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Paper-Based Batteries as Conductivity Sensors for Single-Use Applications.
ACS Sensors ( IF 8.2 ) Pub Date : 2020-05-20 , DOI: 10.1021/acssensors.0c00405 Laura Ortega 1 , Anna Llorella 1 , Juan Pablo Esquivel 1 , Neus Sabaté 1, 2
ACS Sensors ( IF 8.2 ) Pub Date : 2020-05-20 , DOI: 10.1021/acssensors.0c00405 Laura Ortega 1 , Anna Llorella 1 , Juan Pablo Esquivel 1 , Neus Sabaté 1, 2
Affiliation
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We present a novel approach to measure ionic conductivity with a self-powered strategy. In particular, we propose the use of a paper-based battery as a sensor. The battery sensor unit consists of two electrodes placed side-by-side and covered by a piece of hydrophilic paper strip. The electrodes are externally connected to a resistive element. The addition of the fluid to be sensed—which acts as the electrolyte—activates the battery, which generates an output voltage that is dependent on the conductivity of the liquid sample. The device, which is conceived as a single-use disposable sensor, has been tested with different synthetic and biological liquid samples. The battery sensor effectiveness has been assessed by comparing its performance with a commercial laboratory conductometer. The device opens new avenues for conductivity monitoring in small portable and wearable devices, as it simplifies the number of electronic components and the need of additional power sources.
中文翻译：
纸基电池作为一次性应用的电导率传感器。
我们提出了一种通过自供电策略测量离子电导率的新颖方法。特别是，我们建议使用纸基电池作为传感器。电池传感器单元由两个并排放置的电极组成，并被一块亲水性纸条覆盖。电极从外部连接到电阻元件。添加要检测的流体（充当电解质）会激活电池，电池会产生依赖于液体样品电导率的输出电压。该设备被认为是一次性使用的一次性传感器，已经用不同的合成和生物液体样品进行了测试。通过将其性能与商用实验室电导仪进行比较，可以评估电池传感器的有效性。
更新日期：2020-06-26
中文翻译：
纸基电池作为一次性应用的电导率传感器。
我们提出了一种通过自供电策略测量离子电导率的新颖方法。特别是，我们建议使用纸基电池作为传感器。电池传感器单元由两个并排放置的电极组成，并被一块亲水性纸条覆盖。电极从外部连接到电阻元件。添加要检测的流体（充当电解质）会激活电池，电池会产生依赖于液体样品电导率的输出电压。该设备被认为是一次性使用的一次性传感器，已经用不同的合成和生物液体样品进行了测试。通过将其性能与商用实验室电导仪进行比较，可以评估电池传感器的有效性。
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