20 March 2025: PIB Summary For UPSC
1. Redefining energy storage with photo-assisted, self-charging energy storage devices
(Source – https://pib.gov.in/PressReleasePage.aspx?PRID=2112812 )
| Topic: GS3 – Science and Technology |
| Context |
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New Discovery: Air-Chargeable Photo-Assisted Battery:
- Photo-Assisted Feature: This battery can also store more energy when exposed to light, combining solar energy capture with energy storage.
- No External Power Needed: Unlike regular batteries that need an external power source, this battery can recharge on its own.
- Use of Special Materials: It uses vanadium oxide (VO₂) and tungsten trioxide (WO₃), which improve energy storage and charge separation.
| How does it work? |
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Sustainable Energy Solution: This innovation supports clean energy and can power self-reliant electronic devices.
Higher Energy Storage: The battery increases charge storage capacity by 170% at a low current.
Open Circuit Potential: It provides an output voltage of 1V without an external source.
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