STEM与日常科技·英语30篇（5）
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Graphene Heat Spreaders Keep Phones Cool
石墨烯导热膜如何为手机散热
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Modern smartphones pack powerful chips into tiny spaces, generating heat faster than metal alone can move.
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Engineers now embed ultra-thin graphene films—just one atom thick—between the processor and back cover.
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Graphene conducts heat five times better than copper, spreading hotspots across a wider surface area.
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This prevents sudden temperature spikes that slow down performance or shorten battery life.
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Unlike bulky heat pipes, graphene layers add less than 0.1 mm to device thickness.
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They also resist bending and corrosion, making them ideal for foldable phones and wearables.
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In lab tests, graphene-cooled chips ran 12°C cooler under continuous video playback.
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Mass production has dropped costs enough for mid-range phones to include them since 2023.
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Some newer versions combine graphene with phase-change materials that absorb extra heat silently.
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What began as Nobel Prize-winning physics now lives in your pocket—quietly keeping things running smoothly.