科学素养与生活应用·英语30篇（4）

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压电地砖如何将脚步转化为电能

Piezoelectric floor tiles contain crystals that produce voltage when compressed by weight.
Each step on these tiles generates enough electricity to power an LED briefly.
They work best in high-traffic areas like subway stations and shopping malls.
The energy is stored in batteries or fed directly into local lighting systems.
Unlike solar panels, they generate power regardless of daylight or weather conditions.
Engineers optimize tile placement using foot-traffic mapping software for maximum efficiency.
Some installations include real-time displays showing energy saved per passerby.
Materials scientists are now developing lead-free ceramics to reduce environmental impact.
Maintenance is simple because the tiles have no moving mechanical parts.
This technology turns everyday motion into measurable, usable clean energy.