{"id":672836,"date":"2024-10-24T03:09:40","date_gmt":"2024-10-24T02:09:40","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=672836"},"modified":"2024-10-24T03:09:40","modified_gmt":"2024-10-24T02:09:40","slug":"vat-lieu-luu-tru-nang-luong-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-luu-tru-nang-luong-nhiet\/","title":{"rendered":"V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t gi\u00fap duy tr\u00ec v\u00e0 khai th\u00e1c nhi\u1ec7t hi\u1ec7u qu\u1ea3, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c \u1ee9ng d\u1ee5ng gia d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_luu_tru_nang_luong_nhiet.png\" alt=\"V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, v\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t khi c\u1ea7n thi\u1ebft, g\u00f3p ph\u1ea7n gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng h\u00f3a th\u1ea1ch v\u00e0 gi\u1ea3m ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh.<\/p>\n<h2>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<ul>\n<li><b>V\u1eadt li\u1ec7u bi\u1ebfn \u0111\u1ed5i pha (PCM &#8211; Phase Change Material):<\/b> PCM l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng th\u00f4ng qua qu\u00e1 tr\u00ecnh chuy\u1ec3n pha, v\u00ed d\u1ee5 nh\u01b0 t\u1eeb r\u1eafn sang l\u1ecfng. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng l\u1edbn, l\u00e0m cho PCM tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. M\u1ed9t v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn c\u1ee7a PCM l\u00e0 parafin.<\/li>\n<li><b>V\u1eadt li\u1ec7u nh\u1ea1y nhi\u1ec7t (Thermochemical Material &#8211; TCM):<\/b> TCM l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng th\u00f4ng qua c\u00e1c ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 mu\u1ed1i hidrat v\u00e0 oxit kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong lo\u1ea1i n\u00e0y.<\/li>\n<li><b>V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng tr\u00ean c\u01a1 s\u1edf nhi\u1ec7t dung (Sensible Heat Storage Materials):<\/b> Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u00ednh ch\u00fang m\u00e0 kh\u00f4ng thay \u0111\u1ed5i pha. C\u00e1c v\u00ed d\u1ee5 bao g\u1ed3m n\u01b0\u1edbc, \u0111\u00e1 v\u00e0 d\u1ea7u nhi\u1ec7t.<\/li>\n<\/ul>\n<h2>T\u00ednh n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng c\u1ee7a v\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t bao g\u1ed3m:<\/p>\n<ul>\n<li><b>\u0110\u1ed9 dung nhi\u1ec7t cao:<\/b> Kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef m\u1ed9t l\u01b0\u1ee3ng l\u1edbn n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t.<\/li>\n<li><b>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh:<\/b> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i m\u00e0 kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y.<\/li>\n<li><b>Hi\u1ec7u su\u1ea5t l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng cao:<\/b> Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n<li><b>Chi ph\u00ed h\u1ee3p l\u00fd:<\/b> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<p>V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, bao g\u1ed3m:<\/p>\n<ol>\n<li><b>H\u1ec7 th\u1ed1ng s\u01b0\u1edfi v\u00e0 l\u00e0m m\u00e1t:<\/b> S\u1eed d\u1ee5ng trong c\u00e1c t\u00f2a nh\u00e0 v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><b>\u0110i\u1ec7n m\u1eb7t tr\u1eddi:<\/b> L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u1eeb m\u1eb7t tr\u1eddi d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng khi kh\u00f4ng c\u00f3 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi.<\/li>\n<li><b>Truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i nhi\u1ec7t:<\/b> Gi\u00fap c\u00e2n b\u1eb1ng cung v\u00e0 c\u1ea7u n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/li>\n<\/ol>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111ang m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i m\u1edbi trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7, ch\u00fang ta c\u00f3 th\u1ec3 k\u1ef3 v\u1ecdng v\u00e0o nh\u1eefng gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn h\u01a1n trong t\u01b0\u01a1ng lai g\u1ea7n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t gi\u00fap duy tr\u00ec v\u00e0 khai th\u00e1c nhi\u1ec7t hi\u1ec7u qu\u1ea3, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c \u1ee9ng d\u1ee5ng gia d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p.<\/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\/ -->\n<title>V\u1eadt li\u1ec7u l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng 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