雪櫃、冷氣機、水煲等等各電器不時都會散發出熱力。621Please respect copyright.ＰＥＮＡＮＡuOu6dSW9wx
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。621Please respect copyright.ＰＥＮＡＮＡHphqKbOZKR
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（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。621Please respect copyright.ＰＥＮＡＮＡe1LHI3LPmm
621Please respect copyright.ＰＥＮＡＮＡUSZmz8Ii6A
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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。621Please respect copyright.ＰＥＮＡＮＡuVoKgue8cX
621Please respect copyright.ＰＥＮＡＮＡP2uwYC5Mv9
（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。621Please respect copyright.ＰＥＮＡＮＡ981S6CeD9X
621Please respect copyright.ＰＥＮＡＮＡl7jXNKXcw8
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。621Please respect copyright.ＰＥＮＡＮＡb8HvWOoDL7
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選用Fe(CN)6 –4的原因基於其兩種特質。621Please respect copyright.ＰＥＮＡＮＡ85MZLBK8hM
621Please respect copyright.ＰＥＮＡＮＡtidT7IFlCD
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。621Please respect copyright.ＰＥＮＡＮＡk9BZe1OmNs
621Please respect copyright.ＰＥＮＡＮＡRsLBJP7tJZ
2.它遇熱的時候會放出電子並成為Fe(CN)6 –3。621Please respect copyright.ＰＥＮＡＮＡK44kNoVwDR
621Please respect copyright.ＰＥＮＡＮＡrMD2QAFNor
（圖4）以下就是利用熱力發電的精髓要點。621Please respect copyright.ＰＥＮＡＮＡXObg6Y3pCG
621Please respect copyright.ＰＥＮＡＮＡPxUdocHDgy
621Please respect copyright.ＰＥＮＡＮＡcYf8M1rV74
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。621Please respect copyright.ＰＥＮＡＮＡYYfTz2xyZb
621Please respect copyright.ＰＥＮＡＮＡlmUU1xJudK
2.電子在閉合電路走動，產生電流，讓燈泡發亮。621Please respect copyright.ＰＥＮＡＮＡSjAn0zFyso
621Please respect copyright.ＰＥＮＡＮＡ1gkHajO0Va
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。621Please respect copyright.ＰＥＮＡＮＡfjZgISZbl5
621Please respect copyright.ＰＥＮＡＮＡzNdGAaK9c1
4.Fe(CN)6 –4在Guanidinium ion的輔助下變成固體結晶。621Please respect copyright.ＰＥＮＡＮＡvtLGd3D4TW
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。621Please respect copyright.ＰＥＮＡＮＡ3sMF7bNW4t
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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。621Please respect copyright.ＰＥＮＡＮＡZwZL1NQSxb
621Please respect copyright.ＰＥＮＡＮＡt36nICaRdR
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。621Please respect copyright.ＰＥＮＡＮＡxxx3ZS0IIY
621Please respect copyright.ＰＥＮＡＮＡSEr3Wj5TSC
（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。621Please respect copyright.ＰＥＮＡＮＡeKeIUUguso
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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。621Please respect copyright.ＰＥＮＡＮＡu8TRamCPdh
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。621Please respect copyright.ＰＥＮＡＮＡNvRp9WYpE0
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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。621Please respect copyright.ＰＥＮＡＮＡhzRsct1YNU
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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/toc621Please respect copyright.ＰＥＮＡＮＡnrwauy2bHg
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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。621Please respect copyright.ＰＥＮＡＮＡ94GIUNfqIc
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Link:621Please respect copyright.ＰＥＮＡＮＡGnvsyhyc5X
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio621Please respect copyright.ＰＥＮＡＮＡt1C3zjtQKR
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。621Please respect copyright.ＰＥＮＡＮＡJ5NmOCGZyJ
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Ref1:https://science.sciencemag.org/content/early/2020/09/09/science.abd6749621Please respect copyright.ＰＥＮＡＮＡ1BCWd05BVm
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