雪櫃、冷氣機、水煲等等各電器不時都會散發出熱力。599Please respect copyright.ＰＥＮＡＮＡJDj7KA2y7K
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。599Please respect copyright.ＰＥＮＡＮＡ2zfKR2Yg0m
599Please respect copyright.ＰＥＮＡＮＡj1W1VaM0zd
599Please respect copyright.ＰＥＮＡＮＡniMCzEBwv2
（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。599Please respect copyright.ＰＥＮＡＮＡdWSNe1llKv
599Please respect copyright.ＰＥＮＡＮＡQAmPBOlrYl
599Please respect copyright.ＰＥＮＡＮＡ7I4VkfF14n
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。599Please respect copyright.ＰＥＮＡＮＡs6tOtKsVD7
599Please respect copyright.ＰＥＮＡＮＡxe9Ahe0JhR
（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。599Please respect copyright.ＰＥＮＡＮＡaqIk2Zj5JQ
599Please respect copyright.ＰＥＮＡＮＡp9kVYmRlAj
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。599Please respect copyright.ＰＥＮＡＮＡ1Uxn5g7FRJ
599Please respect copyright.ＰＥＮＡＮＡZQfmGJHPiS
599Please respect copyright.ＰＥＮＡＮＡiXZJtt2Mu3
選用Fe(CN)6 –4的原因基於其兩種特質。599Please respect copyright.ＰＥＮＡＮＡhbXOPvEajw
599Please respect copyright.ＰＥＮＡＮＡwItEx9Lqgw
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。599Please respect copyright.ＰＥＮＡＮＡb9U3Ed2VZH
599Please respect copyright.ＰＥＮＡＮＡtUixJ4c2Sd
2.它遇熱的時候會放出電子並成為Fe(CN)6 –3。599Please respect copyright.ＰＥＮＡＮＡbMUaUAyZmn
599Please respect copyright.ＰＥＮＡＮＡeZm39ehfyc
（圖4）以下就是利用熱力發電的精髓要點。599Please respect copyright.ＰＥＮＡＮＡ9I1o28i8he
599Please respect copyright.ＰＥＮＡＮＡI2IHbAMUdh
599Please respect copyright.ＰＥＮＡＮＡoIfrfBP0V5
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。599Please respect copyright.ＰＥＮＡＮＡMy22K1eJbz
599Please respect copyright.ＰＥＮＡＮＡMW0qCgyZ4s
2.電子在閉合電路走動，產生電流，讓燈泡發亮。599Please respect copyright.ＰＥＮＡＮＡMAovn8CDdM
599Please respect copyright.ＰＥＮＡＮＡ3gaLo0e4kW
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。599Please respect copyright.ＰＥＮＡＮＡAsARnjdnjW
599Please respect copyright.ＰＥＮＡＮＡQlagM3umOR
4.Fe(CN)6 –4在Guanidinium ion的輔助下變成固體結晶。599Please respect copyright.ＰＥＮＡＮＡkZ6lY00J0i
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。599Please respect copyright.ＰＥＮＡＮＡTMexbzbjXI
599Please respect copyright.ＰＥＮＡＮＡXAubdX1tKr
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。599Please respect copyright.ＰＥＮＡＮＡc9ccORk8a2
599Please respect copyright.ＰＥＮＡＮＡOnxplQB02l
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。599Please respect copyright.ＰＥＮＡＮＡoMZRVB0iAe
599Please respect copyright.ＰＥＮＡＮＡ2hP0jKAuZ3
（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。599Please respect copyright.ＰＥＮＡＮＡWXZmpsY0Pz
599Please respect copyright.ＰＥＮＡＮＡFGFFnlUOUD
599Please respect copyright.ＰＥＮＡＮＡ8IjcmUkMx0
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。599Please respect copyright.ＰＥＮＡＮＡOYh7rqlZde
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。599Please respect copyright.ＰＥＮＡＮＡWq31KFXag6
599Please respect copyright.ＰＥＮＡＮＡoG3RabexzO
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。599Please respect copyright.ＰＥＮＡＮＡX7YOCK4266
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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/toc599Please respect copyright.ＰＥＮＡＮＡ0AfEoZWybq
599Please respect copyright.ＰＥＮＡＮＡ6lxgh5j2TM
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。599Please respect copyright.ＰＥＮＡＮＡsaC7HgZD4X
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Link:599Please respect copyright.ＰＥＮＡＮＡsaovFGz9Pv
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio599Please respect copyright.ＰＥＮＡＮＡdNLNfxPy6Q
599Please respect copyright.ＰＥＮＡＮＡd4rfD5RVaZ
599Please respect copyright.ＰＥＮＡＮＡQa4mOR76ub
有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。599Please respect copyright.ＰＥＮＡＮＡMPSn4qhoOu
599Please respect copyright.ＰＥＮＡＮＡyuWs3MW7ea
Ref1:https://science.sciencemag.org/content/early/2020/09/09/science.abd6749599Please respect copyright.ＰＥＮＡＮＡwjdWqrbl6V
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