{"id":130989,"date":"2024-02-23T14:11:30","date_gmt":"2024-02-23T06:11:30","guid":{"rendered":"https:\/\/www.alpapowder.com\/130989\/"},"modified":"2024-02-23T14:11:31","modified_gmt":"2024-02-23T06:11:31","slug":"cac-yeu-cau-doi-voi-vat-lieu-giao-dien-nhiet-trong-cac-linh-vuc-ung-dung-pho-bien-la-gi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130989\/","title":{"rendered":"C\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t trong c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn l\u00e0 g\u00ec?"},"content":{"rendered":"

\"\"<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a quang \u0111i\u1ec7n, xe \u0111i\u1ec7n, th\u00f4ng tin li\u00ean l\u1ea1c 5G v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed di \u0111\u1ed9ng \u0111\u00e3 \u0111\u1eb7t ra y\u00eau c\u1ea7u ng\u00e0y c\u00e0ng cao h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb. V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t l\u00e0 v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee7 r\u1ed9ng r\u00e3i tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m n\u00f3ng (\u1ed1ng \u0111i\u1ec7n, thyristor, c\u1ecdc s\u01b0\u1edfi \u0111i\u1ec7n, v.v.) v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t (t\u1ea3n nhi\u1ec7t, t\u1ea3n nhi\u1ec7t, v.v.) trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed kh\u00e1c nhau, pin \u0111i\u1ec7n, v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/p>\n

1. Pin n\u0103ng l\u01b0\u1ee3ng m\u1edbi<\/p>\n

L\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng ch\u00ednh c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1edbi, pin \u0111i\u1ec7n c\u1ea7n b\u1ed1 tr\u00ed c\u00e0ng nhi\u1ec1u pin c\u00e0ng t\u1ed1t trong m\u1ed9t kh\u00f4ng gian nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 t\u0103ng ph\u1ea1m vi di chuy\u1ec3n c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn kh\u00f4ng gian t\u1ea3n nhi\u1ec7t r\u1ea5t h\u1ea1n ch\u1ebf trong pin ngu\u1ed3n. Khi xe \u0111ang ch\u1ea1y, nhi\u1ec7t l\u01b0\u1ee3ng do c\u00e1c t\u1ebf b\u00e0o \u1eafc quy t\u1ea1o ra Nhi\u1ec7t s\u1ebd t\u00edch t\u1ee5 d\u1ea7n trong m\u1ed9t kh\u00f4ng gian t\u1ea3n nhi\u1ec7t nh\u1ecf, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a \u1eafc quy v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u1eafc quy; tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng s\u1ebd g\u00e2y tho\u00e1t nhi\u1ec7t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng. V\u00ec v\u1eady, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng keo d\u00e1n b\u1ea7u d\u1eabn nhi\u1ec7t c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 k\u1ebft d\u00ednh gi\u1eefa c\u00e1c cell pin, c\u0169ng nh\u01b0 gi\u1eefa to\u00e0n b\u1ed9 nh\u00f3m m\u00f4-\u0111un pin v\u00e0 t\u1ea5m t\u1ea3n nhi\u1ec7t. Do pin n\u0103ng l\u01b0\u1ee3ng m\u1edbi, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u c\u1ee7a pin \u0111i\u1ec7n r\u1ea5t h\u1eb9p, th\u01b0\u1eddng t\u1eeb 20-40\u00b0C \u0111\u1ebfn d\u01b0\u1edbi 65\u00b0C. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n khi v\u1eadn h\u00e0nh xe v\u00e0 hi\u1ec7u su\u1ea5t pin t\u1ed1i \u01b0u, n\u00f3i chung c\u1ea7n ph\u1ea3i c\u00f3 keo d\u1eabn nhi\u1ec7t. \u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a keo b\u1ea7u \u0111\u1ea1t tr\u00ean 3W\/(m\u00b7K).<\/p>\n

2. Bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n<\/p>\n

N\u00f3i chung, \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n y\u00eau c\u1ea7u kh\u00f4ng nh\u1ecf h\u01a1n 2,0W\/mK v\u00e0 \u0111i\u1ec7n \u00e1p ch\u1ecbu \u0111\u01b0\u1ee3c kh\u00f4ng nh\u1ecf h\u01a1n 5kV\/mm. \u0110\u1ed3ng th\u1eddi, \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ea3ng m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c linh ki\u1ec7n kh\u1ecfi t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i v\u00e0 l\u1ef1c c\u01a1 h\u1ecdc, b\u1ea3o v\u1ec7 s\u1ef1 an to\u00e0n, \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ch \u0111i\u1ec7n th\u00ec keo b\u1ea7u d\u1eabn nhi\u1ec7t d\u00f9ng trong bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n c\u0169ng b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ed9ng \u0111\u1ea5t nh\u1ea5t \u0111\u1ecbnh, ch\u1ed1ng va \u0111\u1eadp, ch\u1ed1ng b\u1ee5i, ch\u1ed1ng tia c\u1ef1c t\u00edm, ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 ch\u1ed1ng \u1ea9m, c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c. Ngo\u00e0i ra, do tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n th\u01b0\u1eddng kho\u1ea3ng 20 n\u0103m n\u00ean y\u00eau c\u1ea7u v\u1ec1 tu\u1ed5i th\u1ecd c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ed9 bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i cao, th\u01b0\u1eddng l\u00e0 h\u01a1n 8 n\u0103m.<\/p>\n

3. Tr\u1ea1m g\u1ed1c 5G<\/p>\n

Tr\u1ea1m g\u1ed1c l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb t\u1ea3n nhi\u1ec7t t\u1ef1 nhi\u00ean kh\u00e9p k\u00edn \u0111i\u1ec3n h\u00ecnh. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea3n nhi\u1ec7t c\u1ee7a n\u00f3 l\u00e0 cho ph\u00e9p nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0o v\u1ecf tr\u01b0\u1edbc, sau \u0111\u00f3 d\u1eabn t\u1eeb v\u1ecf ra kh\u00f4ng kh\u00ed. Xem x\u00e9t \u0111\u1eb7c t\u00ednh x\u1eed l\u00fd c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed trong tr\u1ea1m g\u1ed1c 5G, c\u00f4ng ngh\u1ec7 ph\u00e2n ph\u1ed1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng nh\u1eb1m n\u00e2ng cao hi\u1ec7u qu\u1ea3 t\u1ef1 \u0111\u1ed9ng h\u00f3a. Do \u0111\u00f3, ch\u1ea5t k\u1ebft d\u00ednh d\u1eabn nhi\u1ec7t c\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u1edf tr\u1ea1ng th\u00e1i gel v\u1edbi \u1ee9ng su\u1ea5t th\u1ea5p v\u00e0 m\u00f4 \u0111un n\u00e9n cao.<\/p>\n

4. \u0110\u00f3ng g\u00f3i chip, t\u1ea3n nhi\u1ec7t<\/p>\n

M\u1ee1 silicon<\/a> d\u1eabn nhi\u1ec7t c\u00f3 \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn t\u1ed1t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u0111\u1ea7y gi\u1eefa chip v\u00e0 v\u1ecf bao b\u00ec, v\u1ecf bao b\u00ec v\u00e0 t\u1ea3n nhi\u1ec7t. Do nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a chip th\u01b0\u1eddng \u0111\u1ea1t t\u1edbi 60-70\u00b0C n\u00ean v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong chip c\u00f3 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 d\u1eabn nhi\u1ec7t r\u1ea5t cao. Cao, c\u1ea7n ph\u1ea3i tr\u00ean 5 W\u00b7(m\u00b7K) v\u00e0 y\u00eau c\u1ea7u c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 b\u1ea3n nh\u01b0 \u0111\u1ed9 d\u00e0y l\u1edbp d\u00ednh th\u1ea5p, \u0111\u1ed9 linh ho\u1ea1t cao, \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t ti\u1ebfp x\u00fac th\u1ea5p v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u00edch h\u1ee3p.<\/p>\n

S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng m\u1edbi n\u1ed5i \u0111\u00e3 \u0111\u1eb7t ra c\u00e1c y\u00eau c\u1ea7u \u0111a d\u1ea1ng h\u01a1n \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t, kh\u00f4ng c\u00f2n gi\u1edbi h\u1ea1n \u1edf vi\u1ec7c c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1eabn nhi\u1ec7t m\u00e0 \u0111ang ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng \u0111a ch\u1ee9c n\u0103ng, bao g\u1ed3m \u0111i\u1ec7n m\u00f4i, c\u00e1ch nhi\u1ec7t, hi\u1ec7u su\u1ea5t cao. v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c, nh\u1eb1m th\u00edch \u1ee9ng t\u1ed1t h\u01a1n v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 v\u00e0 \u0111\u1ed5i m\u1edbi trong c\u00e1c ng\u00e0nh li\u00ean quan.<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a quang \u0111i\u1ec7n, xe \u0111i\u1ec7n, th\u00f4ng tin li\u00ean l\u1ea1c 5G v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed di \u0111\u1ed9ng \u0111\u00e3 \u0111\u1eb7t ra y\u00eau c\u1ea7u ng\u00e0y c\u00e0ng cao h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n","protected":false},"author":7,"featured_media":130954,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130989","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=130989"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130989\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/130954"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}