https://scholars.lib.ntu.edu.tw/handle/123456789/605928
Title: | An Approach to Recover Energy from Discarded Primary Batteries before Being Disassembled | Authors: | Lee, Chien-Hsing Cheng, Hsiang-Wen Liao, Bo-Wei JOE-AIR JIANG |
Keywords: | Discarded primary battery;energy recovery;pulse discharge (PD) method;series-parallel switching;Primary batteries;Control circuits;Discharge currents;Energy recovery;Optimal pulse frequency;Recovering energy;Recovery efficiency;Remaining capacity;Series-parallel;Recovery | Issue Date: | 2022 | Journal Volume: | 69 | Journal Issue: | 6 | Start page/Pages: | 6247-6257 | Source: | IEEE Transactions on Industrial Electronics | Abstract: | This article demonstrates the feasibility of recovering energy from discarded primary batteries (e.g., alkaline or zinc-carbon) that would be disposed of as normal household waste based on self-adaptive pulse discharge (SAPD) method. The SAPD approach is utilized to search the optimal pulse frequency and duty cycle for different types of used batteries with the maximum allowed discharge current. To assess the performance of the proposed approach, a prototype including improved passive cell balancing circuit, SAPD control circuit, and series-parallel switching circuit of supercapacitor banks was designed and implemented to drain a battery bank that consisted of at least 6 but at most 10 used cells of different brands in series. Discharging experiments show that the energy recovery with six to ten used batteries ranges from 798 to 1455 J, and the corresponding recovery efficiency is about 33.49%-46.43%. Although outcomes are still far from being satisfactory in the efficiency with the proposed approach, the rate of energy recovery may depend on the remaining capacity of discarded batteries and so may be advantageous if the battery has a high remaining capacity. Therefore, authors conclude that there is possibly a direct link between the recovery efficiency and the remaining capacity of discarded batteries. ? 1982-2012 IEEE. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85112621954&doi=10.1109%2fTIE.2021.3088367&partnerID=40&md5=d49b51febb7b77fee05fbdc18fbf0067 https://scholars.lib.ntu.edu.tw/handle/123456789/605928 |
ISSN: | 02780046 | DOI: | 10.1109/TIE.2021.3088367 |
Appears in Collections: | 生物機電工程學系 |
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