{"id":19752,"date":"2022-12-15T02:48:48","date_gmt":"2022-12-15T02:48:48","guid":{"rendered":"http:\/\/dgbellvietnam.com\/what-is-un-38-3-t6-test-part-2\/"},"modified":"2024-10-24T16:10:24","modified_gmt":"2024-10-24T09:10:24","slug":"what-is-un-38-3-t6-test-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/what-is-un-38-3-t6-test-part-2\/","title":{"rendered":"Th\u1eed nghi\u1ec7m UN 38.3 T6 l\u00e0 g\u00ec ? \u2013 Ph\u1ea7n 2"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<h1><span id=\"3Research_on_T6_Test_Method\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3. Nghi\u00ean c\u1ee9u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed T6<\/span><\/span><\/strong><\/span><\/h1>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m T6, do s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a c\u00e1c lo\u1ea1i pin lithium hi\u1ec7n c\u00f3, c\u1ea7n ph\u1ea3i l\u1ef1a ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m kh\u00e1c nhau cho c\u00e1c lo\u1ea1i cell pin lithium kh\u00e1c nhau. Trong qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a nh\u00f3m l\u00e0m vi\u1ec7c v\u1ec1 pin lithium thu\u1ed9c \u1ee6y ban chuy\u00ean gia giao th\u00f4ng c\u1ee7a Li\u00ean h\u1ee3p qu\u1ed1c, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m nh\u01b0 <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/testing-standard\/un38-3\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">nghi\u1ec1n<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/battery-test-chamber\/battery-crush-nail-penetration-tester\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0111\u00e2m th\u1ee7ng b\u1eb1ng \u0111inh<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , \u0111\u00e2m th\u1ee7ng b\u1eb1ng c\u00f9n c\u1ee7a NASA v\u00e0 <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/battery-test-chamber\/battery-short-circuit-tester\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0111o\u1ea3n m\u1ea1ch b\u00ean trong c\u01b0\u1ee1ng b\u1ee9c<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> PSE c\u1ee7a Nh\u1eadt B\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o th\u1ea3o lu\u1eadn.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nh\u1eefng b\u00e0i ki\u1ec3m tra n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u t\u00f3m t\u1eaft d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1) \u00c9p: th\u1eed nghi\u1ec7m \u00e9p l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m r\u1ea5t ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi pin lithium, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u1eed nghi\u1ec7m l\u1ea1m d\u1ee5ng c\u1ee7a nhi\u1ec1u ti\u00eau chu\u1ea9n kh\u00e1c nhau. Trong IEC 60,086-4 Pin ch\u00ednh \u2013 Ph\u1ea7n 4: An to\u00e0n c\u1ee7a pin lithium, th\u1eed nghi\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf \u0111\u1ec3 <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/battery-test-chamber\/programmable-battery-impact-testing-equipment\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">th\u1eed nghi\u1ec7m va \u0111\u1eadp m\u1ea1nh<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i pin. Nh\u00ecn chung, pin b\u1ecb \u00e9p \u1edf hai m\u1eb7t ph\u1eb3ng v\u00e0 \u0111\u01b0\u1ee3c th\u1ea3 ra sau khi \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh. Th\u1eed nghi\u1ec7m n\u00e0y kh\u00f4ng th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i cell pin lithium, nh\u01b0ng \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p tr\u01b0\u1edfng th\u00e0nh v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2) Xuy\u00ean \u0111inh: \u0110\u00e2y c\u0169ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi vi\u1ec7c l\u1ea1m d\u1ee5ng pin lithium. Nh\u01b0ng b\u1ed9 ph\u1eadn b\u1ecb h\u1ecfng trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf \u0111i\u1ec3m xuy\u00ean \u0111inh. B\u1ed9 ph\u1eadn \u0111o\u1ea3n m\u1ea1ch t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf v\u00e0 t\u1ecfa nhi\u1ec7t t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eadm, do \u0111\u00f3 t\u00e1c \u0111\u1ed9ng g\u00e2y ra \u0111o\u1ea3n m\u1ea1ch b\u00ean trong b\u1ecb h\u1ea1n ch\u1ebf.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3) \u0110o\u1ea3n m\u1ea1ch b\u00ean trong c\u01b0\u1ee1ng b\u1ee9c PSE c\u1ee7a Nh\u1eadt B\u1ea3n: th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 th\u1eed nghi\u1ec7m \u0111o\u1ea3n m\u1ea1ch b\u00ean trong c\u01b0\u1ee1ng b\u1ee9c \u0111\u1ed1i v\u1edbi c\u00e1c cell pin do Nh\u1eadt B\u1ea3n \u0111\u1ec1 xu\u1ea5t. N\u0103m 2008, ch\u00ednh ph\u1ee7 Nh\u1eadt B\u1ea3n \u0111\u00e3 \u0111\u01b0a ra ch\u1ee9ng nh\u1eadn PSE cho pin lithium-ion, y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 pin lithium-ion xu\u1ea5t kh\u1ea9u sang Nh\u1eadt B\u1ea3n sau ng\u00e0y 20 th\u00e1ng 11 n\u0103m 2008 v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh c\u1ee7a Lu\u1eadt an to\u00e0n thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u1ee7a Nh\u1eadt B\u1ea3n ph\u1ea3i \u0111\u01b0\u1ee3c PSE ch\u1ee9ng nh\u1eadn. Th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 m\u1ed9t m\u1ee5c th\u1eed nghi\u1ec7m quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ch\u1ee9ng nh\u1eadn PSE cho pin lithium-ion.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m nh\u01b0 sau: th\u00e1o r\u1eddi cell pin lithium ion \u0111\u00e3 s\u1ea1c \u0111\u1ea7y, \u0111\u1eb7t m\u1ed9t t\u1ea5m niken nh\u1ecf gi\u1eefa ho\u1ea1t ch\u1ea5t d\u01b0\u01a1ng v\u00e0 ho\u1ea1t ch\u1ea5t \u00e2m, c\u0169ng nh\u01b0 gi\u1eefa l\u00e1 nh\u00f4m d\u01b0\u01a1ng v\u00e0 ho\u1ea1t ch\u1ea5t \u00e2m, qu\u1ea5n cell pin, \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed t\u1ea5m niken, \u0111\u1eb7t n\u00f3 theo c\u00e1ch k\u00edn, t\u1ea1o \u00e1p l\u1ef1c l\u00ean ph\u1ea7n cell pin n\u01a1i \u0111\u1eb7t t\u1ea5m niken v\u1edbi t\u1ed1c \u0111\u1ed9 0,1 mm\/gi\u00e2y trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh v\u00e0 khi \u0111i\u1ec7n \u00e1p quan s\u00e1t \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n 50 mV, Ho\u1eb7c khi \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u (pin h\u00ecnh tr\u1ee5 800 N, pin vu\u00f4ng 400 N), d\u1eebng h\u1ea1 th\u1ea5p d\u1ee5ng c\u1ee5 t\u1ea1o \u00e1p su\u1ea5t trong 30 gi\u00e2y, sau \u0111\u00f3 lo\u1ea1i b\u1ecf \u00e1p su\u1ea5t. N\u1ebfu cell pin kh\u00f4ng b\u1eaft l\u1eeda trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Th\u1eed nghi\u1ec7m n\u00e0y c\u00f3 y\u00eau c\u1ea7u cao \u0111\u1ed1i v\u1edbi cell pin, nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 tranh ch\u1ea5p. V\u00ed d\u1ee5, n\u1ebfu m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n h\u00f3a c\u1ee7a pin b\u1ecb h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh th\u00e1o r\u1eddi, kh\u00f4ng ch\u1eafc ch\u1eafn li\u1ec7u c\u00e1c cell pin \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i l\u1ea1i c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng hi\u1ec7u qu\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong c\u1ee7a pin th\u00f4ng th\u01b0\u1eddng hay kh\u00f4ng; Ngo\u00e0i ra, ph\u1ea3i xem x\u00e9t \u0111\u1ebfn t\u00ednh an to\u00e0n c\u1ee7a quy tr\u00ecnh th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi nh\u00e2n s\u1ef1; Th\u1eed nghi\u1ec7m n\u00e0y ch\u1ec9 d\u00e0nh cho cell pin lithium ion, kh\u00f4ng d\u00e0nh cho cell pin lithium metal. Do \u0111\u00f3, ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 b\u1ecb h\u1ea1n ch\u1ebf.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4) Blunt: Th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00f4 ph\u1ecfng ng\u1eafn m\u1ea1ch b\u00ean trong pin do UL (Underwriters Labo ratings Inc.) \u0111\u1ec1 xu\u1ea5t, gi\u00fap gi\u1ea3m nguy c\u01a1 th\u00e1o r\u1eddi pin b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u1eafn m\u1ea1ch b\u00ean trong c\u01b0\u1ee1ng b\u1ee9c c\u1ee7a Nh\u1eadt B\u1ea3n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 s\u1eed d\u1ee5ng kim c\u00f9n b\u1eb1ng th\u00e9p \u0111\u1ec3 ch\u00edch v\u00e0o pin v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u1eadm 0,1 mm\/gi\u00e2y t\u1ea1i t\u00e2m pin v\u00e0 quan s\u00e1t s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p m\u1ea1ch h\u1edf v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin cho \u0111\u1ebfn khi \u0111i\u1ec7n \u00e1p gi\u1ea3m xu\u1ed1ng 100 mV. \u01afu \u0111i\u1ec3m c\u1ee7a th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 kh\u00f4ng c\u1ea7n th\u00e1o r\u1eddi pin v\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n h\u00f3a b\u00ean trong pin, do \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh m\u1ea1nh. Tuy nhi\u00ean, do kim c\u00f9n x\u1ea3y ra \u1edf v\u1ecf pin n\u00ean kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u1ecb tr\u00ed ng\u1eafn m\u1ea1ch b\u00ean trong pin. Li\u1ec7u th\u1eed nghi\u1ec7m n\u00e0y c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng \u0111\u1ea7y \u0111\u1ee7 t\u00ecnh tr\u1ea1ng ng\u1eafn m\u1ea1ch b\u00ean trong pin hay kh\u00f4ng v\u1eabn \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u.<\/span><\/span><\/p>\n<h1><span id=\"4Revision_of_T6_test_in_UN383\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4. S\u1eeda \u0111\u1ed5i b\u00e0i th\u1eed UN38.3 T6<\/span><\/span><\/strong><\/span><\/h1>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">D\u1ef1a tr\u00ean th\u1ea3o lu\u1eadn c\u1ee7a c\u00e1c chuy\u00ean gia trong nh\u00f3m l\u00e0m vi\u1ec7c v\u1ec1 pin lithium, bao g\u1ed3m nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u1edf tr\u00ean, \u1ee6y ban chuy\u00ean gia v\u1ec1 giao th\u00f4ng v\u1eadn t\u1ea3i c\u1ee7a Li\u00ean h\u1ee3p qu\u1ed1c<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u1ee6y ban \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ngh\u1ecb quy\u1ebft s\u1eeda \u0111\u1ed5i c\u00e1c b\u00e0i th\u1eed T6 c\u1ee7a UN38.3. N\u1ed9i dung ch\u00ednh nh\u01b0 sau:<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1) Th\u00eam th\u1eed nghi\u1ec7m nghi\u1ec1n, \u00e1p d\u1ee5ng cho pin h\u00ecnh l\u0103ng tr\u1ee5, pin t\u00fai, pin c\u00fac \u00e1o v\u00e0 m\u1ed9t s\u1ed1 cell pin h\u00ecnh tr\u1ee5. \u0110\u1ed1i v\u1edbi c\u00e1c cell pin h\u00ecnh tr\u1ee5 v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi nghi\u1ec1n \u00e1p d\u1ee5ng, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m va \u0111\u1eadp m\u1ea1nh T6 ban \u0111\u1ea7u v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n: t\u1ed1c \u0111\u1ed9 nghi\u1ec1n c\u1ee7a \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean l\u00e0 1,5cm\/gi\u00e2y. \u0110\u00f9n cho \u0111\u1ebfn khi m\u1ed9t trong ba \u0111i\u1ec1u ki\u1ec7n sau \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng:<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">(1) L\u1ef1c nghi\u1ec1n \u0111\u1ea1t t\u1edbi (13 \u00b1 0,78) kN;<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">(2) \u0110\u1ed9 s\u1ee5t \u00e1p ph\u1ea3i \u00edt nh\u1ea5t l\u00e0 100 mV;<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">(3) \u0110\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a t\u1ebf b\u00e0o ph\u1ea3i \u0111\u1ea1t \u00edt nh\u1ea5t 50%.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Th\u1eddi gian th\u1eed nghi\u1ec7m v\u00e0 quan s\u00e1t l\u00e0 6 gi\u1edd. Nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i c\u1ee7a m\u1eabu th\u1eed nghi\u1ec7m kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 170 \u2103 trong th\u1eddi gian th\u1eed nghi\u1ec7m v\u00e0 quan s\u00e1t, kh\u00f4ng \u0111\u01b0\u1ee3c th\u00e1o r\u1eddi ho\u1eb7c x\u1ea3y ra h\u1ecfa ho\u1ea1n.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2) Th\u1eed nghi\u1ec7m va \u0111\u1eadp tr\u1ecdng l\u01b0\u1ee3ng ban \u0111\u1ea7u c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, bao g\u1ed3m: Ph\u1ea1m vi dung sai c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh thanh th\u1eed v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a b\u00faa \u0111\u00e3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean; Chi\u1ec1u d\u00e0i c\u1ee7a thanh th\u1eed b\u1ecb h\u1ea1n ch\u1ebf; V\u1eadt li\u1ec7u c\u1ee7a thanh b\u1ecb h\u1ea1n ch\u1ebf; Nh\u1ea5n m\u1ea1nh th\u00f4ng qua m\u00f4 t\u1ea3 v\u0103n b\u1ea3n r\u1eb1ng b\u00faa ph\u1ea3i r\u01a1i vu\u00f4ng g\u00f3c v\u1edbi m\u1eabu v\u00e0 ma s\u00e1t v\u00e0 l\u1ef1c k\u00e9o ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u khi r\u01a1i.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">N\u1ed9i dung ch\u00ednh sau khi ch\u1ec9nh s\u1eeda nh\u01b0 sau:<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u1eb7t m\u1eabu tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t n\u1eb1m ngang nh\u1eb5n, \u0111\u1eb7t m\u1ed9t thanh th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh (15,8 \u00b1 0,1) mm v\u00e0 chi\u1ec1u d\u00e0i \u00edt nh\u1ea5t 6 cm ho\u1eb7c k\u00edch th\u01b0\u1edbc d\u00e0i nh\u1ea5t c\u1ee7a cell pin (k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n) v\u00e0o t\u00e2m m\u1eabu v\u00e0 th\u1ea3 m\u1ed9t chi\u1ebfc b\u00faa n\u1eb7ng c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng (9,1 \u00b1 0,1) kg t\u1eeb \u0111\u1ed9 cao (61 \u00b1 2,5) cm \u0111\u1ebfn giao \u0111i\u1ec3m c\u1ee7a m\u1eabu v\u00e0 thanh. Khi th\u1ea3, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t thanh tr\u01b0\u1ee3t th\u1eb3ng \u0111\u1ee9ng g\u1ea7n nh\u01b0 kh\u00f4ng ma s\u00e1t v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ef1c k\u00e9o tr\u00ean b\u00faa. Thanh tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1eabn h\u01b0\u1edbng b\u00faa n\u1eb7ng ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef vu\u00f4ng g\u00f3c 90 \u00b0 v\u1edbi b\u1ec1 m\u1eb7t h\u1ed7 tr\u1ee3 n\u1eb1m ngang.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3) M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i \u0111\u1ec3 m\u00f4 ph\u1ecfng s\u1ef1 l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc do va ch\u1ea1m v\u00e0 nghi\u1ec1n n\u00e1t c\u1ee7a c\u00e1c v\u1eadt n\u1eb7ng c\u00f3 th\u1ec3 g\u00e2y ra \u0111o\u1ea3n m\u1ea1ch b\u00ean trong. B\u1ea3n s\u1eeda \u0111\u1ed5i n\u00e0y b\u1ed5 sung ph\u01b0\u01a1ng ph\u00e1p l\u1ef1a ch\u1ecdn cho T6, t\u1ee9c l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m kh\u00e1c nhau cho c\u00e1c lo\u1ea1i pin kh\u00e1c nhau, \u0111\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong ti\u00eau chu\u1ea9n n\u00e0y, c\u00f3 th\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng c\u1ee7a ti\u00eau chu\u1ea9n v\u00e0 c\u0169ng \u0111\u1eb7t n\u1ec1n t\u1ea3ng t\u1ed1t cho vi\u1ec7c tinh ch\u1ec9nh v\u00e0 c\u1ee7ng c\u1ed1 ti\u00eau chu\u1ea9n n\u00e0y trong t\u01b0\u01a1ng lai.<\/span><\/span><\/p>\n<h1><span id=\"5_Conclusion\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">5. K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/testing-standard\/un38-3\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">th\u1eed nghi\u1ec7m UN38.3 T6<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> s\u1ebd \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, nh\u01b0ng c\u00e1ch m\u00f4 ph\u1ecfng th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u00ean trong c\u1ee7a cell pin lithium v\u1eabn l\u00e0 ch\u1ee7 \u0111\u1ec1 c\u1ea7n nghi\u00ean c\u1ee9u. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a ch\u00ednh c\u00f4ng ngh\u1ec7 pin lithium v\u00e0 s\u1ef1 c\u1ea3i thi\u1ec7n li\u00ean t\u1ee5c c\u1ee7a c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n, vi\u1ec7c ph\u00e1t tri\u1ec3n d\u1ef1 \u00e1n th\u1eed nghi\u1ec7m n\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n. Ch\u1ec9 b\u1eb1ng c\u00e1ch li\u00ean t\u1ee5c nghi\u00ean c\u1ee9u v\u00e0 kh\u00e1m ph\u00e1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111i\u1ec7n h\u00f3a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ee7a pin lithium ion, ch\u00fang ta m\u1edbi c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m pin lithium v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m khoa h\u1ecdc h\u01a1n, c\u00f3 m\u1ee5c ti\u00eau h\u01a1n v\u00e0 kh\u1ea3 thi h\u01a1n. Do \u0111\u00f3, vi\u1ec7c \u0111\u00e1nh gi\u00e1 an to\u00e0n pin lithium c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1eadn chuy\u1ec3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e2ng cao.<\/span><\/span><\/p>\n<div class=\"blog-share text-center\">\n<div class=\"is-divider medium\"><\/div>\n<div class=\"social-icons share-icons share-row relative\"><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>3. Nghi\u00ean c\u1ee9u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed T6 \u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m T6, do s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a c\u00e1c lo\u1ea1i pin lithium hi\u1ec7n c\u00f3, c\u1ea7n ph\u1ea3i l\u1ef1a ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m kh\u00e1c nhau cho c\u00e1c lo\u1ea1i cell pin lithium kh\u00e1c nhau. Trong qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a nh\u00f3m l\u00e0m vi\u1ec7c v\u1ec1 pin lithium<\/p>\n","protected":false},"author":1,"featured_media":19753,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19752","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\/19752","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=19752"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19752\/revisions"}],"predecessor-version":[{"id":22025,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19752\/revisions\/22025"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19753"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}