{"id":19750,"date":"2022-12-23T07:51:17","date_gmt":"2022-12-23T07:51:17","guid":{"rendered":"http:\/\/dgbellvietnam.com\/what-is-iec-62133-test-standard-part-1\/"},"modified":"2024-10-24T16:07:42","modified_gmt":"2024-10-24T09:07:42","slug":"what-is-iec-62133-test-standard-part-1","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/what-is-iec-62133-test-standard-part-1\/","title":{"rendered":"Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m IEC 62133 l\u00e0 g\u00ec? \u2013 Ph\u1ea7n 1"},"content":{"rendered":"
\n

Pin lithium ion c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 n\u0103ng l\u01b0\u1ee3ng ri\u00eang cao, \u0111i\u1ec7n \u00e1p cao, tu\u1ed5i th\u1ecd chu k\u1ef3 d\u00e0i v\u00e0 t\u1ef1 x\u1ea3 th\u1ea5p. N\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n ch\u00ednh cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed di \u0111\u1ed9ng nh\u01b0 truy\u1ec1n th\u00f4ng di \u0111\u1ed9ng, m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 \u0111i\u1ec7n. Tuy nhi\u00ean, trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng sai (nh\u01b0 n\u00f3ng, qu\u00e1 t\u1ea3i, ng\u1eafn m\u1ea1ch, rung \u0111\u1ed9ng, \u0111\u00f9n, v.v.), pin lithium-ion c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y, n\u1ed5 v\u00e0 th\u1eadm ch\u00ed l\u00e0 th\u01b0\u01a1ng t\u00edch c\u00e1 nh\u00e2n. Do \u0111\u00f3, v\u1ea5n \u0111\u1ec1 an to\u00e0n c\u1ee7a pin lithium-ion \u0111\u00e3 tr\u1edf th\u00e0nh n\u00fat th\u1eaft c\u1ed5 chai trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3. Hi\u1ec7n nay, nhi\u1ec1u qu\u1ed1c gia ho\u1eb7c t\u1ed5 ch\u1ee9c th\u1eed nghi\u1ec7m \u0111ang nghi\u00ean c\u1ee9u c\u00e1c c\u00f4ng ngh\u1ec7 an to\u00e0n pin lithium m\u1edbi v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c ti\u00eau chu\u1ea9n khoa h\u1ecdc v\u00e0 ho\u00e0n thi\u1ec7n h\u01a1n. V\u00ed d\u1ee5, c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m \u00e1p d\u1ee5ng cho pin lithium cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng l\u00e0: 1EC62133, UL1642, JIS C8714, IFEE1625, UN38.3, v.v. B\u00e0i b\u00e1o n\u00e0y ch\u1ee7 y\u1ebfu ph\u00e2n t\u00edch v\u00e0 so s\u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa phi\u00ean b\u1ea3n n\u0103m 2002 v\u00e0 phi\u00ean b\u1ea3n n\u0103m 2012 c\u1ee7a ti\u00eau chu\u1ea9n IEC62133 cho pin lithium-ion cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng t\u1eeb c\u00e1c kh\u00eda c\u1ea1nh v\u1ec1 c\u00e1ch s\u1eafp x\u1ebfp n\u1ed9i dung c\u1ee7a c\u00e1c m\u1ee5c th\u1eed nghi\u1ec7m, \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m, th\u00f4ng s\u1ed1 th\u1eed nghi\u1ec7m, v.v.<\/span><\/span><\/p>\n

1.C\u00e1c m\u1ee5c th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/span><\/h1>\n

IEC62133<\/span><\/span><\/a> : 2002 v\u00e0 2012 \u0111\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m c\u1ee7a th\u1eed nghi\u1ec7m pin lithium ion, c\u1ea3 h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m. V\u1ec1 c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m, phi\u00ean b\u1ea3n 2012 \u0111\u00e3 x\u00f3a c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m li\u00ean quan \u0111\u1ebfn ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a pin \u0111\u01a1n trong qu\u00e1 tr\u00ecnh rung, s\u1ed1c c\u01a1 h\u1ecdc, chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed th\u1ea5p v\u00e0 s\u1ea1c t\u1ed1c \u0111\u1ed9 cao trong phi\u00ean b\u1ea3n 2002 v\u00e0 th\u00eam hai h\u1ea1ng m\u1ee5c m\u1edbi: th\u1eed nghi\u1ec7m v\u1eadn chuy\u1ec3n v\u00e0 th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean trong c\u01b0\u1ee1ng b\u1ee9c. Th\u1eed nghi\u1ec7m v\u1eadn chuy\u1ec3n trong IEC62281 bao g\u1ed3m c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed th\u1ea5p, chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9, rung, va \u0111\u1eadp, ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i, va \u0111\u1eadp v\u00e0 \u0111\u00f9n. M\u1eb7c d\u00f9 t\u00ean th\u1eed nghi\u1ec7m gi\u1ed1ng nhau trong d\u1ef1 \u00e1n th\u1eed nghi\u1ec7m, nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf l\u1ea1i kh\u00e1 kh\u00e1c nhau. V\u00ed d\u1ee5, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 n\u1ed9i dung th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i \u0111\u1ed1i v\u1edbi gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf \u0111\u01b0\u1eddng d\u00e2y, c\u00f9ng m\u1ed9t m\u1eabu c\u1ea7n ho\u00e0n th\u00e0nh th\u1eed nghi\u1ec7m li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m v\u1eadn chuy\u1ec3n v\u00e0 c\u00e1c quy tr\u00ecnh s\u1ea1c \u00e9p kh\u00e1c nhau, s\u1ebd \u0111\u01b0\u1ee3c so s\u00e1nh v\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft sau.<\/span><\/span><\/p>\n

V\u1ec1 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m, c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m chu k\u1ef3 rung, s\u1ed1c v\u00e0 nhi\u1ec7t \u0111\u1ed9 trong ti\u00eau chu\u1ea9n IEC62,133:2002 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho th\u1eed nghi\u1ec7m c\u00e1c cell \u0111i\u1ec7n v\u00e0 b\u1ed9 pin; Tuy nhi\u00ean, th\u1eed nghi\u1ec7m v\u1eadn chuy\u1ec3n trong ti\u00eau chu\u1ea9n n\u0103m 2012 ch\u1ec9 t\u1eadp trung v\u00e0o th\u1eed nghi\u1ec7m l\u00f5i \u0111i\u1ec7n, c\u0169ng nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c \u0111\u00e1nh gi\u00e1 an to\u00e0n c\u1ee7a l\u00f5i \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. \u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i, ti\u00eau chu\u1ea9n m\u1edbi ch\u1ec9 t\u1eadp trung v\u00e0o an to\u00e0n qu\u00e1 t\u1ea3i c\u1ee7a b\u1ed9 pin.<\/span><\/span><\/p>\n

2. Ph\u00e2n t\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c ti\u00eau chu\u1ea9n<\/span><\/span><\/strong><\/span><\/h1>\n

2.1 So s\u00e1nh c\u00e1c m\u1ee5c ki\u1ec3m tra gi\u1ed1ng nhau<\/span><\/span><\/span><\/h2>\n

Ngo\u00e0i quy tr\u00ecnh s\u1ea1c gi\u1ed1ng nh\u01b0 quy tr\u00ecnh s\u1ea1c c\u1ee7a phi\u00ean b\u1ea3n n\u0103m 2002, t\u1ee9c l\u00e0 s\u1ea1c \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (20 \u00b1 5) \u2103 theo ph\u01b0\u01a1ng ph\u00e1p do nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1. Phi\u00ean b\u1ea3n n\u0103m 2012 c\u0169ng quy \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh s\u1ea1c m\u1edbi cho vi\u1ec7c l\u1ea1m d\u1ee5ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd (ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i c\u1ee7a cell pin v\u00e0 c\u1ee5m pin), l\u1ea1m d\u1ee5ng nhi\u1ec7t, \u00e9p \u0111\u00f9n v\u00e0 th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean trong c\u01b0\u1ee1ng b\u1ee9c, t\u1ee9c l\u00e0, x\u1eed l\u00fd tr\u01b0\u1edbc khi s\u1ea1c (hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho pin lithium) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n tr\u00ean l\u00e0 45 \u2103 v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n d\u01b0\u1edbi l\u00e0 10 \u2103 v\u1edbi \u0111i\u1ec7n \u00e1p s\u1ea1c gi\u1edbi h\u1ea1n tr\u00ean l\u00e0 4,25V\/cell v\u00e0 d\u00f2ng \u0111i\u1ec7n s\u1ea1c t\u1ed1i \u0111a do nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ec9 \u0111\u1ecbnh.<\/span><\/span><\/p>\n

N\u1ebfu \u0111i\u1ec7n \u00e1p s\u1ea1c gi\u1edbi h\u1ea1n tr\u00ean m\u1edbi v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n tr\u00ean v\u00e0 d\u01b0\u1edbi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, m\u1ed9t s\u1ed1 th\u1eed nghi\u1ec7m nh\u1ea5t \u0111\u1ecbnh s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5p nh\u1eadn c\u1ee7a c\u00e1c th\u1eed nghi\u1ec7m c\u00f3 li\u00ean quan v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho pin. N\u1ed9i dung th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3: d\u1ef1a tr\u00ean t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u01a1ng, t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u kh\u00e1c, c\u1ea7n \u0111\u1ea3m b\u1ea3o an to\u00e0n cho pin \u0111\u00e3 s\u1ea1c \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n tr\u00ean m\u1edbi v\u00e0 th\u00eam 5C v\u00e0o nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n tr\u00ean m\u1edbi \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1ea1c trong 8.1.2 c\u1ee7a IEC62133:2012 v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m; D\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 ion lithium c\u1ee7a v\u1eadt li\u1ec7u \u0111i\u1ec7n c\u1ef1c \u00e2m v\u00e0 \u0111\u1ed9 linh \u0111\u1ed9ng c\u1ee7a ion lithium c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n (t\u01b0\u01a1ng \u1ee9ng v\u1edbi nhi\u1ec7t \u0111\u1ed9), c\u1ea7n \u0111\u1ea3m b\u1ea3o an to\u00e0n cho pin \u0111\u00e3 s\u1ea1c \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n d\u01b0\u1edbi m\u1edbi v\u00e0 th\u00eam – 5 \u2103 v\u00e0o nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m gi\u1edbi h\u1ea1n d\u01b0\u1edbi m\u1edbi \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1ea1c c\u1ee7a 8.1.2 v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m t\u01b0\u01a1ng \u1ee9ng.<\/span><\/span><\/p>\n

(1) Qu\u00e1 t\u1ea3i<\/span><\/span><\/p>\n

Ki\u1ec3m tra qu\u00e1 t\u1ea3i l\u00e0 \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n v\u1ec1 an to\u00e0n c\u1ee7a pin khi ph\u00e1t hi\u1ec7n \u0111i\u1ec7n \u00e1p b\u1ed9 s\u1ea1c sai, b\u1ed9 s\u1ea1c b\u1ecb l\u1ed7i ho\u1eb7c s\u1eed d\u1ee5ng b\u1ed9 s\u1ea1c kh\u00f4ng \u0111\u00fang. Nh\u00ecn chung, ki\u1ec3m tra qu\u00e1 t\u1ea3i c\u1ee7a cell pin lithium l\u00e0 m\u1ed9t m\u1ee5c ki\u1ec3m tra kh\u00f3 v\u01b0\u1ee3t qua v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec7n \u00e1p s\u1ea1c 10V qu\u00e1 nghi\u00eam ng\u1eb7t. Tr\u00ean th\u1ef1c t\u1ebf, h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i pin \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ea3ng b\u1ea3o v\u1ec7 PCB v\u00e0 m\u1ea1ch b\u1ea3o v\u1ec7 gi\u1edbi h\u1ea1n \u0111i\u1ec7n \u00e1p, c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7u qu\u1ea3 t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i c\u1ee7a cell pin. Trong ti\u00eau chu\u1ea9n n\u0103m 2012, ki\u1ec3m tra qu\u00e1 t\u1ea3i c\u1ee7a cell pin \u0111\u00e3 b\u1ecb lo\u1ea1i b\u1ecf v\u00e0 ki\u1ec3m tra qu\u00e1 t\u1ea3i cho b\u1ed9 pin \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. Ngh\u0129a l\u00e0, b\u1ed9 pin \u0111\u00e3 x\u1ea3 ho\u00e0n to\u00e0n s\u1ebd \u0111\u01b0\u1ee3c s\u1ea1c b\u1eb1ng d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 2,0l (IA = C Ah \/ 1h) v\u00e0 \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec7n \u00e1p s\u1ea1c t\u1ed1i \u0111a \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb ho\u1eb7c 5,0V \/ cell, \u0111\u1ee7 \u0111\u1ec3 duy tr\u00ec d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i.<\/span><\/span><\/p>\n

(2) <\/span><\/span>Ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i<\/span><\/span><\/a><\/p>\n

Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean ngo\u00e0i trong ti\u00eau chu\u1ea9n IEC62133:2002 bao g\u1ed3m th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch \u1edf hai nhi\u1ec7t \u0111\u1ed9 (20 \u00b1 5) \u2103 v\u00e0 (55 \u00b1 5) \u2103. \u0110i\u1ec7n tr\u1edf c\u1ee7a m\u1ea1ch ngo\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 100 m \u03a9. Pin \u0111\u01a1n ho\u1eb7c b\u1ed9 pin ph\u1ea3i \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m trong 24 gi\u1edd ho\u1eb7c cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 v\u1ecf gi\u1ea3m 20% so v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a, t\u00f9y theo nhi\u1ec7t \u0111\u1ed9 n\u00e0o ng\u1eafn h\u01a1n. Tuy nhi\u00ean, \u0111\u00e3 c\u00f3 nh\u1eefng thay \u0111\u1ed5i l\u1edbn trong ti\u00eau chu\u1ea9n n\u0103m 2012: \u0111\u1ea7u ti\u00ean, cell pin ho\u1eb7c b\u1ed9 pin \u00e1p d\u1ee5ng quy tr\u00ecnh s\u1ea1c m\u1edbi; Th\u1ee9 hai, gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u1ee7a m\u1ea1ch ngo\u00e0i ph\u1ea3i c\u1ee5 th\u1ec3 h\u01a1n, c\u1ee5 th\u1ec3 l\u00e0 (80 \u00b1 20) m \u03a9; Cu\u1ed1i c\u00f9ng, t\u00e1ch nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 th\u1eed nghi\u1ec7m cell v\u00e0 pin, ngh\u0129a l\u00e0 th\u1eed nghi\u1ec7m cell \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u1edf (20 \u00b1 5) \u2103, trong khi th\u1eed nghi\u1ec7m pin \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u1edf (55 \u00b1 5) \u2103. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng vi\u1ec7c thay \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 s\u1ea1c pin \u0111\u00e3 n\u00e2ng cao m\u1ee9c \u0111\u1ed9 ki\u1ec3m tra an to\u00e0n pin lithium. \u0110\u1ed3ng th\u1eddi, gi\u1edbi h\u1ea1n gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb ki\u1ec3m tra c\u0169ng nghi\u00eam ng\u1eb7t h\u01a1n.<\/span><\/span><\/p>\n

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

Pin lithium ion c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 n\u0103ng l\u01b0\u1ee3ng ri\u00eang cao, \u0111i\u1ec7n \u00e1p cao, tu\u1ed5i th\u1ecd chu k\u1ef3 d\u00e0i v\u00e0 t\u1ef1 x\u1ea3 th\u1ea5p. N\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n ch\u00ednh cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed di \u0111\u1ed9ng nh\u01b0 truy\u1ec1n th\u00f4ng di \u0111\u1ed9ng, m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 c\u00e1c c\u00f4ng<\/p>\n","protected":false},"author":1,"featured_media":19751,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19750","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\/19750","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=19750"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19750\/revisions"}],"predecessor-version":[{"id":22022,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19750\/revisions\/22022"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19751"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}