{"id":19736,"date":"2023-01-12T07:41:35","date_gmt":"2023-01-12T07:41:35","guid":{"rendered":"http:\/\/dgbellvietnam.com\/thermal-runaway-of-lithium-ion-power-battery\/"},"modified":"2024-10-24T15:52:06","modified_gmt":"2024-10-24T08:52:06","slug":"thermal-runaway-of-lithium-ion-power-battery","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/thermal-runaway-of-lithium-ion-power-battery\/","title":{"rendered":"S\u1ef1 tho\u00e1t nhi\u1ec7t c\u1ee7a pin \u0111i\u1ec7n lithium-ion"},"content":{"rendered":"
\n

1. Ph\u00e2n lo\u1ea1i nguy\u00ean nh\u00e2n <\/span>g\u00e2y ra tai n\u1ea1n <\/span><\/span>do nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao<\/span><\/span><\/a><\/strong><\/span><\/h1>\n

C\u00f3 nhi\u1ec1u l\u00fd do k\u00edch ho\u1ea1t cho s\u1ef1 c\u1ed1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion. Theo \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 k\u00edch ho\u1ea1t, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i: k\u00edch ho\u1ea1t c\u01a1 h\u1ecdc, k\u00edch ho\u1ea1t \u0111i\u1ec7n v\u00e0 k\u00edch ho\u1ea1t nhi\u1ec7t. Ba lo\u1ea1i h\u00ecnh th\u1ee9c k\u00edch ho\u1ea1t c\u00f3 m\u1ed1i quan h\u1ec7 n\u1ed9i t\u1ea1i nh\u1ea5t \u0111\u1ecbnh. N\u00f3i chung, k\u00edch ho\u1ea1t c\u01a1 h\u1ecdc s\u1ebd g\u00e2y ra \u0111o\u1ea3n m\u1ea1ch v\u00e0 k\u00edch ho\u1ea1t \u0111i\u1ec7n, trong khi s\u1ef1 sinh nhi\u1ec7t c\u1ee7a k\u00edch ho\u1ea1t \u0111i\u1ec7n s\u1ebd g\u00e2y ra k\u00edch ho\u1ea1t nhi\u1ec7t v\u00e0 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t do k\u00edch ho\u1ea1t nhi\u1ec7t l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a s\u1ef1 c\u1ed1 k\u00edch ho\u1ea1t. Ph\u00e2n t\u00edch c\u01a1 ch\u1ebf c\u1ee7a c\u00e1c h\u00ecnh th\u1ee9c k\u00edch ho\u1ea1t kh\u00e1c kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi nghi\u00ean c\u1ee9u v\u1ec1 c\u01a1 ch\u1ebf k\u00edch ho\u1ea1t nhi\u1ec7t.<\/span><\/span><\/p>\n

C\u00f2 c\u01a1 h\u1ecdc bao g\u1ed3m <\/span><\/span>\u0111\u00e8 b\u1eb9p<\/span><\/span><\/a> , <\/span><\/span>\u0111\u00e2m \u0111inh<\/span><\/span><\/a> , <\/span><\/span>r\u01a1i<\/span><\/span><\/a> , v.v., ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a pin d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c; C\u00f2 \u0111i\u1ec7n bao g\u1ed3m ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i, ng\u1eafn m\u1ea1ch b\u00ean trong, qu\u00e1 t\u1ea3i, x\u1ea3 qu\u00e1 m\u1ee9c, v.v. \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh l\u00e0 c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua trong qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t; C\u00f2 nhi\u1ec7t bao g\u1ed3m gia nhi\u1ec7t b\u1ea5t th\u01b0\u1eddng, gia nhi\u1ec7t ng\u1ecdn l\u1eeda, v.v. \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh l\u00e0 pin li\u00ean t\u1ee5c h\u1ea5p th\u1ee5 nhi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean. Ti\u00eau chu\u1ea9n ki\u1ec3m tra an to\u00e0n ch\u1ec9 \u0111\u1ecbnh c\u00e1c y\u1ebfu t\u1ed1 k\u00edch ho\u1ea1t tai n\u1ea1n chi ti\u1ebft thu \u0111\u01b0\u1ee3c t\u1eeb ph\u00e2n t\u00edch tai n\u1ea1n. X\u00e1c su\u1ea5t k\u00edch ho\u1ea1t tai n\u1ea1n c\u1ee7a pin \u0111\u00e3 v\u01b0\u1ee3t qua ti\u00eau chu\u1ea9n ki\u1ec3m tra an to\u00e0n c\u0169ng \u0111\u00e3 gi\u1ea3m \u0111\u00e1ng k\u1ec3. Nguy\u00ean nh\u00e2n g\u00e2y ra tai n\u1ea1n c\u00f3 th\u1ec3 kh\u00e1c v\u1edbi nguy\u00ean nh\u00e2n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n ki\u1ec3m tra an to\u00e0n. \u0110i\u1ec1u n\u00e0y gi\u1ea3i th\u00edch t\u1ea1i sao h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n \u0111\u00e3 v\u01b0\u1ee3t qua ti\u00eau chu\u1ea9n ki\u1ec3m tra an to\u00e0n v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra tai n\u1ea1n.<\/span><\/span><\/p>\n

2.M\u1edf r\u1ed9ng s\u1ef1 tho\u00e1t nhi\u1ec7t trong h\u1ec7 th\u1ed1ng pin<\/span><\/span><\/strong><\/span><\/h1>\n

2.1 Nguy c\u01a1 gi\u00e3n n\u1edf nhi\u1ec7t kh\u00f4ng ki\u1ec3m so\u00e1t<\/span><\/span><\/strong><\/span><\/h1>\n

Sau khi hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, nhi\u1ec7t gi\u1ea3i ph\u00f3ng sau khi hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t \u0111\u01a1n ph\u00e2n c\u1ee5c b\u1ed9 lan t\u1ecfa ra xung quanh, c\u00f3 th\u1ec3 l\u00e0m n\u00f3ng c\u00e1c \u1eafc quy xung quanh v\u00e0 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t c\u1ee7a c\u00e1c \u1eafc quy xung quanh, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201cgi\u00e3n n\u1edf\u201d c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t trong c\u1ee5m \u1eafc quy. N\u0103ng l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng b\u1edfi hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t c\u1ee7a m\u1ed9t \u1eafc quy \u0111\u01a1n l\u00e0 c\u00f3 h\u1ea1n, nh\u01b0ng n\u1ebfu ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t, n\u0103ng l\u01b0\u1ee3ng c\u1ee7a to\u00e0n b\u1ed9 c\u1ee5m \u1eafc quy s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng th\u00f4ng qua hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t, g\u00e2y ra t\u00e1c h\u1ea1i l\u1edbn. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u1eafc quy c\u00f4ng su\u1ea5t c\u1ee7a xe \u0111i\u1ec7n thu\u1ea7n t\u00fay 60kW \u2022 h, n\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01a1n ph\u00e2n gi\u1ea3i ph\u00f3ng to\u00e0n b\u1ed9 n\u0103ng l\u01b0\u1ee3ng do s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t kh\u00f4ng ki\u1ec3m so\u00e1t, th\u00ec t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 90kg TNT. N\u00f3i c\u00e1ch kh\u00e1c, m\u1ed9t khi hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t x\u1ea3y ra, n\u00f3 s\u1ebd g\u00e2y ra t\u00e1c h\u1ea1i l\u1edbn. Do \u0111\u00f3, m\u1ecdi ng\u01b0\u1eddi c\u1ea7n ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t gi\u00e3n n\u1edf v\u00e0 h\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t \u1edf m\u1ed9t s\u1ed1 \u0111\u01a1n ph\u00e2n.<\/span><\/span><\/p>\n

2.2 C\u01a1 ch\u1ebf gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/span><\/span><\/strong><\/span><\/h1>\n

Theo quan \u0111i\u1ec3m b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng, khi c\u00f4ng su\u1ea5t nhi\u1ec7t do s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a pin xung quanh c\u1ee7a monome nhi\u1ec7t l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t t\u1ea3n nhi\u1ec7t c\u1ee7a ch\u00ednh n\u00f3, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin xung quanh \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng s\u1ebd t\u0103ng l\u00ean, v\u00e0 sau \u0111\u00f3 s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng k\u00edch ho\u1ea1t nhi\u1ec7t \u0111\u1ed9. Trong m\u00f4-\u0111un pin, c\u00f3 ba \u0111\u01b0\u1eddng d\u1eabn ch\u00ednh c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t trong qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf nhi\u1ec7t \u0111\u1ed9:<\/span><\/span><\/p>\n

1) D\u1eabn nhi\u1ec7t gi\u1eefa c\u00e1c v\u1ecf pin li\u1ec1n k\u1ec1;<\/span><\/span><\/p>\n

2) D\u1eabn nhi\u1ec7t qua c\u1ef1c c\u1ee7a pin;<\/span><\/span><\/p>\n

3) Ch\u00e1y c\u1ee5c pin xung quanh do ch\u00e1y m\u1ed9t c\u1ee5c pin duy nh\u1ea5t.<\/span><\/span><\/p>\n

Hai con \u0111\u01b0\u1eddng d\u1eabn nhi\u1ec7t v\u1ecf v\u00e0 d\u1eabn nhi\u1ec7t c\u1ef1c ch\u1ee7 y\u1ebfu t\u00e1c \u0111\u1ed9ng gi\u1eefa c\u00e1c cell li\u1ec1n k\u1ec1, d\u1ec5 ph\u00e2n t\u00edch v\u00e0 ki\u1ec3m so\u00e1t. \u0110\u1ed1i v\u1edbi c\u00e1c cell vu\u00f4ng, khi ti\u1ebfp x\u00fac gi\u1eefa v\u1ecf v\u00e0 v\u1ecf t\u1ed1t, nhi\u1ec7t d\u1eabn qua v\u1ecf l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi c\u1ef1c. \u0110\u1ed1i v\u1edbi c\u00e1c m\u00f4-\u0111un pin h\u00ecnh tr\u1ee5, s\u1ef1 truy\u1ec1n nhi\u1ec7t gi\u1eefa monome v\u00e0 monome c\u0169ng c\u00f3 th\u1ec3 c\u1ea7n xem x\u00e9t \u0111\u1ebfn \u1ea3nh h\u01b0\u1edfng c\u1ee7a b\u1ee9c x\u1ea1 nhi\u1ec7t. Tuy nhi\u00ean, n\u01b0\u1edbng l\u1eeda c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c cell li\u1ec1n k\u1ec1 c\u0169ng nh\u01b0 c\u00e1c ph\u1ee5 ki\u1ec7n h\u1ec7 th\u1ed1ng pin xung quanh, do \u0111\u00f3 s\u1ebd ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f3 \u0111\u00e1nh gi\u00e1 t\u00e1c h\u1ea1i m\u00e0 n\u00f3 g\u00e2y ra cho h\u1ec7 th\u1ed1ng pin.<\/span><\/span><\/p>\n

M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra khi pin ch\u00e1y cao h\u01a1n nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra khi pin kh\u00f4ng ch\u00e1y. Sau khi x\u1ea3y ra h\u1ecfa ho\u1ea1n, ng\u1ecdn l\u1eeda th\u01b0\u1eddng b\u00e1m xung quanh th\u00e2n van pin nhi\u1ec7t \u0111\u1ed9 cao. \u0110\u1ed3ng th\u1eddi, do nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ng\u1ecdn l\u1eeda b\u00ean ngo\u00e0i l\u00e0 cao nh\u1ea5t n\u00ean pin v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n theo h\u01b0\u1edbng m\u1edf c\u1ee7a th\u00e2n van \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng nhi\u1ec1u nh\u1ea5t. Ngo\u00e0i ra, theo quan \u0111i\u1ec3m thi\u1ebft k\u1ebf, b\u1ea3n th\u00e2n h\u1ec7 th\u1ed1ng pin c\u00f3 \u0111\u1ed9 k\u00edn kh\u00ed nh\u1ea5t \u0111\u1ecbnh v\u00e0 kh\u00ed nhi\u1ec7t \u0111\u1ed9 cao sinh ra do nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng th\u1ec3 khu\u1ebfch t\u00e1n k\u1ecbp th\u1eddi v\u00e0 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m n\u00f3ng pin xung quanh.<\/span><\/span><\/p>\n

2.3 <\/span><\/span><\/strong>M\u00e2u thu\u1eabn gi\u1eefa ph\u00f2ng ng\u1eeba <\/span><\/span><\/strong>v\u00e0 thi\u1ebft k\u1ebf<\/span><\/span><\/strong><\/span><\/h1>\n

Theo c\u01a1 ch\u1ebf gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t ph\u01b0\u01a1ng \u00e1n c\u1ee5 th\u1ec3 \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t.<\/span><\/span><\/p>\n

Tr\u01b0\u1edbc h\u1ebft, c\u1ea7n ph\u1ea3i ng\u0103n ng\u1eeba s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a ng\u1ecdn l\u1eeda. H\u01b0\u1edbng ph\u00e1t sinh ng\u1ecdn l\u1eeda c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn b\u1edfi thi\u1ebft k\u1ebf h\u01b0\u1edbng phun c\u1ee7a th\u00e2n van; Ch\u1ea5t ch\u1eefa ch\u00e1y c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y. T\u1ea5t nhi\u00ean, h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n \u0111\u00e3 v\u01b0\u1ee3t qua ti\u00eau chu\u1ea9n ki\u1ec3m tra an to\u00e0n. X\u00e1c su\u1ea5t x\u1ea3y ra ng\u1ecdn l\u1eeda \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng; \u0110\u1ed3ng th\u1eddi, vi\u1ec7c b\u1ecbt k\u00edn t\u1ed1t c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n khi\u1ebfn h\u00e0m l\u01b0\u1ee3ng oxy b\u00ean trong h\u1ec7 th\u1ed1ng pin kh\u00f4ng \u0111\u1ee7, \u0111i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 l\u1ee3i cho s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u1ecdn l\u1eeda.<\/span><\/span><\/p>\n

Th\u1ee9 hai, c\u1ea7n xem x\u00e9t t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 khu\u1ebfch t\u00e1n kh\u00ed nhi\u1ec7t \u0111\u1ed9 cao l\u00ean c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng pin. M\u1ed9t s\u1ed1 pin c\u00f3 h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 x\u1ea3 kh\u00ed nhi\u1ec7t \u0111\u1ed9 cao k\u1ecbp th\u1eddi.<\/span><\/span><\/p>\n

\u0110\u1ed3ng th\u1eddi, \u0111\u01b0\u1eddng d\u1eabn nhi\u1ec7t gi\u1eefa c\u00e1c cell ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1eb7n \u0111\u00fang c\u00e1ch, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1edbp c\u00e1ch nhi\u1ec7t gi\u1eefa c\u00e1c cell \u0111\u01a1n. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng trong qu\u1ea3n l\u00fd nhi\u1ec7t, c\u00e1c khe h\u1edf kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i gi\u1eefa c\u00e1c v\u1ecf pin \u0111\u1ec3 l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed v\u00e0 t\u00e1ch c\u00e1c pin li\u1ec1n k\u1ec1. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf do nhi\u1ec7t, pin gi\u00e3n n\u1edf do nhi\u1ec7t s\u1ebd gi\u00e3n n\u1edf v\u00e0 khe h\u1edf kh\u00f4ng kh\u00ed s\u1ebd bi\u1ebfn m\u1ea5t do pin gi\u00e3n n\u1edf. L\u00fac n\u00e0y, qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t gi\u1eefa pin v\u00e0 pin v\u1eabn di\u1ec5n ra nhanh. Kh\u00f4ng kh\u1ea3 thi \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 gi\u00e3n n\u1edf kh\u00f4ng ki\u1ec3m so\u00e1t c\u1ee7a nhi\u1ec7t ch\u1ec9 b\u1eb1ng c\u00e1ch gi\u1eef l\u1ea1i khe h\u1edf kh\u00f4ng kh\u00ed.<\/span><\/span><\/p>\n

Ngo\u00e0i ra, kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t b\u00ean trong h\u1ec7 th\u1ed1ng pin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng sau khi hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t monome \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t; X\u1ea3 pin xung quanh pin b\u1ecb l\u1ed7i; L\u1ea5p \u0111\u1ea7y v\u1eadt li\u1ec7u chuy\u1ec3n pha gi\u1eefa c\u00e1c pin \u0111\u1ec3 h\u1ea5p th\u1ee5 nhi\u1ec7t v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 \u1ee9c ch\u1ebf s\u1ef1 gi\u00e3n n\u1edf c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t.<\/span><\/span><\/p>\n

Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 m\u00e2u thu\u1eabn nh\u1ea5t \u0111\u1ecbnh gi\u1eefa thi\u1ebft k\u1ebf ng\u0103n ng\u1eeba s\u1ef1 gi\u00e3n n\u1edf m\u1ea5t ki\u1ec3m so\u00e1t v\u00e0 thi\u1ebft k\u1ebf c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng pin. Ph\u01b0\u01a1ng ph\u00e1p ch\u1eb7n \u0111\u01b0\u1eddng truy\u1ec1n nhi\u1ec7t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u0103ng c\u01b0\u1eddng s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u1ee5m pin, \u0111i\u1ec1u n\u00e0y tr\u00e1i ng\u01b0\u1ee3c v\u1edbi m\u1ee5c ti\u00eau thi\u1ebft k\u1ebf v\u1ec1 t\u00ednh nh\u1ea5t qu\u00e1n nhi\u1ec7t \u0111\u1ed9 trong thi\u1ebft k\u1ebf qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ee7a c\u1ee5m pin. Ngo\u00e0i ra, vi\u1ec7c b\u1ed5 sung c\u00e1c bi\u1ec7n ph\u00e1p ch\u1eefa ch\u00e1y, x\u1ea3, c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c s\u1ebd l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a h\u1ec7 th\u1ed1ng pin v\u00e0 l\u00e0m t\u0103ng chi ph\u00ed thi\u1ebft k\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng pin. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea5u h\u00ecnh h\u1ee3p l\u00fd c\u00e1c bi\u1ec7n ph\u00e1p an ninh \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 x\u1ea3y ra c\u1ee7a s\u1ef1 gi\u00e3n n\u1edf m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, \u0111\u1ed3ng th\u1eddi t\u00ednh \u0111\u1ebfn c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed thi\u1ebft k\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng pin, l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng trong thi\u1ebft k\u1ebf an ninh h\u1ec7 th\u1ed1ng pin.<\/span><\/span><\/p>\n

3.K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n

Pin lithium-ion hi\u1ec7n c\u00f3 \u0111\u00e3 v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 c\u0169ng c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n t\u01b0\u01a1ng \u1ee9ng trong h\u1ec7 th\u1ed1ng pin. T\u00ednh an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u1ea5t nhi\u1ec1u. Tuy nhi\u00ean, m\u1eb7c d\u00f9 c\u00e1c m\u1ed1i nguy hi\u1ec3m do c\u00e1c v\u1ee5 tai n\u1ea1n an to\u00e0n hi\u1ec7n c\u00f3 g\u00e2y ra l\u00e0 c\u00f3 h\u1ea1n, nh\u01b0ng v\u1edbi s\u1ef1 c\u1ea3i thi\u1ec7n v\u1ec1 n\u0103ng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a pin \u0111i\u1ec7n lithium-ion, c\u00e1c m\u1ed1i nguy hi\u1ec3m do m\u1ed9t v\u1ee5 tai n\u1ea1n an to\u00e0n g\u00e2y ra s\u1ebd t\u0103ng l\u00ean; Vi\u1ec7c ph\u1ed5 bi\u1ebfn xe \u0111i\u1ec7n tr\u00ean di\u1ec7n r\u1ed9ng c\u0169ng s\u1ebd l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t x\u1ea3y ra c\u00e1c v\u1ee5 tai n\u1ea1n an to\u00e0n. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 li\u00ean quan ph\u1ea3i ch\u00fa \u00fd \u0111\u1ebfn t\u00ednh an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n lithium-ion v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch hy sinh t\u00ednh an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin. B\u1edfi v\u00ec tai n\u1ea1n an to\u00e0n x\u1ea3y ra h\u00e0ng ng\u00e0y, g\u00e2y nguy hi\u1ec3m \u0111\u1ebfn t\u00ednh m\u1ea1ng v\u00e0 an to\u00e0n t\u00e0i s\u1ea3n c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng, v\u00e0 t\u1ea5t nhi\u00ean c\u0169ng c\u00f3 ngh\u0129a l\u00e0 m\u1ea5t uy t\u00edn c\u1ee7a s\u1ea3n ph\u1ea9m c\u1ee7a doanh nghi\u1ec7p.<\/span><\/span><\/p>\n

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<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

1. Ph\u00e2n lo\u1ea1i nguy\u00ean nh\u00e2n g\u00e2y ra tai n\u1ea1n do nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao C\u00f3 nhi\u1ec1u l\u00fd do k\u00edch ho\u1ea1t cho s\u1ef1 c\u1ed1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion. Theo \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 k\u00edch ho\u1ea1t, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i: k\u00edch ho\u1ea1t c\u01a1 h\u1ecdc, k\u00edch ho\u1ea1t \u0111i\u1ec7n v\u00e0 k\u00edch ho\u1ea1t<\/p>\n","protected":false},"author":1,"featured_media":19737,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19736"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19736\/revisions"}],"predecessor-version":[{"id":22016,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19736\/revisions\/22016"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19737"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}