鋰電池在手提電話、手提電腦及各種醫療設備等等的日常電器中經常會被用到。454Please respect copyright.PENANAQBvmeL5o0G
454Please respect copyright.PENANAPxVyQ68VVx
預計在2026年,鋰電池在國際市場的總價值更將會到達139億美金。454Please respect copyright.PENANA1y4Fun3Hzh
454Please respect copyright.PENANAkdHZHXmElU
現時有大概三種方法被用作為鋰電池的回收手段,以攝氏高於500度的高溫提取電池金屬(需要大量能量及會產生有毒氣體)、以生物細菌方式分解及提取金屬(效率非常之低)以及用各種酸液化學物提取金屬(較為普遍採用,但仍會產生有毒氣體)。454Please respect copyright.PENANAayyrk4SUDz
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454Please respect copyright.PENANAP8QxmvqV6Y
(圖1)最近有科學家發表文章(Ref1),把曬乾的燈皮粉末、廢棄鋰電池粉末及橙酸(Citric Acid)和氫氧化鈉(Sodium Hydroxide)混在一起的話,便能有效提取廢棄鋰電池粉末的金屬離子,可用作製造新電池之用。454Please respect copyright.PENANA27d07HNXoG
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454Please respect copyright.PENANAxhMcNsXrjQ
454Please respect copyright.PENANAfhq7bFb50U
(圖2)廢棄鋰電池接近90%情況下會棄置在堆填區裡,Cobalt (Co), Lithium (Li) 等金屬完全被浪費。454Please respect copyright.PENANAm7S4oCVXuZ
而歐盟數據每人每年大概製造123kg廚餘,其中蔬果類佔60%左右,大部份的廚餘最終亦會落入堆填區的下場。454Please respect copyright.PENANA4Xj9ze2oA2
454Please respect copyright.PENANABL5kPqNzeH
基於蔬果類廚餘有著各種有機物質能夠提取廢棄鋰電池的金屬,再加上橙皮研究發現的基礎,如何把兩種廢料有效妥善回收及運利用將會是一道重要的可持續性發展話題。454Please respect copyright.PENANAv1aMs3lGOG
454Please respect copyright.PENANADDWcjbYt4P
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454Please respect copyright.PENANApp7q4OHhOM
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。454Please respect copyright.PENANAQKhX3xqUQ1
454Please respect copyright.PENANAfkNiAE0O9m
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc454Please respect copyright.PENANAIyVOtbdOKp
454Please respect copyright.PENANAD2QOsQRK7D
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。454Please respect copyright.PENANAbnuaJv7hh9
454Please respect copyright.PENANA7xIKoExjxC
Link:454Please respect copyright.PENANAspxG0GXkL1
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio454Please respect copyright.PENANAuuCaDTtruV
454Please respect copyright.PENANADmeP7TbsbP
454Please respect copyright.PENANAo30g46dhQs
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。454Please respect copyright.PENANAcUR4jWZsgp
454Please respect copyright.PENANAsM884TYC0t
454Please respect copyright.PENANALxmwvb3uVL
Ref1:https://pubs.acs.org/doi/10.1021/acs.est.0c02873454Please respect copyright.PENANAWASoLTxe32
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #36
深入淺出–鋰電池及橙皮
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