Why in the News
- Scientists from CSIRO, RMIT University, and University of Melbourne developed the first proof-of-concept quantum battery (March 2026).
What is a Quantum Battery
- A quantum battery is an energy storage device that uses principles of quantum mechanics instead of chemical reactions.
- It can charge, store, and discharge energy like conventional batteries.
Key Quantum Principles Used
- Superposition: A system can exist in multiple states simultaneously.
- Entanglement: Particles become interconnected, enabling coordinated energy transfer.
Key Features of the Prototype
- Built using multi-layered organic microcavity.
- Wireless charging using laser.
- Operates at room temperature.
- Energy stored lasts much longer than charging time (very high efficiency).
Unique Property
- Charging speed increases with size
- Opposite to classical batteries.
- Known as quantum advantage in charging.
Potential Applications
- Ultra-fast charging of electric vehicles.
- Wireless energy transfer over long distances.
- High-efficiency next-generation energy storage systems.
Current Limitations
- Still at proof-of-concept stage.
- Major challenge: extending energy storage duration for practical use.
Significance
- Confirms theoretical predictions in quantum thermodynamics.
- Could revolutionize energy storage, transmission, and efficiency.
| [2022] Which one of the following is the context in which the term “qubit” is mentioned? (a) Cloud Services (b) Quantum Computing (c) Visible Light Communication Technologies (d) Wireless Communication Technologies |
