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干电池放久了会没电吗

更新时间: 2020-11-07 00:00:00     

干电池在保质期内总电量是不允许下降到80%的,但如果与空气接触时间过长或者接触到金属可能会没电。干电池是一种伏打电池,利用某种吸收剂(如木屑或明胶)使内含物成为不会外溢的糊状。常用作手电筒照明、收音机等的电源。我国干电池技术经过多年发展,其比能量、循环寿命、高低温适应性等问题已有所突破。

关键词: 干电池

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