Passive Temperature-Responsive Solar Energy Switch for Heat and Electricity Generation

Harnessing Solar Power for Smarter Energy Use:
This project introduces a passive solar energy switch that automatically adjusts how it uses sunlight based on temperature, without electricity or moving parts. It relies on a Fresnel lens that focuses sunlight. When temperatures are low, water condenses on the lens, causing solar transmission and heating. When temperatures rise, the water evaporates, restoring the lens’s ability to focus sunlight for efficient solar electricity generation.

Why It Matters:
Heating and cooling account for over half of global electricity use. Traditional systems consume large amounts of energy, leading to high costs and environmental impact. This technology offers a self-regulating, cost-effective, and scalable alternative for energy-efficient buildings and solar power systems.

Real-World Applications:

1. Smart Windows that adapt to sunlight, reducing energy use.

2. Solar Concentrators that enhance electricity generation.

3. Off-Grid Energy Solutions that work in varying conditions.

By integrating natural processes like condensation into solar energy management, this innovation enhances sustainability and efficiency in everyday applications.

Faculty Supervisor:

Kevin Golovin

Student:

Partner:

Harvard University

Discipline:

Engineering

Sector:

Education

University:

University of Toronto

Program: