{"id":19597,"date":"2024-02-22T05:47:37","date_gmt":"2024-02-22T05:47:37","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-power-battery-safety-test\/"},"modified":"2024-10-21T12:03:17","modified_gmt":"2024-10-21T05:03:17","slug":"lithium-power-battery-safety-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-power-battery-safety-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m an to\u00e0n pin lithium"},"content":{"rendered":"
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So v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 m\u00e1y t\u00ednh x\u00e1ch tay, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch c\u1ed1 \u0111\u1ecbnh nh\u01b0 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng pin lithium-ion cho xe \u0111i\u1ec7n ph\u1ee9c t\u1ea1p h\u01a1n, \u0111a d\u1ea1ng h\u01a1n v\u00e0 \u0111\u00f2i h\u1ecfi kh\u1eaft khe h\u01a1n. V\u00ed d\u1ee5, pin c\u1ea7n ph\u1ea3i ti\u1ebfp x\u00fac v\u1edbi ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng, b\u1ed9 pin c\u1ea7n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c rung \u0111\u1ed9ng k\u00e9o d\u00e0i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh xe v\u00e0 y\u00eau c\u1ea7u s\u1ea1c v\u00e0 x\u1ea3 t\u1ed1c \u0111\u1ed9 cao. Trong s\u1ed1 \u0111\u00f3, s\u1ea1c v\u00e0 x\u1ea3 t\u1ed1c \u0111\u1ed9 cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u0103ng nhi\u1ec7t sinh ra b\u00ean trong pin. N\u1ebfu h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t kh\u00f4ng th\u1ec3 l\u00e0m n\u00f3ng pin k\u1ecbp th\u1eddi, nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u ph\u1ea3n \u1ee9ng ph\u1ee5 kh\u00e1c nhau b\u00ean trong pin, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00e2n h\u1ee7y m\u00e0ng SEI, ph\u1ea3n \u1ee9ng \u0111i\u1ec7n c\u1ef1c \u00e2m v\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, ph\u00e2n h\u1ee7y ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, v.v. v\u00e0 cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t.<\/span><\/p>\n

M\u1ed9t khi pin b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, n\u00f3 s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 ch\u00e1y n\u1ed5 trong th\u1eddi gian ng\u1eafn. Ngo\u00e0i ra, kh\u00f4ng gi\u1ed1ng nh\u01b0 pin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, pin \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xe \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i th\u1ea5p h\u01a1n. L\u1ea5y pin 18650 l\u00e0m v\u00ed d\u1ee5, x\u00e1c su\u1ea5t h\u1ecfng h\u00f3c t\u1ef1 ph\u00e1t b\u00ean trong (c\u00f2n g\u1ecdi l\u00e0 h\u1ecfng h\u00f3c t\u1ea1i ch\u1ed7) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong kho\u1ea3ng t\u1eeb 1 tr\u00ean 40 tri\u1ec7u \u0111\u1ebfn 1 tr\u00ean 10 tri\u1ec7u, t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u00e1ng tin c\u1eady \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng. Tuy nhi\u00ean, khi s\u1eed d\u1ee5ng trong xe \u0111i\u1ec7n, do s\u1ed1 l\u01b0\u1ee3ng cell pin trong c\u1ee5m pin th\u01b0\u1eddng l\u00e0 h\u00e0ng tr\u0103m ho\u1eb7c th\u1eadm ch\u00ed h\u00e0ng ngh\u00ecn, n\u00ean ngay c\u1ea3 x\u00e1c su\u1ea5t h\u1ecfng h\u00f3c t\u1ef1 ph\u00e1t th\u1ea5p nh\u01b0 v\u1eady c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd \u0111\u1ea7y \u0111\u1ee7.<\/span><\/p>\n

T\u00f3m l\u1ea1i, l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a xe \u0111i\u1ec7n, vi\u1ec7c c\u1ea3i thi\u1ec7n t\u00ednh an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p xe \u0111i\u1ec7n. Do \u0111\u00f3, vi\u1ec7c ti\u1ebfn h\u00e0nh hi\u1ec7u qu\u1ea3 th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 an to\u00e0n pin \u0111i\u1ec7n l\u00e0 \u0111\u1eb7c bi\u1ec7t c\u1ea5p thi\u1ebft. B\u00e0i vi\u1ebft n\u00e0y k\u1ebft h\u1ee3p h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u00e0 c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u li\u00ean quan \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 t\u00f3m t\u1eaft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 an to\u00e0n hi\u1ec7n h\u00e0nh \u0111\u1ed1i v\u1edbi pin \u0111i\u1ec7n, hy v\u1ecdng s\u1ebd cung c\u1ea5p t\u00e0i li\u1ec7u tham kh\u1ea3o v\u00e0 h\u01b0\u1edbng d\u1eabn h\u1eefu \u00edch \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 \u0111\u1ecbnh l\u01b0\u1ee3ng khoa h\u1ecdc h\u01a1n.<\/span><\/p>\n

1 Ki\u1ec3m tra an to\u00e0n c\u1ee7a t\u1eebng lo\u1ea1i pin \u0111i\u1ec7n<\/span><\/strong><\/span><\/h1>\n

1.1 Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m<\/span><\/span><\/h2>\n

Kh\u1ea3 n\u0103ng x\u1ea3y ra ch\u00e1y n\u1ed5, v.v. khi s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch pin \u0111i\u1ec7n c\u00f3 m\u1ee9c ki\u1ec3m so\u00e1t cao l\u00e0 c\u1ef1c k\u1ef3 nh\u1ecf. Ch\u1ec9 khi pin v\u01b0\u1ee3t qu\u00e1 ranh gi\u1edbi tr\u1ea1ng th\u00e1i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ea1c qu\u00e1 m\u1ee9c, \u0111o\u1ea3n m\u1ea1ch ho\u1eb7c qu\u00e1 nhi\u1ec7t, th\u00ec m\u1edbi c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin.<\/span><\/p>\n

M\u1eb7c d\u00f9 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin l\u00e0 m\u1ed9t t\u00ecnh hu\u1ed1ng b\u1ea5t th\u01b0\u1eddng, nh\u01b0ng tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a pin \u0111i\u1ec7n trong xe r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 thay \u0111\u1ed5i, v\u00ec v\u1eady nghi\u00ean c\u1ee9u v\u1ec1 h\u00e0nh vi m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin kh\u00f4ng th\u1ec3 b\u1ecb b\u1ecf qua. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u h\u00e0nh vi m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin, ch\u00fang ta kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin, ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u1ec1 an to\u00e0n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u1ec1 an to\u00e0n m\u00e0 c\u00f2n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ng\u0103n ng\u1eeba tai n\u1ea1n ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng khi pin b\u1ecb m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt m\u1ea1nh m\u1ebd cho c\u00e1c n\u1ed7 l\u1ef1c c\u1ee9u h\u1ed9<\/span><\/p>\n

1.2 <\/span>Ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/span><\/a><\/span><\/h2>\n

\u0110\u1ed9 an to\u00e0n c\u1ee7a cell pin \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111\u1ed9 an to\u00e0n n\u1ed9i t\u1ea1i (\u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t) v\u00e0 \u0111\u1ed9 an to\u00e0n k\u00edch ho\u1ea1t (bao g\u1ed3m c\u1ea3 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t do c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i nh\u01b0 qu\u00e1 t\u1ea3i, qu\u00e1 nhi\u1ec7t, th\u1ee7ng, <\/span>ng\u1eafn m\u1ea1ch<\/span><\/a> , v.v.) d\u1ef1a tr\u00ean l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng. \u0110\u1ed1i v\u1edbi \u0111\u1ed9 an to\u00e0n n\u1ed9i t\u1ea1i, nhi\u1ec7t l\u01b0\u1ee3ng k\u1ebf \u0111o\u1ea1n nhi\u1ec7t t\u0103ng t\u1ed1c l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c t\u00ednh hi\u1ec7u qu\u1ea3. \u0110\u01b0\u1eddng cong nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m pin lithium-ion tr\u00ean th\u1ecb tr\u01b0\u1eddng (v\u1edbi c\u00e1c m\u1eabu A, C v\u00e0 D l\u00e0 pin h\u1ec7 th\u1ed1ng cacbon ba th\u00e0nh ph\u1ea7n v\u00e0 m\u1eabu B l\u00e0 pin h\u1ec7 th\u1ed1ng cacbon lithium s\u1eaft phosphate). C\u00e1c \u0111\u1eb7c t\u00ednh m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t n\u1ed9i t\u1ea1i c\u1ee7a pin \u0111i\u1ec7n ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u00e1u giai \u0111o\u1ea1n \u0111i\u1ec3n h\u00ecnh, c\u1ee5 th\u1ec3 l\u00e0 suy gi\u1ea3m dung l\u01b0\u1ee3ng, nhi\u1ec7t t\u1ef1 sinh, tan ch\u1ea3y m\u00e0ng, ng\u1eafn m\u1ea1ch b\u00ean trong, t\u0103ng nhi\u1ec7t \u0111\u1ed9 b\u00ean trong nhanh ch\u00f3ng v\u00e0 ph\u1ea3n \u1ee9ng d\u01b0.<\/span><\/p>\n

Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi pin lithium-ion c\u00f3 h\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u kh\u00e1c nhau, th\u1eddi gian \u1ee7 c\u1ea7n thi\u1ebft cho hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium s\u1eaft phosphate (m\u1eabu B) l\u00e0 d\u00e0i nh\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m u\u1ed1n cho hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t nghi\u00eam tr\u1ecdng l\u00e0 cao nh\u1ea5t (s\u1eed d\u1ee5ng 10 \u00b0 ph\u00fat l\u00e0m ti\u00eau chu\u1ea9n cho hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t nghi\u00eam tr\u1ecdng)<\/span><\/p>\n

So v\u1edbi pin m\u1edbi, ph\u00e2n t\u00edch \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a pin trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a ch\u00fang c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m. So s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng cong ti\u1ebfn h\u00f3a \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u1ed9t lo\u1ea1i pin lithium-ion nh\u1ea5t \u0111\u1ecbnh t\u1ea1i c\u00e1c th\u1eddi \u0111i\u1ec3m chu k\u1ef3 kh\u00e1c nhau. T\u1eeb t\u00ecnh h\u00ecnh chung, c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 c\u00e1c n\u00fat nhi\u1ec7t \u0111\u1ed9 tr\u00ean c\u00e1c \u0111\u01b0\u1eddng cong nhi\u1ec7t \u0111\u1ed9 m\u1ea5t ki\u1ec3m so\u00e1t \u0111\u1ed1i v\u1edbi c\u00e1c chu k\u1ef3 kh\u00e1c nhau. Khi s\u1ed1 chu k\u1ef3 t\u0103ng l\u00ean, nhi\u1ec7t \u0111\u1ed9 ph\u00e2n h\u1ee7y c\u1ee7a m\u00e0ng SEI gi\u1ea3m d\u1ea7n v\u00e0 th\u1eddi gian nhi\u1ec7t \u0111\u1ed9 m\u1ea5t ki\u1ec3m so\u00e1t c\u1ee7a pin t\u0103ng l\u00ean, khi\u1ebfn pin ng\u00e0y c\u00e0ng d\u1ec5 b\u1ecb nhi\u1ec7t \u0111\u1ed9 m\u1ea5t ki\u1ec3m so\u00e1t. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n ph\u1ea3i xem x\u00e9t \u0111\u1ea7y \u0111\u1ee7 t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf c\u1ee7a pin trong giai \u0111o\u1ea1n sau c\u1ee7a v\u00f2ng \u0111\u1eddi, \u0111\u1ec3 tr\u00e1nh c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u1ec1 an to\u00e0n nh\u01b0 h\u1ecfng pin sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng pin.<\/span><\/p>\n

1.3 <\/span>Ki\u1ec3m tra s\u1ef1 tho\u00e1t nhi\u1ec7t<\/span><\/a><\/span><\/h2>\n

Nghi\u00ean c\u1ee9u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t trong pin \u0111i\u1ec7n nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3. Pin \u0111i\u1ec7n s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, v\u00ec v\u1eady c\u1ea7n ph\u1ea3i nghi\u00ean c\u1ee9u v\u00e0 x\u00e1c minh t\u00ednh an to\u00e0n c\u1ee7a vi\u1ec7c k\u00edch ho\u1ea1t ch\u00fang. Hi\u1ec7n nay, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh ch\u1ee7 y\u1ebfu bao g\u1ed3m qu\u00e1 t\u1ea3i, gia nhi\u1ec7t v\u00e0 ch\u00e2m kim. So s\u00e1nh c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ba ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111i\u1ec3n h\u00ecnh. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t kh\u00e1c v\u1eabn \u0111ang trong giai \u0111o\u1ea1n th\u0103m d\u00f2 bao g\u1ed3m ng\u1eafn m\u1ea1ch b\u00ean trong, ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o vi\u1ec7c nh\u00fang kim lo\u1ea1i nh\u1edb, v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha, v.v. b\u00ean trong pin \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ea1ch ng\u1eafn b\u00ean trong pin. X\u00e1c su\u1ea5t k\u00edch ho\u1ea1t, kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i v\u00e0 t\u1ef1 do v\u1ecb tr\u00ed c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i cao, nh\u01b0ng do th\u1ef1c t\u1ebf l\u00e0 n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00e0 m\u00e1y pin s\u1eeda \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf n\u00ean vi\u1ec7c tri\u1ec3n khai ph\u01b0\u01a1ng ph\u00e1p n\u00e0y g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n v\u00e0 h\u1ea1n ch\u1ebf v\u1ec1 m\u1eb7t \u1ee9ng d\u1ee5ng.<\/span><\/p>\n

B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn h\u01a1n m\u01b0\u1eddi s\u1ea3n ph\u1ea9m ti\u00eau bi\u1ec3u th\u01b0\u1eddng th\u1ea5y tr\u00ean th\u1ecb tr\u01b0\u1eddng v\u00e0 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u th\u1eed nghi\u1ec7m v\u1ec1 ba ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t ti\u00eau bi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng c\u00f3 m\u1ed9t s\u1ed1 kh\u00e1c bi\u1ec7t nh\u1ea5t \u0111\u1ecbnh v\u1ec1 x\u00e1c su\u1ea5t k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a m\u1eabu gi\u1eefa ba ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t. Ngh\u0129a l\u00e0, ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u1edf t\u1ea5t c\u1ea3 c\u00e1c m\u1eabu, ch\u00e2m c\u1ee9u h\u1ea7u nh\u01b0 c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u1edf t\u1ea5t c\u1ea3 c\u00e1c m\u1eabu v\u00e0 s\u1ea1c qu\u00e1 m\u1ee9c ch\u1ec9 c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u1edf 46% c\u00e1c m\u1eabu. L\u00fd do ch\u00ednh cho \u0111i\u1ec1u n\u00e0y l\u00e0 do c\u1ea5u tr\u00fac c\u1ee7a pin vu\u00f4ng v\u00e0 pin h\u00ecnh tr\u1ee5. S\u1ea1c qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 b\u00ean trong \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t.<\/span><\/p>\n

1.4 S\u1ef1 tho\u00e1t nhi\u1ec7t c\u1ee7a to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi c\u1ee7a pin \u0111i\u1ec7n<\/span><\/span><\/h2>\n

Khi s\u1ed1 chu k\u1ef3 pin t\u0103ng l\u00ean, c\u00f3 th\u1ec3 c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng h\u01b0 h\u1ecfng nh\u01b0 thay \u0111\u1ed5i m\u00e0ng SEI, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a dendrite lithium v\u00e0 c\u00e1c l\u1ed7 m\u00e0ng nh\u1ecf b\u00ean trong pin, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn gi\u1ea3m \u0111\u1ed9 an to\u00e0n c\u1ee7a pin. Do \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ti\u1ebfn h\u00f3a v\u1ec1 \u0111\u1ed9 an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n trong to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi c\u1ee7a ch\u00fang c\u00f3 \u00fd ngh\u0129a ch\u1ec9 \u0111\u1ea1o to l\u1edbn \u0111\u1ed1i v\u1edbi vi\u1ec7c \u1ee9ng d\u1ee5ng s\u1ea3n ph\u1ea9m an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110\u1ecbnh lu\u1eadt ti\u1ebfn h\u00f3a v\u1ec1 \u0111\u1ed9 an to\u00e0n ng\u1eafn m\u1ea1ch c\u1ee7a m\u1ed9t lo\u1ea1i pin lithium-ion nh\u1ea5t \u0111\u1ecbnh theo s\u1ed1 chu k\u1ef3 cho th\u1ea5y khi s\u1ed1 chu k\u1ef3 \u0111\u1ea1t 1000, \u0111\u1ed9 an to\u00e0n c\u1ee7a pin s\u1ebd gi\u1ea3m m\u1ea1nh.<\/span><\/p>\n

Nh\u00ecn chung, th\u00f4ng qua ph\u00e2n t\u00edch th\u1ed1ng k\u00ea v\u1ec1 \u0111\u1ed9 an to\u00e0n c\u1ee7a m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn m\u1eabu trong c\u00e1c chu k\u1ef3 \u0111\u00e2m th\u1ee7ng, gia nhi\u1ec7t v\u00e0 s\u1ea1c qu\u00e1 m\u1ee9c kh\u00e1c nhau, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng s\u1ef1 ti\u1ebfn tri\u1ec3n v\u1ec1 \u0111\u1ed9 an to\u00e0n c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i pin lithium-ion cho th\u1ea5y m\u1ed9t m\u00f4 h\u00ecnh r\u00f5 r\u00e0ng, t\u1ee9c l\u00e0 \u0111\u1ed9 an to\u00e0n s\u1ebd \u0111\u1ed9t ng\u1ed9t gi\u1ea3m sau khi \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t tr\u1ea1ng th\u00e1i l\u00e3o h\u00f3a nh\u1ea5t \u0111\u1ecbnh. \u0110\u1ed3ng th\u1eddi, m\u1ed9t s\u1ed1 \u00edt m\u1eabu th\u1ec3 hi\u1ec7n t\u00ednh \u0111\u1eb7c hi\u1ec7u v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a ch\u00fang kh\u00f4ng gi\u1ea3m \u0111\u00e1ng k\u1ec3 khi th\u1eddi gian chu k\u1ef3 t\u0103ng l\u00ean. Do \u0111\u00f3, c\u1ea7n ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 v\u1edbi h\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee5 th\u1ec3, \u0111\u1ec3 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn c\u1ea7n thi\u1ebft cho vi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 an to\u00e0n trong to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi.<\/span><\/p>\n

2 Ki\u1ec3m tra an to\u00e0n h\u1ec7 th\u1ed1ng \u1eafc quy \u0111i\u1ec7n<\/span><\/strong><\/span><\/h1>\n

2.1 Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m<\/span><\/span><\/h2>\n

M\u1ee5c \u0111\u00edch c\u1ee7a th\u1eed nghi\u1ec7m an to\u00e0n l\u00e0 \u0111\u1ec3 x\u00e1c minh t\u00ednh an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n trong tr\u01b0\u1eddng h\u1ee3p l\u1ea1m d\u1ee5ng v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 \u0111\u1ec3 x\u00e1c minh kh\u1ea3 n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n trong vi\u1ec7c b\u1ea3o v\u1ec7 h\u00e0nh kh\u00e1ch trong c\u00e1c t\u00ecnh hu\u1ed1ng nguy hi\u1ec3m. \u0110i\u1ec1u n\u00e0y ch\u1ee7 y\u1ebfu bao g\u1ed3m m\u00f4 ph\u1ecfng c\u01a1 h\u1ecdc v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau v\u00e0 \u0111\u1ec3 x\u00e1c minh \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng pin trong rung \u0111\u1ed9ng, m\u00f4 ph\u1ecfng c\u01a1 h\u1ecdc c\u1ee7a va ch\u1ea1m, r\u01a1i, \u00e9p v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c<\/span><\/p>\n

Ki\u1ec3m tra an to\u00e0n m\u00f4i tr\u01b0\u1eddng l\u00e0 qu\u00e1 tr\u00ecnh m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau \u0111\u1ec3 x\u00e1c minh t\u00ednh an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin trong c\u00e1c m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, \u0111\u1ed9 \u1ea9m cao, thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t, h\u01a1i mu\u1ed1i, h\u1ecfa ho\u1ea1n v\u00e0 ng\u00e2m n\u01b0\u1edbc.<\/span><\/p>\n

\u0110\u1ed9 tin c\u1eady b\u1ea3o v\u1ec7 l\u00e0 x\u00e1c minh ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a h\u1ec7 th\u1ed1ng pin b\u1eb1ng c\u00e1ch m\u00f4 ph\u1ecfng c\u00e1c t\u00ecnh hu\u1ed1ng b\u1ea5t ng\u1edd c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng xe, bao g\u1ed3m b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i, b\u1ea3o v\u1ec7 qu\u00e1 x\u1ea3, b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t, b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng, b\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c. Trong th\u1eed nghi\u1ec7m \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ea3o v\u1ec7, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin ho\u1eb7c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 l\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n duy nh\u1ea5t \u0111\u1ec3 n\u00f3 ho\u1ea1t \u0111\u1ed9ng. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh c\u00e1c c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau v\u1ec1 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7. L\u1ea5y t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i l\u00e0m v\u00ed d\u1ee5, c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh c\u00e1c m\u1ee9c ng\u01b0\u1ee1ng \u0111i\u1ec7n \u00e1p kh\u00e1c nhau \u0111\u1ec3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00e1c nhau \u2013 nh\u1eafc nh\u1edf, b\u00e1o \u0111\u1ed9ng, ng\u1eaft k\u1ebft n\u1ed1i r\u01a1le, v.v.<\/span><\/p>\n

2.2 Th\u1eed nghi\u1ec7m khu\u1ebfch t\u00e1n nhi\u1ec7t<\/span><\/span><\/h2>\n

\u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m an to\u00e0n h\u1ec7 th\u1ed1ng pin, m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng h\u01a1n l\u00e0 th\u1eed nghi\u1ec7m khu\u1ebfch t\u00e1n nhi\u1ec7t. Nguy\u00ean t\u1eafc ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 \u0111\u1ea3m b\u1ea3o tho\u00e1t hi\u1ec3m an to\u00e0n cho ng\u01b0\u1eddi l\u00e1i xe v\u00e0 h\u00e0nh kh\u00e1ch, v\u00e0 \u0111\u1ec3 x\u00e1c minh c\u00e1ch \u0111\u1ea3m b\u1ea3o an to\u00e0n c\u00e1 nh\u00e2n cho h\u00e0nh kh\u00e1ch trong xe khi h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n b\u1ecb m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t.<\/span><\/p>\n

Tr\u1ecdng t\u00e2m nghi\u00ean c\u1ee9u v\u1ec1 an to\u00e0n khu\u1ebfch t\u00e1n nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n ch\u1ee7 y\u1ebfu bao g\u1ed3m vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng k\u00edch ho\u1ea1t m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t (bao g\u1ed3m t\u00ednh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t kh\u00e1c nhau v\u00e0 kh\u1ea3 n\u0103ng so s\u00e1nh k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p k\u00edch ho\u1ea1t) v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u00e1n \u0111o\u00e1n. \u0110\u1ed3ng th\u1eddi, t\u1eadp trung v\u00e0o c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u01a1 ch\u1ebf lan truy\u1ec1n c\u1ee7a h\u00e0nh vi khu\u1ebfch t\u00e1n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n, nh\u1eb1m cung c\u1ea5p d\u1eef li\u1ec7u th\u1ef1c nghi\u1ec7m v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt cho thi\u1ebft k\u1ebf an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n.<\/span><\/p>\n

\u1ede c\u1ea5p \u0111\u1ed9 \u1ee9ng d\u1ee5ng xe, c\u0169ng c\u1ea7n ph\u1ea3i ki\u1ec3m tra c\u00e1c \u0111i\u1ec1u ki\u1ec7n an to\u00e0n v\u00e0 ph\u00e1n \u0111o\u00e1n trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh xe. N\u1ebfu ph\u00e2n t\u00edch hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 khu\u1ebfch t\u00e1n nhi\u1ec7t x\u1ea3y ra khi l\u1eafp pin v\u00e0o xe bu\u00fdt, k\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m cho th\u1ea5y sau kho\u1ea3ng 5 ph\u00fat m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, \u0111\u00e1m ch\u00e1y b\u1eaft \u0111\u1ea7u lan r\u1ed9ng v\u00e0 x\u00e2m nh\u1eadp v\u00e0o xe. \u0110\u1ed3ng th\u1eddi, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi gian tho\u00e1t hi\u1ec3m c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t c\u1ee7a pin khi ch\u1edf \u0111\u1ea7y t\u1ea3i, nh\u1eefng ng\u01b0\u1eddi \u1edf c\u00e1c nh\u00f3m tu\u1ed5i kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m cho c\u00e1c b\u00e0i ki\u1ec3m tra tho\u00e1t hi\u1ec3m c\u1ee7a ng\u01b0\u1eddi, v\u1edbi th\u1eddi gian d\u00e0i nh\u1ea5t l\u00e0 51 gi\u00e2y. D\u1ef1a tr\u00ean th\u1eddi gian xe ph\u00e1t hi\u1ec7n b\u00e1o \u0111\u1ed9ng v\u00e0 d\u1eebng kh\u1ea9n c\u1ea5p, c\u00f9ng v\u1edbi th\u1eddi gian ng\u01b0\u1ee1ng an to\u00e0n nh\u1ea5t \u0111\u1ecbnh, th\u1eddi gian tho\u00e1t hi\u1ec3m s\u01a1 b\u1ed9 c\u1ee7a ng\u01b0\u1eddi l\u00e0 5 ph\u00fat \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, \u0111\u00f3ng vai tr\u00f2 l\u00e0 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u \u0111\u1ec3 s\u01a1 t\u00e1n to\u00e0n b\u1ed9 xe.<\/span><\/p>\n

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

B\u00e0i vi\u1ebft n\u00e0y t\u00f3m t\u1eaft v\u00e0 ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m hi\u1ec7n t\u1ea1i v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 v\u1ec1 \u0111\u1ed9 an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n. \u1ede c\u1ea5p \u0111\u1ed9 cell pin, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c tr\u01b0ng v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 t\u00ecnh tr\u1ea1ng hi\u1ec7n t\u1ea1i c\u0169ng nh\u01b0 xu h\u01b0\u1edbng c\u1ee7a h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 v\u1ec1 \u0111\u1ed9 an to\u00e0n khi k\u00edch ho\u1ea1t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch. \u1ede c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng, tr\u1ecdng t\u00e2m l\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng pin v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 \u0111\u1ec3 th\u1eed nghi\u1ec7m khu\u1ebfch t\u00e1n nhi\u1ec7t.<\/span><\/p>\n

V\u1edbi vi\u1ec7c th\u00fac \u0111\u1ea9y v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c lo\u1ea1i xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi v\u00e0 s\u1ed1 l\u01b0\u1ee3ng xe ng\u00e0y c\u00e0ng t\u0103ng, nhi\u1ec1u xe \u0111\u00e3 ch\u1ea1y \u0111\u01b0\u1ee3c nhi\u1ec1u n\u0103m ho\u1eb7c h\u00e0ng ch\u1ee5c ngh\u00ecn km, v\u00e0 \u0111\u00e3 c\u00f3 m\u1ed9t s\u1ed1 v\u1ee5 tai n\u1ea1n an to\u00e0n c\u1ee7a xe \u0111i\u1ec7n trong th\u1eddi gian g\u1ea7n \u0111\u00e2y. Vi\u1ec7c n\u1eafm v\u1eefng quy lu\u1eadt ti\u1ebfn h\u00f3a v\u1ec1 t\u00ednh an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n trong to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi c\u1ee7a ch\u00fang, c\u0169ng nh\u01b0 ph\u00e1t hi\u1ec7n v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 t\u00ednh an to\u00e0n c\u1ee7a pin trong to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi c\u1ee7a ch\u00fang, c\u00f3 \u00fd ngh\u0129a r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng tu\u1ea7n t\u1ef1 c\u00e1c lo\u1ea1i pin an to\u00e0n cho xe \u0111i\u1ec7n. C\u1ee5 th\u1ec3, vi\u1ec7c thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 pin \u0111i\u1ec7n t\u1eeb c\u00e1 nh\u00e2n \u0111\u1ebfn h\u1ec7 th\u1ed1ng, bao g\u1ed3m to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi v\u00e0 xem x\u00e9t th\u00eam c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a xe, \u0111\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n v\u1ec1 t\u00ednh an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n, s\u1ebd c\u00f3 l\u1ee3i cho vi\u1ec7c n\u00e2ng cao m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a ng\u00e0nh pin \u0111i\u1ec7n.<\/span><\/p>\n

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

So v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 m\u00e1y t\u00ednh x\u00e1ch tay, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch c\u1ed1 \u0111\u1ecbnh nh\u01b0 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng pin lithium-ion cho xe \u0111i\u1ec7n ph\u1ee9c t\u1ea1p h\u01a1n, \u0111a d\u1ea1ng h\u01a1n v\u00e0 \u0111\u00f2i h\u1ecfi kh\u1eaft khe h\u01a1n. V\u00ed d\u1ee5, pin c\u1ea7n<\/p>\n","protected":false},"author":1,"featured_media":19598,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19597","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\/19597","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=19597"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19597\/revisions"}],"predecessor-version":[{"id":21920,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19597\/revisions\/21920"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19598"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}