{"id":19656,"date":"2023-09-14T02:54:45","date_gmt":"2023-09-14T02:54:45","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-ion-power-battery-cycling-and-vibration-test-part-2\/"},"modified":"2024-10-21T16:38:41","modified_gmt":"2024-10-21T09:38:41","slug":"lithium-ion-power-battery-cycling-and-vibration-test-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-ion-power-battery-cycling-and-vibration-test-part-2\/","title":{"rendered":"Th\u1eed nghi\u1ec7m chu k\u1ef3 v\u00e0 \u0111\u1ed9 rung pin Lithium ion \u2013 Ph\u1ea7n 2"},"content":{"rendered":"
\n

2.2 Th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n c\u1ee7a m\u1eabu<\/span><\/span><\/strong><\/span><\/h2>\n

\u1ede nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (25 \u00b1 2) \u2103, c\u00e1c m\u1eabu m\u00f4-\u0111un pin \u0111\u00e3 tr\u1ea3i qua th\u1eed nghi\u1ec7m chu k\u1ef3 s\u1ea1c v\u00e0 x\u1ea3 0,5 C b\u1eb1ng h\u1ec7 th\u1ed1ng s\u1ea1c \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i (CC-CV) v\u00e0 h\u1ec7 th\u1ed1ng x\u1ea3 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i. B\u1ed9 pin \u0111\u00e3 tr\u1ea3i qua th\u1eed nghi\u1ec7m chu k\u1ef3 tr\u00ean m\u00e1y th\u1eed \u0111a k\u00eanh.<\/span><\/span><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed1i v\u1edbi m\u1eabu A v\u00e0 B: \u0110\u1ea7u ti\u00ean, s\u1ea1c \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i t\u1eeb 1,5 A \u0111\u1ebfn 4,2 V (m\u1ed9t trong c\u00e1c monome c\u00f3 \u0111i\u1ec7n \u00e1p l\u1edbn h\u01a1n 4,2 V), sau \u0111\u00f3 s\u1ea1c \u1edf \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i 4,2 V cho \u0111\u1ebfn khi d\u00f2ng \u0111i\u1ec7n nh\u1ecf h\u01a1n 2,12 A v\u00e0 \u0111\u1ec3 y\u00ean trong 5 ph\u00fat. X\u1ea3 \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1,5 A m\u1ed9t l\u1ea7n n\u1eefa cho \u0111\u1ebfn khi \u0111i\u1ec7n \u00e1p k\u1ebft th\u00fac l\u00e0 2,8 V (\u0111i\u1ec7n \u00e1p c\u1ee7a m\u1ed9t cell nh\u1ecf h\u01a1n 2,8 V), v\u00e0 s\u1ea1c v\u00e0 x\u1ea3 trong chu k\u1ef3 n\u00e0y trong 200 l\u1ea7n.<\/span><\/span><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed1i v\u1edbi m\u1eabu C: \u0110\u1ea7u ti\u00ean, s\u1ea1c \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1,5 A \u0111\u1ebfn 16,769 V, sau \u0111\u00f3 s\u1ea1c \u1edf \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i 17,769 V cho \u0111\u1ebfn khi d\u00f2ng \u0111i\u1ec7n nh\u1ecf h\u01a1n 3,47 A v\u00e0 gi\u1eef nguy\u00ean trong 5 ph\u00fat. X\u1ea3 \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1,5 A m\u1ed9t l\u1ea7n n\u1eefa cho \u0111\u1ebfn khi \u0111i\u1ec7n \u00e1p k\u1ebft th\u00fac l\u00e0 2,5 V (\u0111i\u1ec7n \u00e1p c\u1ee7a m\u1ed9t cell nh\u1ecf h\u01a1n 2,5 V), v\u00e0 s\u1ea1c v\u00e0 x\u1ea3 trong chu k\u1ef3 n\u00e0y trong 200 l\u1ea7n.<\/span><\/span><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed1i v\u1edbi m\u1eabu D: \u0110\u1ea7u ti\u00ean, s\u1ea1c \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1,5 A \u0111\u1ebfn 14,616 V, sau \u0111\u00f3 s\u1ea1c \u1edf \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i 14,616 V cho \u0111\u1ebfn khi d\u00f2ng \u0111i\u1ec7n nh\u1ecf h\u01a1n 4,3 A v\u00e0 \u0111\u1ec3 y\u00ean trong 5 ph\u00fat. X\u1ea3 \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1,5 A m\u1ed9t l\u1ea7n n\u1eefa cho \u0111\u1ebfn khi \u0111i\u1ec7n \u00e1p k\u1ebft th\u00fac l\u00e0 2,5 V (\u0111i\u1ec7n \u00e1p c\u1ee7a m\u1ed9t cell nh\u1ecf h\u01a1n 2,5 V), v\u00e0 s\u1ea1c v\u00e0 x\u1ea3 trong chu k\u1ef3 n\u00e0y trong 200 l\u1ea7n.<\/span><\/span><\/p>\n

2.3 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n <\/span><\/span>rung<\/span><\/span><\/a> c\u1ee7a m\u1eabu<\/span><\/span><\/strong><\/span><\/h2>\n

\u1ede nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (25 \u00b1 2) \u2103, hi\u1ec7u su\u1ea5t ch\u1ed1ng rung c\u1ee7a m\u1eabu m\u00f4-\u0111un pin \u0111\u01b0\u1ee3c ki\u1ec3m tra. Ki\u1ec3m tra ch\u1ed1ng rung c\u1ee7a pin \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean b\u0103ng gh\u1ebf th\u1eed rung v\u00e0 quy tr\u00ecnh ki\u1ec3m tra nh\u01b0 sau:<\/span><\/span><\/p>\n

(1) \u1ede nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (20 \u00b1 5) \u2103, m\u00f4-\u0111un pin \u0111\u01b0\u1ee3c x\u1ea3 \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1,5 A \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n ng\u1eaft x\u1ea3 do nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ec9 \u0111\u1ecbnh. \u1ede nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (20+5) \u2103, m\u00f4-\u0111un pin \u0111\u01b0\u1ee3c s\u1ea1c \u1edf 1,5 A cho \u0111\u1ebfn khi \u0111i\u1ec7n \u00e1p \u0111\u1ea7u cu\u1ed1i \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n ng\u1eaft s\u1ea1c do nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ec9 \u0111\u1ecbnh v\u00e0 qu\u00e1 tr\u00ecnh s\u1ea1c d\u1eebng l\u1ea1i.<\/span><\/span><\/p>\n

(2) C\u1ed1 \u0111\u1ecbnh m\u00f4-\u0111un pin v\u00e0o b\u0103ng gh\u1ebf th\u1eed nghi\u1ec7m rung v\u00e0 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m rung t\u1ea7n s\u1ed1 qu\u00e9t tuy\u1ebfn t\u00ednh theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau: d\u00f2ng \u0111i\u1ec7n x\u1ea3: 1 A; H\u01b0\u1edbng rung: rung \u0111\u01a1n l\u00ean v\u00e0 xu\u1ed1ng; T\u1ea7n s\u1ed1 rung: 10~55Hz; Gia t\u1ed1c t\u1ed1i \u0111a: 30m\/s; Chu k\u1ef3 qu\u00e9t: 10 l\u1ea7n; Th\u1eddi gian rung: 2 gi\u1edd.<\/span><\/span><\/p>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m rung, kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n x\u1ea3 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t, \u0111i\u1ec7n \u00e1p b\u1ea5t th\u01b0\u1eddng, v\u1ecf \u1eafc quy bi\u1ebfn d\u1ea1ng, tr\u00e0n ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, v.v. K\u1ebft n\u1ed1i ph\u1ea3i \u0111\u00e1ng tin c\u1eady v\u00e0 c\u1ea5u tr\u00fac ph\u1ea3i nguy\u00ean v\u1eb9n. Kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p n\u1edbi l\u1ecfng l\u1eafp \u0111\u1eb7t.<\/span><\/span><\/p>\n

(3) SBM (M\u00e1y ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf b\u00ean trong AC) ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf b\u00ean trong.<\/span><\/span><\/p>\n

(4) L\u1eb7p l\u1ea1i c\u00e1c b\u01b0\u1edbc (1), (2) v\u00e0 (3) t\u1ed5ng c\u1ed9ng 4 l\u1ea7n.<\/span><\/span><\/p>\n

3 K\u1ebft qu\u1ea3 v\u00e0 th\u1ea3o lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n

3.1 K\u1ebft qu\u1ea3 v\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 th\u1eed nghi\u1ec7m v\u00f2ng \u0111\u1eddi<\/span><\/span><\/strong><\/span><\/h2>\n

\u0110i\u1ec7n \u00e1p s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a m\u1eabu A, B v\u00e0 C l\u00e0 2,8~4,1V, trong khi \u0111i\u1ec7n \u00e1p s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a m\u1eabu D l\u00e0 2,5~3,65 V. C\u1ea3 b\u1ed1n m\u1eabu \u0111\u1ec1u th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t.<\/span><\/span><\/p>\n

Dung l\u01b0\u1ee3ng x\u1ea3 ban \u0111\u1ea7u c\u1ee7a m\u1eabu A l\u00e0 40,562 Ah. Sau 100 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 l\u00e0 39,759 Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 98,02%, cho th\u1ea5y hi\u1ec7u su\u1ea5t chu k\u1ef3 t\u1ed1t. Sau 200 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 v\u1eabn cao t\u1edbi 39,309 Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 96,91%, cho th\u1ea5y hi\u1ec7u su\u1ea5t chu k\u1ef3 t\u1ed1t.<\/span><\/span><\/p>\n

Dung l\u01b0\u1ee3ng x\u1ea3 ban \u0111\u1ea7u c\u1ee7a m\u1eabu B l\u00e0 68,838 Ah. Sau 100 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 l\u00e0 68,402 Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 99,37%, cho th\u1ea5y hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t. Sau 200 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 v\u1eabn cao t\u1edbi 67,789 Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 98,48%, cho th\u1ea5y hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t.<\/span><\/span><\/p>\n

Dung l\u01b0\u1ee3ng x\u1ea3 ban \u0111\u1ea7u c\u1ee7a m\u1eabu C l\u00e0 2,013 Ah. Sau 100 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 l\u00e0 1,946 Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 96,67%, cho th\u1ea5y hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t. Sau 200 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 v\u1eabn cao t\u1edbi 1,862 Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 92,50%, cho th\u1ea5y hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t.<\/span><\/span><\/p>\n

Dung l\u01b0\u1ee3ng x\u1ea3 ban \u0111\u1ea7u c\u1ee7a m\u1eabu D l\u00e0 82,601Ah. Sau 100 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 v\u1eabn \u0111\u1ea1t 81,575Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 98,76%, cho th\u1ea5y hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t. Sau 200 chu k\u1ef3, dung l\u01b0\u1ee3ng x\u1ea3 v\u1eabn \u0111\u1ea1t 80,716Ah v\u1edbi t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 97,72%, cho th\u1ea5y hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n t\u1ed1t.<\/span><\/span><\/p>\n

Qua so s\u00e1nh, c\u00f3 th\u1ec3 th\u1ea5y sau 200 chu k\u1ef3, m\u1eabu B c\u00f3 t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng cao nh\u1ea5t l\u00e0 98,48%. Ti\u1ebfp theo l\u00e0 m\u1eabu D v\u00e0 m\u1eabu A. M\u1eabu C c\u00f3 t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng th\u1ea5p nh\u1ea5t, ch\u1ec9 \u0111\u1ea1t 92,50%.<\/span><\/span><\/p>\n

3.2 K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng rung v\u00e0 th\u1ea3o lu\u1eadn<\/span><\/span><\/strong><\/span><\/h2>\n

\u0110i\u1ec7n tr\u1edf trong ban \u0111\u1ea7u c\u1ee7a b\u1ed1n m\u1eabu l\u1ea7n l\u01b0\u1ee3t l\u00e0 2,324, 1,53, 66 v\u00e0 1,9 m\u03a9.<\/span><\/span><\/p>\n

Khi s\u1ed1 l\u1ea7n rung \u0111\u1ed9ng t\u0103ng l\u00ean, \u0111i\u1ec7n tr\u1edf trong c\u1ee7a m\u1eabu A \u0111\u1ea7u ti\u00ean gi\u1ea3m d\u1ea7n r\u1ed3i t\u0103ng d\u1ea7n, trong khi \u0111i\u1ec7n tr\u1edf trong c\u1ee7a m\u1eabu B t\u0103ng d\u1ea7n. S\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf trong c\u1ee7a m\u1eabu C kh\u00f4ng r\u00f5 r\u00e0ng l\u1eafm, trong khi \u0111i\u1ec7n tr\u1edf trong c\u1ee7a m\u1eabu D \u0111\u1ea7u ti\u00ean gi\u1ea3m d\u1ea7n r\u1ed3i t\u0103ng d\u1ea7n.<\/span><\/span><\/p>\n

C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng sau chu k\u1ef3 s\u1ea1c v\u00e0 x\u1ea3, \u0111i\u1ec7n tr\u1edf trong c\u1ee7a pin s\u1ebd gi\u1ea3m nh\u1eb9. \u0110i\u1ec1u n\u00e0y l\u00e0 do rung \u0111\u1ed9ng kh\u00f4ng ch\u1ec9 khi\u1ebfn b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i c\u1ee7a pin b\u1ecb l\u1ecfng m\u00e0 c\u00f2n l\u00e0m t\u0103ng \u0111i\u1ec7n tr\u1edf ph\u00e2n c\u1ef1c c\u1ee7a pin. Sau l\u1ea7n rung \u0111\u1ed9ng th\u1ee9 n\u0103m, \u0111\u1ed9 tin c\u1eady k\u1ebft n\u1ed1i c\u1ee7a m\u1eabu D l\u00e0 k\u00e9m nh\u1ea5t, ti\u1ebfp theo l\u00e0 m\u1eabu A v\u00e0 \u0111\u1ed9 tin c\u1eady k\u1ebft n\u1ed1i c\u1ee7a m\u1eabu B v\u00e0 C t\u1ed1t h\u01a1n. M\u1eabu B v\u00e0 C l\u00e0 c\u00e1c cell h\u00ecnh tr\u1ee5 c\u00f3 dung l\u01b0\u1ee3ng nh\u1ecf. M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p nh\u00f3m ph\u1ee9c t\u1ea1p h\u01a1n, nh\u01b0ng n\u1ebfu quy tr\u00ecnh h\u00e0n \u0111\u00e1ng tin c\u1eady th\u00ec \u0111\u1ed9 tin c\u1eady k\u1ebft n\u1ed1i c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o.<\/span><\/span><\/p>\n

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

Th\u00f4ng qua ph\u00e2n t\u00edch l\u00fd thuy\u1ebft v\u1ec1 pin \u0111i\u1ec7n lithium-ion h\u00ecnh tr\u1ee5 dung l\u01b0\u1ee3ng nh\u1ecf, ng\u01b0\u1eddi ta x\u00e1c \u0111\u1ecbnh r\u1eb1ng ch\u00fang c\u00f3 \u0111\u1eb7c t\u00ednh t\u1ed1t. B\u1ed1n m\u1eabu m\u00f4-\u0111un pin \u0111i\u1ec7n lithium-ion \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 hi\u1ec7u su\u1ea5t chu k\u1ef3 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng rung c\u1ee7a ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m cho th\u1ea5y sau 200 chu k\u1ef3 s\u1ea1c v\u00e0 x\u1ea3, dung l\u01b0\u1ee3ng x\u1ea3 c\u1ee7a m\u1eabu B l\u00e0 67,789 Ah v\u00e0 t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng l\u00e0 98,48%. \u0110\u1ed9 tin c\u1eady k\u1ebft n\u1ed1i gi\u1eefa m\u1eabu B v\u00e0 C l\u00e0 t\u1ed1t. Pin \u0111i\u1ec7n lithium-ion h\u00ecnh tr\u1ee5 dung l\u01b0\u1ee3ng nh\u1ecf c\u00f3 hi\u1ec7u su\u1ea5t chu k\u1ef3 t\u1ed1t v\u00e0 \u0111\u1ed9 tin c\u1eady k\u1ebft n\u1ed1i cao, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n h\u1eadu c\u1ea7n ch\u1ea1y b\u1eb1ng \u0111i\u1ec7n thu\u1ea7n t\u00fay.<\/span><\/span><\/p>\n

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

2.2 Th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t tu\u1ea7n ho\u00e0n c\u1ee7a m\u1eabu \u1ede nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (25 \u00b1 2) \u2103, c\u00e1c m\u1eabu m\u00f4-\u0111un pin \u0111\u00e3 tr\u1ea3i qua th\u1eed nghi\u1ec7m chu k\u1ef3 s\u1ea1c v\u00e0 x\u1ea3 0,5 C b\u1eb1ng h\u1ec7 th\u1ed1ng s\u1ea1c \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i (CC-CV) v\u00e0 h\u1ec7 th\u1ed1ng x\u1ea3 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i.<\/p>\n","protected":false},"author":1,"featured_media":19657,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19656","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\/19656","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=19656"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19656\/revisions"}],"predecessor-version":[{"id":21962,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19656\/revisions\/21962"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19657"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}