{"id":701257,"date":"2024-08-07T06:06:33","date_gmt":"2024-08-07T05:06:33","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=701257"},"modified":"2024-08-07T06:06:33","modified_gmt":"2024-08-07T05:06:33","slug":"may-phat-nhiet-dien-suc-manh-cac-bien-the-seebeck","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/may-phat-nhiet-dien-suc-manh-cac-bien-the-seebeck\/","title":{"rendered":"M\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n | S\u1ee9c M\u1ea1nh & C\u00e1c Bi\u1ebfn Th\u1ec3 Seebeck"},"content":{"rendered":"

M\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n | S\u1ee9c M\u1ea1nh & C\u00e1c Bi\u1ebfn Th\u1ec3 Seebeck: T\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a hi\u1ec7u \u1ee9ng Seebeck.<\/p>\n

\"M\u00e1y<\/p>\n

M\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n | S\u1ee9c M\u1ea1nh & C\u00e1c Bi\u1ebfn Th\u1ec3 Seebeck<\/h2>\n

M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng nguy\u00ean l\u00fd hi\u1ec7u \u1ee9ng Seebeck \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng. Hi\u1ec7u \u1ee9ng Seebeck \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi Thomas Johann Seebeck v\u00e0o n\u0103m 1821 v\u00e0 l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n, trong \u0111\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n ho\u1eb7c b\u00e1n d\u1eabn kh\u00e1c nhau s\u1ebd t\u1ea1o ra m\u1ed9t hi\u1ec7u \u0111i\u1ec7n \u0111\u1ed9ng.<\/p>\n

S\u1ee9c M\u1ea1nh C\u1ee7a M\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n<\/h2>\n

S\u1ee9c m\u1ea1nh c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng b\u1eb1ng hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u00e0 h\u1ec7 s\u1ed1 Seebeck (S). H\u1ec7 s\u1ed1 Seebeck \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 s\u1ed1 gi\u1eefa \u0111i\u1ec7n \u00e1p t\u1ea1o ra (V) v\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (\u0394T) tr\u00ean hai \u0111\u1ea7u c\u1ee7a v\u1eadt li\u1ec7u:<\/p>\n

S<\/sup> = \\(\\frac{\\Delta V}{\\Delta T}\\)<\/p>\n

Hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n (\u03c3) v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t (\u03ba) c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a m\u00e1y ph\u00e1t, ta c\u1ea7n v\u1eadt li\u1ec7u c\u00f3 h\u1ec7 s\u1ed1 Seebeck cao, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t n\u0103ng kh\u00f4ng b\u1ecb th\u1ea5t tho\u00e1t qu\u00e1 nhi\u1ec1u.<\/p>\n

C\u00e1c Bi\u1ebfn Th\u1ec3 Hi\u1ec7u \u1ee8ng Seebeck<\/h2>\n

Hi\u1ec7u \u1ee9ng Seebeck c\u00f3 nhi\u1ec1u bi\u1ebfn th\u1ec3 kh\u00e1c nhau, \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n:<\/p>\n

<\/p>\n

  • Ch\u1ea5t B\u00e1n D\u1eabn:<\/strong> \u0110\u00e2y l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n. C\u00e1c ch\u1ea5t b\u00e1n d\u1eabn nh\u01b0 bismuth telluride (Bi2<\/sub>Te3<\/sub>) c\u00f3 h\u1ec7 s\u1ed1 Seebeck cao v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i.<\/li>\n
  • Ch\u1ea5t H\u1eefu C\u01a1:<\/strong> C\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 nh\u01b0 polyaniline c\u0169ng \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u0111\u1ec3 \u1ee9ng d\u1ee5ng trong m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 l\u1ee3i th\u1ebf v\u00ec nh\u1eb9 v\u00e0 d\u1ec5 ch\u1ebf t\u1ea1o.<\/li>\n
  • V\u1eadt Li\u1ec7u Nano:<\/strong> V\u1eadt li\u1ec7u nano nh\u01b0 c\u00e1c \u1ed1ng nano carbon ho\u1eb7c d\u00e2y nano \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec ch\u00fang c\u00f3 th\u1ec3 c\u00f3 h\u1ec7 s\u1ed1 Seebeck cao v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9c \u0111\u00e1o.<\/li>\n

    <\/o1><\/p>\n

    \u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n

    M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n

    <\/p>\n

  • Thu h\u1ed3i n\u0103ng l\u01b0\u1ee3ng:<\/strong> M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu h\u1ed3i n\u0103ng l\u01b0\u1ee3ng t\u1eeb nhi\u1ec7t th\u1ea3i, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1eeb c\u00e1c \u1ed1ng kh\u00f3i nh\u00e0 m\u00e1y ho\u1eb7c c\u00e1c \u0111\u1ed9ng c\u01a1 xe h\u01a1i.<\/li>\n
  • C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9:<\/strong> C\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng Seebeck \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n ngo\u00e0i.<\/li>\n
  • Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng di \u0111\u1ed9ng:<\/strong> M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n nh\u1ecf g\u1ecdn c\u00f3 th\u1ec3 cung c\u1ea5p \u0111i\u1ec7n cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng t\u1ea1i nh\u1eefng n\u01a1i kh\u00f3 ho\u1eb7c kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn \u0111i\u1ec7n l\u01b0\u1edbi.<\/li>\n

    <\/u1><\/p>\n

    T\u00f3m l\u1ea1i, m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n v\u00e0 hi\u1ec7u \u1ee9ng Seebeck mang l\u1ea1i nhi\u1ec1u ti\u1ec1m n\u0103ng trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u, m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n ng\u00e0y c\u00e0ng tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

    M\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n | S\u1ee9c M\u1ea1nh & C\u00e1c Bi\u1ebfn Th\u1ec3 Seebeck: T\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a hi\u1ec7u \u1ee9ng Seebeck.<\/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":"\nM\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n | S\u1ee9c M\u1ea1nh & C\u00e1c Bi\u1ebfn Th\u1ec3 Seebeck<\/title>\n<meta name=\"description\" content=\"M\u00e1y Ph\u00e1t Nhi\u1ec7t \u0110i\u1ec7n | S\u1ee9c M\u1ea1nh & C\u00e1c Bi\u1ebfn Th\u1ec3 Seebeck: T\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a hi\u1ec7u \u1ee9ng 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