Wireless sensors powered by microbial fuel cells.
作者： Avinash Shantaram , Haluk Beyenal , Raaja Raajan Angathevar Veluchamy , Zbigniew Lewandowski
DOI: 10.1021/ES0480668
关键词:
摘要: Monitoring parameters characterizing water quality, such as temperature, pH, and concentrations of heavy metals in natural waters, is often followed by transmitting the data to remote receivers using telemetry systems. Such systems are commonly powered batteries, which can be inconvenient at times because batteries have a limited lifetime must recharged or replaced periodically ensure that sufficient energy available power electronics. To avoid these inconveniences, microbial fuel cell was designed electrochemical sensors small transmit acquired receivers. The combined with low-power, high-efficiency electronic circuitry providing stable source for wireless transmission. generate enough system, produced stored capacitor used short bursts when needed. Since commercial circuits require minimum 3.3 V input our able deliver maximum 2.1 V, DC-DC converter boost potential. transmitter, gathered from sensor transmitted it wirelessly receiver. demonstrate utility temporal variations temperature were measured,
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