Flexible battery-free wireless electronic system for food monitoring

Xiao, Xinqing; Mu, Boyu; Cao, Guoqing; Yang, Yadong; Wang, Meng

doi:10.1016/j.jsamd.2022.100430

Cited by 28 publications

(25 citation statements)

References 24 publications

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“…The actual firmness of the avocados was tested using a texture analyzer (TA-XT Plus, Stable Micro Systems Co., Ltd., UK) with a 0.5 mm diameter flat-headed probe. Furthermore, the capacitive responsiveness of flexible DMPS was used to assess the moisture loss of fruits, which is an important parameter for evaluating the quality of fruits in the agricultural field . Fresh fruits were stored in an incubator (LRH-70, Shanghai Yiheng Scientific Instrument Co., Ltd., China), and capacitance was measured intermittently.…”

Section: Methodsmentioning

confidence: 99%

“…Furthermore, the capacitive responsiveness of flexible DMPS was used to assess the moisture loss of fruits, which is an important parameter for evaluating the quality of fruits in the agricultural field. 23 Fresh fruits were stored in an incubator (LRH-70, Shanghai Yiheng Scientific Instrument Co., Ltd., China), and capacitance was measured intermittently. The standard weight of the fruit was obtained by a precision electronic balance (YH-C5003, Yingheng Electric Co., Ltd., China).…”

Section: Methodsmentioning

confidence: 99%

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Flexible Dual-Mechanism Pressure Sensor Based on Ag Nanowire Electrodes for Nondestructive Grading and Quality Monitoring of Fruits

Xia

Wang

Kong

et al. 2022

ACS Appl. Nano Mater.

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To extend the application range of flexible pressure sensors and to be widely used as an economical and convenient way, researchers have made efforts toward high sensitivity, wide detection range, and low power consumption. However, most sensors can only work based on a single mechanism, thus limiting the sensing range and applicability. In view of this, we developed a dual-mechanism pressure sensor (DMPS) based on Ag nanowire/PDMS electrodes and ZnO nanoparticle-based force-sensitive membranes, which has a sandwich structure and complete flexibility under the effect of chemical bonding. It can simultaneously sense high-frequency dynamic pressure as well as static load by integrating piezoelectric and piezocapacitive effects, thereby complementing the inability of conventional piezoelectric-type sensors to continuously detect static pressure. The prepared flexible DMPS containing 20 wt % ZnO nanofiller has a pressure frequency-independent electrical output of about 2 V under 20 N force conditions and also has a long-term stability of more than 5000 pressure cycles. Moreover, it exhibits good linearity, repeatability, and stability in the 0–100 kPa detection range in the piezocapacitive mode. On the basis of multimechanism and modularity, the flexible DMPS was demonstrated for fruit quality monitoring, including avocado ripeness grading, tactile sensory gloves, and moisture loss assessment, indicating its promising applications in intelligent agricultural machines and wearable sensing systems.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Flexible Dual-Mechanism Pressure Sensor Based on Ag Nanowire Electrodes for Nondestructive Grading and Quality Monitoring of Fruits

Xia

Wang

Kong

et al. 2022

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

show abstract

“…Some renewable energy technologies such as photovoltaic (PV) cells are not able to produce power in a continuous way and require a backup system in order to supply the power in case these systems are not active or produce power inadequately. To resolve the issues related to the fluctuations in the energy sources, different hybrid energy systems, composed of two or more technologies, are applied; furthermore, these systems are able to decrease the levelized cost of energy (LCOE) and emission of greenhouse gases [14][15][16]. Hybrid Energy Systems have been modeled and optimized for different purposes [17][18][19][20][21], while the ones composed of PV cells and storage units are very conventional for the residential sector [22].…”

Section: Introductionmentioning

confidence: 99%

Techno-Economic Analysis and Optimization of an Off-Grid Hybrid Photovoltaic–Diesel–Battery System: Effect of Solar Tracker

Maleki

Nazari

2022

Sustainability

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Increment in energy demand, limitation of fossil fuels and fluctuations in their price, in addition to their pollution, necessitate development of renewable energy systems. Regarding the considerable potential of solar energy in Iran, this type of renewable energy has developed more compared with other renewable energies. Hybrid technologies consisting of photovoltaic (PV) cells, diesel generator, and battery are one of the efficient solutions to resolve the issues related to the energy supply of rural areas. In this study, a hybrid PV/diesel/battery system composed of the mentioned components is applied to supply the off-grid power with capacity of 233.10 kWh/day with peak load of 38.38 kW in a rural region in South Khorasan, Iran. The purpose of this study is to reduce the net present cost (NPC), levelized cost of energy (LCOE), CO2 reduction, renewable fraction (RF) enhancement and increase reliability. In order to improve the performance of the system, different tracking system, including fixed system, horizontal axis with monthly and continuous adjustment, vertical axis with continuous adjustment and two-axis tracker, are analyzed and assessed. The results indicate that the vertical axis with continuous adjustment tracker is the most suitable option in terms of economic and technical requirements. In this work, a sensitivity analysis is performed on different parameters such as PV cost, interest rate, diesel generator cost, battery cost, and price of fuel, and the outcomes reveal that the hybrid system with vertical axis continuous adjustment is very sensitive to costs of fuel and the battery, i.e., NPC decreases by 5% in case of 20% variations in costs of battery and fuel. In addition, it is found that diesel generator and inverter costs significantly influence NPC of the system.

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“…In addition to batteries and hydro pumps, fuel cells are one of the promising energy storage systems (ESSs) and offer many benefits. [27][28][29] There are a lot of different works in the field of battery to improve the performance. [30][31][32][33] In addition, fuel cells have high electrical efficiency, low power-to-heat ratio, and low emission.…”

Section: Introductionmentioning

confidence: 99%

Four dimensional bio‐inspired optimization approach with artificial intelligence for proton exchange membrane fuel cell

Musharavati

2022

Intl J of Energy Research

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Summary A novel hybrid 4D bio‐inspired optimization combined with an Artificial Neural Network (ANN) is proposed for finding optimal design and operational variables for a fuel cell dynamic model. In addition, a novel classification of fuel cells is proposed which can help designers and decision‐makers to set operational and contractual parameters for their desired purposes. The present article proposes three general clusters of proton exchange membrane fuel cells (PEMFCs), which help designers to choose design parameters for a vast range of applications from hydrogen vehicles to combined power generation plants. After investigating PEMFC design parameters followed by sensitivity analysis, several correlations between PEMFCs design parameters are found. For instance, the correlation between fuel cell active area and membrane thickness for optimized fuel cell units can help designers to ensure that their design is optimized. An ANN model is developed which can be used by others to ascertain in what category their fuel cell stack is.

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Flexible battery-free wireless electronic system for food monitoring

Cited by 28 publications

References 24 publications

Flexible Dual-Mechanism Pressure Sensor Based on Ag Nanowire Electrodes for Nondestructive Grading and Quality Monitoring of Fruits

Flexible Dual-Mechanism Pressure Sensor Based on Ag Nanowire Electrodes for Nondestructive Grading and Quality Monitoring of Fruits

Techno-Economic Analysis and Optimization of an Off-Grid Hybrid Photovoltaic–Diesel–Battery System: Effect of Solar Tracker

Four dimensional bio‐inspired optimization approach with artificial intelligence for proton exchange membrane fuel cell

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