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。686Please respect copyright.ＰＥＮＡＮＡthtk93ltPZ
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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。686Please respect copyright.ＰＥＮＡＮＡDdwYWECHUo
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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）。686Please respect copyright.ＰＥＮＡＮＡWm9LOlb8XO
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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。686Please respect copyright.ＰＥＮＡＮＡiENMA44yX9
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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。686Please respect copyright.ＰＥＮＡＮＡuCFya7NC7E
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。686Please respect copyright.ＰＥＮＡＮＡCQg8r8JE1b
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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。686Please respect copyright.ＰＥＮＡＮＡqdN0D6LLzO
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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。686Please respect copyright.ＰＥＮＡＮＡHGY8EOoi1Z
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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/toc686Please respect copyright.ＰＥＮＡＮＡk8giWg7xoc
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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。686Please respect copyright.ＰＥＮＡＮＡL4DnprG7EC
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Link:686Please respect copyright.ＰＥＮＡＮＡCSclSK1LJX
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio686Please respect copyright.ＰＥＮＡＮＡ0rWAq8pX2U
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。686Please respect copyright.ＰＥＮＡＮＡ2DjhSa2PRZ
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Ref1:https://pubs.acs.org/doi/10.1021/acs.est.0c02873686Please respect copyright.ＰＥＮＡＮＡ4ZqSAi0oBm

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