科学素养与生活应用·英语30篇（2）
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Why Electric Cars Charge Slower in Cold Weather
电动车为何在寒冷天气充电变慢
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Cold temperatures slow lithium-ion battery chemistry, reducing ion mobility inside the cells.低温会减缓锂离子电池的化学反应，降低电池内部离子的移动性。
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Battery management systems limit charging speed to protect cells from damage or lithium plating.电池管理系统会限制充电速度，以防止电池损坏或析锂。
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Preconditioning—warming the battery using grid power before plugging in—helps restore normal charge rates.预加热——插电前利用电网电力为电池升温——有助于恢复正常的充电速率。
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Regenerative braking also becomes less efficient in freezing conditions, lowering overall energy recovery.在冰冻条件下，能量回收制动效率也会下降，降低整体能量回收效果。
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Cabin heaters draw significant power, further decreasing driving range even if the battery stays charged.座舱加热器耗电量大，即使电池电量充足，也会进一步缩短续航里程。
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Some EVs use heat pumps instead of resistive heaters to improve winter efficiency by up to 50%.部分电动车采用热泵替代电阻式加热器，冬季能效可提升高达50%。
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Charging stations in cold climates often include thermal insulation or heated connectors to minimize losses.寒冷地区的充电站常配备隔热材料或加热式连接器，以减少能量损耗。
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Drivers report up to 30% less range in sub-zero Celsius conditions—even with careful energy management.驾驶员反馈，在零下摄氏度环境中，即使精细管理能耗，续航里程仍可能减少多达30%。