sensors
Infineon's H2 sensors employ the Thermal Conductivity (TC) principle to detect hydrogen gas. Thermal Conductivity sensors operate by measuring the rate at which heat is conducted through the gas. Hydrogen, having a high thermal conductivity, changes the temperature profile of a sensor element when present. The sensor then detects these changes, allowing for the precise measurement of hydrogen concentration in the environment.

Monitoring hydrogen levels is crucial due to the gas's highly flammable nature. Infineon's H2 sensors detect hydrogen leaks and concentrations in real-time, ensuring safe and efficient generation, production, storage, transportation, and utilization. It prevents accidents and minimize hydrogen losses making these sensors ideal for automotive applications such as fuel-cell electric vehicles (FCEVs) and hydrogen-based internal combustion engine (ICE) vehicles. It is also useful in battery electric vehicles (BEVs) for water intrusion sensing and early detection of non-reversible thermal runaway of damaged and deteriorating batteries as mandated by UNECE GTR 20 regulations. Infineon's H2 sensor is suitable also for industrial applications to ensure safety of plants, systems and people. Applications can be hydrogen electrolyzers, hydrogen storage and dispensers, hydrogen fuel station and energy storage systems (ESS).