{"id":694019,"date":"2024-10-10T13:19:04","date_gmt":"2024-10-10T12:19:04","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694019"},"modified":"2024-10-10T13:19:04","modified_gmt":"2024-10-10T12:19:04","slug":"graphit-mo-rong-ung-dung-linh-hoat-tan-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/graphit-mo-rong-ung-dung-linh-hoat-tan-nhiet\/","title":{"rendered":"Graphit M\u1edf R\u1ed9ng | \u1ee8ng D\u1ee5ng Linh Ho\u1ea1t T\u1ea3n Nhi\u1ec7t"},"content":{"rendered":"

Graphit M\u1edf R\u1ed9ng | \u1ee8ng D\u1ee5ng Linh Ho\u1ea1t T\u1ea3n Nhi\u1ec7t: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t, c\u1ea5u t\u1ea1o v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a graphit m\u1edf r\u1ed9ng trong c\u00f4ng ngh\u1ec7 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/p>\n

\"Graphit<\/p>\n

Graphit M\u1edf R\u1ed9ng | \u1ee8ng D\u1ee5ng Linh Ho\u1ea1t T\u1ea3n Nhi\u1ec7t<\/h2>\n

Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. M\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 graphit m\u1edf r\u1ed9ng (Expanded Graphite – EG). \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ednh d\u1eabn nhi\u1ec7t cao v\u00e0 \u0111\u1ed9 m\u1ec1m d\u1ebbo, graphit m\u1edf r\u1ed9ng \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n

Graphit M\u1edf R\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n

Graphit m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb graphit t\u1ef1 nhi\u00ean th\u00f4ng qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ho\u00e1 h\u1ecdc v\u00e0 nhi\u1ec7t h\u1ecdc. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra c\u00e1c t\u1ea5m graphit c\u00f3 c\u1ea5u tr\u00fac l\u1ecfng l\u1ebbo, d\u1ec5 d\u00e0ng n\u00e9n l\u1ea1i \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc mong mu\u1ed1n.<\/p>\n

\u01afu \u0111i\u1ec3m c\u1ee7a Graphit M\u1edf R\u1ed9ng<\/h2>\n

<\/p>\n

  • Kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao:<\/b> Graphit m\u1edf r\u1ed9ng c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i, t\u1eeb 150 W\/mK \u0111\u1ebfn 400 W\/mK, gi\u00fap ph\u00e2n t\u00e1n nhi\u1ec7t nhanh ch\u00f3ng.<\/li>\n
  • \u0110\u1ed9 m\u1ec1m d\u1ebbo v\u00e0 d\u1ec5 gia c\u00f4ng:<\/b> V\u1eadt li\u1ec7u n\u00e0y m\u1ec1m v\u00e0 c\u00f3 th\u1ec3 u\u1ed1n cong, c\u1eaft, v\u00e0 \u0111\u1ee5c l\u1ed7 d\u1ec5 d\u00e0ng, ph\u00f9 h\u1ee3p cho nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/li>\n
  • Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao:<\/b> Graphit m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 400\u00b0C trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed v\u00e0 l\u00ean t\u1edbi 3000\u00b0C trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng ho\u1eb7c tr\u01a1.<\/li>\n
  • Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9:<\/b> V\u1edbi m\u1eadt \u0111\u1ed9 th\u1ea5p, graphit m\u1edf r\u1ed9ng gi\u00fap gi\u1ea3m t\u1ea3i tr\u1ecdng c\u00e1c thi\u1ebft b\u1ecb m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t.<\/li>\n

    <\/u1><\/p>\n

    \u1ee8ng D\u1ee5ng c\u1ee7a Graphit M\u1edf R\u1ed9ng trong T\u1ea3n Nhi\u1ec7t<\/h2>\n

    Graphit m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t:<\/p>\n

    <\/p>\n

  • \u0110i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t:<\/b> Trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 b\u1ed9 x\u1eed l\u00fd, m\u00f4-\u0111un \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n, v\u00e0 c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed kh\u00e1c, graphit m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00e1n nhi\u1ec7t hi\u1ec7u qu\u1ea3, ng\u0103n ch\u1eb7n qu\u00e1 nhi\u1ec7t v\u00e0 gi\u1eef cho c\u00e1c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/li>\n
  • Pin v\u00e0 \u1eafc quy:<\/b> V\u1eadt li\u1ec7u n\u00e0y gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cho pin lithium-ion, c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a pin.<\/li>\n
  • Ng\u00e0nh \u00f4 t\u00f4:<\/b> Trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 v\u00e0 h\u1ec7 th\u1ed1ng pin xe \u0111i\u1ec7n, graphit m\u1edf r\u1ed9ng gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t, b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng kh\u1ecfi qu\u00e1 nhi\u1ec7t.<\/li>\n
  • Ng\u00e0nh c\u00f4ng nghi\u1ec7p LED:<\/b> \u0110\u00e8n LED sinh ra nhi\u1ec1u nhi\u1ec7t, v\u00e0 graphit m\u1edf r\u1ed9ng gi\u00fap ph\u00e2n t\u00e1n nhi\u1ec7t nhanh ch\u00f3ng, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t \u00e1nh s\u00e1ng t\u1ed1t h\u01a1n.<\/li>\n

    <\/u1><\/p>\n

    K\u1ebft Lu\u1eadn<\/h2>\n

    Graphit m\u1edf r\u1ed9ng l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t \u0111a ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 cao. V\u1edbi nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u00e1ng k\u1ec3 nh\u01b0 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao, \u0111\u1ed9 m\u1ec1m d\u1ebbo, v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, graphit m\u1edf r\u1ed9ng \u0111ang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn kh\u00f4ng th\u1ec3 thi\u1ebfu trong k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. Vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 \u00e1p d\u1ee5ng graphit m\u1edf r\u1ed9ng s\u1ebd ti\u1ebfp t\u1ee5c mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho c\u00f4ng ngh\u1ec7 v\u00e0 cu\u1ed9c s\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Graphit M\u1edf R\u1ed9ng | \u1ee8ng D\u1ee5ng Linh Ho\u1ea1t T\u1ea3n Nhi\u1ec7t: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t, c\u1ea5u t\u1ea1o v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a graphit m\u1edf r\u1ed9ng trong c\u00f4ng ngh\u1ec7 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/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":"\nGraphit M\u1edf R\u1ed9ng | \u1ee8ng D\u1ee5ng Linh Ho\u1ea1t T\u1ea3n Nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Graphit M\u1edf R\u1ed9ng | \u1ee8ng D\u1ee5ng Linh Ho\u1ea1t T\u1ea3n Nhi\u1ec7t: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t, c\u1ea5u t\u1ea1o v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a graphit m\u1edf r\u1ed9ng trong c\u00f4ng ngh\u1ec7 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3.\" \/>\n<meta name=\"robots\" content=\"index, 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