BITS Pilani-Hyd researchers develop ₹70 photocatalytic fuel cell for self-powered IoT devices
GS3Economy · S&T · Environment · Security· IT, AI, semiconductors & computing· Prelims·
Why in news
Researchers at BITS Pilani-Hyderabad developed a portable, membrane-less photocatalytic fuel cell to power low-power IoT devices using sunlight.
Background
The device utilizes a 3D-printed chamber and TiO₂-coated carbon cloth electrodes to convert sunlight into electricity. It is designed for low-power electronics like sensors and LEDs with minimal electrolyte usage.
Facts for Prelims
- S&TPhotocatalytic fuel cell: A device that converts light energy into electrical energy using a photocatalyst.
- FactThe developed fuel cell is designed to power low-power electronics such as sensors and LEDs.
- S&TTiO₂ (Titanium Dioxide): Used as a coating on carbon cloth electrodes in the fuel cell.
- PlaceMEMS, Microfluidics and Nanoelectronics (MMNE) Lab: Located at BITS Pilani-Hyderabad.
For Mains
Q. Discuss how advancements in photocatalytic fuel cells can facilitate the expansion of the Internet of Things (IoT) in sustainable agriculture and environmental monitoring.
Dimensions to cover in your answer
- Energy autonomy: Reducing reliance on external power grids for remote environmental sensors
- Material efficiency: Use of 3D-printed chambers and TiO₂ coatings to minimize electrolyte waste
- Scalability: Potential for integrating self-powered sensors into wearable technology and large-scale agri-tech
Keywords: Photocatalysis · Internet of Things (IoT) · Renewable Energy · Nanoelectronics · Sustainable Technology
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