Preparation and characterization of a novel piezoelectric nanogenerator based on soluble and meltable copolyimide for harvesting mechanical energy

The intrinsic piezoelectric properties of materials – a review with a focus on biological materials

“…Certain piezo-and triboelectric devices share similar advantages such as exibility, stretch-ability, relatively simple design and a general high energy output. 3,81,96,201 Despite piezoelectric limitations, the potency of piezoelectric materials reaches great heights. It will not only be more profoundly available in our daily applications but also for monitoring health.…”

“…Organic molecules such as polymers can exhibit complex dipole moments giving rise to polymer-based piezoelectricity. 81,82 Polymers are excellent materials for piezoelectric devices due to; low-cost solution processing, low temperature processing, low toxicity and high chemical stability. 83 This review divides piezoelectric polymers in two classes, namely bulk polymers (which normally require poling) and polymer composites.…”

Applications of nanogenerators for biomedical engineering and healthcare systems

“…The application of nanogenerators in biosensors provides a new and effective method of medical diagnosis 198,199 and disease treatment. 200,201 Among the three kinds of nanogenerator, PENG and TENG are far more used in biomedical sensors than PyENG, because PyENG works based on pyroelectric effect and only responds to the detected temperature, so it can only be used as a temperature sensor. And the temperature of human body is almost constant, which basically eliminates the possibility of PyENG as the sensor power supply.…”

Paraffin/methyl stearate/multi‐walled carbon nanotubes composite phase change materials with wide service temperature and high latent heat

“…Seeking out new green renewable energy and improving the utilization efficiency of existing energy are currently the hotspots of research by scientists. [1][2][3][4] Therefore, thermal energy storage (TES) materials represented by phase change materials (PCMs) are considered by researchers to be a promising candidate for solving energy crisis. 5,6 Generally, the thermal storage and release capacity of PCMs is mainly derived from the melting of PCMs at high temperature and the formation of crystals at low temperature.…”