{"id":19704,"date":"2023-04-27T09:15:16","date_gmt":"2023-04-27T09:15:16","guid":{"rendered":"http:\/\/dgbellvietnam.com\/thermal-runaway-of-ev-battery\/"},"modified":"2024-10-21T20:56:25","modified_gmt":"2024-10-21T13:56:25","slug":"thermal-runaway-of-ev-battery","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/thermal-runaway-of-ev-battery\/","title":{"rendered":"Tho\u00e1t nhi\u1ec7t pin EV"},"content":{"rendered":"
\n

C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n l\u00e0 tr\u1edf ng\u1ea1i ch\u00ednh \u0111\u1ed1i v\u1edbi vi\u1ec7c \u1ee9ng d\u1ee5ng pin lithium-ion tr\u00ean quy m\u00f4 l\u1edbn trong xe \u0111i\u1ec7n. V\u1edbi s\u1ef1 c\u1ea3i thi\u1ec7n li\u00ean t\u1ee5c v\u1ec1 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a pin lithium-ion, vi\u1ec7c c\u1ea3i thi\u1ec7n t\u00ednh an to\u00e0n c\u1ee7a ch\u00fang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean c\u1ea5p thi\u1ebft \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a xe \u0111i\u1ec7n. S\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng trong nghi\u00ean c\u1ee9u v\u1ec1 an to\u00e0n pin. Do \u0111\u00f3, b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p m\u1ed9t \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n v\u1ec1 c\u01a1 ch\u1ebf m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion th\u01b0\u01a1ng m\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xe \u0111i\u1ec7n. T\u00f3m t\u1eaft c\u00e1c t\u00ecnh hu\u1ed1ng l\u1ea1m d\u1ee5ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <\/span><\/span>m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t<\/span><\/span><\/a> . C\u00e1c t\u00ecnh hu\u1ed1ng l\u1ea1m d\u1ee5ng bao g\u1ed3m l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc, l\u1ea1m d\u1ee5ng \u0111i\u1ec7n v\u00e0 <\/span><\/span>l\u1ea1m d\u1ee5ng nhi\u1ec7t<\/span><\/span><\/a> . \u0110o\u1ea3n m\u1ea1ch b\u00ean trong l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c t\u00ecnh tr\u1ea1ng l\u1ea1m d\u1ee5ng.<\/span><\/span><\/p>\n

<\/a><\/p>\n

L\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc<\/span><\/span><\/strong><\/span><\/h1>\n

D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a ngo\u1ea1i l\u1ef1c, s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a c\u00e1c cell pin lithium v\u00e0 c\u1ee5m pin, c\u0169ng nh\u01b0 s\u1ef1 d\u1ecbch chuy\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u1ee7a ch\u00ednh ch\u00fang, l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m b\u00ean ngo\u00e0i ch\u00ednh c\u1ee7a s\u1ef1 l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc. C\u00e1c h\u00ecnh th\u1ee9c ch\u00ednh c\u1ee7a cell pin bao g\u1ed3m va ch\u1ea1m, n\u00e9n v\u00e0 \u0111\u00e2m \u0111inh. Xem x\u00e9t m\u1ee9c \u0111\u1ed9 c\u1ee7a c\u1ee5m pin, c\u00e1c v\u1ea5n \u0111\u1ec1 rung \u0111\u1ed9ng c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t.<\/span><\/span><\/p>\n

Trong l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc, nguy hi\u1ec3m nh\u1ea5t l\u00e0 \u0111\u00e2m \u0111inh, khi d\u00e2y d\u1eabn \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o th\u00e2n pin, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch tr\u1ef1c ti\u1ebfp gi\u1eefa c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m. So v\u1edbi va ch\u1ea1m, b\u00f3p m\u00e9o, v.v., th\u00ec ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong. Qu\u00e1 tr\u00ecnh \u0111\u00e2m \u0111inh sinh nhi\u1ec7t m\u1ea1nh h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng n\u00f3ng l\u00ean kh\u00f4ng ki\u1ec3m so\u00e1t cao h\u01a1n.<\/span><\/span><\/p>\n

Tr\u01b0\u1edbc \u0111\u00e2y, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng b\u1eb1ng \u0111inh \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m thay th\u1ebf cho ISC. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i c\u1ee7a th\u1eed nghi\u1ec7m kim \u0111ang b\u1ecb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t pin th\u00e1ch th\u1ee9c. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi tin r\u1eb1ng pin lithium-ion c\u00f3 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n s\u1ebd kh\u00f4ng bao gi\u1edd v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ed9t bi\u1ebfn ti\u00eau chu\u1ea9n. Vi\u1ec7c c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng b\u1eb1ng \u0111inh ho\u1eb7c t\u00ecm ra c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m thay th\u1ebf v\u1eabn l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u00f2n b\u1ecf ng\u1ecf v\u00e0 \u0111\u1ea7y th\u00e1ch th\u1ee9c trong nghi\u00ean c\u1ee9u v\u1ec1 t\u00ednh an to\u00e0n c\u1ee7a pin lithium-ion.<\/span><\/span><\/p>\n

L\u1ea1m d\u1ee5ng \u0111i\u1ec7n<\/span><\/span><\/strong><\/span><\/h1>\n

Vi\u1ec7c s\u1eed d\u1ee5ng pin lithium qu\u00e1 m\u1ee9c v\u1ec1 \u0111i\u1ec7n th\u01b0\u1eddng bao g\u1ed3m c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean ngo\u00e0i, s\u1ea1c qu\u00e1 m\u1ee9c v\u00e0 x\u1ea3, trong \u0111\u00f3 s\u1ea1c qu\u00e1 m\u1ee9c c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t.<\/span><\/span><\/p>\n

\u0110o\u1ea3n m\u1ea1ch b\u00ean ngo\u00e0i x\u1ea3y ra khi hai d\u00e2y d\u1eabn c\u00f3 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u00ean ngo\u00e0i cell. \u0110o\u1ea3n m\u1ea1ch b\u00ean ngo\u00e0i c\u1ee7a b\u1ed9 pin c\u00f3 th\u1ec3 do bi\u1ebfn d\u1ea1ng, ng\u00e2m, nhi\u1ec5m b\u1ea9n d\u00e2y d\u1eabn ho\u1eb7c \u0111i\u1ec7n gi\u1eadt trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng do va ch\u1ea1m xe h\u01a1i.<\/span><\/span><\/p>\n

So v\u1edbi s\u1ef1 \u0111\u00e2m xuy\u00ean c\u1ee7a \u0111inh, nhi\u1ec7t do ng\u1eafn m\u1ea1ch ngo\u00e0i t\u1ecfa ra th\u01b0\u1eddng kh\u00f4ng l\u00e0m n\u00f3ng pin. M\u1ed1i li\u00ean h\u1ec7 quan tr\u1ecdng gi\u1eefa ng\u1eafn m\u1ea1ch ngo\u00e0i v\u00e0 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t l\u00e0 nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao. Khi nhi\u1ec7t do ng\u1eafn m\u1ea1ch ngo\u00e0i sinh ra kh\u00f4ng th\u1ec3 t\u1ea3n ra t\u1ed1t, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin s\u1ebd t\u0103ng l\u00ean v\u00e0 nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp x\u00fac cao s\u1ebd m\u1ea5t ki\u1ec3m so\u00e1t. Do \u0111\u00f3, c\u1eaft d\u00f2ng ng\u1eafn m\u1ea1ch ho\u1eb7c t\u1ea3n nhi\u1ec7t qu\u00e1 m\u1ee9c l\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n t\u00e1c h\u1ea1i ti\u1ebfp theo do ng\u1eafn m\u1ea1ch ngo\u00e0i g\u00e2y ra.<\/span><\/span><\/p>\n

S\u1ea1c qu\u00e1 ng\u01b0\u1ee1ng<\/span><\/span><\/strong><\/span><\/h1>\n

Do h\u00e0m l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng cao, \u0111\u00e2y l\u00e0 lo\u1ea1i l\u1ea1m d\u1ee5ng \u0111i\u1ec7n nguy hi\u1ec3m nh\u1ea5t. Sinh ra nhi\u1ec7t v\u00e0 kh\u00ed l\u00e0 hai \u0111\u1eb7c \u0111i\u1ec3m chung trong qu\u00e1 tr\u00ecnh s\u1ea1c qu\u00e1 m\u1ee9c. Nhi\u1ec7t xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec7t Ohmic v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng ph\u1ee5. Th\u1ee9 nh\u1ea5t, do ch\u00e8n lithium qu\u00e1 m\u1ee9c, c\u00e1c dendrite lithium ph\u00e1t tri\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t anot. Th\u1eddi \u0111i\u1ec3m c\u00e1c dendrite lithium b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi t\u1ef7 l\u1ec7 h\u00f3a h\u1ecdc c\u1ee7a cat\u1ed1t v\u00e0 anot. Th\u1ee9 hai, s\u1ef1 t\u00e1ch r\u1eddi qu\u00e1 m\u1ee9c c\u1ee7a lithium d\u1eabn \u0111\u1ebfn s\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a c\u1ea5u tr\u00fac cat\u1ed1t do nhi\u1ec7t v\u00e0 gi\u1ea3i ph\u00f3ng oxy. Vi\u1ec7c gi\u1ea3i ph\u00f3ng oxy \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kh\u00ed. Do \u00e1p su\u1ea5t b\u00ean trong t\u0103ng l\u00ean, van x\u1ea3 m\u1edf ra v\u00e0 pin b\u1eaft \u0111\u1ea7u c\u1ea1n ki\u1ec7t. Sau khi ho\u1ea1t ch\u1ea5t trong cell pin ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, n\u00f3 tr\u1ea3i qua ph\u1ea3n \u1ee9ng d\u1eef d\u1ed9i v\u00e0 gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn. B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb hai kh\u00eda c\u1ea1nh: qu\u1ea3n l\u00fd \u0111i\u1ec7n \u00e1p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh v\u1eadt li\u1ec7u.<\/span><\/span><\/p>\n

X\u1ea3 qu\u00e1 ng\u01b0\u1ee1ng<\/span><\/span><\/strong><\/span><\/h1>\n

\u0110i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u gi\u1eefa c\u00e1c pin trong m\u1ed9t b\u1ed9 pin l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi. Do \u0111\u00f3, m\u1ed9t khi BMS kh\u00f4ng th\u1ec3 theo d\u00f5i c\u1ee5 th\u1ec3 b\u1ea5t k\u1ef3 cell pin n\u00e0o c\u00f3 \u0111i\u1ec7n \u00e1p th\u1ea5p nh\u1ea5t, n\u00f3 s\u1ebd b\u1ecb x\u1ea3 qu\u00e1 m\u1ee9c. C\u01a1 ch\u1ebf l\u1ea1m d\u1ee5ng x\u1ea3 qu\u00e1 m\u1ee9c kh\u00e1c v\u1edbi c\u00e1c d\u1ea1ng l\u1ea1m d\u1ee5ng kh\u00e1c v\u00e0 nguy c\u01a1 ti\u1ec1m \u1ea9n c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p.<\/span><\/span><\/p>\n

Trong qu\u00e1 tr\u00ecnh x\u1ea3 qu\u00e1 m\u1ee9c, pin c\u00f3 \u0111i\u1ec7n \u00e1p th\u1ea5p nh\u1ea5t trong b\u1ed9 pin c\u00f3 th\u1ec3 b\u1ecb x\u1ea3 c\u01b0\u1ee1ng b\u1ee9c b\u1edfi c\u00e1c pin kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp. Trong qu\u00e1 tr\u00ecnh x\u1ea3 c\u01b0\u1ee1ng b\u1ee9c, \u0111\u1ea3o c\u1ef1c khi\u1ebfn \u0111i\u1ec7n \u00e1p pin tr\u1edf n\u00ean \u00e2m, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng n\u00f3ng b\u1ea5t th\u01b0\u1eddng c\u1ee7a pin \u0111\u00e3 x\u1ea3 qu\u00e1 m\u1ee9c. C\u00e1c ion \u0111\u1ed3ng h\u00f2a tan do x\u1ea3 qu\u00e1 m\u1ee9c di chuy\u1ec3n qua m\u00e0ng v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c nh\u00e1nh c\u00e2y \u0111\u1ed3ng c\u00f3 \u0111i\u1ec7n th\u1ebf th\u1ea5p h\u01a1n \u1edf ph\u00eda c\u1ef1c \u00e2m. Khi s\u1ef1 ph\u00e1t tri\u1ec3n ti\u1ebfp t\u1ee5c t\u0103ng, c\u00e1c nh\u00e1nh c\u00e2y \u0111\u1ed3ng c\u00f3 th\u1ec3 xuy\u00ean qua m\u00e0ng, d\u1eabn \u0111\u1ebfn ISC nghi\u00eam tr\u1ecdng.<\/span><\/span><\/p>\n

L\u1ea1m d\u1ee5ng nhi\u1ec7t<\/span><\/span><\/strong><\/span><\/h1>\n

Qu\u00e1 nhi\u1ec7t c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 l\u00e0 t\u00ecnh hu\u1ed1ng l\u1ea1m d\u1ee5ng nhi\u1ec7t \u0111i\u1ec3n h\u00ecnh x\u1ea3y ra trong c\u00e1c b\u1ed9 pin. L\u1ea1m d\u1ee5ng nhi\u1ec7t hi\u1ebfm khi t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u00e0 th\u01b0\u1eddng ph\u00e1t tri\u1ec3n t\u1eeb l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 nguy\u00ean nh\u00e2n tr\u1ef1c ti\u1ebfp g\u00e2y ra t\u00ecnh tr\u1ea1ng qu\u00e1 nhi\u1ec7t. Ngo\u00e0i t\u00ecnh tr\u1ea1ng qu\u00e1 nhi\u1ec7t do l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc\/\u0111i\u1ec7n, qu\u00e1 nhi\u1ec7t c\u00f3 th\u1ec3 do c\u00e1c ti\u1ebfp \u0111i\u1ec3m k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo. V\u1ea5n \u0111\u1ec1 v\u1ec1 k\u1ebft n\u1ed1i pin l\u1ecfng l\u1ebbo \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn. L\u1ea1m d\u1ee5ng nhi\u1ec7t c\u0169ng l\u00e0 t\u00ecnh hu\u1ed1ng \u0111\u01b0\u1ee3c m\u00f4 ph\u1ecfng ph\u1ed5 bi\u1ebfn nh\u1ea5t, s\u1eed d\u1ee5ng pin s\u01b0\u1edfi \u1ea5m c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 quan s\u00e1t ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang trong qu\u00e1 tr\u00ecnh s\u01b0\u1edfi \u1ea5m.<\/span><\/span><\/p>\n

Ng\u1eafn m\u1ea1ch b\u00ean trong<\/span><\/span><\/strong><\/a><\/span><\/h1>\n

Ng\u1eafn m\u1ea1ch b\u00ean trong, ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp gi\u1eefa c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m c\u1ee7a pin, t\u1ea5t nhi\u00ean, m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac c\u0169ng thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u trong c\u00e1c ph\u1ea3n \u1ee9ng ti\u1ebfp theo \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. ISC quy m\u00f4 l\u1edbn th\u01b0\u1eddng do l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t s\u1ebd tr\u1ef1c ti\u1ebfp k\u00edch ho\u1ea1t s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t. Ng\u01b0\u1ee3c l\u1ea1i, ng\u1eafn m\u1ea1ch b\u00ean trong t\u1ef1 ph\u00e1t tri\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9 v\u00e0 t\u1ea1o ra r\u1ea5t \u00edt nhi\u1ec7t, s\u1ebd kh\u00f4ng k\u00edch ho\u1ea1t s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t ngay l\u1eadp t\u1ee9c.<\/span><\/span><\/p>\n

T\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng thay \u0111\u1ed5i t\u00f9y theo m\u1ee9c \u0111\u1ed9 v\u1ee1 m\u00e0ng ng\u0103n v\u00e0 th\u1eddi gian t\u1eeb khi ISC \u0111\u1ebfn khi m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t. Ng\u01b0\u1eddi ta tin r\u1eb1ng ISC t\u1ef1 ph\u00e1t c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u00f4 nhi\u1ec5m ho\u1eb7c khi\u1ebfm khuy\u1ebft trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. \u00d4 nhi\u1ec5m\/khuy\u1ebft \u0111i\u1ec3m m\u1ea5t nhi\u1ec1u ng\u00e0y ho\u1eb7c th\u1eadm ch\u00ed nhi\u1ec1u th\u00e1ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh ISC t\u1ef1 ph\u00e1t v\u00e0 c\u00e1c c\u01a1 ch\u1ebf li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u1ee7 b\u1ec7nh d\u00e0i h\u1ea1n kh\u00e1 ph\u1ee9c t\u1ea1p.<\/span><\/span><\/p>\n

B\u00e0i vi\u1ebft gi\u1edbi thi\u1ec7u c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u hi\u1ec7n t\u1ea1i v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng, nguy\u00ean nh\u00e2n v\u00e0 chi\u1ebfn l\u01b0\u1ee3c \u1ee9ng ph\u00f3 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c t\u00ecnh tr\u1ea1ng l\u1ea1m d\u1ee5ng l\u00e0 ng\u1eafn m\u1ea1ch b\u00ean trong, bao g\u1ed3m l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc, l\u1ea1m d\u1ee5ng \u0111i\u1ec7n v\u00e0 l\u1ea1m d\u1ee5ng nhi\u1ec7t. M\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t tu\u00e2n theo c\u01a1 ch\u1ebf ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n, trong \u0111\u00f3 c\u00e1c ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ee7y c\u1ee7a v\u1eadt li\u1ec7u th\u00e0nh ph\u1ea7n pin x\u1ea3y ra li\u00ean ti\u1ebfp.<\/span><\/span><\/p>\n

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

C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n l\u00e0 tr\u1edf ng\u1ea1i ch\u00ednh \u0111\u1ed1i v\u1edbi vi\u1ec7c \u1ee9ng d\u1ee5ng pin lithium-ion tr\u00ean quy m\u00f4 l\u1edbn trong xe \u0111i\u1ec7n. V\u1edbi s\u1ef1 c\u1ea3i thi\u1ec7n li\u00ean t\u1ee5c v\u1ec1 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a pin lithium-ion, vi\u1ec7c c\u1ea3i thi\u1ec7n t\u00ednh an to\u00e0n c\u1ee7a ch\u00fang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean c\u1ea5p thi\u1ebft \u0111\u1ed1i v\u1edbi s\u1ef1<\/p>\n","protected":false},"author":1,"featured_media":19705,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19704","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\/19704","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=19704"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19704\/revisions"}],"predecessor-version":[{"id":21993,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19704\/revisions\/21993"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19705"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}