{"id":19632,"date":"2023-11-30T02:48:46","date_gmt":"2023-11-30T02:48:46","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-ion-battery-heavy-impact-test\/"},"modified":"2024-10-21T16:05:12","modified_gmt":"2024-10-21T09:05:12","slug":"lithium-ion-battery-heavy-impact-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-ion-battery-heavy-impact-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng n\u1eb7ng c\u1ee7a pin Lithium-ion"},"content":{"rendered":"
\n

Pin lithium ion \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng ch\u00ednh cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed c\u1ea7m tay nh\u01b0 thi\u1ebft b\u1ecb li\u00ean l\u1ea1c di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh x\u00e1ch tay do n\u0103ng l\u01b0\u1ee3ng ri\u00eang v\u00e0 \u0111i\u1ec7n \u00e1p cao c\u1ee7a ch\u00fang. Tuy nhi\u00ean, trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng sai nh\u01b0 l\u00e0m n\u00f3ng, s\u1ea1c qu\u00e1 m\u1ee9c, x\u1ea3 qu\u00e1 m\u1ee9c, \u0111o\u1ea3n m\u1ea1ch, rung, n\u00e9n, v.v., pin lithium-ion c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 ch\u00e1y, n\u1ed5 v\u00e0 th\u1eadm ch\u00ed l\u00e0 th\u01b0\u01a1ng t\u00edch c\u00e1 nh\u00e2n, d\u1eabn \u0111\u1ebfn vi\u1ec7c thu h\u1ed3i m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn pin lithium-ion.<\/span><\/span><\/p>\n

Do \u0111\u00f3, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin lithium-ion \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 then ch\u1ed1t trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a ch\u00fang. Hi\u1ec7n nay, nhi\u1ec1u qu\u1ed1c gia ho\u1eb7c t\u1ed5 ch\u1ee9c th\u1eed nghi\u1ec7m \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m an to\u00e0n c\u00f3 li\u00ean quan cho pin lithium-ion. Pin lithium-ion ph\u1ea3i v\u01b0\u1ee3t qua c\u00e1c b\u00e0i ki\u1ec3m tra an to\u00e0n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro khi s\u1eed d\u1ee5ng. C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf li\u00ean quan \u0111\u1ebfn an to\u00e0n c\u1ee7a pin lithium-ion ch\u1ee7 y\u1ebfu bao g\u1ed3m IEC 62133, IEC 62281, UL 1642, UL 2054, UN 38.3, v.v.<\/span><\/span><\/p>\n

Trong c\u00e1c ti\u00eau chu\u1ea9n tr\u00ean, th\u1eed nghi\u1ec7m va ch\u1ea1m v\u1eadt n\u1eb7ng l\u00e0 m\u1ed9t d\u1ef1 \u00e1n m\u00f4 ph\u1ecfng ng\u1eafn m\u1ea1ch b\u00ean trong c\u1ee7a pin lithium-ion. B\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m va ch\u1ea1m v\u1eadt n\u1eb7ng tr\u00ean c\u00e1c m\u1eabu pin lithium-ion kh\u00e1c nhau theo y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n. K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c so s\u00e1nh v\u00e0 ph\u00e2n t\u00edch b\u1eb1ng c\u00e1ch th\u00e1o r\u1eddi pin sau khi th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

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

1.1 Thi\u1ebft b\u1ecb v\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/h3>\n

Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m l\u00e0 <\/span><\/span>bu\u1ed3ng th\u1eed nghi\u1ec7m va \u0111\u1eadp ch\u1ed1ng n\u1ed5 DGBELL<\/span><\/span><\/a> . Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m lu\u00f4n \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c (20 \u00b1 5) \u2103.<\/span><\/span><\/p>\n

1.2 M\u1eabu th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/h3>\n

C\u00e1c m\u1eabu pin lithium-ion \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u00ed nghi\u1ec7m n\u00e0y nh\u01b0 sau: Pin lithium-ion h\u00ecnh tr\u1ee5 18650; Pin v\u1ecf nh\u00f4m h\u00ecnh vu\u00f4ng; Pin lithium-ion polymer h\u00ecnh vu\u00f4ng<\/span><\/span><\/p>\n

1.3 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/h3>\n

\u0110\u1eb7t c\u00e1c pin lithium-ion c\u00f3 h\u00ecnh d\u1ea1ng kh\u00e1c nhau tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng, \u0111\u1eb7t m\u1ed9t thanh s\u1eaft c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 15,8 mm theo chi\u1ec1u ngang \u1edf gi\u1eefa pin v\u00e0 th\u1ea3 m\u1ed9t c\u00e1i b\u00faa n\u1eb7ng 9,1 kg r\u01a1i t\u1eeb \u0111\u1ed9 cao (610 \u00b1 15) m xu\u1ed1ng pin. \u0110\u1ed1i v\u1edbi pin vu\u00f4ng, ch\u00fang c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c xoay 90 \u00b0 theo tr\u1ee5c d\u00e0i \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh tr\u00ean c\u1ea3 b\u1ec1 m\u1eb7t r\u1ed9ng v\u00e0 h\u1eb9p. Nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t pin trong qu\u00e1 tr\u00ecnh th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c theo d\u00f5i b\u1eb1ng m\u1ed9t c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n g\u1eafn v\u00e0o b\u1ec1 m\u1eb7t pin.<\/span><\/span><\/p>\n

2 K\u1ebft qu\u1ea3<\/span><\/span><\/strong><\/h2>\n

2.1 Pin lithium-ion 18650<\/span><\/span><\/strong><\/h3>\n

Sau khi b\u1ecb v\u1eadt n\u1eb7ng \u0111\u1eadp v\u00e0o, b\u1ec1 m\u1eb7t \u1eafc quy \u0111\u1ec3 l\u1ea1i v\u1ebft l\u00f5m s\u00e2u, ch\u1ee7 y\u1ebfu l\u00e0 do thanh s\u1eaft \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t \u1eafc quy b\u1ecb b\u00faa n\u1eb7ng \u0111\u1eadp v\u00e0o g\u00e2y n\u00e9n. B\u1ec1 m\u1eb7t c\u1ef1c d\u01b0\u01a1ng c\u1ee7a \u1eafc quy xu\u1ea5t hi\u1ec7n r\u1ec9 s\u00e9t, ch\u1ee7 y\u1ebfu l\u00e0 do van x\u1ea3 \u00e1p su\u1ea5t b\u00ean trong m\u1edf ra trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m va \u0111\u1eadp, khi\u1ebfn m\u1ed9t s\u1ed1 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n ch\u1ea3y ra ngo\u00e0i. Ch\u1ea5t \u0111i\u1ec7n ph\u00e2n t\u1ea1o ra ch\u1ea5t \u0103n m\u00f2n khi g\u1eb7p kh\u00f4ng kh\u00ed, d\u1eabn \u0111\u1ebfn \u0103n m\u00f2n n\u1eafp c\u1ef1c d\u01b0\u01a1ng.<\/span><\/span><\/p>\n

Sau khi th\u00e1o r\u1eddi v\u1ecf pin, c\u00e1c v\u1ebft n\u1ee9t xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c \u00f4 pin. \u0110i\u1ec1u n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 do s\u1ef1 k\u00e9o d\u00e0i v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a c\u00e1c \u0111i\u1ec7n c\u1ef1c do thanh s\u1eaft \u00e9p v\u00e0o pin. \u00d4 pin b\u1ecb m\u1edf ra v\u00e0 c\u1ea3 \u0111i\u1ec7n c\u1ef1c v\u00e0 m\u00e0ng m\u1edf \u0111\u1ec1u b\u1ecb v\u1ee1 t\u1ea1i v\u1ecb tr\u00ed thanh s\u1eaft b\u1ecb \u00e9p. V\u1eadt li\u1ec7u ph\u1ee7 \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u00e2m \u0111\u00e3 b\u1ecb bong ra.<\/span><\/span><\/p>\n

2.2 Pin vu\u00f4ng<\/span><\/span><\/strong><\/h3>\n

(1) Pin v\u1ecf nh\u00f4m<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi pin lithium-ion h\u00ecnh vu\u00f4ng, th\u01b0\u1eddng c\u00f3 hai d\u1ea1ng \u0111\u00f3ng g\u00f3i: v\u1ecf nh\u00f4m v\u00e0 nh\u00f4m-nh\u1ef1a.<\/span><\/span><\/p>\n

Pin c\u0169ng cho th\u1ea5y v\u1ebft l\u00f5m do thanh s\u1eaft n\u00e9n v\u00e0 tr\u1edf n\u00ean r\u1ea5t m\u1ecfng \u1edf gi\u1eefa. Sau khi th\u00e1o r\u1eddi v\u1ecf nh\u00f4m, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c \u00f4 pin b\u00ean trong \u0111\u00e3 b\u1ecb chia th\u00e0nh hai n\u1eeda. Khi m\u1edf \u00f4 pin ra, c\u00f3 th\u1ec3 th\u1ea5y l\u1edbp ph\u1ee7 c\u1ee7a v\u1eadt li\u1ec7u pin \u0111\u00e3 b\u1ecb bong ra v\u00e0 c\u00e1c \u0111i\u1ec7n c\u1ef1c b\u1ecb nh\u0103n. \u0110i\u1ec1u n\u00e0y l\u00e0 do t\u00e1c \u0111\u1ed9ng c\u1ee7a thanh s\u1eaft v\u00e0o b\u00ean trong pin, t\u1ea1o ra l\u1ef1c \u00e9p theo h\u01b0\u1edbng ph\u1eb3ng. Ngo\u00e0i ra, \u0111\u1ed9 c\u1ee9ng cao c\u1ee7a v\u1ecf nh\u00f4m c\u1ea3n tr\u1edf s\u1ef1 m\u1edf r\u1ed9ng c\u1ee7a \u00f4 pin theo h\u01b0\u1edbng ngang, d\u1eabn \u0111\u1ebfn c\u00e1c \u0111i\u1ec7n c\u1ef1c b\u1ecb nh\u0103n.<\/span><\/span><\/p>\n

Sau khi th\u1eed nghi\u1ec7m b\u1ec1 m\u1eb7t h\u1eb9p c\u1ee7a pin vu\u00f4ng, h\u01b0\u1edbng b\u1ec1 m\u1eb7t h\u1eb9p c\u1ee7a pin \u0111\u00e3 b\u1ecb \u00e9p v\u00e0 bi\u1ebfn d\u1ea1ng ho\u00e0n to\u00e0n. Sau khi th\u00e1o r\u1eddi v\u1ecf pin, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00e1c \u00f4 pin b\u00ean trong b\u1ecb n\u1ee9t nghi\u00eam tr\u1ecdng. Khi m\u1edf \u0111i\u1ec7n c\u1ef1c ra, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ra r\u1eb1ng v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng \u0111\u00e3 r\u01a1i ra v\u00e0 m\u00e0ng ng\u0103n \u0111\u00e3 b\u1ecb v\u1ee1.<\/span><\/span><\/p>\n

(2) Pin lithium ion polymer<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi pin lithium-ion polymer \u0111\u00f3ng g\u00f3i trong nh\u00f4m-nh\u1ef1a. K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m pin t\u01b0\u01a1ng t\u1ef1 nh\u01b0 pin \u0111\u00f3ng g\u00f3i v\u1ecf nh\u00f4m. Tuy nhi\u00ean, do l\u1edbp v\u1ecf nh\u00f4m-nh\u1ef1a \u0111\u01b0\u1ee3c h\u00e0n nhi\u1ec7t, c\u00e1c cell pin b\u00ean trong b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi l\u1ef1c b\u00ean ngo\u00e0i sau khi th\u1eed nghi\u1ec7m pin. Th\u1ee9 hai, do \u0111\u1ed9 d\u00e0y m\u1ecfng c\u1ee7a pin \u0111\u00f3ng g\u00f3i nh\u00f4m-nh\u1ef1a, n\u00f3 b\u1ecb chia th\u00e0nh hai ph\u1ea7n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i.<\/span><\/span><\/p>\n

2.3 Th\u1ea3o lu\u1eadn v\u1ec1 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/h3>\n

T\u1eeb k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng th\u1eed nghi\u1ec7m va ch\u1ea1m v\u1eadt n\u1eb7ng c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong c\u1ee7a pin lithium-ion. Trong th\u1eed nghi\u1ec7m va ch\u1ea1m v\u1eadt n\u1eb7ng, pin ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c b\u00ean ngo\u00e0i, g\u00e2y bi\u1ebfn d\u1ea1ng v\u1ecf pin. V\u00e0 n\u00f3 g\u00e2y bi\u1ebfn d\u1ea1ng cell pin, g\u00e2y c\u0103ng th\u1eb3ng cho c\u00e1c \u0111i\u1ec7n c\u1ef1c v\u00e0 b\u1ed9 t\u00e1ch. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u1ee9ng su\u1ea5t n\u00e0y, v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c s\u1ebd b\u1ecb t\u00e1ch ra v\u00e0 m\u00e0ng ng\u0103n s\u1ebd b\u1ecb v\u1ee1 do qu\u00e1 m\u1ecfng, d\u1eabn \u0111\u1ebfn d\u1eabn \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp gi\u1eefa v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u00e2m ho\u1eb7c ti\u1ebfp x\u00fac gi\u1eefa b\u1ed9 thu \u0111\u1ed3ng (nh\u00f4m) v\u00e0 v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng (\u00e2m) (t\u1ee9c l\u00e0 \u0111o\u1ea3n m\u1ea1ch b\u00ean trong), d\u1eabn \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 l\u1edbn v\u00e0 nhi\u1ec7t Ohmic.<\/span><\/span><\/p>\n

Do c\u00e1c m\u1ea1ch ng\u1eafn b\u00ean trong x\u1ea3y ra \u1edf nhi\u1ec1u v\u1ecb tr\u00ed, nhi\u1ec7t sinh ra g\u00e2y ra c\u00e1c ph\u1ea3n \u1ee9ng ph\u1ee5 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00e2n h\u1ee7y \u0111i\u1ec7n c\u1ef1c v\u00e0 ph\u00e2n h\u1ee7y ch\u1ea5t \u0111i\u1ec7n ph\u00e2n. Trong qu\u00e1 tr\u00ecnh th\u00ed nghi\u1ec7m, nhi\u1ec7t \u0111\u1ed9 pin t\u0103ng \u0111\u00e1ng k\u1ec3. \u0110\u1ed1i v\u1edbi m\u1eabu pin lithium-ion 18650, m\u1ed9t m\u1ea1ch ng\u1eafn b\u00ean trong t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng kh\u00ed \u0111\u00e1ng k\u1ec3, g\u00e2y ra s\u1ef1 gia t\u0103ng \u00e1p su\u1ea5t b\u00ean trong. Sau khi \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh, van x\u1ea3 \u00e1p su\u1ea5t pin s\u1ebd m\u1edf ra \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed axit, cu\u1ed1i c\u00f9ng tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c tai n\u1ea1n an to\u00e0n. \u0110\u1ed1i v\u1edbi pin lithium-ion vu\u00f4ng, \u0111\u1ed9 d\u00e0y c\u1ee7a ch\u00fang t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf. Trong tr\u01b0\u1eddng h\u1ee3p va ch\u1ea1m b\u00ean ngo\u00e0i, pin c\u00f3 th\u1ec3 b\u1ecb v\u1ee1 ho\u1eb7c t\u00e1ch l\u00e0m \u0111\u00f4i. Khi x\u1ea3y ra m\u1ea1ch ng\u1eafn b\u00ean trong, c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong c\u1ee7a pin ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 ph\u1ea3n \u1ee9ng.<\/span><\/span><\/p>\n

3 K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/h2>\n

Th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m va ch\u1ea1m v\u1eadt n\u1eb7ng tr\u00ean c\u00e1c lo\u1ea1i pin lithium-ion ri\u00eang l\u1ebb kh\u00e1c nhau, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m n\u00e0y c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng hi\u1ec7u qu\u1ea3 t\u00ecnh tr\u1ea1ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong pin. Ph\u00e2n t\u00edch th\u00e1o r\u1eddi c\u00e1c lo\u1ea1i pin kh\u00e1c nhau ph\u00e1t hi\u1ec7n th\u1ea5y c\u00f3 s\u1ef1 c\u1ed1 \u0111\u1ee9t \u0111i\u1ec7n c\u1ef1c v\u00e0 v\u1ee1 m\u00e0ng ng\u0103n b\u00ean trong pin, d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch b\u00ean trong pin. Ph\u00e2n t\u00edch v\u00e0 hi\u1ec3u bi\u1ebft v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m n\u00e0y s\u1ebd h\u1eefu \u00edch h\u01a1n cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t pin \u0111\u1ec3 hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m c\u1ee7a pin, do \u0111\u00f3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u1ee7a pin lithium-ion v\u00e0 t\u0103ng c\u01b0\u1eddng t\u00ednh an to\u00e0n c\u1ee7a ch\u00fang.<\/span><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Pin lithium ion \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng ch\u00ednh cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed c\u1ea7m tay nh\u01b0 thi\u1ebft b\u1ecb li\u00ean l\u1ea1c di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh x\u00e1ch tay do n\u0103ng l\u01b0\u1ee3ng ri\u00eang v\u00e0 \u0111i\u1ec7n \u00e1p cao c\u1ee7a ch\u00fang. Tuy nhi\u00ean, trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng sai nh\u01b0 l\u00e0m n\u00f3ng,<\/p>\n","protected":false},"author":1,"featured_media":19633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19632","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\/19632","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=19632"}],"version-history":[{"count":3,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19632\/revisions"}],"predecessor-version":[{"id":21940,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19632\/revisions\/21940"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19633"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}