Sensing Application — 1D Conductive Metal-Organic Framework-Enabled Dual-Parameter MEMS Gas Sensor for Thermal Runaway Monitoring

11 measurement groups · 55 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Chemiresistive CO sensing with Agilent 4156C

In-situ grown CuBTA film on MEMS IDEs · Thin Film

40 ppm CO in N2 at 20 deg C, 500 mV test voltage; response = (Ig-Ib)/Ib x 100% for reducing gases

Temperature: 293
Atmosphere: N2 background; oxygen-deficient/anhydrous target conditions
Geometry: 4-channel MEMS IDE, 100 um x 100 um electrodes
Context: In-situ CuBTA MEMS gas sensor
Measurement source: p.5 · Results and Discussion, 2.2 · Figure 4a,b,d; Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CuBTA CO-response slope at 20 °C	y = 0.82x - 1.28	—	—	Figure Axis Rounded Reported	SI p.14 · Figure S13 · Figure S13a-d
CuBTA CO-response slope at 40 °C	y = 1.07x - 0.43	—	—	Figure Axis Rounded Reported	SI p.14 · Figure S13 · Figure S13a-d
CuBTA CO-response slope at 60 °C	y = 1.27x - 0.61	—	—	Figure Axis Rounded Reported	SI p.14 · Figure S13 · Figure S13a-d
CuBTA CO-response slope at 80 °C	y = 1.45x - 0.88	—	—	Figure Axis Rounded Reported	SI p.14 · Figure S13 · Figure S13a-d
CO calibration R2	R2 = 0.99	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Figure 4d
CO calibration slope	y = 0.82x - 1.31	—	—	Figure Axis Rounded Reported	p.6 · Results and Discussion, 2.2 · Figure 4d
CO response at 40 ppmMarked as a best value within this paper	73.5% at 40 ppm CO	—	—	Text Exact Reported	p.5 · Results and Discussion, 2.2 · Figure 4a
CO recovery timeMarked as a best value within this paper	100 s	—	—	Text Exact Reported	p.5 · Results and Discussion, 2.2 · Figure S7
CO response timeMarked as a best value within this paper	120 s	—	—	Text Exact Reported	p.5 · Results and Discussion, 2.2 · Figure S7
Theoretical CO detection limitMarked as a best value within this paper	314 ppb	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Equation 1
Power consumption for CuBTA CO sensorMarked as a best value within this paper	250 nW	—	—	SI Table Exact Reported	SI p.32 · Supporting Tables · Table S5

Chemiresistive CO sensing with Agilent 4156C

In-situ grown NiBTA film on MEMS IDEs · Thin Film

40 ppm CO in N2 at 20 deg C, 500 mV test voltage; response = (Ig-Ib)/Ib x 100% for reducing gases

Temperature: 293
Atmosphere: N2 background; oxygen-deficient/anhydrous target conditions
Geometry: 4-channel MEMS IDE, 100 um x 100 um electrodes
Context: In-situ NiBTA MEMS gas sensor
Measurement source: p.5 · Results and Discussion, 2.2 · Figure 4a,c,d; Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NiBTA CO-response slope at 20 °C	y = 0.91x + 0.87	—	—	Figure Axis Rounded Reported	SI p.15 · Figure S14 · Figure S14a-d
NiBTA CO-response slope at 40 °C	y = 1.18x + 0.53	—	—	Figure Axis Rounded Reported	SI p.15 · Figure S14 · Figure S14a-d
NiBTA CO-response slope at 60 °C	y = 1.45x + 0.61	—	—	Figure Axis Rounded Reported	SI p.15 · Figure S14 · Figure S14a-d
NiBTA CO-response slope at 80 °C	y = 1.72x + 0.49	—	—	Figure Axis Rounded Reported	SI p.15 · Figure S14 · Figure S14a-d
CO calibration R2	R2 = 0.99	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Figure 4d
CO calibration slope	y = 0.91x + 0.7	—	—	Figure Axis Rounded Reported	p.6 · Results and Discussion, 2.2 · Figure 4d
CO response at 40 ppm	52.5% at 40 ppm CO	—	—	Text Exact Reported	p.5 · Results and Discussion, 2.2 · Figure 4a
CO recovery time	750 s	—	—	Text Exact Reported	p.5 · Results and Discussion, 2.2 · Figure S7
CO response time	195 s	—	—	Text Exact Reported	p.5 · Results and Discussion, 2.2 · Figure S7
Theoretical CO detection limit	398 ppb	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Equation 1
Power consumption for NiBTA CO sensorMarked as a best value within this paper	10 nW	—	—	SI Table Exact Reported	SI p.32 · Supporting Tables · Table S5

Humidity-dependent CO sensing

In-situ grown CuBTA film on MEMS IDEs · Thin Film

40 ppm CO at 10, 30, 50, 70 and 90% RH; N2/air background comparisons in Figure S10

Temperature: 293
Atmosphere: humidified N2 or air
Context: CuBTA humidity response
Measurement source: p.7 · Results and Discussion, 2.2 · Figure 4i; Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CuBTA 40 ppm CO response in air at 10% RH	62.5%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10a
CuBTA 40 ppm CO response in air at 50% RH	23.3%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10a
CuBTA 40 ppm CO response in N2 at 10% RH	72.6%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10a
CuBTA 40 ppm CO response in N2 at 50% RH	34.5%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10a
High-RH response	response dropping below 20% at high humidity levels	—	—	Text Approximate	p.7 · Results and Discussion, 2.2 · Figure 4i

Humidity-dependent CO sensing

In-situ grown NiBTA film on MEMS IDEs · Thin Film

40 ppm CO at 10, 30, 50, 70 and 90% RH; N2/air background comparisons in Figure S10

Temperature: 293
Atmosphere: humidified N2 or air
Context: NiBTA humidity response
Measurement source: p.7 · Results and Discussion, 2.2 · Figure 4i; Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Air background effect	response to 40 ppm CO in air is lower than in N2	—	—	Qualitative Qualitative	p.7 · Results and Discussion, 2.2 · Figure S10
NiBTA 40 ppm CO response in air at 10% RH	45.1%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10b
NiBTA 40 ppm CO response in air at 50% RH	7.2%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10b
NiBTA 40 ppm CO response in N2 at 10% RH	53.1%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10b
NiBTA 40 ppm CO response in N2 at 50% RH	13.8%	—	—	Figure Axis Rounded Reported	SI p.11 · Figure S10 · Figure S10b

Gas selectivity measurement

In-situ grown CuBTA film on MEMS IDEs · Thin Film

40 ppm gases/VOCs under identical testing conditions; CO, NO2, CO2, H2, CH4, DMC, DEC, EMC

Temperature: 293
Atmosphere: N2 background
Context: CuBTA selectivity
Measurement source: p.7 · Results and Discussion, 2.2 · Figure 4h

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Selectivity response to COMarked as a best value within this paper	73.3%	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Figure 4h
Selectivity response to NO2	18.2%	—	—	Figure Axis Approximate	p.6 · Results and Discussion, 2.2 · Figure 4h
Electrolyte solvent response	almost no response to DMC, DEC and EMC	—	—	Text Qualitative	p.7 · Results and Discussion, 2.2 · Figure 4h
Other-gas response range	0.01% to 21.5%	—	—	Text Range	p.7 · Results and Discussion, 2.2 · Figure 4h

Gas selectivity measurement

In-situ grown NiBTA film on MEMS IDEs · Thin Film

40 ppm gases/VOCs under identical testing conditions; CO, NO2, CO2, H2, CH4, DMC, DEC, EMC

Temperature: 293
Atmosphere: N2 background
Context: NiBTA selectivity
Measurement source: p.7 · Results and Discussion, 2.2 · Figure 4h

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Selectivity response to CO	52.3%	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Figure 4h
Selectivity response to NO2	21.5%	—	—	Figure Axis Approximate	p.6 · Results and Discussion, 2.2 · Figure 4h

Cyclic and five-week CO sensing stability

In-situ grown CuBTA film on MEMS IDEs · Thin Film

Six consecutive exposures to 40 ppm CO; weekly response to 40 ppm CO for 5 weeks

Temperature: 293
Atmosphere: N2 background
Context: CuBTA stability
Measurement source: p.7 · Results and Discussion, 2.2 · Figure 4e,g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Six-cycle response attenuationMarked as a best value within this paper	about 2.3% by sixth cycle	—	—	Text Approximate	p.7 · Results and Discussion, 2.2 · Figure 4e
Week-5 CO response	about 70.1% at week 5	—	—	Figure Axis Approximate	p.6 · Results and Discussion, 2.2 · Figure 4g

Cyclic and five-week CO sensing stability

In-situ grown NiBTA film on MEMS IDEs · Thin Film

Six consecutive exposures to 40 ppm CO; weekly response to 40 ppm CO for 5 weeks

Temperature: 293
Atmosphere: N2 background
Context: NiBTA stability
Measurement source: p.7 · Results and Discussion, 2.2 · Figure 4f,g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Six-cycle response attenuation	7.1% by sixth cycle	—	—	Text Exact Reported	p.7 · Results and Discussion, 2.2 · Figure 4f
Week-5 CO response	about 48.1% at week 5	—	—	Figure Axis Approximate	p.6 · Results and Discussion, 2.2 · Figure 4g

MEMS micro-heating plate temperature response

PDMS-encapsulated CuBTA MEMS temperature sensor · Thin Film

Temperature response from 20-120 deg C; current measured at 500 mV

Temperature: 293-393
Atmosphere: gas environment with PDMS encapsulation
Geometry: PDMS-encapsulated MEMS IDE channel
Context: CuBTA temperature channel
Measurement source: p.9 · Results and Discussion, 2.4 · Figure 6f,h; Figure S22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Temperature-response linearity	R2 = 0.99	—	—	Text Exact Reported	p.9 · Results and Discussion, 2.4 · Figure 6f
Linear temperature-response range	20-120 deg C	—	—	Text Range	p.9 · Results and Discussion, 2.4 · Figure 6f
Temperature-response slope	y = 0.11x - 1.77	—	—	Figure Axis Rounded Reported	p.9 · Results and Discussion, 2.4 · Figure 6f
MEMS micro-heating plate voltage-temperature range	Heating voltage 0-2.5 V gives approximately 20-375 °C	—	—	Figure Axis Approximate	SI p.27 · Figure S22 · Figure S22
PDMS CO blocking response	no response to CO under PDMS isolation	—	—	Text Qualitative	p.8 · Results and Discussion, 2.4 · Figure S12
Temperature cyclic stability temperatures	40, 60 and 100 deg C	—	—	Text Exact Reported	p.9 · Results and Discussion, 2.4 · Figure 6h

MEMS micro-heating plate temperature response

PDMS-encapsulated NiBTA MEMS temperature sensor · Thin Film

Temperature response from 20-120 deg C; current measured at 500 mV

Temperature: 293-393
Atmosphere: gas environment with PDMS encapsulation
Geometry: PDMS-encapsulated MEMS IDE channel
Context: NiBTA temperature channel
Measurement source: p.9 · Results and Discussion, 2.4 · Figure 6g,h; Figure S22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Temperature-response linearity	R2 = 0.99	—	—	Text Exact Reported	p.9 · Results and Discussion, 2.4 · Figure 6g
Linear temperature-response range	20-120 deg C	—	—	Text Range	p.9 · Results and Discussion, 2.4 · Figure 6g
Temperature-response slope	y = 0.039x - 0.75	—	—	Figure Axis Rounded Reported	p.9 · Results and Discussion, 2.4 · Figure 6g

Wireless real-time gas-temperature module demo

In-situ grown CuBTA film on MEMS IDEs · Thin Film

MBTA-MEMS sensor with STM32 MCU, ADS1115 16-bit ADC, Bluetooth, 300 mAh LIB; simulated battery pack with DMC/DEC electrolyte vapour

Atmosphere: Anhydrous and anaerobic simulated battery pack
Geometry: PCB-integrated wireless module
Context: Application demonstrator
Measurement source: p.10 · Results and Discussion, 2.5 · Figure 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Green alarm threshold	< 20 ppm	—	—	Text Exact Reported	p.10 · Results and Discussion, 2.5 · Figure 7e
Red alarm threshold	> 80 ppm	—	—	Text Exact Reported	p.10 · Results and Discussion, 2.5 · Figure 7e
Yellow alarm threshold range	20-80 ppm	—	—	Text Range	p.10 · Results and Discussion, 2.5 · Figure 7e
On-board LIB capacity	300 mAh LIB	—	—	Text Exact Reported	p.10 · Results and Discussion, 2.5 · Figure 7b,c