科普專欄–薯不揀單 - 深入淺出–鋰電池及橙皮

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。691Please respect copyright.ＰＥＮＡＮＡCLqkpvnZLG
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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。691Please respect copyright.ＰＥＮＡＮＡzM1ueGKNE2
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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）。691Please respect copyright.ＰＥＮＡＮＡylCfrI6W4O
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（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。691Please respect copyright.ＰＥＮＡＮＡOmjoeT8OPn
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（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。691Please respect copyright.ＰＥＮＡＮＡGkkvauNgl1
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。691Please respect copyright.ＰＥＮＡＮＡndm2X4H7rq
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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。691Please respect copyright.ＰＥＮＡＮＡyjTutvSTye
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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。691Please respect copyright.ＰＥＮＡＮＡ21lrtHlp5O
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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/toc691Please respect copyright.ＰＥＮＡＮＡRC9rd0rmL1
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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。691Please respect copyright.ＰＥＮＡＮＡf7d4MbCtIy
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio691Please respect copyright.ＰＥＮＡＮＡtzAjR1WD50
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。691Please respect copyright.ＰＥＮＡＮＡqtH5JfGehn
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Ref1:https://pubs.acs.org/doi/10.1021/acs.est.0c02873691Please respect copyright.ＰＥＮＡＮＡGs9tRZ3d1r

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