{"id":19614,"date":"2024-01-11T06:36:32","date_gmt":"2024-01-11T06:36:32","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-battery-pack-thermal-stability-test-part-1\/"},"modified":"2024-10-21T15:53:23","modified_gmt":"2024-10-21T08:53:23","slug":"lithium-battery-pack-thermal-stability-test-part-1","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-battery-pack-thermal-stability-test-part-1\/","title":{"rendered":"Th\u1eed nghi\u1ec7m \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a pack pin Lithium \u2013 Ph\u1ea7n 1"},"content":{"rendered":"
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K\u1ec3 t\u1eeb khi pin lithium-ion \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i, c\u00f4ng ngh\u1ec7 li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong xe \u0111i\u1ec7n, l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng, th\u00f4ng tin \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c, th\u00fac \u0111\u1ea9y m\u1ea1nh m\u1ebd s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a x\u00e3 h\u1ed9i lo\u00e0i ng\u01b0\u1eddi. Tuy nhi\u00ean, c\u00f9ng l\u00fac \u0111\u00f3, c\u00e1c h\u00ecnh th\u1ee9c <\/span>n\u1ed5 v\u00e0 ch\u00e1y<\/span><\/a> kh\u00e1c nhau \u0111\u00e3 x\u1ea3y ra, l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i v\u1ec1 t\u00ednh an to\u00e0n khi s\u1eed d\u1ee5ng pin lithium-ion. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u s\u00e2u r\u1ed9ng v\u1ec1 nguy c\u01a1 ch\u00e1y c\u1ee7a pin lithium-ion.<\/span><\/p>\n

Th\u00f4ng qua vi\u1ec7c ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m lan truy\u1ec1n qu\u00e1 tr\u00ecnh ch\u00e1y tr\u00ean c\u00e1c tr\u1ea1m s\u1ea1c v\u00e0 \u0111\u1ed5i pin xe \u0111i\u1ec7n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a c\u00e1c lo\u1ea1i pin lithium-ion kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c so s\u00e1nh v\u00e0 ph\u00e2n t\u00edch. Ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u lithium ba th\u00e0nh ph\u1ea7n th\u1ea5p h\u01a1n so v\u1edbi lithium s\u1eaft phosphate v\u00e0 lithium mangan oxit, v\u00e0 nhi\u1ec7t \u0111\u1ed9 ch\u00e1y c\u1ee7a ch\u00fang c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng \u0111\u1ea1t gi\u00e1 tr\u1ecb c\u1ef1c \u0111\u1ea1i trong th\u1eddi gian ng\u1eafn. Ngo\u00e0i ra, c\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng nguy c\u01a1 n\u1ed5 nhi\u1ec7t c\u1ee7a pin lithium-ion c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn tr\u1ea1ng th\u00e1i s\u1ea1c (SOC) c\u1ee7a pin v\u00e0 nguy c\u01a1 th\u01b0\u1eddng t\u0103ng l\u00ean khi SOC t\u0103ng.<\/span><\/p>\n

Trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng pin lithium, vi\u1ec7c v\u00f4 t\u00ecnh l\u00e0m n\u00f3ng c\u00f3 th\u1ec3 khi\u1ebfn pin ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng n\u00f3ng, g\u00e2y ra nguy c\u01a1 l\u1ea1m d\u1ee5ng nhi\u1ec7t. Th\u00ed nghi\u1ec7m cho th\u1ea5y nhi\u1ec7t \u0111\u1ed9 t\u1edbi h\u1ea1n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium l\u00e0 t\u1eeb 123,8 \u0111\u1ebfn 139,2 \u2103. Trong \u0111i\u1ec1u ki\u1ec7n qu\u00e1 nhi\u1ec7t, c\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u00ean trong pin lithium \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng k\u00edch ho\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c v\u1eadt li\u1ec7u pin, d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh gia nhi\u1ec7t b\u00ean trong nhanh ch\u00f3ng v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb t\u1edbi h\u1ea1n v\u00e0 g\u00e2y ra s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 \u0111\u00e1nh l\u1eeda pin. \u0110\u1ec3 m\u00f4 ph\u1ecfng m\u00f4i tr\u01b0\u1eddng qu\u00e1 nhi\u1ec7t, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 gia nhi\u1ec7t b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh m\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh l\u1ea1m d\u1ee5ng nhi\u1ec7t c\u1ee7a pin lithium.<\/span><\/p>\n

Tuy nhi\u00ean, t\u00e0i li\u1ec7u ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m <\/span>nhi\u1ec7t \u0111\u1ed9 t\u0103ng v\u1ecdt<\/span><\/a> v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ch\u00e1y c\u1ee7a t\u1eebng pin lithium-ion trong \u0111i\u1ec1u ki\u1ec7n qu\u00e1 nhi\u1ec7t, v\u00e0 v\u1eabn c\u00f2n thi\u1ebfu nghi\u00ean c\u1ee9u v\u1ec1 t\u00ecnh tr\u1ea1ng l\u1ea1m d\u1ee5ng nhi\u1ec7t c\u1ee7a c\u00e1c c\u1ee5m pin m\u00f4-\u0111un. B\u00e0i vi\u1ebft n\u00e0y s\u1eed d\u1ee5ng l\u00f2 s\u01b0\u1edfi \u0111\u1ec3 m\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh <\/span>l\u1ea1m d\u1ee5ng nhi\u1ec7t<\/span><\/a> c\u1ee7a c\u00e1c pin li\u1ec1n k\u1ec1 sau khi t\u00ecnh tr\u1ea1ng nhi\u1ec7t \u0111\u1ed9 t\u0103ng v\u1ecdt c\u1ee7a c\u1ee5m pin lithium 18650 ba th\u00e0nh ph\u1ea7n, ph\u00e2n t\u00edch \u0111\u1eb7c \u0111i\u1ec3m ch\u00e1y v\u00e0 h\u00e0nh vi ch\u00e1y c\u1ee7a c\u1ee5m pin lithium \u1edf c\u00e1c v\u1ecb tr\u00ed gia nhi\u1ec7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u00f4ng su\u1ea5t gia nhi\u1ec7t kh\u00e1c nhau, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p h\u01b0\u1edbng d\u1eabn l\u00fd thuy\u1ebft v\u00e0 h\u1ed7 tr\u1ee3 d\u1eef li\u1ec7u cho vi\u1ec7c s\u1eed d\u1ee5ng an to\u00e0n c\u1ee5m pin lithium ion 18650 ba th\u00e0nh ph\u1ea7n v\u00e0 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 ch\u1eefa ch\u00e1y hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

1 Chu\u1ea9n b\u1ecb ki\u1ec3m tra<\/span><\/strong><\/span><\/h1>\n

1.1 Lo\u1ea1i pin<\/span><\/span><\/h2>\n

B\u00e0i vi\u1ebft n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 pin lithium-ion ba th\u00e0nh ph\u1ea7n l\u00e0m \u0111\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u, c\u00f3 chi\u1ec1u d\u00e0i 240 mm, chi\u1ec1u r\u1ed9ng 220 mm, chi\u1ec1u cao 85 mm v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng 7 kg. \u0110i\u1ec7n \u00e1p c\u1ee7a b\u1ed9 pin trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng l\u00e0 48 V, v\u1edbi dung l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c l\u00e0 30 Ah. N\u00f3 bao g\u1ed3m 156 (12 x 13) cell pin 18650 ti\u00eau chu\u1ea9n, m\u1ed7i cell c\u00f3 chi\u1ec1u cao 65 mm v\u00e0 \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i \u0111a l\u00e0 18,4 mm. Tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m, h\u00e3y th\u00e1o bao b\u00ec b\u00ean ngo\u00e0i c\u1ee7a b\u1ed9 pin, v\u00ec n\u00f3 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ed1t ch\u00e1y pin lithium th\u00f4ng qua qu\u00e1 tr\u00ecnh gia nhi\u1ec7t b\u00ean ngo\u00e0i. Ngo\u00e0i ra, c\u00e1c m\u1ea1ch b\u00ean trong v\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin v\u1eabn kh\u00f4ng thay \u0111\u1ed5i v\u00e0 Tr\u1ea1ng th\u00e1i s\u1ea1c (SOC) c\u1ee7a pin l\u00e0 100%.<\/span><\/p>\n

1.2 B\u1ed1 c\u1ee5c b\u00e0i ki\u1ec3m tra<\/span><\/span><\/h2>\n

To\u00e0n b\u1ed9 th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong m\u1ed9t kh\u00f4ng gian h\u1ea1n ch\u1ebf h\u1eb9p, c\u00f3 chi\u1ec1u d\u00e0i 12 m\u00e9t, chi\u1ec1u r\u1ed9ng 2 m\u00e9t v\u00e0 chi\u1ec1u cao 2,4 m\u00e9t, nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 2. C\u00f3 c\u00e1c c\u1eeda \u1edf c\u1ea3 hai b\u00ean d\u1ecdc c\u1ee7a kh\u00f4ng gian h\u1ea1n ch\u1ebf, lu\u00f4n \u0111\u00f3ng trong su\u1ed1t qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/span><\/p>\n

C\u1eeda s\u1ed5 quan s\u00e1t d\u00e0i 1,2 m, cao 0,6 m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf gi\u1eefa b\u00ean h\u00f4ng, qu\u1ea1t h\u00fat kh\u00f3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf ph\u00eda tr\u00ean c\u1ee7a b\u1ee9c t\u01b0\u1eddng \u0111\u1ed1i di\u1ec7n \u0111\u1ec3 duy tr\u00ec th\u00f4ng gi\u00f3 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. T\u1ed5ng c\u1ed9ng c\u00f3 11 v\u00f2i phun s\u01b0\u01a1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean \u0111\u1ec9nh kh\u00f4ng gian h\u1ea1n ch\u1ebf, v\u1edbi kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c v\u00f2i phun l\u00e0 1 m, \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ch\u1eefa ch\u00e1y b\u1eb1ng s\u01b0\u01a1ng n\u01b0\u1edbc v\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 bi\u1ec7n ph\u00e1p ch\u1eefa ch\u00e1y d\u1ef1 ph\u00f2ng v\u00e0 l\u00e0m m\u00e1t \u0111\u1ec3 ng\u0103n ng\u1eeba ch\u00e1y kh\u00f4ng ki\u1ec3m so\u00e1t trong qu\u00e1 tr\u00ecnh h\u1ecfa ho\u1ea1n.<\/span><\/p>\n

\u0110\u1eb7t b\u1ed9 pin lithium n\u1eb1m ngang tr\u00ean gi\u00e1 \u0111\u1ee1 v\u1edbi c\u1ef1c d\u01b0\u01a1ng h\u01b0\u1edbng l\u00ean tr\u00ean. Gi\u00e1 \u0111\u1ee1 l\u00e0 c\u1ea5u tr\u00fac l\u01b0\u1edbi gi\u00fap l\u00e0m n\u00f3ng t\u1eeb \u0111\u00e1y pin. C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p l\u00e0m n\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1eed nghi\u1ec7m:<\/span><\/p>\n

(1) L\u00f2 nung n\u1eb1m \u1edf \u0111\u00e1y c\u1ee7a b\u1ed9 pin lithium, b\u1ec1 m\u1eb7t nung c\u1ee7a l\u00f2 \u0111i\u1ec7n c\u00e1ch b\u1ec1 m\u1eb7t \u0111\u00e1y c\u1ee7a pin 8 cm, li\u00ean t\u1ee5c nung n\u00f3ng \u0111i\u1ec7n c\u1ef1c \u00e2m \u1edf b\u1ec1 m\u1eb7t \u0111\u00e1y c\u1ee7a cell pin;<\/span><\/p>\n

(2) L\u00f2 s\u01b0\u1edfi \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf b\u00ean c\u1ea1nh pin lithium, c\u00e1ch nhau 8 cm, li\u00ean t\u1ee5c l\u00e0m n\u00f3ng b\u00ean c\u1ea1nh pin. B\u1ec1 m\u1eb7t l\u00e0m n\u00f3ng hi\u1ec7u qu\u1ea3 c\u1ee7a l\u00f2 s\u01b0\u1edfi \u0111i\u1ec7n d\u00e0i 12 cm, r\u1ed9ng 12 cm, di\u1ec7n t\u00edch 144 cm\u00b2\uff0c C\u00f4ng su\u1ea5t l\u00e0m n\u00f3ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb 0 \u0111\u1ebfn 2000 W.<\/span><\/p>\n

Qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ngu\u1ed3n nhi\u1ec7t b\u00ean ngo\u00e0i \u0111\u1ec3 l\u00e0m n\u00f3ng b\u1ed9 pin lithium v\u00e0 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00e1nh l\u1eeda l\u00e0 m\u1edf l\u00f2 \u0111i\u1ec7n \u0111\u1ec3 li\u00ean t\u1ee5c l\u00e0m n\u00f3ng cho \u0111\u1ebfn khi pin lithium b\u1eaft l\u1eeda, sau \u0111\u00f3 t\u1eaft ngu\u1ed3n v\u00e0 d\u1eebng qu\u00e1 tr\u00ecnh l\u00e0m n\u00f3ng.<\/span><\/p>\n

Trong th\u1eed nghi\u1ec7m, b\u1ed1n c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n b\u1ecdc th\u00e9p h\u00ecnh ch\u1eef K (T 1, T 2, T 3, T 4) \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed b\u00ean trong c\u1ee5m pin, c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 1 mm. C\u1eb7p nhi\u1ec7t \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf gi\u1eefa cell pin, c\u00e1ch \u0111\u00e1y 30 mm, \u0111\u1ec3 thu th\u1eadp c\u00e1c thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau c\u1ee7a c\u1ee5m pin. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh gia nhi\u1ec7t \u0111\u00e1y v\u00e0 gia nhi\u1ec7t b\u00ean h\u00f4ng, v\u1ecb tr\u00ed \u0111\u1eb7t c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n kh\u00f4ng gi\u1ed1ng nhau. Ngo\u00e0i ra, m\u1ed9t camera \u0111\u1ed9 n\u00e9t cao \u0111\u01b0\u1ee3c l\u1eafp \u1edf m\u1eb7t tr\u01b0\u1edbc \u0111\u1ec3 ghi l\u1ea1i qu\u00e1 tr\u00ecnh lan t\u1ecfa qu\u00e1 tr\u00ecnh ch\u00e1y c\u1ee7a c\u1ee5m pin.<\/span><\/p>\n

1.3 \u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/span><\/span><\/h2>\n

T\u1ed5ng c\u1ed9ng c\u00f3 5 th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh. Ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t cho th\u1eed nghi\u1ec7m 1-3 l\u00e0 gia nhi\u1ec7t d\u01b0\u1edbi, trong khi gia nhi\u1ec7t b\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho th\u1eed nghi\u1ec7m 4 v\u00e0 5, ch\u1ee7 y\u1ebfu \u0111\u1ec3 nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c v\u1ecb tr\u00ed gia nhi\u1ec7t kh\u00e1c nhau \u0111\u1ebfn \u0111\u1eb7c t\u00ednh lan truy\u1ec1n ch\u00e1y c\u1ee7a c\u1ee5m pin lithium. Tr\u00ean c\u01a1 s\u1edf n\u00e0y, m\u1ed9t b\u1ed9 th\u1eed nghi\u1ec7m ch\u1eefa ch\u00e1y, c\u1ee5 th\u1ec3 l\u00e0 th\u1eed nghi\u1ec7m 3, \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng s\u01b0\u01a1ng n\u01b0\u1edbc l\u00e0m ph\u01b0\u01a1ng ph\u00e1p ch\u1eefa ch\u00e1y. Th\u1eed nghi\u1ec7m 1 v\u00e0 2 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t d\u01b0\u1edbi. Ngo\u00e0i ra, th\u1eed nghi\u1ec7m 3 v\u00e0 5 c\u00f3 c\u00f4ng su\u1ea5t gia nhi\u1ec7t cao h\u01a1n 2 kW so v\u1edbi ba nh\u00f3m c\u00f2n l\u1ea1i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u nh\u1eefng thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9 b\u00ean trong v\u00e0 \u0111\u1eb7c t\u00ednh ch\u00e1y c\u1ee7a c\u1ee5m pin lithium trong \u0111i\u1ec1u ki\u1ec7n t\u0103ng c\u00f4ng su\u1ea5t ngu\u1ed3n nhi\u1ec7t b\u00ean ngo\u00e0i.<\/span><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

K\u1ec3 t\u1eeb khi pin lithium-ion \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i, c\u00f4ng ngh\u1ec7 li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong xe \u0111i\u1ec7n, l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng, th\u00f4ng tin \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c, th\u00fac \u0111\u1ea9y m\u1ea1nh m\u1ebd s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a x\u00e3 h\u1ed9i lo\u00e0i ng\u01b0\u1eddi. Tuy nhi\u00ean, c\u00f9ng l\u00fac \u0111\u00f3,<\/p>\n","protected":false},"author":1,"featured_media":19615,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19614","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\/19614","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=19614"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19614\/revisions"}],"predecessor-version":[{"id":21929,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19614\/revisions\/21929"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19615"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}