{"id":679090,"date":"2024-09-26T23:49:53","date_gmt":"2024-09-26T22:49:53","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=679090"},"modified":"2024-09-26T23:49:53","modified_gmt":"2024-09-26T22:49:53","slug":"qua-trinh-truyen-nhiet-trong-pin-mat-troi-perovskite","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/qua-trinh-truyen-nhiet-trong-pin-mat-troi-perovskite\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite"},"content":{"rendered":"

Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite: T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0 qu\u1ea3n l\u00fd trong pin m\u1eb7t tr\u1eddi perovskite \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

\"Qu\u00e1<\/p>\n

Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite<\/h2>\n

Pin m\u1eb7t tr\u1eddi perovskite \u0111ang tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng lo\u1ea1i pin n\u0103ng l\u01b0\u1ee3ng m\u1edbi h\u1ea5p d\u1eabn nh\u1ea5t hi\u1ec7n nay, do hi\u1ec7u su\u1ea5t cao v\u00e0 chi ph\u00ed s\u1ea3n xu\u1ea5t th\u1ea5p. \u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a pin m\u1eb7t tr\u1eddi n\u00e0y, vi\u1ec7c hi\u1ec3u qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t b\u00ean trong l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

Truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite<\/h2>\n

Khi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o pin m\u1eb7t tr\u1eddi perovskite, m\u1ed9t ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n, m\u1ed9t ph\u1ea7n kh\u00e1c b\u1ecb bi\u1ebfn th\u00e0nh nhi\u1ec7t. C\u00f3 ba c\u01a1 ch\u1ebf ch\u00ednh \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite: d\u1eabn nhi\u1ec7t, \u0111\u1ed1i l\u01b0u v\u00e0 b\u1ee9c x\u1ea1.<\/p>\n

    \n
  1. D\u1eabn nhi\u1ec7t:<\/b> D\u1eabn nhi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t qua v\u1eadt li\u1ec7u t\u1eeb v\u00f9ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ebfn v\u00f9ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. Trong pin m\u1eb7t tr\u1eddi perovskite, qu\u00e1 tr\u00ecnh n\u00e0y x\u1ea3y ra t\u1eeb l\u1edbp h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng t\u1edbi l\u1edbp \u0111i\u1ec7n c\u1ef1c v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u1ee7a pin.<\/li>\n
  2. \u0110\u1ed1i l\u01b0u:<\/b> \u0110\u1ed1i l\u01b0u l\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t b\u1eb1ng s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Trong m\u00f4i tr\u01b0\u1eddng c\u1ee7a pin m\u1eb7t tr\u1eddi, \u0111\u1ed1i l\u01b0u kh\u00f4ng \u0111\u00f3ng vai tr\u00f2 l\u1edbn v\u00ec c\u00e1c l\u1edbp v\u1eadt li\u1ec7u th\u01b0\u1eddng l\u00e0 r\u1eafn.<\/li>\n
  3. B\u1ee9c x\u1ea1:<\/b> B\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t qua s\u00f3ng \u0111i\u1ec7n t\u1eeb. Trong pin m\u1eb7t tr\u1eddi perovskite, b\u1ee9c x\u1ea1 nhi\u1ec7t th\u01b0\u1eddng x\u1ea3y ra khi b\u1ec1 m\u1eb7t pin ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<\/ol>\n

    Hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t<\/h2>\n

    Hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a pin m\u1eb7t tr\u1eddi perovskite. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n gi\u00fap t\u00ednh to\u00e1n truy\u1ec1n nhi\u1ec7t trong c\u00e1c l\u1edbp kh\u00e1c nhau c\u1ee7a pin m\u1eb7t tr\u1eddi bao g\u1ed3m:<\/p>\n

    Ph\u01b0\u01a1ng tr\u00ecnh Fourier v\u1ec1 d\u1eabn nhi\u1ec7t:<\/b><\/p>\n

    \\( q = -k \\nabla T \\)<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

      \n
    • q: D\u00f2ng nhi\u1ec7t<\/li>\n
    • k: H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t<\/li>\n
    • \\(\\nabla T\\): Gradient nhi\u1ec7t \u0111\u1ed9<\/li>\n<\/ul>\n

      Ph\u01b0\u01a1ng tr\u00ecnh Stefan-Boltzmann v\u1ec1 b\u1ee9c x\u1ea1 nhi\u1ec7t:<\/b><\/p>\n

      \\( Q = \\sigma T^4 \\)<\/p>\n

      Trong \u0111\u00f3:<\/p>\n

        \n
      • Q: D\u00f2ng nhi\u1ec7t b\u1ee9c x\u1ea1<\/li>\n
      • \\(\\sigma\\): H\u1eb1ng s\u1ed1 Stefan-Boltzmann<\/li>\n
      • T: Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t<\/li>\n<\/ul>\n

        C\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t<\/h2>\n

        \u0110\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t pin m\u1eb7t tr\u1eddi perovskite, c\u1ea7n t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p sau:<\/p>\n

          \n
        • S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t cao \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 b\u00ean trong pin.<\/li>\n
        • T\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u v\u00e0 b\u1ee9c x\u1ea1.<\/li>\n
        • \u00c1p d\u1ee5ng c\u00e1c l\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 v\u00e0 t\u1ea3n nhi\u1ec7t \u1edf b\u1ec1 m\u1eb7t pin.<\/li>\n<\/ul>\n

          B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 v\u00e0 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t, hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi perovskite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e2ng cao, gi\u00fap ch\u00fang tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch.<\/p>\n","protected":false},"excerpt":{"rendered":"

          Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite: T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0 qu\u1ea3n l\u00fd trong pin m\u1eb7t tr\u1eddi perovskite \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nQu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite<\/title>\n<meta name=\"description\" content=\"Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin m\u1eb7t tr\u1eddi perovskite: T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0 qu\u1ea3n l\u00fd trong pin m\u1eb7t tr\u1eddi perovskite \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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