The fruit battery appeared early in the textbook to let students explore the physical factors that affect the voltage and current of the fruit battery, but today the fruit battery remains stuck in the textbook without going into the power plant. In this paper, by making fruit as the main research object, we explore the effects of fruit properties, such as fruit state, solid content and concentration, on the open circuit voltage and short circuit current of fruit battery under the established circuit through a series of comparative experiments. The theory is tested by the diode luminescence experiment, which can be used to provide theoretical and experimental basis for the fruit battery power generation based on utilizing discarded fruit.%水果电池很早就出现在课本中让同学们探究影响水果电池电压和电流的物理因素,但时至今日水果电池依然停留在课本没有走进发电厂.本文以水果为主要研究对象,通过一系列对比实验,探究在既定电路下的水果状态、固形物含量和浓度等水果性质对水果电池开路电压和短路电流的影响.用二极管发光实验检验上述理论,基于此可以利用废弃水果,为水果电池发电提供理论和实验依据.
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