根據行政院環境保護署統計，西元2019年之各類電池回收量約為七萬兩千公噸，經文獻調查及台北市環保局統計發現，接近六成之回收電池尚有殘存電量可供使用。為了避免資源的浪費，本研究配合「基於自適應性脈波放電法回收一次性廢棄電池剩餘電量的實現」，提出基於內電阻之一次電池的殘存電量估測，以避免多顆廢棄一次電池同時進行剩餘電量回收時會發生的放電不平均、不完全之現象，並且分析廢棄電池剩餘電量回收裝置之效率。本文內容包括內電阻與一次電池電容量之關係驗證、基於內電阻之一次電池殘存電量估測實驗、一次電池殘存電量與內電阻之擬合函數、擬合函數之驗證實驗。內電阻之電容量估測方法是以材料化學的觀點切入，當電池放電時，反應物減少、內電阻相對增加，因此可藉由量測內電阻值來推估電池殘存電量。本文首先使用不同放電方式將一次電池放出相同電量，確認一次電池內電阻的增長與不同放電方式的關係，再進行一次電池放電後之靜置時間實驗，以減少計算內電阻之參數誤差。接著，將全新一次電池逐次放出固定電量直至截止條件，每次放電後皆量測一次電池之內電阻。最後將實驗結果進行統計分析、曲線擬合，並且使用隨機廢棄電池進行基於內電阻之一次電池殘存電量估測的驗證。

According to the statistics of the Environmental Protection Administration of the Executive Yuan, there were 72,000 tons of disposed batteries in 2019. On the basis of literature and the statistics of the Department of Environmental Protection in Taipei, nearly 60% of disposed batteries still had residual energy available. In order to avoid the waste of energy, this thesis cooperated with “Implementation of Recycling Residual Power from Discarded Primary Batteries based on Self-Adaptive Pulse Discharging Method”, and proposed residual capacity estimation of primary batteries based on internal resistances to avoid the phenomenon of uneven and incomplete discharge that occurs when multiple disposed primary batteries are used for residual energy recycling.
The estimation of residual capacity based on internal resistances is from the material chemistry of view. When a battery is discharged, reactants decrease and internal resistance relatively increases. Therefore, residual capacity of batteries can be estimated by measuring internal resistances. This thesis first used different discharge methods to discharge the same amount of energy from primary batteries to verify the relationship between the increase in internal resistance of primary batteries and different discharge methods. Then, it conducted a rest time experiment after batteries were discharged to reduce the parameter error in calculating internal resistance. The primary batteries were discharged successively, and the internal resistances of the battery were measured after each discharge, Finally, data of internal resistances and residual capacities of primary batteries were statistically analyzed and curve-fitted, and we used random disposed primary batteries to verify the fitting curve.

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