{"id":19803,"date":"2022-09-08T07:17:53","date_gmt":"2022-09-08T07:17:53","guid":{"rendered":"http:\/\/dgbellvietnam.com\/battery-crush-and-nail-penetration-test\/"},"modified":"2024-10-24T20:24:08","modified_gmt":"2024-10-24T13:24:08","slug":"battery-crush-and-nail-penetration-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/battery-crush-and-nail-penetration-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m \u0111\u1ed9 nghi\u1ec1n pin v\u00e0 \u0111\u1ed9 xuy\u00ean \u0111inh"},"content":{"rendered":"
\n

V\u1edbi s\u1ed1 l\u01b0\u1ee3ng xe ng\u00e0y c\u00e0ng t\u0103ng tr\u00ean th\u1ebf gi\u1edbi, c\u00e1c v\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 thi\u1ebfu tr\u00e1ch nhi\u1ec7m \u0111\u1ed1i v\u1edbi t\u00e0i nguy\u00ean d\u1ea7u m\u1ecf \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean n\u1ed5i c\u1ed9m. V\u00ec nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng xanh, \u0111a d\u1ea1ng h\u00f3a c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng cao, t\u1ea5t c\u1ea3 c\u00e1c qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edbi \u0111ang t\u00edch c\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i xe \u0111i\u1ec7n c\u00f3 th\u1ec3 thay th\u1ebf c\u00e1c lo\u1ea1i xe truy\u1ec1n th\u1ed1ng. Hi\u1ec7n nay, pin \u0111i\u1ec7n cho xe \u0111i\u1ec7n bao g\u1ed3m pin axit ch\u00ec, pin lithium-ion v\u00e0 pin k\u1ebdm kh\u00f4ng kh\u00ed. Trong s\u1ed1 \u0111\u00f3, pin lithium-ion l\u00e0 lo\u1ea1i pin hi\u1ec7u su\u1ea5t cao m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 th\u01b0\u01a1ng m\u1ea1i h\u00f3a nhanh nh\u1ea5t. N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong pin \u0111i\u1ec7n cho xe \u0111i\u1ec7n v\u00ec \u0111i\u1ec7n \u00e1p cao, n\u0103ng l\u01b0\u1ee3ng ri\u00eang cao v\u00e0 hi\u1ec7u su\u1ea5t chu k\u1ef3 t\u1ed1t; Tuy nhi\u00ean, do c\u00e1c tai n\u1ea1n an to\u00e0n th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf n\u00ean v\u1ea5n \u0111\u1ec1 an to\u00e0n c\u1ee7a n\u00f3 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd nhi\u1ec1u h\u01a1n.<\/span><\/span><\/p>\n

Hi\u1ec7n nay, c\u00f3 hai d\u1ea1ng pin n\u0103ng l\u01b0\u1ee3ng. M\u1ed9t l\u00e0 pin dung l\u01b0\u1ee3ng nh\u1ecf \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i song song \u0111\u1ec3 t\u1ea1o th\u00e0nh pin dung l\u01b0\u1ee3ng l\u1edbn. \u01afu \u0111i\u1ec3m l\u00e0 d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u0111\u01a1n v\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t (cell \u0111\u01a1n) l\u00e0 nh\u1ecf. N\u1ebfu x\u1ea3y ra ch\u00e1y n\u1ed5, h\u1eadu qu\u1ea3 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9. N\u0103ng l\u01b0\u1ee3ng n\u1ed5 c\u1ee7a n\u00f3 s\u1ebd kh\u00f4ng g\u00e2y ra ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng kh\u00e1c s\u1ebd kh\u00f4ng ph\u00e1t n\u1ed5. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t qu\u00e1 l\u1edbn v\u00e0 kh\u00f3 qu\u1ea3n l\u00fd. Lo\u1ea1i c\u00f2n l\u1ea1i l\u00e0 pin nhi\u1ec1u l\u1edbp dung l\u01b0\u1ee3ng cao, c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 c\u1ea5u tr\u00fac nh\u1ecf g\u1ecdn, th\u1ec3 t\u00edch nh\u1ecf v\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111\u01a1n l\u1edbn v\u00e0 h\u1eadu qu\u1ea3 c\u1ee7a tai n\u1ea1n t\u01b0\u01a1ng \u0111\u1ed1i n\u1eb7ng. Theo h\u00ecnh th\u1ee9c \u0111\u00f3ng g\u00f3i c\u1ee7a n\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh “g\u00f3i m\u1ec1m” v\u00e0 “v\u1ecf c\u1ee9ng”. \u01afu \u0111i\u1ec3m c\u1ee7a “bao b\u00ec linh ho\u1ea1t” l\u00e0 trong tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec1u ki\u1ec7n b\u1ea5t th\u01b0\u1eddng, n\u00f3 s\u1ebd gi\u00e3n n\u1edf \u0111\u1ebfn m\u1ee9c bao b\u00ec b\u00ean ngo\u00e0i b\u1ecb v\u1ee1, kh\u00f4ng d\u1ec5 g\u00e2y ra tai n\u1ea1n nh\u01b0 n\u1ed5; nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 v\u1ecf y\u1ebfu. C\u00e1c v\u1eadt s\u1eafc nh\u1ecdn c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xuy\u00ean qua pin. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u201cv\u1ecf c\u1ee9ng\u201d l\u00e0 d\u1ec5 n\u1ed5 khi g\u1eb7p \u0111i\u1ec1u ki\u1ec7n b\u1ea5t th\u01b0\u1eddng so v\u1edbi \u201cg\u00f3i m\u1ec1m\u201d; \u01afu \u0111i\u1ec3m l\u00e0 v\u1ecf t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eafc ch\u1eafn, v\u1eadt s\u1eafc nh\u1ecdn kh\u00f4ng d\u1ec5 xuy\u00ean th\u1ee7ng, pin \u0111i\u1ec7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n.<\/span><\/span><\/p>\n

Ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh r\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m an to\u00e0n bao g\u1ed3m: x\u1ea3 qu\u00e1 m\u1ee9c, s\u1ea1c qu\u00e1 m\u1ee9c, \u0111o\u1ea3n m\u1ea1ch, r\u01a1i, gia nhi\u1ec7t, \u0111\u00f9n v\u00e0 ch\u00e2m c\u1ee9u. Sau m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c th\u1eed nghi\u1ec7m v\u00e0 th\u1ed1ng k\u00ea, t\u1ef7 l\u1ec7 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m an to\u00e0n c\u1ee7a pin c\u00f3 dung l\u01b0\u1ee3ng d\u01b0\u1edbi 30 Ah l\u00e0 cao v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u00ean 30 Ah ch\u1ee7 y\u1ebfu t\u1eadp trung \u1edf c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m nh\u01b0 \u0111o\u1ea3n m\u1ea1ch m\u00f4-\u0111un, \u0111\u00f9n m\u00f4-\u0111un, ch\u00e2m c\u1ee9u m\u00f4-\u0111un, v.v. Ngo\u00e0i c\u00e1c h\u1ea1ng m\u1ee5c ki\u1ec3m tra b\u1eaft bu\u1ed9c n\u00eau tr\u00ean, c\u00e1c doanh nghi\u1ec7p c\u0169ng c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ng\u00e2m R & D, th\u1eed nghi\u1ec7m ch\u00e1y, b\u1eafn, x\u1ea3 trong rung \u0111\u1ed9ng v\u00e0 c\u00e1c th\u1eed nghi\u1ec7m kh\u00e1c theo nhu c\u1ea7u s\u1ea3n ph\u1ea9m c\u1ee7a ri\u00eang m\u00ecnh.<\/span><\/span><\/p>\n

D\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c th\u1eed nghi\u1ec7m an to\u00e0n pin \u0111i\u1ec7n, qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m v\u00e0 k\u1ebft qu\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch v\u00e0 nghi\u00ean c\u1ee9u. C\u00e1c m\u1eabu th\u1eed nghi\u1ec7m bao g\u1ed3m monome v\u00e0 m\u00f4-\u0111un (n\u0103m ho\u1eb7c nhi\u1ec1u monome \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i theo chu\u1ed7i v\u00e0 m\u00f4-\u0111un \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u trong b\u00e0i b\u00e1o n\u00e0y bao g\u1ed3m n\u0103m monome n\u1ed1i ti\u1ebfp).<\/span><\/span><\/p>\n

1. <\/span><\/span>Th\u1eed nghi\u1ec7m \u0111\u1ed9 nghi\u1ec1n<\/span><\/span><\/a><\/strong><\/span><\/span><\/h1>\n

Y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n: th\u1eed nghi\u1ec7m \u0111\u00f9n bao g\u1ed3m \u0111\u00f9n \u0111\u01a1n v\u00e0 \u0111\u00f9n m\u00f4-\u0111un. \u0110\u00f9n \u0111\u01a1n y\u00eau c\u1ea7u \u00e1p l\u1ef1c ph\u1ea3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng vu\u00f4ng g\u00f3c v\u1edbi t\u1ea5m \u0111i\u1ec7n c\u1ef1c pin v\u00e0 di\u1ec7n t\u00edch \u0111\u1ea7u \u0111\u00f9n kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 20 cm cho \u0111\u1ebfn khi v\u1ecf pin b\u1ecb v\u1ee1 ho\u1eb7c ng\u1eafn m\u1ea1ch b\u00ean trong (\u0111i\u1ec7n \u00e1p pin tr\u1edf th\u00e0nh 0 V); Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u00f9n c\u00e1c \u00f4 pin, kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra n\u1ed5 v\u00e0 ch\u00e1y. \u0110\u00f9n m\u00f4-\u0111un y\u00eau c\u1ea7u \u00e1p l\u1ef1c ph\u1ea3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng s\u1eafp x\u1ebfp \u00f4 pin. \u0110\u1ea7u \u0111\u00f9n c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00f9n \u0111\u1ebfn 85% k\u00edch th\u01b0\u1edbc ban \u0111\u1ea7u c\u1ee7a m\u00f4-\u0111un pin trong 5 ph\u00fat v\u00e0 sau \u0111\u00f3 \u0111\u1ebfn 50% k\u00edch th\u01b0\u1edbc ban \u0111\u1ea7u c\u1ee7a m\u00f4-\u0111un pin. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u00f9n m\u00f4-\u0111un pin, kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra n\u1ed5 v\u00e0 ch\u00e1y.<\/span><\/span><\/p>\n

Ph\u00e2n t\u00edch v\u00e0 nghi\u00ean c\u1ee9u k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m: th\u1eed nghi\u1ec7m k\u1ebft th\u00fac khi cell pin b\u1ecb \u0111\u00f9n ra do v\u1ecf pin b\u1ecb v\u1ee1 ho\u1eb7c \u0111o\u1ea3n m\u1ea1ch b\u00ean trong. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, c\u00e1c thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t nh\u01b0 camera \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ecf pin c\u00f3 b\u1ecb v\u1ee1 kh\u00f4ng v\u00e0 thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111i\u1ec7n \u00e1p pin c\u00f3 ph\u1ea3i l\u00e0 0 V hay kh\u00f4ng. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i pin \u0111\u01a1n l\u1ebb s\u1ebd kh\u00f4ng ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda khi b\u1ecb b\u00f3p, v\u00e0 m\u1ed9t s\u1ed1 pin s\u1ebd b\u1ecb ch\u00e1y. C\u00e1c \u0111i\u1ec1u ki\u1ec7n cu\u1ed1i c\u00f9ng c\u1ee7a th\u1eed nghi\u1ec7m m\u00f4-\u0111un pin trong qu\u00e1 tr\u00ecnh \u0111\u00f9n t\u01b0\u01a1ng \u0111\u1ed1i kh\u1eafc nghi\u1ec7t. Trong qu\u00e1 tr\u00ecnh \u0111\u00f9n, m\u00f4-\u0111un pin b\u1ecb n\u00e9n \u1edf m\u1ed9t di\u1ec7n t\u00edch l\u1edbn, d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch di\u1ec7n t\u00edch l\u1edbn b\u00ean trong pin. M\u00f4-\u0111un pin \u0111i k\u00e8m v\u1edbi kh\u00f3i m\u1ea1nh, ch\u1ea5t \u0111i\u1ec7n ph\u00e2n b\u1ecb \u0111\u1ea9y ra kh\u1ecfi van an to\u00e0n, x\u1ea3y ra n\u1ed5 v\u00e0 ch\u00e1y. C\u00e1c m\u00f4-\u0111un pin kh\u00e1c nhau c\u00f3 c\u00e1c giai \u0111o\u1ea1n n\u1ed5 v\u00e0 ch\u00e1y kh\u00e1c nhau. \u1ede m\u1ed9t s\u1ed1 doanh nghi\u1ec7p, van an to\u00e0n c\u1ee7a pin \u0111\u01b0\u1ee3c \u0111\u1eb7t qu\u00e1 ch\u1eb7t. Khi m\u00f4-\u0111un pin b\u1ecb \u0111o\u1ea3n m\u1ea1ch, n\u00f3 kh\u00f4ng th\u1ec3 gi\u1ea3i ph\u00f3ng nhi\u1ec7t k\u1ecbp th\u1eddi, d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u0103ng nhanh v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng nhanh. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n g\u00e2y ra n\u1ed5 v\u00e0 ch\u00e1y pin.<\/span><\/span><\/p>\n

2. <\/span><\/span>Th\u1eed nghi\u1ec7m \u0111\u1ed9 \u0111\u00e2m xuy\u00ean<\/span><\/span><\/a><\/strong><\/span><\/span><\/h1>\n

Ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u: th\u1eed nghi\u1ec7m \u0111\u00e2m kim bao g\u1ed3m ch\u00e2m c\u1ee9u t\u1ebf b\u00e0o \u0111\u01a1n v\u00e0 ch\u00e2m c\u1ee9u m\u00f4-\u0111un. Kim \u0111\u01a1n ph\u1ea3i vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng c\u1ee7a t\u1ea5m pin, \u0111\u01b0\u1eddng k\u00ednh kim ph\u1ea3i l\u00e0 \u03a6 3 ~ 8 mm t\u1ed1c \u0111\u1ed9 10 ~ 40 mm \/ s, kim \u0111\u00e2m xuy\u00ean qua cell pin; Pin kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m ch\u00e2m kim. Ch\u00e2m kim c\u1ee7a m\u00f4-\u0111un pin ph\u1ea3i vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng c\u1ee7a t\u1ea5m \u0111i\u1ec7n c\u1ef1c pin, \u0111\u01b0\u1eddng k\u00ednh kim ph\u1ea3i l\u00e0 3 ~ 8 mm, t\u1ed1c \u0111\u1ed9 ph\u1ea3i l\u00e0 10 ~ 40 mm \/ s v\u00e0 m\u1ee9c \u0111\u1ed9 ch\u00e2m kim ph\u1ea3i xuy\u00ean qua \u00edt nh\u1ea5t ba cell pin: trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m ch\u00e2m kim c\u1ee7a m\u00f4-\u0111un pin, kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra n\u1ed5 v\u00e0 ch\u00e1y.<\/span><\/span><\/p>\n

Ph\u00e2n t\u00edch v\u00e0 nghi\u00ean c\u1ee9u k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m: \u0111\u01b0\u1eddng k\u00ednh \u0424 M\u1ed9t kim th\u00e9p 5 mm d\u00e0i 350 mm \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o pin v\u1edbi t\u1ed1c \u0111\u1ed9 20 mm \/ s. khi kim th\u00e9p \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o pin, c\u00f3 m\u1ed9t m\u1ea1ch ng\u1eafn b\u00ean trong pin v\u00e0 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kh\u00f3i v\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng t\u1eeb van an to\u00e0n v\u00e0 v\u1ecb tr\u00ed c\u1eafm kim. Nhi\u1ec7t gi\u1ea3i ph\u00f3ng s\u1ebd khi\u1ebfn v\u1ecf pin gi\u00e3n n\u1edf v\u00e0 bi\u1ebfn d\u1ea1ng, th\u1eadm ch\u00ed l\u00e0m tan ch\u1ea3y m\u1ed9t ph\u1ea7n v\u1ecf nh\u1ef1a. Do ch\u1ea5t \u0111i\u1ec7n ph\u00e2n b\u1ecb r\u00f2 r\u1ec9 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, nhi\u1ec7t b\u00ean trong sinh ra trong qu\u00e1 tr\u00ecnh ng\u1eafn m\u1ea1ch c\u1ee7a pin l\u00e0 c\u1ef1c k\u1ef3 cao, v\u00e0 ngay c\u1ea3 kim th\u00e9p \u0111\u00e2m th\u1ee7ng c\u0169ng s\u1ebd tan ch\u1ea3y. N\u1ebfu c\u1ea5p \u0111\u1ed9 ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho v\u1ecf kh\u00f4ng \u0111\u1ee7, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 ch\u00e1y v\u00e0 ng\u1ecdn l\u1eeda h\u1edf s\u1ebd \u0111\u1ed1t ch\u00e1y ch\u1ea5t \u0111i\u1ec7n ph\u00e2n \u0111\u1ec3 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam s\u1ef1 ch\u00e1y. Kh\u00f4ng th\u1ec3 r\u00fat pin ra ngay sau khi kim b\u1ecb \u0111\u1ee5c, v\u00e0 n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef trong pin. N\u1ebfu r\u00fat ra ngay l\u1eadp t\u1ee9c, kim s\u1ebd \u0111\u01b0\u1ee3c r\u00fat ra sau khi pin ph\u1ee5c h\u1ed3i nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng v\u00ec pin ph\u1ea3n \u1ee9ng d\u1eef d\u1ed9i v\u00e0 oxy \u0111i v\u00e0o n\u01a1i kim b\u1ecb \u0111\u1ee5c, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1ec5 g\u00e2y ra s\u1ef1 ch\u00e1y.<\/span><\/span><\/p>\n

Thi\u1ebft b\u1ecb xuy\u00ean th\u1ea5u c\u1ee7a c\u01a1 ch\u1ebf \u0111\u00e2m v\u00e0o pin t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi. Do tr\u1ea1ng th\u00e1i \u0111\u1eb7t pin trong th\u1eed nghi\u1ec7m kh\u00f4ng nh\u1ea5t qu\u00e1n v\u1edbi tr\u1ea1ng th\u00e1i t\u1ea3i th\u1ef1c t\u1ebf n\u00ean ti\u00eau chu\u1ea9n ch\u1ec9 quy \u0111\u1ecbnh ch\u00e2m c\u1ee9u t\u1ea5m c\u1ef1c d\u1ecdc, kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1eb7t. Ch\u00e2m c\u1ee9u ngang l\u00e0 tr\u1ea1ng th\u00e1i t\u1ea3i th\u1ef1c t\u1ebf. K\u1ebft qu\u1ea3 ch\u00e2m c\u1ee9u ngang v\u00e0 ch\u00e2m c\u1ee9u d\u1ecdc c\u00f3 nh\u1ea5t qu\u00e1n hay kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n r\u1ea5t nhi\u1ec1u th\u1eed nghi\u1ec7m \u0111\u1ec3 x\u00e1c minh. Khuy\u1ebfn ngh\u1ecb h\u01b0\u1edbng ch\u00e2m c\u1ee9u c\u1ee7a pin ph\u1ea3i nh\u1ea5t qu\u00e1n v\u1edbi tr\u1ea1ng th\u00e1i t\u1ea3i th\u1ef1c t\u1ebf.<\/span><\/span><\/p>\n

C\u00e1c th\u1eed nghi\u1ec7m an to\u00e0n n\u00eau tr\u00ean nh\u01b0 \u0111o\u1ea3n m\u1ea1ch, \u0111\u00f9n v\u00e0 ch\u00e2m c\u1ee9u ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ec3 m\u00f4 ph\u1ecfng t\u00ecnh hu\u1ed1ng c\u00f3 th\u1ec3 x\u1ea3y ra c\u1ee7a \u1eafc quy \u0111i\u1ec7n trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p b\u1ea5t th\u01b0\u1eddng nh\u01b0 tai n\u1ea1n \u00f4 t\u00f4 khi xe \u0111i\u1ec7n \u0111ang di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 cao. Hi\u1ec7n t\u1ea1i, \u1eafc quy \u0111i\u1ec7n trong xe \u0111i\u1ec7n \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u h\u1ed9p nh\u1ecf v\u00e0 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau c\u1ee7a xe. M\u1ed7i h\u1ed9p nh\u1ecf \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng d\u00e2y. \u0110\u1ec3 ng\u0103n ng\u1eeba \u0111o\u1ea3n m\u1ea1ch, c\u1ea7u ch\u00ec c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp gi\u1eefa m\u1ed9t s\u1ed1 nh\u00f3m \u1ee9ng d\u1ee5ng. H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd \u1eafc quy (BMS) thu th\u1eadp \u0111i\u1ec7n \u00e1p b\u1ea5t th\u01b0\u1eddng v\u00e0 c\u1ea3nh b\u00e1o ng\u01b0\u1eddi l\u00e1i xe b\u1eb1ng \u00e2m thanh v\u00e0 \u0111\u00e8n tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a xe \u0111i\u1ec7n. \u0110\u1ec3 ng\u0103n \u1eafc quy b\u1ecb \u00e9p trong qu\u00e1 tr\u00ecnh va ch\u1ea1m v\u00e0 l\u0103n b\u00e1nh c\u1ee7a xe, h\u1ed9p \u1eafc quy c\u1ea7n ph\u1ea3i ch\u1eafc ch\u1eafn v\u00e0 t\u1ea3n nhi\u1ec7t t\u1ed1t. \u0110\u1ed9 b\u1ec1n k\u1ebft c\u1ea5u c\u1ee7a th\u00e2n xe n\u01a1i l\u1eafp h\u1ed9p \u1eafc quy ph\u1ea3i cao ho\u1eb7c ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 \u0111\u1eb7c bi\u1ec7t.<\/span><\/span><\/p>\n

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V\u1edbi s\u1ed1 l\u01b0\u1ee3ng xe ng\u00e0y c\u00e0ng t\u0103ng tr\u00ean th\u1ebf gi\u1edbi, c\u00e1c v\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 thi\u1ebfu tr\u00e1ch nhi\u1ec7m \u0111\u1ed1i v\u1edbi t\u00e0i nguy\u00ean d\u1ea7u m\u1ecf \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean n\u1ed5i c\u1ed9m. V\u00ec nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng xanh, \u0111a d\u1ea1ng h\u00f3a c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t n\u0103ng<\/p>\n","protected":false},"author":1,"featured_media":19804,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19803","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\/19803","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=19803"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19803\/revisions"}],"predecessor-version":[{"id":22047,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19803\/revisions\/22047"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19804"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}