STEM与日常科技·英语30篇（1）
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Regenerative Braking in Electric Vehicles
电动汽车能量回收制动
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When an EV driver lifts off the accelerator, the electric motor switches into generator mode, converting kinetic energy back into stored electricity.
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This captured energy flows through power electronics into the battery, extending range by 5–15% depending on driving conditions.
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Unlike friction brakes that waste energy as heat, regenerative braking recovers usable power — especially effective in stop-and-go city traffic.
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Drivers feel mild deceleration without touching the brake pedal, a feature known as ‘one-pedal driving’ in many modern EVs.
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Brake blending software seamlessly combines regenerative and hydraulic braking to ensure consistent, predictable stopping power at all speeds.
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Cold temperatures reduce battery acceptance, so regen strength is automatically lowered when cells are below 10°C to protect longevity.
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Energy recovery systems also cool batteries slightly during charging, helping thermal management without extra components.
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While not replacing traditional brakes entirely, regen significantly cuts brake pad wear and lowers maintenance costs over the vehicle’s lifetime.