STEM与日常科技·英语30篇（5）

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石墨烯导热膜如何为手机散热

Modern smartphones pack powerful chips into tiny spaces, generating heat faster than metal alone can move.
Engineers now embed ultra-thin graphene films—just one atom thick—between the processor and back cover.
Graphene conducts heat five times better than copper, spreading hotspots across a wider surface area.
This prevents sudden temperature spikes that slow down performance or shorten battery life.
Unlike bulky heat pipes, graphene layers add less than 0.1 mm to device thickness.
They also resist bending and corrosion, making them ideal for foldable phones and wearables.
In lab tests, graphene-cooled chips ran 12°C cooler under continuous video playback.
Mass production has dropped costs enough for mid-range phones to include them since 2023.
Some newer versions combine graphene with phase-change materials that absorb extra heat silently.
What began as Nobel Prize-winning physics now lives in your pocket—quietly keeping things running smoothly.