{"id":19942,"date":"2021-09-16T13:56:47","date_gmt":"2021-09-16T13:56:47","guid":{"rendered":"http:\/\/dgbellvietnam.com\/thermal-runaway-of-power-lithium-ion-battery\/"},"modified":"2024-11-15T14:50:13","modified_gmt":"2024-11-15T07:50:13","slug":"thermal-runaway-of-power-lithium-ion-battery","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/thermal-runaway-of-power-lithium-ion-battery\/","title":{"rendered":"Tho\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion"},"content":{"rendered":"
\n

S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Lithium trong qu\u00e1 tr\u00ecnh s\u1ea1c pin v\u00e0 ki\u1ec3m so\u00e1t s\u1ea1c nhanh<\/span><\/span><\/span><\/h1>\n

Qua th\u1eed nghi\u1ec7m, th\u1ea5y r\u1eb1ng s\u1ebd c\u00f3 s\u1ef1 k\u1ebft t\u1ee7a lithium r\u00f5 r\u00e0ng khi pin s\u1ea1c nhanh. Qua nghi\u00ean c\u1ee9u v\u1ec1 c\u01a1 ch\u1ebf ti\u1ebfn h\u00f3a c\u1ee7a lithium, th\u1ea5y r\u1eb1ng to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a lithium bao g\u1ed3m k\u1ebft t\u1ee7a lithium v\u00e0 nh\u00fang l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c \u00e2m trong qu\u00e1 tr\u00ecnh s\u1ea1c pin. Qu\u00e1 tr\u00ecnh k\u1ebft t\u1ee7a \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh sau khi \u0111i\u1ec7n c\u1ef1c \u00e2m c\u00f3 \u0111i\u1ec7n th\u1ebf b\u1eb1ng kh\u00f4ng. Sau khi pin ng\u1eebng s\u1ea1c, \u0111i\u1ec7n th\u1ebf s\u1ebd tr\u1edf l\u1ea1i tr\u00ean \u0111i\u1ec7n th\u1ebf b\u1eb1ng kh\u00f4ng. L\u00fac n\u00e0y, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c nh\u00fang l\u1ea1i. Sau \u0111\u00f3, t\u1ea5t c\u1ea3 lithium c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c s\u1ebd b\u1ecb h\u00f2a tan ho\u00e0n to\u00e0n v\u00e0 \u0111i\u1ec7n c\u1ef1c \u00e2m s\u1ebd kh\u00f4ng c\u00f2n ph\u1ea3n \u1ee9ng n\u1eefa.<\/span><\/span><\/p>\n

B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n s\u1ea1c \u0111\u1ec3 l\u00e0m cho hi\u1ec7u \u0111i\u1ec7n th\u1ebf g\u1ea7n b\u1eb1ng 0, c\u00f3 th\u1ec3 s\u1ea1c nhanh m\u00e0 kh\u00f4ng b\u1ecb k\u1ebft t\u1ee7a lithium.<\/span><\/span><\/p>\n

Ch\u1eadp m\u1ea1ch trong pin v\u00e0 qu\u1ea3n l\u00fd pin<\/span><\/span><\/span><\/h1>\n

\u0110o\u1ea3n m\u1ea1ch b\u00ean trong l\u00e0 m\u1ed9t li\u00ean k\u1ebft ph\u1ed5 bi\u1ebfn c\u1ee7a s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin. C\u00e1c lo\u1ea1i \u0111o\u1ea3n m\u1ea1ch b\u00ean trong kh\u00e1c nhau c\u00f3 th\u1ec3 x\u1ea3y ra v\u00ec nhi\u1ec1u l\u00fd do, bao g\u1ed3m bi\u1ebfn d\u1ea1ng c\u01a1 h\u1ecdc, \u0111\u00f9n, r\u00e1ch, v\u1ee1 m\u00e0ng ng\u0103n, qu\u00e1 t\u1ea3i v\u00e0 x\u1ea3, v\u00e0 qu\u00e1 nhi\u1ec7t c\u1ef1c \u0111\u1ed9. \u0110o\u1ea3n m\u1ea1ch b\u00ean trong nguy hi\u1ec3m h\u01a1n l\u00e0 \u0111o\u1ea3n m\u1ea1ch b\u00ean trong t\u1ef1 g\u00e2y ra, ch\u1eb3ng h\u1ea1n nh\u01b0 v\u1ee5 tai n\u1ea1n c\u1ee7a Boeing 787, x\u1ea3y ra do s\u1ef1 ph\u00e1t tri\u1ec3n t\u00edch l\u0169y c\u1ee7a t\u1ea1p ch\u1ea5t v\u00e0 c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t sau khi ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i.<\/span><\/span><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3 c\u00f3 th\u1ec3 t\u00e1i hi\u1ec7n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. C\u1ea7n ph\u00e1t tri\u1ec3n nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m thay th\u1ebf kh\u00e1c nhau. Ch\u00fang t\u00f4i \u0111\u00e3 ph\u00e1t minh ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m thay th\u1ebf m\u1edbi \u0111\u1ec3 m\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh ph\u00e1t hi\u1ec7n \u0111o\u1ea3n m\u1ea1ch b\u00ean trong. Ch\u00eca kh\u00f3a l\u00e0 c\u1ea5y gh\u00e9p ph\u1ea7n t\u1eed k\u00edch ho\u1ea1t \u0111o\u1ea3n m\u1ea1ch b\u00ean trong h\u1ee3p kim b\u1ed9 nh\u1edb \u0111\u1eb7c bi\u1ec7t c\u00f3 c\u1ea5u tr\u00fac gai v\u00e0o pin, t\u0103ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 l\u00e0m cho c\u1ea5u tr\u00fac gai nghi\u00eang l\u00ean v\u00e0 \u0111\u00e2m th\u1ee7ng m\u00e0ng ng\u0103n \u0111\u1ec3 m\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh \u0111o\u1ea3n m\u1ea1ch b\u00ean trong.<\/span><\/span><\/p>\n

Qua th\u1eed nghi\u1ec7m n\u00e0y, th\u1ea5y r\u1eb1ng c\u00e1c lo\u1ea1i ng\u1eafn m\u1ea1ch b\u00ean trong quan tr\u1ecdng bao g\u1ed3m nh\u00f4m \u0111\u1ed3ng, \u0111\u1ed3ng d\u01b0\u01a1ng, nh\u00f4m \u00e2m v\u00e0 m\u1ea1ch \u00e2m d\u01b0\u01a1ng. M\u1ed9t s\u1ed1 trong s\u1ed1 ch\u00fang ngay l\u1eadp t\u1ee9c m\u1ea5t ki\u1ec3m so\u00e1t, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u1ebfp x\u00fac gi\u1eefa nh\u00f4m v\u00e0 c\u1ef1c \u00e2m; Ti\u1ebfp x\u00fac gi\u1eefa c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m th\u01b0\u1eddng kh\u00f4ng g\u00e2y ra s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t; Nguy c\u01a1 ti\u1ebfp x\u00fac nh\u00f4m v\u00e0 \u0111\u1ed3ng c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i cao, nh\u01b0ng kh\u00f4ng nh\u1ea5t thi\u1ebft d\u1eabn \u0111\u1ebfn ng\u1eafn m\u1ea1ch b\u00ean trong ngay l\u1eadp t\u1ee9c.<\/span><\/span><\/p>\n

\u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t trong th\u1eed nghi\u1ec7m l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a v\u1ecb tr\u00ed ng\u1eafn m\u1ea1ch b\u00ean trong, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u1ea5m d\u1ee9t to\u00e0n b\u1ed9 ng\u1eafn m\u1ea1ch b\u00ean trong ho\u1eb7c ng\u1eafn m\u1ea1ch b\u00ean trong nghi\u00eam tr\u1ecdng h\u01a1n.<\/span><\/span><\/p>\n

Do \u0111\u00f3, c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c nhau \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y. Ch\u00fang t\u00f4i ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u00e0 t\u00f3m t\u1eaft to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh di\u1ec5n bi\u1ebfn c\u1ee7a ng\u1eafn m\u1ea1ch b\u00ean trong. Tr\u00ean c\u01a1 s\u1edf n\u00e0y, ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t r\u1eb1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, c\u1ea7n ph\u1ea3i ki\u1ec3m tra ng\u1eafn m\u1ea1ch b\u00ean trong \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u.<\/span><\/span><\/p>\n

M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean trong c\u1ee7a b\u1ed9 pin n\u1ed1i ti\u1ebfp, ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ea9n \u0111o\u00e1n d\u1ef1a tr\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 nh\u1ea5t qu\u00e1n.<\/span><\/span><\/p>\n

T\u1ea5t nhi\u00ean, ch\u1ec9 ki\u1ec3m tra ng\u1eafn m\u1ea1ch b\u00ean trong l\u00e0 kh\u00f4ng \u0111\u1ee7. Ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u1ea3nh b\u00e1o s\u1edbm v\u1ec1 ng\u1eafn m\u1ea1ch b\u00ean trong v\u00e0 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t b\u1eb1ng c\u00e1ch qu\u1ea3n l\u00fd to\u00e0n di\u1ec7n qu\u00e1 t\u1ea3i, qu\u00e1 x\u1ea3 v\u00e0 SOP. \u0110\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin th\u1ebf h\u1ec7 m\u1edbi, l\u00e0 \u01b0\u1edbc t\u00ednh tr\u1ea1ng th\u00e1i to\u00e0n di\u1ec7n v\u00e0 ki\u1ec3m tra l\u1ed7i v\u1edbi s\u1ef1 an to\u00e0n l\u00e0 c\u1ed1t l\u00f5i.<\/span><\/span><\/p>\n

S\u1ef1 tho\u00e1t nhi\u1ec7t v\u00e0 thi\u1ebft k\u1ebf nhi\u1ec7t c\u1ee7a cell \u0111\u01a1n<\/span><\/span><\/span><\/h1>\n

V\u1eadt li\u1ec7u m\u00e0ng ng\u0103n \u0111\u00e3 c\u00f3 nhi\u1ec1u thay \u0111\u1ed5i. T\u1eeb PE, PP, PE + g\u1ed1m \u0111\u1ebfn v\u1eadt nu\u00f4i, nhi\u1ec7t \u0111\u1ed9 ch\u1ecbu nhi\u1ec7t c\u1ee7a m\u00e0ng ng\u0103n \u0111\u00e3 r\u1ea5t cao, c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 300 \u2103; \u0110\u1ed3ng th\u1eddi, nhi\u1ec7t \u0111\u1ed9 gi\u1ea3i ph\u00f3ng oxy c\u1ee7a v\u1eadt li\u1ec7u cat\u1ed1t \u0111ang gi\u1ea3m d\u1ea7n t\u1eeb LFP ban \u0111\u1ea7u xu\u1ed1ng ncm111, ncm523, ncm622 v\u00e0 ncm811.<\/span><\/span><\/p>\n

V\u1edbi s\u1ef1 thay \u0111\u1ed5i c\u1ee7a hai c\u00f4ng ngh\u1ec7 n\u00e0y, c\u01a1 ch\u1ebf m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u0169ng \u0111ang thay \u0111\u1ed5i. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i pin ban \u0111\u1ea7u \u0111\u1ec1u m\u1ea5t ki\u1ec3m so\u00e1t do hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong quy m\u00f4 l\u1edbn do m\u00e0ng ng\u0103n s\u1ee5p \u0111\u1ed5, nh\u01b0ng c\u01a1 ch\u1ebf m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a m\u00e0ng ng\u0103n nhi\u1ec7t \u0111\u1ed9 cao hi\u1ec7n \u0111ang s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trang b\u1ecb pin lithium-ion c\u00f4ng su\u1ea5t d\u01b0\u01a1ng 811 \u0111\u00e3 thay \u0111\u1ed5i v\u00e0 vi\u1ec7c gi\u1ea3i ph\u00f3ng oxy c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u01a1ng \u0111\u00e3 tr\u1edf th\u00e0nh nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra nhi\u1ec7t m\u1ea5t ki\u1ec3m so\u00e1t.<\/span><\/span><\/p>\n

K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m cho th\u1ea5y n\u1ebfu m\u00e0ng ng\u0103n \u0111\u01b0\u1ee3c th\u00e1o ho\u00e0n to\u00e0n v\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n \u0111\u01b0\u1ee3c x\u1ea3 m\u00e0 kh\u00f4ng c\u00f3 m\u1ea1ch ng\u1eafn b\u00ean trong, th\u00ec v\u1eabn x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t. Khi b\u1ed9t d\u01b0\u01a1ng v\u00e0 b\u1ed9t \u00e2m \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn \u0111\u1ec3 ph\u00e1t hi\u1ec7n, s\u1ebd c\u00f3 m\u1ed9t \u0111\u1ec9nh t\u1ecfa nhi\u1ec7t d\u1eef d\u1ed9i.<\/span><\/span><\/p>\n

S\u1ef1 lan truy\u1ec1n nhi\u1ec7t v\u00e0 qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng pin<\/span><\/span><\/span><\/h1>\n

N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u01b0\u1edbc \u0111\u00f3 \u0111\u1ec1u kh\u00f4ng hi\u1ec7u qu\u1ea3, ch\u00fang ta n\u00ean xem x\u00e9t v\u1ea5n \u0111\u1ec1 theo g\u00f3c \u0111\u1ed9 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. V\u00ed d\u1ee5, n\u1ebfu va ch\u1ea1m m\u1ea1nh ho\u1eb7c khung g\u1ea7m b\u1ecb \u0111\u00e2m th\u1ee7ng b\u1edfi c\u00e1c v\u1eadt s\u1eafc nh\u1ecdn, hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t s\u1ebd x\u1ea3y ra theo th\u1eddi gian. Hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1t nhi\u1ec7t n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng.<\/span><\/span><\/p>\n

\u0110\u1ea7u ti\u00ean, qu\u00e1 tr\u00ecnh lan truy\u1ec1n m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 r\u00f5 r\u00e0ng l\u00e0 qu\u00e1 tr\u00ecnh m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t x\u1ea3y ra t\u1eebng c\u00e1i m\u1ed9t.<\/span><\/span><\/p>\n

Th\u1ee9 hai, ph\u00e1t hi\u1ec7n s\u1ef1 lan truy\u1ec1n nhi\u1ec7t c\u1ee7a c\u00e1c m\u00f4-\u0111un pin song song v\u00e0 t\u00ecm th\u1ea5y \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t c\u1ee7a s\u1ef1 lan truy\u1ec1n nhi\u1ec7t m\u1ea5t ki\u1ec3m so\u00e1t c\u1ee7a c\u00e1c m\u00f4-\u0111un song song, \u0111\u00f3 l\u00e0 s\u1ef1 s\u1ee5t gi\u1ea3m \u0111i\u1ec7n \u00e1p h\u00ecnh ch\u1eef V nhi\u1ec1u giai \u0111o\u1ea1n; Khi m\u00f4-\u0111un pin c\u1ee7a xe th\u1ef1c t\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf, s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t m\u1ea5t ki\u1ec3m so\u00e1t c\u00f3 th\u1ec3 bi\u1ec3u hi\u1ec7n hi\u1ec7u \u1ee9ng t\u0103ng t\u1ed1c trong m\u00f4-\u0111un pin v\u00e0 cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn ch\u00e1y v\u00e0 n\u1ed5 d\u1eef d\u1ed9i to\u00e0n b\u1ed9 m\u00f4-\u0111un.<\/span><\/span><\/p>\n

Th\u1ee9 ba, ph\u00e1t hi\u1ec7n ra \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a van phun nhi\u1ec7t \u0111\u1ed9 cao. Trong bom \u0111\u1ed1t th\u1ec3 t\u00edch kh\u00f4ng \u0111\u1ed5i kh\u00e9p k\u00edn, to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh phun nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c ghi l\u1ea1i b\u1eb1ng camera t\u1ed1c \u0111\u1ed9 cao. T\u1eeb ph\u00e1t hi\u1ec7n, th\u1ea5y r\u1eb1ng d\u00f2ng phun tr\u00e0o c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 c\u00f9ng t\u1ed3n t\u1ea1i ba pha kh\u00ed l\u1ecfng r\u1eafn, trong \u0111\u00f3 t\u1ed1c \u0111\u1ed9 phun tr\u00e0o kh\u00ed cao t\u1edbi 137m\/s.<\/span><\/span><\/p>\n

Tr\u00ean c\u01a1 s\u1edf n\u00e0y, ti\u1ebfn h\u00e0nh thi\u1ebft k\u1ebf ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n nhi\u1ec7t, bao g\u1ed3m thi\u1ebft k\u1ebf c\u00e1ch nhi\u1ec7t v\u00e0 thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t. Thi\u1ebft k\u1ebf c\u00e1ch nhi\u1ec7t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t kh\u00e1c nhau \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ef1 lan truy\u1ec1n nhi\u1ec7t c\u1ee7a c\u00e1c m\u00f4-\u0111un v\u00e0 thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t l\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c lu\u1ed3ng l\u00e0m m\u00e1t ch\u1ea5t l\u1ecfng kh\u00e1c nhau.<\/span><\/span><\/p>\n

Trong h\u1ec7 th\u1ed1ng pin th\u00f4ng th\u01b0\u1eddng, c\u00e1ch nhi\u1ec7t v\u00e0 t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 x\u1eed l\u00fd ri\u00eang qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t, nh\u01b0ng trong h\u1ec7 th\u1ed1ng pin m\u1edbi, c\u00e1ch nhi\u1ec7t v\u00e0 t\u1ea3n nhi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u1ec3 \u1ee9c ch\u1ebf s\u1ef1 truy\u1ec1n nhi\u1ec7t, \u0111\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u1eddng l\u1eeda.<\/span><\/span><\/p>\n

C\u00f4ng ngh\u1ec7 t\u1ea3n nhi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. Hi\u1ec7n t\u1ea1i, tr\u00ean th\u1ebf gi\u1edbi ch\u01b0a c\u00f3 ti\u00eau chu\u1ea9n t\u1ea3n nhi\u1ec7t th\u1ed1ng nh\u1ea5t. Trung Qu\u1ed1c s\u1ebd s\u1edbm \u0111\u01b0a ra ti\u00eau chu\u1ea9n t\u1ea3n nhi\u1ec7t. T\u1ea3n nhi\u1ec7t l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn tai n\u1ea1n an to\u00e0n. Ch\u00fang ta ph\u1ea3i ch\u0103m s\u00f3c t\u1ed1t tuy\u1ebfn ph\u00f2ng th\u1ee7 cu\u1ed1i c\u00f9ng n\u00e0y v\u00e0 n\u1ed7 l\u1ef1c qu\u1ea3ng b\u00e1 kinh nghi\u1ec7m c\u00f3 li\u00ean quan c\u1ee7a Trung Qu\u1ed1c ra th\u1ebf gi\u1edbi v\u00e0 tr\u1edf th\u00e0nh lu\u1eadt v\u00e0 quy \u0111\u1ecbnh to\u00e0n c\u1ea7u.<\/span><\/span><\/p>\n

DGBELL \u0111\u00e3 nghi\u00ean c\u1ee9u bu\u1ed3ng th\u1eed pin trong h\u01a1n 15 n\u0103m v\u00e0 c\u00f3 v\u00f4 s\u1ed1 kinh nghi\u1ec7m trong ng\u00e0nh. <\/span><\/span>M\u00e1y th\u1eed \u0111\u1ed9 tho\u00e1t nhi\u1ec7t<\/span><\/span><\/a> cho pin lithium-ion ch\u1ec9 l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh theo s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i s\u1ebd \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a b\u1ea1n v\u00e0 ch\u1ec9 c\u1ea7n cho ch\u00fang t\u00f4i bi\u1ebft.<\/span><\/span><\/p>\n

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

S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Lithium trong qu\u00e1 tr\u00ecnh s\u1ea1c pin v\u00e0 ki\u1ec3m so\u00e1t s\u1ea1c nhanh Qua th\u1eed nghi\u1ec7m, th\u1ea5y r\u1eb1ng s\u1ebd c\u00f3 s\u1ef1 k\u1ebft t\u1ee7a lithium r\u00f5 r\u00e0ng khi pin s\u1ea1c nhanh. Qua nghi\u00ean c\u1ee9u v\u1ec1 c\u01a1 ch\u1ebf ti\u1ebfn h\u00f3a c\u1ee7a lithium, th\u1ea5y r\u1eb1ng to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a lithium bao g\u1ed3m k\u1ebft<\/p>\n","protected":false},"author":1,"featured_media":19943,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19942","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\/19942","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=19942"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19942\/revisions"}],"predecessor-version":[{"id":22402,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19942\/revisions\/22402"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19943"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}