{"id":692829,"date":"2024-11-19T02:27:48","date_gmt":"2024-11-19T01:27:48","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=692829"},"modified":"2024-11-19T02:27:48","modified_gmt":"2024-11-19T01:27:48","slug":"dong-vat-lieu-dan-nhiet-tuyet-voi-ung-dung-trong-dien","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-vat-lieu-dan-nhiet-tuyet-voi-ung-dung-trong-dien\/","title":{"rendered":"\u0110\u1ed3ng | V\u1eadt Li\u1ec7u D\u1eabn Nhi\u1ec7t Tuy\u1ec7t V\u1eddi, \u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n"},"content":{"rendered":"<p class=\"sidekick\">\u0110\u1ed3ng | T\u00ecm hi\u1ec3u v\u00ec sao \u0111\u1ed3ng l\u00e0 v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a n\u00f3 trong l\u0129nh v\u1ef1c \u0111i\u1ec7n, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_vat_lieu_dan_nhiet_tuyet_voi_ung_dung_trong_dien.png\" alt=\"\u0110\u1ed3ng | V\u1eadt Li\u1ec7u D\u1eabn Nhi\u1ec7t Tuy\u1ec7t V\u1eddi, \u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u0110\u1ed3ng | V\u1eadt Li\u1ec7u D\u1eabn Nhi\u1ec7t Tuy\u1ec7t V\u1eddi, \u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n<\/h2>\n<p>\u0110\u1ed3ng (Cu) l\u00e0 m\u1ed9t kim lo\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t d\u1eabn nhi\u1ec7t v\u00e0 d\u1eabn \u0111i\u1ec7n v\u01b0\u1ee3t tr\u1ed9i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u1eb7n k\u1ebd v\u1ec1 t\u00ednh ch\u1ea5t c\u1ee7a \u0111\u1ed3ng v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a n\u00f3.<\/p>\n<h2>1. T\u00ednh Ch\u1ea5t D\u1eabn Nhi\u1ec7t v\u00e0 D\u1eabn \u0110i\u1ec7n C\u1ee7a \u0110\u1ed3ng<\/h2>\n<p>\u0110\u1ed3ng n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t v\u00e0 d\u1eabn \u0111i\u1ec7n cao. T\u00ednh ch\u1ea5t n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb c\u1ea5u tr\u00fac nguy\u00ean t\u1eed c\u1ee7a n\u00f3:<\/p>\n<ul>\n<li>\u0110\u1ed3ng c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t (FCC), cho ph\u00e9p c\u00e1c electron di chuy\u1ec3n d\u1ec5 d\u00e0ng trong m\u1ea1ng tinh th\u1ec3.<\/li>\n<li>N\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m m\u1ea5t m\u1ed9t electron t\u1eeb nguy\u00ean t\u1eed \u0111\u1ed3ng (\u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng) l\u00e0 r\u1ea5t th\u1ea5p.<\/li>\n<\/ul>\n<p>Ch\u1ec9 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a \u0111\u1ed3ng l\u00e0 kho\u1ea3ng 401 W\/m\u00b7K (watt tr\u00ean m\u00e9t kelvin), l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t t\u1ed1t nh\u1ea5t. V\u1ec1 d\u1eabn \u0111i\u1ec7n, \u0111\u1ed3ng ch\u1ec9 \u0111\u1ee9ng sau b\u1ea1c v\u1edbi \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n kho\u1ea3ng 5.8 x 10^7 S\/m (siemens tr\u00ean m\u00e9t).<\/p>\n<h2>2. \u1ee8ng D\u1ee5ng C\u1ee7a \u0110\u1ed3ng Trong \u0110i\u1ec7n<\/h2>\n<p>V\u1edbi nh\u1eefng t\u00ednh ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i tr\u00ean, \u0111\u1ed3ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed:<\/p>\n<ul>\n<li><strong>D\u00e2y d\u1eabn \u0111i\u1ec7n:<\/strong> \u0110\u1ed3ng l\u00e0 v\u1eadt li\u1ec7u ch\u00ednh trong s\u1ea3n xu\u1ea5t d\u00e2y d\u1eabn \u0111i\u1ec7n v\u00ec kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n cao v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc t\u1ed1t. C\u00e1c d\u00e2y d\u1eabn \u0111i\u1ec7n t\u1eeb \u0111\u1ed3ng \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng cao v\u00e0 \u00edt t\u1ed5n hao n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u0111i\u1ec7n:<\/strong> \u0110\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c linh ki\u1ec7n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n nh\u01b0 m\u00e1y bi\u1ebfn \u00e1p, \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, v\u00e0 b\u1ed9 ph\u1eadn ti\u1ebfp x\u00fac.<\/li>\n<li><strong>Bo m\u1ea1ch \u0111i\u1ec7n t\u1eed:<\/strong> Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed, c\u00e1c m\u1ea1ch in (PCB) th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ed3ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n nh\u1eb1m k\u1ebft n\u1ed1i c\u00e1c linh ki\u1ec7n v\u1edbi nhau.<\/li>\n<\/ul>\n<h2>3. C\u00e1c \u1ee8ng D\u1ee5ng Kh\u00e1c<\/h2>\n<p>Kh\u00f4ng ch\u1ec9 trong ng\u00e0nh \u0111i\u1ec7n, \u0111\u1ed3ng c\u00f2n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nh\u1edd t\u00ednh d\u1eabn nhi\u1ec7t t\u1ed1t:<\/p>\n<ul>\n<li><strong>Thi\u1ebft b\u1ecb nhi\u1ec7t:<\/strong> C\u00e1c b\u1ed9 t\u1ea3n nhi\u1ec7t v\u00e0 \u1ed1ng d\u1eabn nhi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb \u0111\u1ed3ng.<\/li>\n<li><strong>Ng\u00e0nh x\u00e2y d\u1ef1ng:<\/strong> \u0110\u1ed3ng c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc v\u00e0 c\u00e1c h\u1ea1ng m\u1ee5c x\u00e2y d\u1ef1ng kh\u00e1c do t\u00ednh ch\u1ed1ng \u0103n m\u00f2n cao.<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>\u0110\u1ed3ng l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1edd nh\u1eefng t\u00ednh ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 d\u1eabn nhi\u1ec7t v\u00e0 d\u1eabn \u0111i\u1ec7n. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 \u1ee9ng d\u1ee5ng \u0111\u1ed3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u00f3ng g\u00f3p v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 ti\u00ean ti\u1ebfn c\u1ee7a c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed3ng | T\u00ecm hi\u1ec3u v\u00ec sao \u0111\u1ed3ng l\u00e0 v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a n\u00f3 trong l\u0129nh v\u1ef1c \u0111i\u1ec7n, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/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":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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