{"id":131059,"date":"2024-03-01T13:59:36","date_gmt":"2024-03-01T05:59:36","guid":{"rendered":"https:\/\/www.alpapowder.com\/131059\/"},"modified":"2024-03-01T13:59:37","modified_gmt":"2024-03-01T05:59:37","slug":"ung-dung-cua-graphene-trong-linh-vuc-dan-nhiet-la-gi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/131059\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a graphene trong l\u0129nh v\u1ef1c d\u1eabn nhi\u1ec7t l\u00e0 g\u00ec?"},"content":{"rendered":"

\"\"<\/p>\n

Hi\u1ec7n nay, v\u1edbi vi\u1ec7c kh\u00f4ng ng\u1eebng nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n, \u1ee9ng d\u1ee5ng graphene trong l\u0129nh v\u1ef1c d\u1eabn nhi\u1ec7t \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebft qu\u1ea3 \u0111\u00e1ng ch\u00fa \u00fd, bao g\u1ed3m vi\u1ec7c h\u00ecnh th\u00e0nh m\u00e0ng graphene th\u00f4ng qua li\u00ean k\u1ebft h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c t\u1ea5m, l\u00e0m ch\u1ea5t \u0111\u1ed9n trong v\u1eadt li\u1ec7u composite d\u1eabn nhi\u1ec7t v\u00e0 l\u1edbp ph\u1ee7 d\u1eabn nhi\u1ec7t, v\u00e0 \u0111i\u1ec1u ch\u1ebf graphene. V\u1eadt li\u1ec7u d\u1ec7t ch\u1ee9c n\u0103ng m\u1edbi s\u1ee3i Polyethylene, v.v.<\/p>\n

1. Phim nhi\u1ec7t graphene
\nM\u00e0ng than ch\u00ec nh\u00e2n t\u1ea1o t\u1eeb l\u00e2u \u0111\u00e3 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng nh\u1ea5t cho m\u00e0ng d\u1eabn nhi\u1ec7t. N\u00f3 th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t b\u1ed9 t\u1ea3n nhi\u1ec7t trong c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed d\u1ec5 d\u00e0ng t\u1ea1o ra nhi\u1ec7t \u0111\u1ec3 ph\u00e2n t\u00e1n \u0111\u1ec1u nhi\u1ec7t do ngu\u1ed3n nhi\u1ec7t t\u1ea1o ra. Tuy nhi\u00ean, do m\u00e0ng than ch\u00ec c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt cacbon h\u00f3a-graphit h\u00f3a m\u00e0ng PI, \u0111\u00f2i h\u1ecfi m\u00e0ng polyimide ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0m nguy\u00ean li\u1ec7u th\u00f4, \u0111\u1ed3ng th\u1eddi vi\u1ec7c nghi\u00ean c\u1ee9u, ph\u00e1t tri\u1ec3n v\u00e0 s\u1ea3n xu\u1ea5t n\u00f3 c\u00f3 r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt cao, n\u00ean ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 lu\u00f4n hy v\u1ecdng C\u00f3 th\u1ec3 t\u00ecm ra c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00e1c \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 nguy\u00ean li\u1ec7u th\u00f4 b\u1ecb c\u00f4ng ngh\u1ec7 c\u1ea3n tr\u1edf, v\u00e0 m\u00e0ng d\u1eabn nhi\u1ec7t graphene l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf l\u00fd t\u01b0\u1edfng.<\/p>\n

2. Ch\u1ea5t \u0111\u1ed9n d\u1eabn nhi\u1ec7t
\nL\u00e0 ch\u1ea5t \u0111\u1ed9n d\u1eabn nhi\u1ec7t hai chi\u1ec1u, graphene d\u1ec5 h\u00ecnh th\u00e0nh m\u1ea1ng d\u1eabn nhi\u1ec7t h\u01a1n ch\u1ea5t \u0111\u1ed9n d\u1ea1ng h\u1ea1t v\u00e0 c\u00f3 tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng t\u1ed1t trong v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t v\u00e0 l\u1edbp ph\u1ee7 d\u1eabn nhi\u1ec7t.<\/p>\n

M\u1ed9t. L\u00e0 v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t, ch\u1ea5t \u0111\u1ed9n d\u1eabn nhi\u1ec7t<\/p>\n

So v\u1edbi c\u00e1c ch\u1ea5t \u0111\u1ed9n d\u1eabn nhi\u1ec7t d\u1ea1ng h\u1ea1t truy\u1ec1n th\u1ed1ng, ch\u1ea5t \u0111\u1ed9n d\u1eabn nhi\u1ec7t s\u1eed d\u1ee5ng graphene l\u00e0m v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t trong m\u1eb7t ph\u1eb3ng c\u1ef1c cao m\u00e0 t\u1ef7 l\u1ec7 \u0111\u01b0\u1eddng k\u00ednh tr\u00ean \u0111\u1ed9 d\u00e0y l\u1edbn c\u1ee7a n\u00f3 c\u0169ng thu\u1eadn l\u1ee3i h\u01a1n cho vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t kh\u1ed1i m\u1ea1ng d\u1eabn nhi\u1ec7t ba chi\u1ec1u. N\u00f3 c\u00f3 l\u1ee3i th\u1ebf m\u1ea1nh m\u1ebd trong vi\u1ec7c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ea5t \u0111\u1ed9n c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t.<\/p>\n

b. L\u00e0 ch\u1ea5t \u0111\u1ed9n cho l\u1edbp ph\u1ee7 t\u1ea3n nhi\u1ec7t<\/p>\n

V\u1ea5n \u0111\u1ec1 t\u1ea3n nhi\u1ec7t l\u00e0 m\u1ed9t tr\u1edf ng\u1ea1i l\u1edbn h\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u1eb9, hi\u1ec7u su\u1ea5t cao. L\u00e0 m\u1ed9t l\u1edbp ph\u1ee7 c\u00f4ng nghi\u1ec7p \u0111\u1eb7c bi\u1ec7t, l\u1edbp ph\u1ee7 t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 t\u1ea3n nhi\u1ec7t c\u1ee7a b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3 b\u1eb1ng c\u00e1ch t\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i c\u1ee7a b\u1ec1 m\u1eb7t ngu\u1ed3n nhi\u1ec7t v\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u00e1p \u1ee9ng nhu c\u1ea7u t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 c\u1ee7a thi\u1ebft b\u1ecb d\u00f9 c\u00f3 h\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian v\u00e0 k\u00edch th\u01b0\u1edbc.<\/p>\n

3. V\u1ea3i d\u1ec7t ch\u1ee9c n\u0103ng s\u1ee3i graphene d\u1eabn nhi\u1ec7t cao
\nS\u1ee3i graphene d\u1eabn nhi\u1ec7t cao l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u s\u1ee3i carbon m\u1edbi bao g\u1ed3m c\u00e1c \u0111\u01a1n v\u1ecb graphene \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p v\u00e0 s\u1eafp x\u1ebfp m\u1ed9t c\u00e1ch c\u00f3 tr\u1eadt t\u1ef1. N\u00f3 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p m\u1ed9t c\u00e1ch c\u00f3 tr\u1eadt t\u1ef1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1n oxit graphene ho\u1eb7c ph\u00e2n t\u00e1n graphene \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng h\u00f3a th\u00f4ng qua k\u00e9o s\u1ee3i \u01b0\u1edbt. . \u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 \u0111\u1ed3ng th\u1eddi c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1, \u0111i\u1ec7n v\u00e0 nhi\u1ec7t t\u1ed1t, c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 d\u1ec7t \u0111\u1ec3 s\u1ea3n xu\u1ea5t h\u00e0ng d\u1ec7t ch\u1ee9c n\u0103ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn th\u00f4ng qua k\u00e9o s\u1ee3i \u01b0\u1edbt.<\/p>\n

Hi\u1ec7n nay, t\u00ednh d\u1eabn nhi\u1ec7t c\u1ef1c cao c\u1ee7a graphene c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t qu\u1ea7n \u00e1o s\u01b0\u1edfi b\u1eb1ng \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef \u1ea5m v\u00e0 ch\u1ed1ng l\u1ea1nh, c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i v\u1ea3i d\u1ec7t d\u1eabn nhi\u1ec7t v\u00e0 t\u1ea1o c\u1ea3m gi\u00e1c m\u00e1t m\u1ebb. Qu\u1ea7n \u00e1o s\u01b0\u1edfi \u0111i\u1ec7n b\u1eb1ng graphene ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng graphene \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n th\u00e0nh nhi\u1ec7t, sau \u0111\u00f3 k\u1ebft h\u1ee3p t\u00ednh d\u1eabn nhi\u1ec7t c\u1ef1c cao c\u1ee7a graphene \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t \u0111\u1ec1u cho to\u00e0n b\u1ed9 c\u01a1 th\u1ec3. N\u00f3 c\u00f3 th\u1ec3 gi\u1eef cho v\u1ea3i nh\u1eb9 v\u00e0 m\u1ec1m \u0111\u1ed3ng th\u1eddi mang l\u1ea1i hi\u1ec7u qu\u1ea3 c\u00e1ch nhi\u1ec7t tuy\u1ec7t v\u1eddi. Ch\u1ea5t li\u1ec7u d\u1ec7t d\u1eabn nhi\u1ec7t v\u00e0 t\u1ea1o c\u1ea3m gi\u00e1c m\u00e1t m\u1ebb s\u1eed d\u1ee5ng t\u00ednh d\u1eabn nhi\u1ec7t cao c\u1ee7a graphene, g\u00e2y m\u1ea5t nhi\u1ec7t nhanh ch\u00f3ng t\u1eeb b\u1ec1 m\u1eb7t da sau khi da ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t li\u1ec7u d\u1ec7t, l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 v\u00e0 mang l\u1ea1i cho m\u1ecdi ng\u01b0\u1eddi tr\u1ea3i nghi\u1ec7m m\u1eb7c tho\u1ea3i m\u00e1i h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, t\u00ednh d\u1eabn nhi\u1ec7t c\u1ef1c cao c\u1ee7a graphene c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t qu\u1ea7n \u00e1o s\u01b0\u1edfi b\u1eb1ng \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef \u1ea5m v\u00e0 ch\u1ed1ng l\u1ea1nh, c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i v\u1ea3i d\u1ec7t d\u1eabn nhi\u1ec7t v\u00e0 t\u1ea1o c\u1ea3m gi\u00e1c m\u00e1t m\u1ebb.<\/p>\n","protected":false},"author":7,"featured_media":131023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-131059","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\/131059","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=131059"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131059\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/131023"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=131059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=131059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=131059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}