{"id":19924,"date":"2021-11-04T07:52:06","date_gmt":"2021-11-04T07:52:06","guid":{"rendered":"http:\/\/dgbellvietnam.com\/analysis-on-safety-test-of-lithium-ion-battery\/"},"modified":"2024-11-15T13:36:50","modified_gmt":"2024-11-15T06:36:50","slug":"analysis-on-safety-test-of-lithium-ion-battery","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/analysis-on-safety-test-of-lithium-ion-battery\/","title":{"rendered":"Ph\u00e2n t\u00edch v\u1ec1 th\u1eed nghi\u1ec7m an to\u00e0n c\u1ee7a pin Lithium-ion"},"content":{"rendered":"
\n

S\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u c\u1ee7a ch\u00fang t\u00f4i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c l\u0129nh v\u1ef1c li\u00ean quan \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a t\u00ednh m\u1ea1ng v\u00e0 t\u00e0i s\u1ea3n c\u1ee7a ch\u00fang t\u00f4i, ch\u1eb3ng h\u1ea1n nh\u01b0 xe \u00f4 t\u00f4 ch\u1edf kh\u00e1ch. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion, m\u1ecdi ng\u01b0\u1eddi \u0111\u00e3 thi\u1ebft k\u1ebf nhi\u1ec1u lo\u1ea1i th\u1eed nghi\u1ec7m an to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb l\u1ea1m d\u1ee5ng. Do \u0111\u00f3, t\u1eeb g\u00f3c \u0111\u1ed9 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac pin, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u01b0\u1ee3t qua lo\u1ea1t th\u1eed nghi\u1ec7m an to\u00e0n n\u00e0y l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u1edbi m\u00e0 ch\u00fang ta c\u1ea7n xem x\u00e9t.<\/span><\/span><\/p>\n

Tr\u01b0\u1edbc nh\u1eefng r\u1ee7i ro v\u1ec1 an to\u00e0n m\u00e0 pin lithium-ion c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, ch\u00fang t\u00f4i \u0111\u00e3 thi\u1ebft k\u1ebf c\u00e1c b\u00e0i ki\u1ec3m tra an to\u00e0n nh\u01b0 \u0111\u00f9n, ch\u00e2m c\u1ee9u, ng\u1eafn m\u1ea1ch, s\u1ea1c qu\u00e1 m\u1ee9c v\u00e0 x\u1ea3 qu\u00e1 m\u1ee9c, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p. Trong s\u1ed1 nhi\u1ec1u b\u00e0i ki\u1ec3m tra an to\u00e0n, c\u00e1c b\u00e0i ki\u1ec3m tra \u0111\u00f9n, ch\u00e2m c\u1ee9u v\u00e0 ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i m\u00f4 ph\u1ecfng c\u00e1c m\u1ea1ch ng\u1eafn b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u1ee7a pin lithium-ion l\u00e0 th\u00f4ng th\u01b0\u1eddng nh\u1ea5t v\u00e0 kh\u00f3 v\u01b0\u1ee3t qua nh\u1ea5t. L\u00fd do ch\u00ednh l\u00e0 d\u00f2ng \u0111i\u1ec7n t\u1ee9c th\u1eddi trong hai b\u00e0i ki\u1ec3m tra an to\u00e0n qu\u00e1 l\u1edbn. Do tr\u1edf kh\u00e1ng \u00f4mi v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn \u0111\u01b0\u1ee3c t\u1ea1o ra trong pin lithium-ion trong m\u1ed9t kho\u1ea3ng th\u1eddi gian. B\u1ecb h\u1ea1n ch\u1ebf b\u1edfi c\u1ea5u tr\u00fac c\u1ee7a pin lithium-ion, l\u01b0\u1ee3ng nhi\u1ec7t n\u00e0y kh\u00f4ng th\u1ec3 khu\u1ebfch t\u00e1n nhanh ra b\u00ean ngo\u00e0i pin, d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin lithium-ion cao, d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e2n h\u1ee7y v\u00e0 \u0111\u1ed1t ch\u00e1y c\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao ngo\u00e0i t\u1ea7m ki\u1ec3m so\u00e1t.<\/span><\/span><\/p>\n

L\u1ea5y pin vu\u00f4ng th\u01b0\u1eddng d\u00f9ng trong xe \u0111i\u1ec7n l\u00e0m v\u00ed d\u1ee5, do thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u, t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t sinh ra \u1edf t\u1eebng b\u1ed9 ph\u1eadn c\u1ee7a pin l\u00e0 kh\u00e1c nhau, do \u0111\u00f3 s\u1ebd c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 r\u00f5 r\u00e0ng theo h\u01b0\u1edbng m\u1eb7t ph\u1eb3ng v\u00e0 h\u01b0\u1edbng \u0111\u1ed9 d\u00e0y c\u1ee7a pin. \u0110\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p d\u00f2ng \u0111i\u1ec7n cao, nhi\u1ec7t sinh ra trong pin, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf gi\u1eefa cell, kh\u00f4ng th\u1ec3 khu\u1ebfch t\u00e1n t\u1ed1t, do \u0111\u00f3, nhi\u1ec7t \u0111\u1ed9 b\u00ean trong cell s\u1ebd t\u0103ng \u0111\u1ed9t ng\u1ed9t, g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n.<\/span><\/span><\/p>\n

Th\u1eed nghi\u1ec7m \u00e9p<\/span><\/span><\/strong><\/a><\/span><\/h2>\n

Trong th\u1eed nghi\u1ec7m \u0111\u00f9n, v\u1edbi s\u1ef1 gia t\u0103ng m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a pin, c\u00e1c b\u1ed9 thu d\u00f2ng \u0111i\u1ec7n d\u01b0\u01a1ng v\u00e0 \u00e2m s\u1ebd b\u1ecb r\u00e1ch tr\u01b0\u1edbc, tr\u01b0\u1ee3t d\u1ecdc theo \u0111\u01b0\u1eddng h\u1ecfng 45 \u0111\u1ed9 v\u00e0 v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng c\u0169ng s\u1ebd b\u1ecb h\u1ecfng. N\u00f3 s\u1ebd \u0111i v\u00e0o \u0111\u01b0\u1eddng h\u1ecfng 45 \u0111\u1ed9. V\u1edbi s\u1ef1 gia t\u0103ng li\u00ean t\u1ee5c c\u1ee7a bi\u1ebfn d\u1ea1ng m\u00e0ng ng\u0103n, m\u00e0ng ng\u0103n cu\u1ed1i c\u00f9ng \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m h\u1ecfng, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ng\u1eafn m\u1ea1ch d\u01b0\u01a1ng v\u00e0 \u00e2m. Ng\u1eafn m\u1ea1ch d\u01b0\u01a1ng v\u00e0 \u00e2m do \u00e9p g\u00e2y ra ch\u1ee7 y\u1ebfu l\u00e0 ng\u1eafn m\u1ea1ch \u0111i\u1ec3m. Do \u0111\u00f3, m\u1ed9t d\u00f2ng \u0111i\u1ec7n r\u1ea5t l\u1edbn s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1ea1i \u0111i\u1ec3m ng\u1eafn m\u1ea1ch v\u00e0 nhi\u1ec7t s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng m\u1ea1nh m\u1ebd, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ea1i \u0111i\u1ec3m ng\u1eafn m\u1ea1ch t\u0103ng \u0111\u1ed9t ng\u1ed9t. Do \u0111\u00f3, r\u1ea5t d\u1ec5 g\u00e2y ra t\u00ecnh tr\u1ea1ng n\u00f3ng kh\u00f4ng ki\u1ec3m so\u00e1t.<\/span><\/span><\/p>\n

Th\u1eed nghi\u1ec7m \u0111\u00e2m xuy\u00ean<\/span><\/span><\/strong><\/a><\/span><\/h2>\n

Th\u00ed nghi\u1ec7m \u0111\u00e2m \u0111inh c\u0169ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 ph\u1ecfng hi\u1ec7n t\u01b0\u1ee3ng ng\u1eafn m\u1ea1ch trong c\u1ee7a pin lithium-ion. Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a n\u00f3 l\u00e0 s\u1eed d\u1ee5ng m\u1ed9t c\u00e2y kim kim lo\u1ea1i \u0111\u1ec3 t\u1eeb t\u1eeb \u0111\u00e2m v\u00e0o b\u00ean trong pin lithium-ion v\u1edbi m\u1ed9t t\u1ed1c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng ng\u1eafn m\u1ea1ch trong c\u1ee7a pin lithium-ion. L\u00fac n\u00e0y, n\u0103ng l\u01b0\u1ee3ng c\u1ee7a to\u00e0n b\u1ed9 pin lithium-ion \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng th\u00f4ng qua \u0111i\u1ec3m ng\u1eafn m\u1ea1ch. C\u00e1c nghi\u00ean c\u1ee9u c\u00f3 li\u00ean quan cho th\u1ea5y khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ng\u1eafn m\u1ea1ch trong, nhi\u1ec1u nh\u1ea5t l\u00e0 kho\u1ea3ng 70% n\u0103ng l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng th\u00f4ng qua \u0111i\u1ec3m ng\u1eafn m\u1ea1ch trong v\u00f2ng 60 gi\u00e2y v\u00e0 ph\u1ea7n nhi\u1ec7t n\u00e0y cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. Do nhi\u1ec7t sinh ra kh\u00f4ng th\u1ec3 khu\u1ebfch t\u00e1n k\u1ecbp th\u1eddi n\u00ean nhi\u1ec7t \u0111\u1ed9 t\u1ee9c th\u1eddi c\u1ee7a \u0111i\u1ec3m ng\u1eafn m\u1ea1ch c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi h\u01a1n 1000 \u2103, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng n\u00f3ng kh\u00f4ng ki\u1ec3m so\u00e1t.<\/span><\/span><\/p>\n

Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch ngo\u00e0i<\/span><\/span><\/strong><\/a><\/span><\/h2>\n

So v\u1edbi c\u00e1c th\u00ed nghi\u1ec7m \u0111\u00f9n v\u00e0 ch\u00e2m c\u1ee9u \u1edf tr\u00ean, th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9. Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i l\u00e0 k\u1ebft n\u1ed1i pin lithium-ion v\u1edbi \u0111i\u1ec7n tr\u1edf c\u1ed1 \u0111\u1ecbnh v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a pin lithium-ion \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng th\u00f4ng qua \u0111i\u1ec7n tr\u1edf. D\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t theo \u0111i\u1ec7n tr\u1edf c\u1ed1 \u0111\u1ecbnh, t\u1eeb h\u00e0ng ch\u1ee5c ampe \u0111\u1ebfn h\u00e0ng tr\u0103m ampe, th\u1eadm ch\u00ed h\u00e0ng ngh\u00ecn ampe. Do d\u00f2ng \u0111i\u1ec7n l\u1edbn, m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn s\u1ebd t\u00edch t\u1ee5 trong pin lithium-ion trong th\u1eddi gian ng\u1eafn, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng pin lithium-ion b\u1ecb m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t.<\/span><\/span><\/p>\n

C\u00f3 th\u1ec3 v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch hay kh\u00f4ng ch\u1ee7 y\u1ebfu b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch. D\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch c\u00e0ng l\u1edbn th\u00ec t\u1ed1c \u0111\u1ed9 sinh nhi\u1ec7t c\u1ee7a pin lithium-ion c\u00e0ng nhanh v\u00e0 t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t c\u1ee7a pin lithium-ion s\u1ebd kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec1u. Do \u0111\u00f3, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 pin lithium-ion s\u1ebd t\u00edch t\u1ee5 nhi\u1ec1u nhi\u1ec7t h\u01a1n v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u1ebd t\u0103ng nhi\u1ec1u h\u01a1n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 co l\u1ea1i c\u1ee7a m\u00e0ng ng\u0103n, c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng nh\u01b0 ng\u1eafn m\u1ea1ch \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u0111i\u1ec7n c\u1ef1c \u00e2m, d\u1eabn \u0111\u1ebfn s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion.<\/span><\/span><\/p>\n

<\/p>\n

Y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch c\u1ee7a pin lithium-ion l\u00e0 gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u1ee7a \u0111i\u1ec7n tr\u1edf ng\u1eafn m\u1ea1ch, ti\u1ebfp theo l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111i\u1ec7n tr\u1edf trong v\u00e0 tr\u1ea1ng th\u00e1i s\u1ea1c c\u1ee7a pin lithium-ion. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u1edf H\u00e0 Lan ph\u00e1t hi\u1ec7n ra r\u1eb1ng trong qu\u00e1 tr\u00ecnh ng\u1eafn m\u1ea1ch c\u1ee7a pin lithium-ion, s\u1ef1 thay \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c ph\u1ea7n sau v\u00e0 d\u00f2ng \u0111i\u1ec7n x\u1ea3 c\u1ee7a pin khu v\u1ef1c 1 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 274c, Ph\u1ea7n n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi s\u1ef1 ph\u00f3ng \u0111i\u1ec7n c\u1ee7a l\u1edbp k\u00e9p \u0111i\u1ec7n v\u00e0 l\u1edbp khu\u1ebfch t\u00e1n c\u1ee7a pin lithium-ion. \u1ede khu v\u1ef1c 2, t\u1ed1c \u0111\u1ed9 ph\u00f3ng \u0111i\u1ec7n c\u1ee7a pin lithium-ion c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 50-60c. Y\u1ebfu t\u1ed1 h\u1ea1n ch\u1ebf ch\u00ednh c\u1ee7a ph\u1ea7n d\u00f2ng \u0111i\u1ec7n n\u00e0y l\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n v\u1eadt li\u1ec7u. Do s\u1ef1 t\u00edch t\u1ee5 nhi\u1ec7t, s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf khu v\u1ef1c n\u00e0y. \u1ede khu v\u1ef1c 3, d\u00f2ng \u0111i\u1ec7n x\u1ea3 c\u1ee7a pin gi\u1ea3m d\u1ea7n khi l\u1ef1c truy\u1ec1n \u0111\u1ed9ng gi\u1ea3m.<\/span><\/span><\/p>\n

Nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd c\u0169ng ph\u00e1t hi\u1ec7n ra r\u1eb1ng y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa \u0111i\u1ec7n tr\u1edf ng\u1eafn m\u1ea1ch v\u00e0 \u0111i\u1ec7n tr\u1edf trong c\u1ee7a pin lithium-ion, th\u1eadm ch\u00ed c\u00f2n l\u1edbn h\u01a1n \u0111i\u1ec7n tr\u1edf trong c\u1ee7a pin lithium-ion v\u00e0 tr\u1ea1ng th\u00e1i s\u1ea1c c\u1ee7a pin. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u1ee7a \u0111i\u1ec7n tr\u1edf ng\u1eafn m\u1ea1ch c\u00e0ng g\u1ea7n v\u1edbi pin lithium-ion th\u00ec pin lithium-ion c\u00e0ng d\u1ec5 b\u1ecb m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t. Pin lithium-ion ch\u1ec9 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m an to\u00e0n ng\u1eafn m\u1ea1ch khi gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u1ee7a \u0111i\u1ec7n tr\u1edf ng\u1eafn m\u1ea1ch l\u1edbn h\u01a1n 9-12 l\u1ea7n \u0111i\u1ec7n tr\u1edf trong c\u1ee7a pin lithium-ion. Tr\u00ean th\u1ef1c t\u1ebf, kh\u00f4ng kh\u00f3 \u0111\u1ec3 hi\u1ec3u r\u1eb1ng trong qu\u00e1 tr\u00ecnh x\u1ea3 ng\u1eafn m\u1ea1ch, nhi\u1ec7t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi \u0111i\u1ec7n tr\u1edf ng\u1eafn m\u1ea1ch c\u1ee7a m\u1ea1ch ngo\u00e0i v\u00e0 \u0111i\u1ec7n tr\u1edf trong c\u1ee7a pin. Theo c\u00f4ng th\u1ee9c nhi\u1ec7t Joule P = I2R, khi d\u00f2ng \u0111i\u1ec7n nh\u01b0 nhau, c\u00f4ng su\u1ea5t l\u00e0m n\u00f3ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi ph\u1ea1m vi \u0111i\u1ec7n tr\u1edf. Khi n\u0103ng l\u01b0\u1ee3ng pin ch\u1eafc ch\u1eafn, b\u1ed9 ph\u1eadn c\u00f3 \u0111i\u1ec7n tr\u1edf l\u1edbn s\u1ebd t\u1ef1 nhi\u00ean sinh ra nhi\u1ec1u nhi\u1ec7t h\u01a1n.<\/span><\/span><\/p>\n

T\u1eeb ph\u00e2n t\u00edch tr\u00ean, kh\u00f4ng kh\u00f3 \u0111\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 ki\u1ec3m tra an to\u00e0n c\u1ee7a pin lithium-ion ch\u1ee7 y\u1ebfu l\u00e0 t\u1ed1c \u0111\u1ed9 sinh nhi\u1ec7t v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ea3n nhi\u1ec7t v\u1ec1 b\u1ea3n ch\u1ea5t. Gi\u1ea3m t\u1ed1c \u0111\u1ed9 sinh nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra an to\u00e0n b\u1eb1ng thi\u1ebft k\u1ebf b\u1ea3o v\u1ec7 an to\u00e0n ho\u1eb7c c\u1eaft d\u00f2ng \u0111i\u1ec7n v\u00e0 ng\u0103n ng\u1eeba vi\u1ec7c sinh nhi\u1ec7t li\u00ean t\u1ee5c n\u1ebfu c\u1ea7n c\u00f3 th\u1ec3 tr\u00e1nh hi\u1ec7u qu\u1ea3 t\u00ecnh tr\u1ea1ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion. Th\u1ee9 hai l\u00e0 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3n nhi\u1ec7t c\u1ee7a pin lithium-ion. B\u1eb1ng c\u00e1ch c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3n nhi\u1ec7t th\u00f4ng qua thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee7a pin lithium-ion, c\u00f3 th\u1ec3 tr\u00e1nh hi\u1ec7u qu\u1ea3 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin lithium-ion. \u0110\u1eb7c bi\u1ec7t \u1edf c\u1ea5p \u0111\u1ed9 c\u1ee5m pin, c\u1ea7n trang b\u1ecb c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n t\u1ea3n nhi\u1ec7t t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 t\u1ea3n nhi\u1ec7t nhanh trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a m\u1ed9t s\u1ed1 pin Lithium-Ion, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng x\u1ea3y ra ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n.<\/span><\/span><\/p>\n

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

S\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u c\u1ee7a ch\u00fang t\u00f4i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c l\u0129nh v\u1ef1c li\u00ean quan \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a t\u00ednh m\u1ea1ng v\u00e0 t\u00e0i s\u1ea3n c\u1ee7a ch\u00fang t\u00f4i, ch\u1eb3ng h\u1ea1n nh\u01b0 xe \u00f4 t\u00f4 ch\u1edf kh\u00e1ch. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion, m\u1ecdi ng\u01b0\u1eddi<\/p>\n","protected":false},"author":1,"featured_media":19925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19924","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\/19924","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=19924"}],"version-history":[{"count":4,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19924\/revisions"}],"predecessor-version":[{"id":22390,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19924\/revisions\/22390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19925"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}