{"id":679568,"date":"2024-11-25T16:47:15","date_gmt":"2024-11-25T15:47:15","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=679568"},"modified":"2024-11-25T16:47:15","modified_gmt":"2024-11-25T15:47:15","slug":"anh-huong-cua-nhiet-do-den-hieu-qua-hoat-dong-cua-pin-mat-troi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/anh-huong-cua-nhiet-do-den-hieu-qua-hoat-dong-cua-pin-mat-troi\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi"},"content":{"rendered":"<p class=\"sidekick\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi: T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng l\u00ean kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a pin m\u1eb7t tr\u1eddi.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/anh_huong_cua_nhiet_do_den_hieu_qua_hoat_dong_cua_pin_mat_troi.png\" alt=\"\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi<\/h2>\n<p>Pin m\u1eb7t tr\u1eddi (hay c\u00f2n g\u1ecdi l\u00e0 t\u1ea5m n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi) l\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u00e0nh \u0111i\u1ec7n n\u0103ng. Hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, trong \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng. Nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a pin m\u1eb7t tr\u1eddi.<\/p>\n<h2>Hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i<\/h2>\n<p>Hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i c\u1ee7a pin m\u1eb7t tr\u1eddi th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng t\u1ef7 l\u1ec7 gi\u1eefa \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o thi\u1ebft b\u1ecb. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, hi\u1ec7u su\u1ea5t n\u00e0y th\u01b0\u1eddng gi\u1ea3m. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra v\u00ec nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m t\u0103ng \u0111i\u1ec7n tr\u1edf trong c\u00e1c v\u1eadt li\u1ec7u b\u00e1n d\u1eabn c\u1ee7a pin m\u1eb7t tr\u1eddi, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t \u0111i\u1ec7n n\u0103ng trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng, hi\u1ec7u su\u1ea5t c\u1ee7a pin m\u1eb7t tr\u1eddi gi\u1ea3m kho\u1ea3ng 0.4% \u0111\u1ebfn 0.5% cho m\u1ed7i \u0111\u1ed9 C t\u0103ng th\u00eam. C\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t m\u1edbi khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 sau:<\/p>\n<p>\\[ \\eta_{new} = \\eta_{stc} \\times (1 &#8211; \\beta (T_{new} &#8211; T_{stc})) \\]\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(\\eta_{new}\\): Hi\u1ec7u su\u1ea5t m\u1edbi<\/li>\n<li>\\(\\eta_{stc}\\): Hi\u1ec7u su\u1ea5t t\u1ea1i \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n (Standard Test Conditions &#8211; STC)<\/li>\n<li>\\(\\beta\\): H\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 (th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 0.004 \u0111\u1ebfn 0.005 \u00b0C<sup>-1<\/sup>)<\/li>\n<li>\\(T_{new}\\): Nhi\u1ec7t \u0111\u1ed9 m\u1edbi<\/li>\n<li>\\(T_{stc}\\): Nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n (th\u01b0\u1eddng l\u00e0 25\u00b0C)<\/li>\n<\/ul>\n<h2>Tu\u1ed5i th\u1ecd c\u1ee7a pin m\u1eb7t tr\u1eddi<\/h2>\n<p>Nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t m\u00e0 c\u00f2n t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a pin m\u1eb7t tr\u1eddi. Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra t\u1ed5n h\u1ea1i cho c\u00e1c v\u1eadt li\u1ec7u b\u00ean trong pin, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 g\u00e2y t\u1ed5n th\u01b0\u01a1ng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng &#8220;thermal cycling&#8221; (qu\u00e1 tr\u00ecnh t\u0103ng gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 li\u00ean t\u1ee5c), g\u00e2y ra s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u, d\u1eabn \u0111\u1ebfn vi\u1ec7c n\u1ee9t v\u1ee1 v\u00e0 h\u01b0 h\u1ecfng trong c\u1ea5u tr\u00fac c\u1ee7a t\u1ea5m pin.<\/p>\n<h2>Gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t \u0111\u1ed9<\/h2>\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a pin m\u1eb7t tr\u1eddi, m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng:<\/p>\n<ol>\n<li><strong>T\u0103ng c\u01b0\u1eddng th\u00f4ng gi\u00f3:<\/strong> C\u00e0i \u0111\u1eb7t pin m\u1eb7t tr\u1eddi sao cho kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 l\u01b0u th\u00f4ng d\u1ec5 d\u00e0ng xung quanh, gi\u00fap l\u00e0m m\u00e1t c\u00e1c t\u1ea5m pin hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t:<\/strong> Ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u b\u00e1n d\u1eabn c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n.<\/li>\n<li><strong>L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t:<\/strong> S\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t nh\u01b0 t\u1ea5m l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc ho\u1eb7c kh\u00f4ng kh\u00ed \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin m\u1eb7t tr\u1eddi.<\/li>\n<\/ol>\n<p>Hi\u1ec3u r\u00f5 v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi pin m\u1eb7t tr\u1eddi l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt th\u00edch h\u1ee3p, ch\u00fang ta c\u00f3 th\u1ec3 khai th\u00e1c t\u1ed1i \u0111a hi\u1ec7u su\u1ea5t c\u1ee7a pin m\u1eb7t tr\u1eddi v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin m\u1eb7t tr\u1eddi: T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng l\u00ean kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a pin m\u1eb7t tr\u1eddi.<\/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 - 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