Energy storage humidity detector

Is there a self-powered electrochemical humidity sensor with primary battery structure?

Herein, we proposed a self-powered electrochemical humidity (ECH) sensor with primary battery structure, using NaCl and hydroxylated multi-walled carbon nanotubes (OH-MWCNTs) as humidity sensing electrolyte, and MnO 2 and Al as electrodes.

What is the power generation humidity sensor based on primary battery structure?

The power generation humidity sensor based on primary battery structure is developed. The humidity sensor can spontaneously output voltage at 41.1–91.5% RH. The humidity sensor can output 0.58 V at 91.5% RH. The humidity sensor has potential applications in respiratory rate and diaper monitoring.

How self-powered wireless humidity monitoring system is based on ECH sensor?

To verify the self-powered characteristics of the ECH sensor, we conceptualized and designed a self-powered wireless humidity monitoring system based on ECH sensor, which is mainly composed of ECH sensor array, energy storage element, system circuit (signal reading module) and mobile APP (Fig. 1 b).

How to achieve real-time self-powered humidity detection?

In the future, it is possible to achieve real-time self-powered humidity detection by improving the output power of ECH sensors and efficiency of micro-energy collection circuits, and reducing system power consumption. The following is the Supplementary material related to this article Video S2.

What is a wireless humidity sensor system?

The sensor system has a high sensitivity of 1.26 kHz/%RH and high linearity. A self-powered wireless humidity sensor system based on a high performance TENG composed of PA66 and FEP is developed, which is able to transmit humidity information wirelessly and instantaneously through the magnetic resonance-coupling.

Are power generation humidity sensors self-powered?

With the development of nanogenerator and self-powered system proposed by Zhong Lin Wang’s research group , , , the power generation humidity sensors have attracted extensive attention of researchers and have been developed because of their potential self-powered advantage.