A Simple and Fast Electrochemical CO2 Sensor Based on Li7La3Zr2O12 for Environmental Monitoring,Advanced Materials

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A Simple and Fast Electrochemical CO2 Sensor Based on Li7La3Zr2O12 for Environmental Monitoring
Advanced Materials ( IF 27.4 ) Pub Date : 2018-09-20 , DOI: 10.1002/adma.201804098
Michal Struzik _{1,

2} , Inigo Garbayo ₂ , Reto Pfenninger _{1,

2} , Jennifer L. M. Rupp _{1,

2,

3}

Affiliation

In the goal of a sustainable energy future, either the energy efficiency of renewable energy sources is increased, day‐to‐day energy consumption by smart electronic feedback loops is managed in a more efficient way, or contribution to atmospheric CO₂ is reduced. By defining a next generation of fast‐response electrochemical CO₂ sensors and materials, one can contribute to local monitoring of CO₂ flows from industrial plants and processes, for energy management and building control or to track climate alterations. Electrochemical Li⁺‐garnet‐based sensors with Li₇La₃Zr₂O₁₂ solid electrolytes can reach notable 1 min response time at lowered operation temperatures to track 400–4000 ppm levels of CO₂ when compared with state‐of‐the‐art NASICON‐based sensors. By using principles of redefining the electrode electrochemistry, it is demonstrated that Li_6.75La₃Zr_1.75Ta_0.25O₁₂ can be used to alter its classic use as energy‐storage function to gain additional functions such as CO₂ tracking.

中文翻译：

基于Li7La3Zr2O12的简单快速电化学CO2传感器用于环境监测

为了实现可持续能源的未来，要么提高可再生能源的能源效率，要么以更有效的方式管理智能电子反馈回路的日常能源消耗，或者减少对大气CO _2的贡献。通过定义下一代快速响应电化学CO ₂传感器和材料，可以为本地监测来自工厂和过程的CO ₂流量，进行能源管理和建筑控制或跟踪气候变化做出贡献。具有Li ₇ La ₃ Zr ₂ O ₁₂的基于锂⁺石榴石的电化学传感器与最新的基于NASICON的传感器相比，在较低的工作温度下，固体电解质可以达到明显的1分钟响应时间，以跟踪400–4000 ppm的CO ₂水平。通过使用重新定义电极电化学的原理，证明了Li _6.75 La ₃ Zr _1.75 Ta _0.25 O ₁₂可用于改变其经典的储能功能，从而获得诸如CO ₂跟踪等附加功能。

更新日期：2018-09-20

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