What does this research mean for the field?

The lithium borate (Li3BO3) solid electrolyte enables subppm detection of sulfur dioxide (SO2) in an all-solid-state electrochemical sensor. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to develop a high-sensitivity electrochemical gas sensor for detecting sulfur dioxide at low concentration levels.

March 16, 2026ACS Applied Electronic Materials

Ionic-Based Electrochemical Gas Sensors for Low-Cost, High-Sensitivity SO 2 Detection

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Authors

FLFrancisco LagunasArgonne National Laboratory HKHacksung KimNorthwestern University EMElla MysloArgonne National Laboratory

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Implication

Electrochemical sensors detect low SO2 levels in air, indicating new methods for monitoring air quality.

Key Points

The aim is to develop a high-sensitivity electrochemical gas sensor for detecting sulfur dioxide at low concentration levels.
Developed an all-solid-state electrochemical sensor using lithium borate electrolyte.
Characterized the sensor's performance using various multimodal techniques.
Evaluated the detection limit for SO2 and established the sensing mechanism.
Achieved a detection limit of 0.25 ppm for SO2.
Demonstrated a linear correlation between open-circuit potential and SO2 concentration.
Validated the Nernstian nature of the sensor response.

Cite This Study

Lagunas et al. (2026) studied this question.

synapsesocial.com/papers/69b79dce8166e15b153aaf89 https://doi.org/10.1021/acsaelm.5c02352

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Ionic-Based Electrochemical Gas Sensors for Low-Cost, High-Sensitivity SO 2 Detection

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Cite This Study

Ionic-Based Electrochemical Gas Sensors for Low-Cost, High-Sensitivity SO 2 Detection

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Implication

Key Points

Cite This Study

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