发电
锅炉(水暖)
电
发电机(电路理论)
材料科学
环境科学
多孔性
废物管理
工艺工程
核工程
复合材料
工程类
电气工程
物理
热力学
功率(物理)
作者
Sujith Lal,Vamshi Sunku Mohan,Sudip K. Batabyal
标识
DOI:10.1002/adsu.202400052
摘要
Abstract Integrating two advanced techniques, such as solar thermal evaporation (STE) for freshwater production and hydrovoltaic (HV) for electricity generation, makes a considerable attempt to attain basic energy needs. Here in this work, a crisscross porous carbonized ethanol‐treated potato cake as a hydrovoltaic device (CHV) is fabricated. CHV device is a highly stable, portable, eco‐friendly device with a maximum output voltage of 0.23 V and current of 5 µA under ambient conditions. This is further raised to 0.5 V when exposing 1 sun illumination (1 kW m 2 ). Voltage studies are done by varying the wind flow, relative humidity, and bulk water temperature to confirm the device's HV property and dependent factors. The potential application of the device is tested by glowing an LED light connected with 5 CHV devices in series. It is continuously delivered output till the bulk water is dry. The shelf‐life ability of CHV is also analyzed after 1 year of usage and provided nearly the same outcome. Therefore, this single device with dual‐energy harvesting gives a significant solution to society's energy and water crisis for a better tomorrow.
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