雪櫃、冷氣機、水煲等等各電器不時都會散發出熱力。655Please respect copyright.ＰＥＮＡＮＡiCg9EBmIca
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。655Please respect copyright.ＰＥＮＡＮＡ6NV4vx0DfH
655Please respect copyright.ＰＥＮＡＮＡaiAWiiDtHR
655Please respect copyright.ＰＥＮＡＮＡUbdm3ZvoSG
（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。655Please respect copyright.ＰＥＮＡＮＡyzJrC9y3Hi
655Please respect copyright.ＰＥＮＡＮＡiOC7dOSb4q
655Please respect copyright.ＰＥＮＡＮＡrRLfXtGakz
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。655Please respect copyright.ＰＥＮＡＮＡGB0mHHQ0E2
655Please respect copyright.ＰＥＮＡＮＡkaHMHFlkDV
（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。655Please respect copyright.ＰＥＮＡＮＡYwarXRglpO
655Please respect copyright.ＰＥＮＡＮＡO0VLQOS4yR
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。655Please respect copyright.ＰＥＮＡＮＡI849oCOhkV
655Please respect copyright.ＰＥＮＡＮＡg87KsejOe0
655Please respect copyright.ＰＥＮＡＮＡxBriMO2dLX
選用Fe(CN)6 –4的原因基於其兩種特質。655Please respect copyright.ＰＥＮＡＮＡFSmo7me4i2
655Please respect copyright.ＰＥＮＡＮＡikeqx7PlXO
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。655Please respect copyright.ＰＥＮＡＮＡI51DbZzgzA
655Please respect copyright.ＰＥＮＡＮＡhwL0m5q0a8
2.它遇熱的時候會放出電子並成為Fe(CN)6 –3。655Please respect copyright.ＰＥＮＡＮＡA8MEKYHgvB
655Please respect copyright.ＰＥＮＡＮＡCpRq14VFso
（圖4）以下就是利用熱力發電的精髓要點。655Please respect copyright.ＰＥＮＡＮＡJBJLBdeazV
655Please respect copyright.ＰＥＮＡＮＡtqRzYFj5wb
655Please respect copyright.ＰＥＮＡＮＡHc4c803Qws
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。655Please respect copyright.ＰＥＮＡＮＡ7p8KKfFIzW
655Please respect copyright.ＰＥＮＡＮＡShBq2Y9Fl0
2.電子在閉合電路走動，產生電流，讓燈泡發亮。655Please respect copyright.ＰＥＮＡＮＡYRw2w4D34E
655Please respect copyright.ＰＥＮＡＮＡ0JJTWkcV3n
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。655Please respect copyright.ＰＥＮＡＮＡTC2Vzmx049
655Please respect copyright.ＰＥＮＡＮＡFfbiOaeQ8K
4.Fe(CN)6 –4在Guanidinium ion的輔助下變成固體結晶。655Please respect copyright.ＰＥＮＡＮＡtSPIzTKzRk
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。655Please respect copyright.ＰＥＮＡＮＡjKMODSYo93
655Please respect copyright.ＰＥＮＡＮＡGnZgqNoz8U
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。655Please respect copyright.ＰＥＮＡＮＡAqKK6GajN7
655Please respect copyright.ＰＥＮＡＮＡszh4ymKmTb
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。655Please respect copyright.ＰＥＮＡＮＡflIIdMCPcy
655Please respect copyright.ＰＥＮＡＮＡ93s2omTU3y
（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。655Please respect copyright.ＰＥＮＡＮＡgLnp5K2niP
655Please respect copyright.ＰＥＮＡＮＡfwwBwR1uE0
655Please respect copyright.ＰＥＮＡＮＡXdU0Iwpb4r
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。655Please respect copyright.ＰＥＮＡＮＡ9AdArquQVu
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。655Please respect copyright.ＰＥＮＡＮＡWKfSW3cco2
655Please respect copyright.ＰＥＮＡＮＡS8U4FiAVhq
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。655Please respect copyright.ＰＥＮＡＮＡ5J0tbHE68G
655Please respect copyright.ＰＥＮＡＮＡNF4Pr1JgKw
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/toc655Please respect copyright.ＰＥＮＡＮＡPENbJQFWIH
655Please respect copyright.ＰＥＮＡＮＡkRNBbrlFBd
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。655Please respect copyright.ＰＥＮＡＮＡ9R9IdvQUUI
655Please respect copyright.ＰＥＮＡＮＡ3QF2GQu5OA
Link:655Please respect copyright.ＰＥＮＡＮＡGAp6ZMNocu
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio655Please respect copyright.ＰＥＮＡＮＡFbVHXvjavU
655Please respect copyright.ＰＥＮＡＮＡpv8TNogsHI
655Please respect copyright.ＰＥＮＡＮＡxKw7cMixHn
有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。655Please respect copyright.ＰＥＮＡＮＡgmPxAVCzxo
655Please respect copyright.ＰＥＮＡＮＡpVNwWuYdQl
Ref1:https://science.sciencemag.org/content/early/2020/09/09/science.abd6749655Please respect copyright.ＰＥＮＡＮＡJoU5JwgYQ7
Penana
search
登入arrow_drop_down
註冊arrow_drop_down
