{"id":677286,"date":"2024-10-18T11:58:54","date_gmt":"2024-10-18T10:58:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=677286"},"modified":"2024-10-18T11:58:54","modified_gmt":"2024-10-18T10:58:54","slug":"quan-ly-nhiet-anh-huong-nhu-the-nao-den-tuoi-tho-pin","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/quan-ly-nhiet-anh-huong-nhu-the-nao-den-tuoi-tho-pin\/","title":{"rendered":"Qu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn tu\u1ed5i th\u1ecd pin"},"content":{"rendered":"

Qu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd pin: C\u00e1ch ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd pin, b\u1ea3o v\u1ec7 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho thi\u1ebft b\u1ecb.<\/p>\n

\"Qu\u1ea3n<\/p>\n

Qu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn tu\u1ed5i th\u1ecd pin<\/h2>\n

Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, qu\u1ea3n l\u00fd nhi\u1ec7t cho pin l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a pin. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u t\u1ea1i sao qu\u1ea3n l\u00fd nhi\u1ec7t l\u1ea1i quan tr\u1ecdng v\u00e0 n\u00f3 t\u00e1c \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a pin.<\/p>\n

T\u1ea1i sao qu\u1ea3n l\u00fd nhi\u1ec7t l\u1ea1i quan tr\u1ecdng?<\/h2>\n

Pin, \u0111\u1eb7c bi\u1ec7t l\u00e0 pin lithium-ion, ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong m\u1ed9t ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. N\u1ebfu v\u01b0\u1ee3t qua gi\u1edbi h\u1ea1n n\u00e0y, t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc b\u00ean trong pin c\u00f3 th\u1ec3 b\u1ecb thay \u0111\u1ed5i, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t gi\u1ea3m ho\u1eb7c th\u1eadm ch\u00ed c\u00e1c ph\u1ea3n \u1ee9ng kh\u00f4ng mong mu\u1ed1n. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n:<\/p>\n

<\/p>\n

  • Nhi\u1ec7t \u0111\u1ed9 cao:<\/b> Khi nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao, c\u00e1c ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc b\u00ean trong pin di\u1ec5n ra nhanh h\u01a1n, g\u00e2y ph\u00e2n hu\u1ef7 c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong nhanh ch\u00f3ng h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng “thermal runaway”.<\/li>\n
  • Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p:<\/b> \u1ede nhi\u1ec7t \u0111\u1ed9 qu\u00e1 th\u1ea5p, kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n ion trong ch\u1ea5t \u0111i\u1ec7n ph\u00e2n gi\u1ea3m, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a pin.<\/li>\n

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

    C\u00e1c ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd nhi\u1ec7t<\/h2>\n

    \u0110\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho pin, c\u1ea7n c\u00f3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn:<\/p>\n

    <\/p>\n

  • H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t:<\/b> S\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cho pin.<\/li>\n
  • V\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t:<\/b> S\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t nh\u01b0 nh\u00f4m ho\u1eb7c \u0111\u1ed3ng \u0111\u1ec3 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/li>\n
  • Qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng:<\/b> Qu\u1ea3n l\u00fd d\u00f2ng n\u0103ng l\u01b0\u1ee3ng v\u00e0o v\u00e0 ra kh\u1ecfi pin \u0111\u1ec3 tr\u00e1nh c\u00e1c t\u00ecnh hu\u1ed1ng qu\u00e1 nhi\u1ec7t ho\u1eb7c qu\u00e1 l\u1ea1nh.<\/li>\n

    <\/o1><\/p>\n

    \u1ea2nh h\u01b0\u1edfng c\u1ee7a qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ebfn tu\u1ed5i th\u1ecd pin<\/h2>\n

    Qu\u1ea3n l\u00fd nhi\u1ec7t kh\u00f4ng ch\u1ec9 gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a pin m\u00e0 c\u00f2n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch m\u00e0 qu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd pin:<\/p>\n

    <\/p>\n

  • Gi\u1ea3m t\u1ed1c \u0111\u1ed9 ph\u00e2n hu\u1ef7:<\/b> \u1ede nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 ph\u00e2n hu\u1ef7 c\u00e1c ch\u1ea5t trong pin gi\u1ea3m, gi\u00fap pin duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e2u h\u01a1n.<\/li>\n
  • Ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh dendrite:<\/b> Dendrite l\u00e0 c\u1ea5u tr\u00fac h\u00ecnh kim g\u00e2y ng\u1eafn m\u1ea1ch. Qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a ch\u00fang.<\/li>\n
  • T\u0103ng c\u01b0\u1eddng t\u00ednh an to\u00e0n:<\/b> M\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t t\u1ed1t c\u00f3 th\u1ec3 gi\u1ea3m nguy c\u01a1 ch\u00e1y n\u1ed5, l\u00e0m cho vi\u1ec7c s\u1eed d\u1ee5ng pin an to\u00e0n h\u01a1n.<\/li>\n

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

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

    Qu\u1ea3n l\u00fd nhi\u1ec7t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a pin. B\u1eb1ng c\u00e1ch duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3, ch\u00fang ta c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a pin v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n khi s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 ti\u00eau d\u00f9ng, n\u01a1i m\u00e0 pin \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Qu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd pin: C\u00e1ch ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd pin, b\u1ea3o v\u1ec7 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho thi\u1ebft b\u1ecb.<\/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":"\nQu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn tu\u1ed5i th\u1ecd pin<\/title>\n<meta name=\"description\" content=\"Qu\u1ea3n l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd pin: C\u00e1ch ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd pin, b\u1ea3o v\u1ec7 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho thi\u1ebft b\u1ecb.\" \/>\n<meta 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