{"id":19914,"date":"2021-12-09T06:39:39","date_gmt":"2021-12-09T06:39:39","guid":{"rendered":"http:\/\/dgbellvietnam.com\/ev-lithium-ion-power-battery-test-standard-part-2\/"},"modified":"2024-10-25T15:50:48","modified_gmt":"2024-10-25T08:50:48","slug":"ev-lithium-ion-power-battery-test-standard-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/ev-lithium-ion-power-battery-test-standard-part-2\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ki\u1ec3m tra pin \u0111i\u1ec7n EV Lithium Ion-Ph\u1ea7n 2"},"content":{"rendered":"
\n

2.1.2 Th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i\/x\u1ea3 qu\u00e1 ng\u01b0\u1ee1ng<\/span><\/span><\/span><\/h2>\n

\u0110\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i\/x\u1ea3 qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 x\u1ea3y ra khi vi\u1ec7c s\u1ea1c ho\u1eb7c x\u1ea3 pin v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n do nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ecfng b\u1ed9 s\u1ea1c. H\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh \u0111\u1ec1u quy \u0111\u1ecbnh m\u1ee5c ki\u1ec3m tra n\u00e0y<\/span><\/span><\/p>\n

C\u00e1c m\u1ed1i nguy hi\u1ec3m an to\u00e0n quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1ea1c qu\u00e1 m\u1ee9c l\u00e0 s\u1ef1 ph\u00e2n h\u1ee7y ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, s\u1ef1 c\u1ed1 cat\u1ed1t v\u00e0 anot, s\u1ef1 tho\u00e1i h\u00f3a m\u00e0ng ng\u0103n v\u00e0 s\u1ef1 ph\u00e2n h\u1ee7y t\u1ecfa nhi\u1ec7t c\u1ee7a l\u1edbp ph\u1ee7 lithium, d\u1eabn \u0111\u1ebfn pin qu\u00e1 nhi\u1ec7t v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t. N\u1ebfu \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 \u0111\u1ee7 cao (v\u00ed d\u1ee5 200 \u2103), ch\u1ea5t k\u1ebft d\u00ednh flo s\u1ebd tr\u1ea3i qua ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t v\u1edbi cacbon lithium. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m bao g\u1ed3m t\u1ed1c \u0111\u1ed9 s\u1ea1c v\u00e0 SOC cu\u1ed1i c\u00f9ng.<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i, s\u1ea1c pin theo d\u00f2ng \u0111i\u1ec7n s\u1ea1c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n s\u1ea1c cu\u1ed1i \u0111\u00e3 \u0111\u1eb7t (nh\u01b0 200% SOC, 130% SOC, v.v.) ho\u1eb7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 (nh\u01b0 ng\u1eaft s\u1ea1c, gi\u1ea3m d\u00f2ng \u0111i\u1ec7n, v.v.). C\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn trong c\u00e1c quy \u0111\u1ecbnh c\u1ee7a m\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh v\u1ec1 d\u00f2ng \u0111i\u1ec7n s\u1ea1c qu\u00e1 t\u1ea3i v\u00e0 \u0111i\u1ec1u ki\u1ec7n cu\u1ed1i s\u1ea1c, d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn trong k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m v\u00e0 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh kh\u00e1c nhau kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c. Nhi\u1ec7t \u0111\u1ed9 b\u1eaft \u0111\u1ea7u c\u1ee7a s\u1ef1 ch\u1ea1y tr\u1ed1n nhi\u1ec7t c\u1ee7a pin qu\u00e1 t\u1ea3i (SOC> 100%) cho th\u1ea5y nhi\u1ec7t \u0111\u1ed9 b\u1eaft \u0111\u1ea7u th\u1ea5p h\u01a1n (trong kho\u1ea3ng 65 ~ 80 \u2103).<\/span><\/span><\/p>\n

Tai n\u1ea1n nghi\u00eam tr\u1ecdng th\u01b0\u1eddng x\u1ea3y ra v\u1edbi c\u00e1c cell pin b\u1ecb s\u1ea1c qu\u00e1 m\u1ee9c nghi\u00eam tr\u1ecdng (v\u00ed d\u1ee5: g\u1ea5p \u0111\u00f4i dung l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c), nh\u01b0ng c\u00e1c chu k\u1ef3 s\u1ea1c\/x\u1ea3 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i \u1edf m\u1ee9c s\u1ea1c qu\u00e1 m\u1ee9c trung b\u00ecnh (110% SOC) c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch b\u00ean trong ho\u1eb7c h\u1ecfng pin.<\/span><\/span><\/p>\n

Ki\u1ec3m tra qu\u00e1 t\u1ea3i (ho\u1eb7c x\u1ea3 c\u01b0\u1ee1ng b\u1ee9c) c\u0169ng r\u1ea5t quan tr\u1ecdng. Nguy c\u01a1 an to\u00e0n trong qu\u00e1 tr\u00ecnh x\u1ea3 qu\u00e1 m\u1ee9c l\u00e0 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ef1c, d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ed9 thu anot v\u00e0 m\u1ea1 \u1edf ph\u00eda catot. Ngay c\u1ea3 qu\u00e1 t\u1ea3i nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00ecnh th\u00e0nh dendrite v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 \u0111o\u1ea3n m\u1ea1ch. Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra qu\u00e1 t\u1ea3i, h\u00e3y x\u1ea3 pin \u0111\u00e3 s\u1ea1c \u0111\u1ea7y (v\u00ed d\u1ee5: t\u1ed1c \u0111\u1ed9 1C trong 1,5 gi\u1edd ho\u1eb7c t\u1ed1c \u0111\u1ed9 x\u1ea3 C \/ 3 cho \u0111\u1ebfn khi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m tra ng\u1eaft ho\u1eb7c gi\u1edbi h\u1ea1n qu\u00e1 tr\u00ecnh x\u1ea3). C\u00e1c th\u00f4ng s\u1ed1 ki\u1ec3m tra c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh kh\u00e1c nhau r\u1ea5t kh\u00e1c nhau. C\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng k\u1ebft qu\u1ea3 ki\u1ec3m tra c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c ti\u00eau chu\u1ea9n ho\u1eb7c quy \u0111\u1ecbnh \u0111\u01b0\u1ee3c tu\u00e2n theo. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i th\u1ed1ng nh\u1ea5t c\u00e1c th\u00f4ng s\u1ed1 ki\u1ec3m tra cho c\u00e1c th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/span><\/span><\/p>\n

2.2 Th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/span><\/span><\/span><\/h1>\n

Th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ecfa ho\u1ea1n do nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau ho\u1eb7c tai n\u1ea1n do th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t. C\u00e1c th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 d\u01b0\u1edbi \u0111\u00e2y: th\u1eed nghi\u1ec7m s\u1ed1c nhi\u1ec7t v\u00e0 chu k\u1ef3, th\u1eed nghi\u1ec7m \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, th\u1eed nghi\u1ec7m qu\u00e1 nhi\u1ec7t v\u00e0 th\u1eed nghi\u1ec7m ch\u00e1y b\u00ean ngo\u00e0i.<\/span><\/span><\/p>\n

2.2.1 Th\u1eed nghi\u1ec7m chu k\u1ef3 v\u00e0 s\u1ed1c nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/span><\/h2>\n

B\u00e0i ki\u1ec3m tra n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 nh\u1eefng thay \u0111\u1ed5i v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a DUT do ti\u1ebfp x\u00fac v\u1edbi nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9t ng\u1ed9t (v\u00ed d\u1ee5, s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n pin khi xe v\u00e0o ho\u1eb7c ra kh\u1ecfi gara c\u00f3 s\u01b0\u1edfi \u1ea5m ho\u1eb7c \u0111\u00f4ng l\u1ea1nh trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n). Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra s\u1ed1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 chu k\u1ef3, DUT s\u1ebd ch\u1ecbu \u0111\u01b0\u1ee3c hai gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, v\u00e0 duy tr\u00ec th\u1eddi gian quy \u0111\u1ecbnh d\u01b0\u1edbi m\u1ed7i gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9. C\u00e1c b\u00e0i ki\u1ec3m tra s\u1ed1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 chu k\u1ef3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u00f3 c\u00e1c gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a kh\u00e1c nhau. Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh l\u00e0 – 40 \u00b0 C (nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u c\u1ee7a IEC62660-2 khi v\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp l\u00e0 – 20 \u2103), m\u1eb7c d\u00f9 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n l\u00e0 kh\u00e1c nhau.<\/span><\/span><\/p>\n

\u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 UN \/ <\/span><\/span>ECER-100<\/span><\/span><\/a> .02:2013 cho ph\u00e9p v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m n\u00e0y, trong khi \u1edf c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf kh\u00e1c, thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a, \u0111i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m tr\u1edf n\u00ean nghi\u00eam ng\u1eb7t h\u01a1n.<\/span><\/span><\/p>\n

2.2.2 Th\u1eed nghi\u1ec7m \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/span><\/span><\/span><\/h2>\n

Th\u1eed nghi\u1ec7m n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a pin \u1edf nhi\u1ec7t \u0111\u1ed9 cao nh\u1eb1m x\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 b\u1eaft \u0111\u1ea7u c\u1ee7a pin b\u1ecb m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t ho\u1eb7c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin s\u1ebd \u0111\u01b0\u1ee3c t\u0103ng theo c\u00e1c b\u01b0\u1edbc 5 \u2103 \/ ph\u00fat, t\u0103ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 quy \u0111\u1ecbnh v\u00e0 duy tr\u00ec trong 30 ph\u00fat ho\u1eb7c cho \u0111\u1ebfn khi x\u1ea3y ra h\u01b0 h\u1ecfng l\u1edbn \u0111\u1ed1i v\u1edbi DUT.<\/span><\/span><\/p>\n

Quy \u0111\u1ecbnh c\u1ee7a SAEJ2464:2009 nghi\u00eam ng\u1eb7t h\u01a1n. Kh\u00f4ng ch\u1ec9 y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 t\u0103ng nhi\u1ec7t \u0111\u1ed9 l\u00e0 5 \u2103 \/ ph\u00fat, m\u00e0 c\u00f2n ph\u1ea3i duy tr\u00ec trong 30 ph\u00fat \u1edf m\u1ed7i b\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9, m\u00e0 c\u00f2n ph\u1ea3i \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a l\u00e0 300 \u2103 (cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c t\u1ed1i \u0111a c\u1ee7a pin) cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t 300 \u2103 ho\u1eb7c x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 gia nhi\u1ec7t (l\u1edbn h\u01a1n 1,0 \u2103 \/ ph\u00fat). \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 th\u1eddi gian b\u1eaft \u0111\u1ea7u ch\u1ea1y tr\u1ed1n nhi\u1ec7t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a pin.<\/span><\/span><\/p>\n

C\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a pin \u1edf nhi\u1ec7t \u0111\u1ed9 cao. M\u1ee5c \u0111\u00edch kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i nhi\u1ec7t \u0111\u1ed9 cao, m\u00e0 l\u00e0 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a DUT \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3. Pin \u0111\u01b0\u1ee3c th\u00eam v\u00e0o theo c\u00e1c b\u01b0\u1edbc 5 \u2103 \/ ph\u00fat t\u1eeb nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, t\u0103ng l\u00ean 130 \u2103 v\u00e0 \u0111\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong 30 ph\u00fat. M\u1eb7c d\u00f9 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng, nh\u01b0ng ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u r\u1ed9ng r\u00e3i trong t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n.<\/span><\/span><\/p>\n

2.2.3 Th\u1eed nghi\u1ec7m qu\u00e1 nhi\u1ec7t<\/span><\/span><\/span><\/h2>\n

Ki\u1ec3m tra qu\u00e1 nhi\u1ec7t (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ea1c\/x\u1ea3 nhanh, ki\u1ec3m tra b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t) nh\u1eb1m \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ed7i ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c l\u1ed7i ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 kh\u00e1c \u0111\u1ed1i v\u1edbi t\u00ecnh tr\u1ea1ng qu\u00e1 nhi\u1ec7t b\u00ean trong pin.<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m n\u00e0y, c\u1ea3 ti\u00eau chu\u1ea9n EU v\u00e0 qu\u1ed1c t\u1ebf \u0111\u1ec1u y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng (v\u00ed d\u1ee5 nh\u01b0 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t) c\u1ee7a DUT ph\u1ea3i \u0111\u01b0\u1ee3c t\u1eaft v\u00e0 th\u1eed nghi\u1ec7m x\u1ea3 \u0111i\u1ec7n t\u00edch ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n li\u00ean t\u1ee5c. Kh\u00f4ng c\u00f3 kho\u1ea3ng th\u1eddi gian gi\u1eefa qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u1ee7a DUT t\u0103ng l\u00ean. Ba ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong kh\u00f4ng gian h\u1ea1n ch\u1ebf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng b\u1eaft l\u1eeda c\u1ee7a b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u kh\u00ed n\u00e0o tho\u00e1t ra t\u1eeb pin trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

Ti\u00eau chu\u1ea9n UN \/ ECE-R100.02:2013 c\u00f3 li\u00ean quan kh\u00f4ng y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong kh\u00f4ng gian h\u1ea1n ch\u1ebf. T\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ec1u y\u00eau c\u1ea7u ch\u1ea5m d\u1ee9t th\u1eed nghi\u1ec7m trong tr\u01b0\u1eddng h\u1ee3p DUT b\u1ecb h\u1ecfng (v\u00ed d\u1ee5, r\u00f2 r\u1ec9 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, v\u1ee1, ch\u00e1y ho\u1eb7c n\u1ed5).<\/span><\/span><\/p>\n

2.2.4 Th\u1eed l\u1eeda b\u00ean ngo\u00e0i<\/span><\/span><\/span><\/h2>\n

M\u1ee5c \u0111\u00edch c\u1ee7a th\u1eed nghi\u1ec7m ch\u00e1y b\u00ean ngo\u00e0i l\u00e0 \u0111\u00e1nh gi\u00e1 nguy c\u01a1 n\u1ed5 c\u1ee7a pin ho\u1eb7c xe khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c ng\u1ecdn l\u1eeda b\u00ean ngo\u00e0i. Ngu\u1ed3n ch\u00e1y c\u00f3 th\u1ec3 do r\u00f2 r\u1ec9 nhi\u00ean li\u1ec7u t\u1eeb ch\u00ednh xe ho\u1eb7c c\u00e1c xe g\u1ea7n \u0111\u00f3.<\/span><\/span><\/p>\n

Ba lo\u1ea1i th\u1eed nghi\u1ec7m:<\/span><\/span><\/p>\n

(1) Ki\u1ec3m tra nhi\u1ec7t b\u1ee9c x\u1ea1: Pin SAEJ 2464:2009 (100% SOC)<\/span><\/span><\/p>\n

\u0110\u1eb7t trong m\u1ed9t thi\u1ebft b\u1ecb kim lo\u1ea1i h\u00ecnh tr\u1ee5, \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng b\u1eb1ng b\u1ee9c x\u1ea1. Nhi\u1ec7t \u0111\u1ed9 ph\u1ea3i \u0111\u1ea1t 890 \u2103 trong v\u00f2ng 90 gi\u00e2y v\u00e0 duy tr\u00ec trong 10 ph\u00fat. Ghi l\u1ea1i qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m pin ho\u1eb7c sau khi th\u1eed nghi\u1ec7m, bao g\u1ed3m bi\u1ebfn d\u1ea1ng, r\u00f2 r\u1ec9, ch\u00e1y, n\u1ed5, v.v.<\/span><\/span><\/p>\n

(2) Th\u1eed nghi\u1ec7m \u0111\u1ea1n: SAEJ 2929:2013 ph\u01a1i DUT trong ng\u1ecdn l\u1eeda \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 bao quanh DUT b\u1eb1ng l\u01b0\u1edbi th\u00e9p, sao cho c\u00e1c m\u1ea3nh v\u1ee1 do pin n\u1ed5 kh\u00f4ng th\u1ec3 xuy\u00ean qua l\u01b0\u1edbi th\u00e9p. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng pin ph\u1ea3i ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 m\u00f4i tr\u01b0\u1eddng ng\u1ecdn l\u1eeda cho \u0111\u1ebfn khi h\u1ec7 th\u1ed1ng pin ch\u00e1y ho\u00e0n to\u00e0n. Khi \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n n\u00e0y, h\u00e3y th\u00e1o ngu\u1ed3n nhi\u1ec7t b\u00ean ngo\u00e0i v\u00e0 ngu\u1ed3n l\u1eeda v\u00e0 \u0111\u1ec3 h\u1ec7 th\u1ed1ng pin ti\u1ebfp t\u1ee5c ch\u00e1y. Khi kh\u00f4ng nh\u00ecn th\u1ea5y ng\u1ecdn l\u1eeda, th\u1eed nghi\u1ec7m \u0111\u00e3 ho\u00e0n t\u1ea5t v\u00e0 th\u1eddi gian quan s\u00e1t b\u1eaft \u0111\u1ea7u sau khi th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

(3) Th\u1eed nghi\u1ec7m \u0111\u1ed1t ch\u00e1y ch\u1ea3o d\u1ea7u: th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong <\/span><\/span>UN<\/span><\/span><\/a> \/ ECE-R 100.02: 2013 v\u00e0 iso6469-1: 2019 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111\u1ed1t nhi\u00ean li\u1ec7u trong ch\u1ea3o d\u1ea7u. DUT \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u00e0n ma s\u00e1t ph\u00eda tr\u00ean \u0111\u0129a th\u1eed nghi\u1ec7m \u0111\u00e3 n\u1ea1p nhi\u00ean li\u1ec7u. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u trong \u0111\u0129a th\u1eed nghi\u1ec7m c\u00e1ch DUT \u00edt nh\u1ea5t 3M v\u00e0 l\u00e0m n\u00f3ng tr\u01b0\u1edbc DUT trong 60 gi\u00e2y. Sau \u0111\u00f3, \u0111\u1eb7t ch\u1ea3o nhi\u00ean li\u1ec7u b\u00ean d\u01b0\u1edbi DUT (kho\u1ea3ng c\u00e1ch l\u00e0 50cm ho\u1eb7c chi\u1ec1u cao t\u1eeb m\u1eb7t \u0111\u1ea5t c\u1ee7a b\u1ec1 m\u1eb7t \u0111\u00e1y c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m khi xe kh\u00f4ng t\u1ea3i ho\u1eb7c theo th\u1ecfa thu\u1eadn gi\u1eefa nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 kh\u00e1ch h\u00e0ng) v\u00e0 ph\u01a1i DUT tr\u1ef1c ti\u1ebfp v\u00e0o ng\u1ecdn l\u1eeda trong 70 gi\u00e2y. \u0110\u1eady t\u1ea5m che ch\u1ecbu l\u1eeda tr\u00ean ch\u1ea3o d\u1ea7u v\u00e0 th\u1eed nghi\u1ec7m DUT \u1edf tr\u1ea1ng th\u00e1i n\u00e0y trong 60 gi\u00e2y. Th\u00e1o khay d\u1ea7u v\u00e0 quan s\u00e1t trong 3 gi\u1edd theo UN \/ ECE-R 100.02:2013 v\u00e0 ISO 6469-1:2019 ho\u1eb7c cho \u0111\u1ebfn khi DUT \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. N\u1ebfu kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u n\u1ed5 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, th\u00ec th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u00f4ng qua.<\/span><\/span><\/p>\n

3. K\u1ebft lu\u1eadn<\/span><\/span><\/span><\/h1>\n

B\u00e0i b\u00e1o n\u00e0y th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch so s\u00e1nh to\u00e0n di\u1ec7n c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh kh\u00e1c nhau v\u1ec1 hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin lithium-ion cho xe \u0111i\u1ec7n trong c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m v\u1ec1 an to\u00e0n \u0111i\u1ec7n v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. So s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh n\u00e0y. C\u00e1c k\u1ebft lu\u1eadn sau \u0111\u00e2y \u0111\u01b0\u1ee3c r\u00fat ra t\u1eeb ph\u00e2n t\u00edch \u0111\u00e3 th\u1ef1c hi\u1ec7n:<\/span><\/span><\/p>\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m (v\u00ed d\u1ee5 SOC, nhi\u1ec7t \u0111\u1ed9) c\u1ee7a m\u1ed9t s\u1ed1 th\u1eed nghi\u1ec7m (v\u00ed d\u1ee5 qu\u00e1 t\u1ea3i, s\u1ed1c nhi\u1ec7t, ch\u00e1y b\u00ean ngo\u00e0i, v.v.) kh\u00e1 r\u1ed9ng. \u0110i\u1ec1u n\u00e0y khi\u1ebfn c\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c nhau kh\u00f4ng th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c th\u00f4ng s\u1ed1 c\u00f3 th\u1ec3 l\u00e0 do c\u00e1c k\u1ecbch b\u1ea3n kh\u00e1c nhau \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ti\u00eau chu\u1ea9n xem x\u00e9t. \u0110\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m c\u00f4ng b\u1eb1ng v\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, n\u00ean th\u1ed1ng nh\u1ea5t c\u00e1c th\u00f4ng s\u1ed1 v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m. V\u00ec tr\u01b0\u1eddng h\u1ee3p x\u1ea5u nh\u1ea5t th\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng v\u1edbi SOC t\u1ed1i \u0111a, n\u00ean vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m c\u00f3 li\u00ean quan trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 h\u1ee3p l\u00fd. H\u1ea7u h\u1ebft c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 y\u00eau c\u1ea7u 100% SOC, nh\u01b0ng quy \u0111\u1ecbnh UN \/ ECE-R100.02:2013 cho ph\u00e9p th\u1eed nghi\u1ec7m \u1edf m\u1ee9c kh\u00f4ng d\u01b0\u1edbi 50% SOC.<\/span><\/span><\/p>\n

C\u0169ng c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn kh\u1ea3 n\u0103ng so s\u00e1nh c\u1ee7a c\u00e1c th\u1eed nghi\u1ec7m th\u00e0nh ph\u1ea7n c\u1ee7a cell pin, m\u00f4-\u0111un v\u00e0 b\u1ed9 pin. V\u00ed d\u1ee5, \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng d\u00f2ng \u0111i\u1ec7n ban \u0111\u1ea7u x\u1ea3y ra trong th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi k\u00edch th\u01b0\u1edbc c\u1ee7a DUT v\u00e0 lo\u1ea1i k\u1ebft n\u1ed1i c\u1ee7a n\u00f3 (t\u1ee9c l\u00e0 song song ho\u1eb7c n\u1ed1i ti\u1ebfp).<\/span><\/span><\/p>\n

Theo quan \u0111i\u1ec3m v\u1ec1 an to\u00e0n \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t \u0111\u1ed1i v\u1edbi pin lithium-ion (cell pin, m\u00f4-\u0111un pin, b\u1ed9 pin ho\u1eb7c h\u1ec7 th\u1ed1ng) d\u00e0nh cho xe \u0111i\u1ec7n, c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m theo y\u00eau c\u1ea7u c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh kh\u00e1c nhau l\u00e0 kh\u00f4ng nh\u1ea5t qu\u00e1n, do \u0111\u00f3 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m c\u1ee7a c\u00f9ng m\u1ed9t h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/span><\/span><\/p>\n

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

2.1.2 Th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i\/x\u1ea3 qu\u00e1 ng\u01b0\u1ee1ng \u0110\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i\/x\u1ea3 qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 x\u1ea3y ra khi vi\u1ec7c s\u1ea1c ho\u1eb7c x\u1ea3 pin v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n do nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ecfng b\u1ed9 s\u1ea1c. H\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0<\/p>\n","protected":false},"author":1,"featured_media":19915,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19914","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\/19914","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=19914"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19914\/revisions"}],"predecessor-version":[{"id":22115,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19914\/revisions\/22115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19915"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}