雪櫃、冷氣機、水煲等等各電器不時都會散發出熱力。626Please respect copyright.ＰＥＮＡＮＡ6UlxEEDAix
如果將這些多餘的熱力轉化成為電力，便能夠更有效運用資源，不作浪費。626Please respect copyright.ＰＥＮＡＮＡGd5VNMHXxw
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626Please respect copyright.ＰＥＮＡＮＡ4UDQgjwhxv
（圖2）繼續深入講解之前，我們先以非常簡單的方法概括一下發電的原理。626Please respect copyright.ＰＥＮＡＮＡ3EDf8gXWaz
626Please respect copyright.ＰＥＮＡＮＡYJZUjmJnPK
626Please respect copyright.ＰＥＮＡＮＡMWsz9t9MWi
只要電子在閉合電路單方向流動，就能促成電流，提供電力讓燈泡發光。626Please respect copyright.ＰＥＮＡＮＡbD9r1979mB
626Please respect copyright.ＰＥＮＡＮＡb5pryAoNYr
（圖3）要把熱力有效轉化為電力，我們需要一樣能夠有效傳遞電子而同時又不會傳遞熱力的物料。626Please respect copyright.ＰＥＮＡＮＡpDv5TU90rT
626Please respect copyright.ＰＥＮＡＮＡ4G7K0Rezrm
有科學家最近發表文章（Ref1)，利用化學物ferricyanide ion Fe(CN)6 –4作為媒體把熱力轉化為電力。626Please respect copyright.ＰＥＮＡＮＡBum5C8XM7J
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選用Fe(CN)6 –4的原因基於其兩種特質。626Please respect copyright.ＰＥＮＡＮＡkMIR1cw8Wi
626Please respect copyright.ＰＥＮＡＮＡiEEUgFNXFU
1.它遇冷（約攝氏20度左右）的時候，再加上Guanidinium ion的輔助下便會變成固體結晶。626Please respect copyright.ＰＥＮＡＮＡig0sVQxd6s
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2.它遇熱的時候會放出電子並成為Fe(CN)6 –3。626Please respect copyright.ＰＥＮＡＮＡKFVYIB4R6m
626Please respect copyright.ＰＥＮＡＮＡGVlji1tC8p
（圖4）以下就是利用熱力發電的精髓要點。626Please respect copyright.ＰＥＮＡＮＡnxkZYxYd9M
626Please respect copyright.ＰＥＮＡＮＡecE6eN1fdj
626Please respect copyright.ＰＥＮＡＮＡhok2S9WjvZ
1.Fe(CN)6 –4遇上外間熱力（例如電器所散發出的熱力），因而會釋發電子並成為Fe(CN)6 –3。626Please respect copyright.ＰＥＮＡＮＡukyBo6yi7M
626Please respect copyright.ＰＥＮＡＮＡ7eAdo1LFoD
2.電子在閉合電路走動，產生電流，讓燈泡發亮。626Please respect copyright.ＰＥＮＡＮＡlXIqC2HhC0
626Please respect copyright.ＰＥＮＡＮＡyJVjrGNyeE
3.電子到達另一端的凍金屬棒（約攝氏20度）後，從第1點所得來的Fe(CN)6 –3便會接收電子，變回Fe(CN)6 –4。626Please respect copyright.ＰＥＮＡＮＡPpaweygM8B
626Please respect copyright.ＰＥＮＡＮＡguPGObigzv
4.Fe(CN)6 –4在Guanidinium ion的輔助下變成固體結晶。626Please respect copyright.ＰＥＮＡＮＡI3uF6vACc9
固體相對上傳熱的能力比液體較弱，因而減低了熱金屬棒把熱力傳到凍金屬棒的效率，促使凍金屬棒及熱金屬棒維持著溫差。626Please respect copyright.ＰＥＮＡＮＡI1cDtU4OUc
626Please respect copyright.ＰＥＮＡＮＡFQ9Bi7hFQW
5.在地心吸力的影響下，固體結晶會趨往金屬棒那方。而在熱力的影響下，固體結晶變回液態Fe(CN)6 –4，重回第1點不斷循環。626Please respect copyright.ＰＥＮＡＮＡesi8Qj3Hs4
626Please respect copyright.ＰＥＮＡＮＡznGh88Hdyg
綜合來說，科學家巧妙利用了Fe(CN)6 –4遇熱釋出電子的特點，以及遇冷配合Guanidinium結成固體、固體不易傳熱的特質，建造了有效傳遞電子而同時又不會有效傳遞熱力的物料。626Please respect copyright.ＰＥＮＡＮＡrjPUYr7hKB
626Please respect copyright.ＰＥＮＡＮＡTcuJ78RY2q
（圖5）科學家在文中亦嘗試利用20個圖4的模組，在兩極維持50度的溫差下，提供電力予各用途之上。626Please respect copyright.ＰＥＮＡＮＡrruZqzeYeG
626Please respect copyright.ＰＥＮＡＮＡzo80yqpsKN
626Please respect copyright.ＰＥＮＡＮＡstOw3JXmBs
現在需要解決的問題，就是找出收集多餘熱力的有效方法及物料，引導熱力到模組裡頭。626Please respect copyright.ＰＥＮＡＮＡoTETVDEM6K
文章作者表示現時已積極尋找物料，相信假以時日絕有可能會在市面見到收集電器熱力發電的設備。626Please respect copyright.ＰＥＮＡＮＡdriXlFflMu
626Please respect copyright.ＰＥＮＡＮＡI8fLNoRE6Z
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。626Please respect copyright.ＰＥＮＡＮＡgNjEwv33tZ
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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/toc626Please respect copyright.ＰＥＮＡＮＡh6c6z6G3SG
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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。626Please respect copyright.ＰＥＮＡＮＡSMRrqkCWKc
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Link:626Please respect copyright.ＰＥＮＡＮＡBKaWv2kvrN
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio626Please respect copyright.ＰＥＮＡＮＡLmzhUDTEEp
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。626Please respect copyright.ＰＥＮＡＮＡ0FiKnmULhc
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Ref1:https://science.sciencemag.org/content/early/2020/09/09/science.abd6749626Please respect copyright.ＰＥＮＡＮＡ6V9Qqn1I6Z
8964 copyright protection622ＰＥＮＡＮＡOvAtRf7Oba 維尼

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