{"id":19690,"date":"2023-06-15T09:42:05","date_gmt":"2023-06-15T09:42:05","guid":{"rendered":"http:\/\/dgbellvietnam.com\/thermal-runaway-of-lithium-battery\/"},"modified":"2024-10-21T20:30:47","modified_gmt":"2024-10-21T13:30:47","slug":"thermal-runaway-of-lithium-battery","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/thermal-runaway-of-lithium-battery\/","title":{"rendered":"Tho\u00e1t nhi\u1ec7t c\u1ee7a pin Lithium"},"content":{"rendered":"
\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, xe nhi\u00ean li\u1ec7u thay th\u1ebf \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1c l\u01b0\u1ee3ng kh\u00f4ng th\u1ec3 b\u1ecf qua trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi, ch\u00fang ta th\u01b0\u1eddng th\u1ea5y tin t\u1ee9c v\u1ec1 s\u1ef1 t\u1ef1 b\u1ed1c ch\u00e1y, n\u1ed5 v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c c\u1ee7a xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi. B\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c v\u1ee5 tai n\u1ea1n an to\u00e0n xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi th\u1ef1c s\u1ef1 l\u00e0 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin. B\u00e0i b\u00e1o n\u00e0y gi\u1edbi thi\u1ec7u t\u00f3m t\u1eaft v\u1ec1 t\u00ecnh tr\u1ea1ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, c\u00e1c v\u1ea5n \u0111\u1ec1 hi\u1ec7n t\u1ea1i, c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ea7n gi\u1ea3i quy\u1ebft v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt c\u1ea7n th\u1ef1c hi\u1ec7n.<\/span><\/span><\/p>\n

1 Nhi\u1ec7t \u0111\u1ed9 tho\u00e1t ra ngo\u00e0i<\/span><\/span><\/strong><\/span><\/h1>\n

S\u1ef1 c\u1ed1 nhi\u1ec7t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t, ch\u00e1y n\u1ed5 do ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n gi\u1ea3i ph\u00f3ng nhi\u1ec7t c\u1ee7a m\u1ed9t c\u1ee5c pin \u0111\u01a1n l\u1ebb g\u00e2y ra, khi\u1ebfn t\u1ed1c \u0111\u1ed9 t\u0103ng nhi\u1ec7t \u0111\u1ed9 t\u1ef1 nhi\u00ean c\u1ee7a pin thay \u0111\u1ed5i nhanh ch\u00f3ng.<\/span><\/span><\/p>\n

2 C\u00e1c v\u1ea5n \u0111\u1ec1 hi\u1ec7n t\u1ea1i<\/span><\/span><\/strong><\/span><\/h1>\n

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. Trong th\u1ef1c t\u1ebf, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00e1t hi\u1ec7n ch\u00ednh x\u00e1c r\u00f2 r\u1ec9 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3, Kh\u00f3 kh\u0103n n\u1eb1m \u1edf vi\u1ec7c ph\u1ea3i v\u1eeba \u201cs\u1edbm\u201d v\u1eeba \u201cch\u00ednh x\u00e1c\u201d, c\u0169ng nh\u01b0 tu\u00e2n th\u1ee7 m\u1ed9t lo\u1ea1t c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng nh\u01b0 \u201c\u00f4 t\u00f4\u201d v\u00e0 \u201ch\u1ed9p pin\u201d.<\/span><\/span><\/p>\n

B\u1edfi v\u00ec c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1ed9 nh\u1ea1y cao c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi kh\u00ed d\u1ec5 bay h\u01a1i t\u1eeb v\u1eadt li\u1ec7u ni\u00eam phong trong h\u1ed9p pin, g\u00e2y ra b\u00e1o \u0111\u1ed9ng sai; v\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1ed9 nh\u1ea1y th\u1ea5p m\u1ea5t ch\u1ee9c n\u0103ng c\u1ea3nh b\u00e1o s\u1edbm. Nh\u01b0 \u0111\u00e3 bi\u1ebft, do m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a ch\u00e1y pin, h\u1eadu qu\u1ea3 c\u1ee7a b\u00e1o \u0111\u1ed9ng ch\u1eadm l\u00e0 c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng v\u00e0 kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c<\/span><\/span><\/p>\n

3 v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt ch\u00ednh c\u1ea7n gi\u1ea3i quy\u1ebft<\/span><\/span><\/strong><\/span><\/h1>\n

(1) Nhi\u1ec1u v\u1ee5 ch\u00e1y n\u1ed5 t\u1ef1 ph\u00e1t \u0111\u00e3 x\u1ea3y ra \u1edf xe \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1edbi, m\u1ed9t l\u1ea7n n\u1eefa gi\u00f3ng l\u00ean h\u1ed3i chu\u00f4ng c\u1ea3nh b\u00e1o v\u1ec1 s\u1ef1 an to\u00e0n c\u1ee7a xe \u0111i\u1ec7n. C\u00e1c chuy\u00ean gia ch\u1ec9 ra r\u1eb1ng, s\u1ef1 c\u1ed1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra ch\u00e1y pin \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi pin lithium-ion, s\u1ef1 c\u1ed1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t l\u00e0 tai n\u1ea1n an to\u00e0n nghi\u00eam tr\u1ecdng nh\u1ea5t, khi\u1ebfn pin lithium-ion b\u1eaft l\u1eeda ho\u1eb7c th\u1eadm ch\u00ed ph\u00e1t n\u1ed5, \u0111e d\u1ecda tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n t\u00ednh m\u1ea1ng c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/span><\/span><\/p>\n

(2) C\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a Nhi\u1ec7t \u0111\u1ed9 tho\u00e1t ra kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c cell \u0111i\u1ec7n kh\u00e1c nhau. Th\u00f4ng qua vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t Nhi\u1ec7t \u0111\u1ed9 tho\u00e1t ra kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c cell \u0111i\u1ec7n, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u1ea3nh b\u00e1o s\u1edbm v\u00e0 ki\u1ec3m so\u00e1t th\u00f4ng minh c\u00e1c nguy c\u01a1 ch\u00e1y pin, v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u1ea3nh b\u00e1o s\u1edbm cho h\u00e0nh kh\u00e1ch tr\u01b0\u1edbc.<\/span><\/span><\/p>\n

(3) Th\u00f4ng qua vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, xe \u0111i\u1ec7n c\u00f3 th\u1ec3 c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m l\u00e0 r\u1ea5t s\u1edbm, ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, kh\u00f4ng c\u00f3 b\u00e1o \u0111\u1ed9ng gi\u1ea3 v\u00e0 b\u00e1o c\u00e1o b\u1ecb m\u1ea5t, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed, do \u0111\u00f3 tr\u1edf th\u00e0nh ph\u01b0\u01a1ng \u00e1n k\u1ef9 thu\u1eadt t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadn h\u00e0nh an to\u00e0n cho xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi.<\/span><\/span><\/p>\n

4 Bi\u1ec7n ph\u00e1p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ec1 xu\u1ea5t<\/span><\/span><\/strong><\/span><\/h1>\n

(1) C\u00e1c y\u1ebfu t\u1ed1 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u00f3ng ch\u1ea3y m\u1ea5t ki\u1ec3m so\u00e1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i, c\u00e1c y\u1ebfu t\u1ed1 b\u00ean trong v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i. C\u00e1c y\u1ebfu t\u1ed1 b\u00ean trong ch\u00ednh l\u00e0: l\u1ed7i s\u1ea3n xu\u1ea5t pin d\u1eabn \u0111\u1ebfn ng\u1eafn m\u1ea1ch b\u00ean trong; S\u1eed d\u1ee5ng pin kh\u00f4ng \u0111\u00fang c\u00e1ch d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra c\u00e1c dendrite lithium b\u00ean trong, g\u00e2y ra ng\u1eafn m\u1ea1ch gi\u1eefa c\u00e1c \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u00e2m. C\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i ch\u00ednh l\u00e0: c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i nh\u01b0 b\u00f3p v\u00e0 ch\u00e2m kim g\u00e2y ra ng\u1eafn m\u1ea1ch trong pin lithium-ion; Ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i c\u1ee7a pin khi\u1ebfn nhi\u1ec7t t\u00edch t\u1ee5 b\u00ean trong pin qu\u00e1 nhanh; Nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i qu\u00e1 cao d\u1eabn \u0111\u1ebfn ph\u00e2n h\u1ee7y m\u00e0ng SEI v\u00e0 v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng.<\/span><\/span><\/p>\n

(2) <\/span><\/span>Ki\u1ec3m tra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a m\u1ed9t cell \u0111i\u1ec7n<\/span><\/span><\/a> . Hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a c\u00e1c model l\u00f5i \u0111i\u1ec7n kh\u00e1c nhau c\u1ee7a c\u00e1c h\u00e3ng s\u1ea3n xu\u1ea5t kh\u00e1c nhau l\u00e0 kh\u00e1c nhau. \u0110i\u1ec1u ch\u00fang ta c\u1ea7n l\u00e0m l\u00e0 ki\u1ec3m tra c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a l\u00f5i \u0111i\u1ec7n \u0111\u01a1n v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed1i v\u1edbi l\u00f5i \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong d\u1ef1 \u00e1n hi\u1ec7n t\u1ea1i.<\/span><\/span><\/p>\n

(3) Ki\u1ec3m tra ti\u1ebfp x\u00fac nhi\u1ec7t kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c. S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nhi\u1ec7t ph\u1eb3ng ho\u1eb7c h\u00ecnh thanh, b\u1ec1 m\u1eb7t gi\u1ebfng ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng l\u1edbp g\u1ed1m, kim lo\u1ea1i ho\u1eb7c l\u1edbp c\u00e1ch \u0111i\u1ec7n. Di\u1ec7n t\u00edch gia nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb ki\u1ec3m tra kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a cell pin; Ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp b\u1ec1 m\u1eb7t gia nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb gia nhi\u1ec7t v\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a pin \u0111\u01a1n, v\u00e0 d\u1eebng k\u00edch ho\u1ea1t khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m gi\u00e1m s\u00e1t \u0111\u1ea1t 300 \u2103<\/span><\/span><\/p>\n

(4) Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp x\u00fac <\/span><\/span>ch\u00e2m c\u1ee9u<\/span><\/span><\/a> kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c. N\u1ed9i dung ki\u1ec3m tra c\u1ee5 th\u1ec3 l\u00e0: v\u1eadt li\u1ec7u l\u00e0m kim ph\u1ea3i l\u00e0 th\u00e9p, \u0111\u01b0\u1eddng k\u00ednh kim ph\u1ea3i t\u1eeb 3 mm ~ 8 mm; H\u00ecnh d\u1ea1ng \u0111\u1ea7u kim l\u00e0 h\u00ecnh n\u00f3n, g\u00f3c 20 \u00b0 ~ 60 \u00b0; Ki\u1ec3m tra kim ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u1edbi t\u1ed1c \u0111\u1ed9 0,1 mm \/ s ~ 10 mm \/ s theo v\u1ecb tr\u00ed v\u00e0 h\u01b0\u1edbng (v\u00ed d\u1ee5, h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi c\u1ef1c) m\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t t\u1ebf b\u00e0o.<\/span><\/span><\/p>\n

(5) Ph\u00e1n \u0111o\u00e1n t\u00ecnh tr\u1ea1ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t. Khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, c\u1ea3nh b\u00e1o ph\u00e1n \u0111o\u00e1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a ra. Khi b\u0103ng gh\u1ebf kh\u00f3i v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, c\u1ea3nh b\u00e1o ph\u00e1n \u0111o\u00e1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a ra. Khi kh\u00ed v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, c\u1ea3nh b\u00e1o ph\u00e1n \u0111o\u00e1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a ra. Khi ng\u1ecdn l\u1eeda v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, c\u1ea3nh b\u00e1o ph\u00e1n \u0111o\u00e1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a ra; M\u1ee5c \u0111\u00edch c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0 thi\u1ebft l\u1eadp c\u00e1c \u01b0u ti\u00ean ch\u00ednh x\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau v\u00e0 lu\u00f4n cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3<\/span><\/span><\/p>\n

5 \u00dd ngh\u0129a trong l\u00fd thuy\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng<\/span><\/span><\/strong><\/span><\/h1>\n

Trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion, do nhi\u1ec7t \u0111\u1ed9 pin, \u0111i\u1ec7n \u00e1p x\u1ea3, d\u00f2ng \u0111i\u1ec7n x\u1ea3 v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 nh\u1eadn d\u1ea1ng \u0111\u1eb7c tr\u01b0ng kh\u00e1c thay \u0111\u1ed5i ch\u1eadm n\u00ean kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i pin s\u1edbm nh\u1ea5t c\u00f3 th\u1ec3 th\u00f4ng qua BMS hi\u1ec7n \u0111\u1ea1i. L\u00fac n\u00e0y, ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a b\u00ean trong pin s\u1ebd t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c ch\u1ea5t kh\u00ed. Do \u0111\u00f3, v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n kh\u00ed \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o s\u1edbm v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng pin lithium-ion \u0111\u00f2i h\u1ecfi s\u1ef1 an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh, hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111\u1ec1u l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a vi\u1ec7c thi\u1ebfu an to\u00e0n.<\/span><\/span><\/p>\n

Trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh tho\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion, do nhi\u1ec7t \u0111\u1ed9 pin, \u0111i\u1ec7n \u00e1p x\u1ea3, d\u00f2ng \u0111i\u1ec7n x\u1ea3 v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 nh\u1eadn d\u1ea1ng \u0111\u1eb7c tr\u01b0ng kh\u00e1c thay \u0111\u1ed5i ch\u1eadm n\u00ean kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i pin s\u1edbm nh\u1ea5t c\u00f3 th\u1ec3 th\u00f4ng qua BMS hi\u1ec7n \u0111\u1ea1i. L\u00fac n\u00e0y, ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a b\u00ean trong pin s\u1ebd t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c ch\u1ea5t kh\u00ed. Do \u0111\u00f3, v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n kh\u00ed \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o s\u1edbm v\u1ec1 qu\u00e1 tr\u00ecnh tho\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion.<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng pin lithium-ion \u0111\u00f2i h\u1ecfi s\u1ef1 an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh, Nhi\u1ec7t tho\u00e1t ra ngo\u00e0i v\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n nhi\u1ec7t tho\u00e1t ra ngo\u00e0i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111\u1ec1u l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a s\u1ef1 thi\u1ebfu an to\u00e0n. Do m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao c\u1ee7a pin lithium-ion v\u00e0 \u0111\u1eb7c th\u00f9 c\u1ee7a vi\u1ec7c gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng, kh\u00ed \u0111\u1ed9c h\u1ea1i, v.v., n\u00ean th\u1eed nghi\u1ec7m khu\u1ebfch t\u00e1n nhi\u1ec7t tho\u00e1t ra ngo\u00e0i \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong nhi\u1ec1u ti\u00eau chu\u1ea9n th\u1ef1c ch\u1ea5t l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng ph\u1ea3i c\u00f3 ph\u1ea3n h\u1ed3i ch\u00ednh x\u00e1c khi m\u1ed9t l\u1ea7n Nhi\u1ec7t tho\u00e1t ra ngo\u00e0i s\u1eafp x\u1ea3y ra. Y\u00eau c\u1ea7u t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf s\u00f3t ho\u1eb7c b\u00e1o c\u00e1o sai, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebf ho\u1ea1ch x\u1eed l\u00fd an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin c\u00f3 \u0111\u1ee7 th\u1eddi gian b\u1eaft \u0111\u1ea7u, H\u1ec7 th\u1ed1ng pin \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 m\u1ed9t kh\u1ea3 n\u0103ng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 \u1ee9c ch\u1ebf ho\u1eb7c tr\u00ec ho\u00e3n s\u1ef1 khu\u1ebfch t\u00e1n c\u1ee7a Nhi\u1ec7t tho\u00e1t ra ngo\u00e0i, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a tai n\u1ea1n v\u00e0 d\u00e0nh \u0111\u1ee7 th\u1eddi gian s\u01a1 t\u00e1n tr\u01b0\u1edbc khi l\u1ef1c ph\u00e1 ho\u1ea1i c\u1ee7a n\u00f3 \u0111e d\u1ecda \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a c\u00e1 nh\u00e2n, \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 m\u1edf r\u1ed9ng h\u01a1n n\u1eefa c\u1ee7a c\u00e1c m\u1ed1i nguy hi\u1ec3m cho c\u00e1 nh\u00e2n.<\/span><\/span><\/p>\n

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V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, xe nhi\u00ean li\u1ec7u thay th\u1ebf \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1c l\u01b0\u1ee3ng kh\u00f4ng th\u1ec3 b\u1ecf qua trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi, ch\u00fang ta th\u01b0\u1eddng th\u1ea5y tin t\u1ee9c v\u1ec1 s\u1ef1 t\u1ef1 b\u1ed1c ch\u00e1y, n\u1ed5 v\u00e0 c\u00e1c<\/p>\n","protected":false},"author":1,"featured_media":19691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19690","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\/19690","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=19690"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19690\/revisions"}],"predecessor-version":[{"id":21983,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19690\/revisions\/21983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19691"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}