{"id":19585,"date":"2024-03-28T02:56:42","date_gmt":"2024-03-28T02:56:42","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-ion-battery-vibration-test\/"},"modified":"2024-10-13T10:36:06","modified_gmt":"2024-10-13T03:36:06","slug":"lithium-ion-battery-vibration-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-ion-battery-vibration-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m rung pin Lithium-ion"},"content":{"rendered":"
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Pin lithium ion g\u00e2y ra r\u1ee7i ro an to\u00e0n trong c\u1ea3 h\u00e0ng kh\u00f4ng d\u00e2n d\u1ee5ng v\u00e0 v\u1eadn t\u1ea3i \u0111\u01b0\u1eddng b\u1ed9, c\u0169ng nh\u01b0 trong v\u1eadn t\u1ea3i v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng. \u0110\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, t\u00e1c \u0111\u1ed9ng c\u1ee7a rung \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion trong \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. Trong \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n \u00e1p th\u1ea5p, rung \u0111\u1ed9ng c\u01a1 h\u1ecdc g\u00e2y ra s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion v\u00e0 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 th\u1eddi gian b\u1eadt c\u1ee7a van an to\u00e0n.<\/span><\/p>\n

Rung \u0111\u1ed9ng c\u01a1 h\u1ecdc t\u1ea7n s\u1ed1 th\u1ea5p v\u00e0 bi\u00ean \u0111\u1ed9 l\u1edbn \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0111o\u1ea3n m\u1ea1ch pin, trong khi rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 \u0111\u00e1nh l\u1eeda v\u00e0 th\u1ec3 t\u00edch x\u1ea3 c\u1ee7a pin lithium. \u0110\u1ed1i v\u1edbi pin lithium-ion 18650, nhi\u1ec7t \u0111\u1ed9 m\u00e0 van an to\u00e0n b\u1eadt ra l\u00e0 t\u1eeb 140 ~ 150 \u2103. Khi van an to\u00e0n b\u1eadt ra, c\u01b0\u1eddng \u0111\u1ed9 gi\u1ea3i ph\u00f3ng kh\u00ed t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00e0 t\u00edn hi\u1ec7u kh\u00ed c\u00f3 th\u1ec3 l\u00e0 bi\u1ebfn s\u1ed1 ch\u00ednh \u0111\u1ec3 c\u1ea3nh b\u00e1o an to\u00e0n pin lithium. Sau rung \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p th\u1ea5p, dung l\u01b0\u1ee3ng x\u1ea3 c\u1ee7a pin lithium-ion nh\u1ecf h\u01a1n pin g\u1ed1c v\u00e0 t\u1ed1c \u0111\u1ed9 x\u1ea3 nhanh h\u01a1n pin g\u1ed1c<\/span><\/p>\n

1. Lo\u1ea1i h\u1ecfng pin lithium-ion<\/span><\/strong><\/span><\/h1>\n

L\u00e0 \u201ctr\u00e1i tim\u201d c\u1ee7a \u00f4 t\u00f4, pin lithium-ion quy\u1ebft \u0111\u1ecbnh qu\u00e3ng \u0111\u01b0\u1eddng m\u00e0 \u00f4 t\u00f4 di chuy\u1ec3n. H\u1ec7 th\u1ed1ng pin lithium-ion bao g\u1ed3m b\u1ed1n th\u00e0nh ph\u1ea7n ch\u00ednh: m\u00f4-\u0111un pin (cell \u0111\u01a1n n\u1ed1i ti\u1ebfp song song), h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin (BMS), h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n v\u00e0 c\u01a1 kh\u00ed. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a BM l\u00e0 theo d\u00f5i \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin theo th\u1eddi gian th\u1ef1c th\u00f4ng qua c\u00e1c c\u1ea3m bi\u1ebfn v\u1ecf, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, chip \u0111i\u1ec1u khi\u1ec3n ch\u00ednh, v.v. Tuy nhi\u00ean, do qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a v\u00e0 ph\u00e2n h\u1ee7y b\u00ean trong c\u1ee7a t\u1eebng pin ri\u00eang l\u1ebb trong c\u1ee5m pin, c\u0169ng nh\u01b0 s\u1ef1 \u0103n m\u00f2n c\u1ee7a m\u1ea1ch trong qu\u00e1 tr\u00ecnh nh\u00f3m pin, ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u00fang c\u00e1ch trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i b\u1ea5t th\u01b0\u1eddng nh\u01b0 s\u1ea1c qu\u00e1 m\u1ee9c v\u00e0 x\u1ea3 qu\u00e1 m\u1ee9c. T\u00e1c \u0111\u1ed9ng k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i n\u00e0y d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u1ee7a pin. C\u00e1c l\u1ed7i b\u00ean trong c\u1ee7a pin lithium-ion c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh c\u00e1c lo\u1ea1i nh\u01b0 s\u1ea1c qu\u00e1 m\u1ee9c, x\u1ea3 qu\u00e1 m\u1ee9c, ng\u1eafn m\u1ea1ch b\u00ean trong v\u00e0 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t.<\/span><\/p>\n

L\u1ed7i b\u00ean trong l\u00e0 do BMS v\u00e0 ch\u00ednh c\u1ea3m bi\u1ebfn b\u1ecb tr\u1ee5c tr\u1eb7c, khi\u1ebfn c\u1ea3m bi\u1ebfn kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. M\u1eb7t kh\u00e1c, l\u1ed7i n\u00e0y l\u00e0 do ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a v\u00e0 \u0111o\u1ea3n m\u1ea1ch b\u00ean trong c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a pin, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng dendrite lithium. Tuy nhi\u00ean, nguy c\u01a1 h\u1ecfng h\u00f3c b\u00ean ngo\u00e0i trong pin lithium-ion th\u01b0\u1eddng l\u1edbn h\u01a1n h\u1ecfng h\u00f3c b\u00ean trong. H\u1ecfng h\u00f3c b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 g\u00e2y ra ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n h\u1ecfng h\u00f3c b\u00ean trong, cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng n\u00f3ng kh\u00f4ng ki\u1ec3m so\u00e1t. H\u1ecfng h\u00f3c c\u1ea3m bi\u1ebfn th\u01b0\u1eddng l\u00e0 l\u1ed7i d\u1ec5 b\u1ecb b\u1ecf qua nh\u1ea5t, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng.<\/span><\/p>\n

BMS d\u1ef1a v\u00e0o c\u00e1c c\u1ea3m bi\u1ebfn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ee9c n\u0103ng nh\u01b0 \u0111i\u1ec1u khi\u1ec3n c\u00e2n b\u1eb1ng, ch\u1ea9n \u0111o\u00e1n l\u1ed7i v\u00e0 \u01b0\u1edbc t\u00ednh Tr\u1ea1ng th\u00e1i s\u1ea1c (SOC). N\u1ebfu c\u1ea3m bi\u1ebfn g\u1eb7p ph\u1ea3i \u0111\u1ed9 l\u1ec7ch, tr\u00f4i ho\u1eb7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, n\u00f3 kh\u00f4ng th\u1ec3 l\u1ea5y d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u00e0 \u0111\u01b0a ra c\u00e1c ph\u00e1n \u0111o\u00e1n ch\u00ednh x\u00e1c v\u00e0 h\u1ee3p l\u00fd v\u1ec1 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a pin. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t m\u00e0 c\u00f2n g\u00e2y ra c\u00e1c tai n\u1ea1n an to\u00e0n l\u1edbn. Tuy nhi\u00ean, do c\u00e1c c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c che gi\u1ea5u nhi\u1ec1u n\u00ean vi\u1ec7c ch\u1ea9n \u0111o\u00e1n r\u1ea5t kh\u00f3 kh\u0103n, \u0111\u00e2y c\u0169ng l\u00e0 tr\u1ecdng t\u00e2m v\u00e0 kh\u00f3 kh\u0103n c\u1ee7a nghi\u00ean c\u1ee9u c\u1ea3m bi\u1ebfn hi\u1ec7n t\u1ea1i.<\/span><\/p>\n

BMS qu\u1ea3n l\u00fd c\u00e1c b\u1ed9 pin \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb h\u00e0ng tr\u0103m ho\u1eb7c th\u1eadm ch\u00ed h\u00e0ng ngh\u00ecn pin ri\u00eang l\u1ebb. Do c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u01b0\u01a1ng t\u1ef1 c\u1ee7a l\u1ed7i cell pin, l\u1ed7i c\u1ea3m bi\u1ebfn v\u00e0 l\u1ed7i \u0111\u1ea7u n\u1ed1i, c\u0169ng nh\u01b0 th\u1ef1c t\u1ebf l\u00e0 nhi\u1ec1u l\u1ed7i v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 nh\u1ecf v\u00e0 r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n, n\u00ean r\u1ea5t kh\u00f3 \u0111\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh ch\u00fang. Do \u0111\u00f3, BMS \u0111\u00f4i khi g\u00e2y ra ch\u1ea9n \u0111o\u00e1n sai v\u00e0 v\u1eadn h\u00e0nh sai. \u0110i\u1ec1u quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 an to\u00e0n c\u1ee7a \u00f4 t\u00f4 l\u00e0 ph\u00e1t hi\u1ec7n nhanh ch\u00f3ng v\u00e0 ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c nhi\u1ec1u l\u1ed7i pin. Qu\u00e1 tr\u00ecnh ch\u1ea9n \u0111o\u00e1n l\u1ed7i pin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1n kh\u00eda c\u1ea1nh: ph\u00e1t hi\u1ec7n l\u1ed7i, ph\u00e2n lo\u1ea1i l\u1ed7i, \u0111\u1ecbnh v\u1ecb l\u1ed7i v\u00e0 c\u00f4 l\u1eadp l\u1ed7i. X\u1eed l\u00fd d\u1eef li\u1ec7u c\u1ee7a pin \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng trong ch\u1ea9n \u0111o\u00e1n l\u1ed7i pin v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c kh\u1eed nhi\u1ec5u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c minh hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1ecdc h\u00ecnh th\u00e1i to\u00e1n h\u1ecdc.<\/span><\/p>\n

2. V\u1ea5n \u0111\u1ec1 v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n \u0111o \u0111i\u1ec7n \u00e1p<\/span><\/strong><\/span><\/h1>\n

(1) Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin ch\u1ec9 c\u00f3 th\u1ec3 \u0111o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u cu\u1ed1i c\u1ee7a t\u1eebng pin ri\u00eang l\u1ebb trong b\u1ed9 pin. \u0110\u1ec3 gi\u00e1 tr\u1ecb \u0111o \u0111i\u1ec7n \u00e1p bao g\u1ed3m \u0111i\u1ec7n \u00e1p t\u1ea1i c\u00e1c \u0111\u1ea7u cu\u1ed1i ri\u00eang l\u1ebb v\u00e0 \u0111i\u1ec7n \u00e1p tr\u00ean c\u00e1c \u0111\u1ea7u n\u1ed1i, c\u1ea7n ph\u1ea3i th\u00eam c\u00e1c \u0111\u01b0\u1eddng \u0111o b\u1ed5 sung, \u0111i\u1ec1u n\u00e0y ch\u1eafc ch\u1eafn l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a thi\u1ebft b\u1ecb. N\u1ebfu khi b\u1eaft \u0111\u1ea7u thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin, \u0111i\u1ec7n \u00e1p thu th\u1eadp \u0111\u01b0\u1ee3c bao g\u1ed3m \u0111i\u1ec7n \u00e1p \u0111\u1ea7u cu\u1ed1i v\u00e0 \u0111i\u1ec7n \u00e1p tr\u00ean \u0111\u1ea7u n\u1ed1i, \u0111i\u1ec1u n\u00e0y s\u1ebd khi\u1ebfn h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin kh\u00f4ng th\u1ec3 l\u1ea5y ch\u00ednh x\u00e1c \u0111i\u1ec7n \u00e1p \u0111\u1ea7u cu\u1ed1i c\u1ee7a pin v\u00e0 do \u0111\u00f3 kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 vi\u1ec7c s\u1ea1c v\u00e0 x\u1ea3 pin, d\u1ec5 x\u1ea3y ra l\u1ed7i s\u1ea1c qu\u00e1 m\u1ee9c v\u00e0 x\u1ea3 qu\u00e1 m\u1ee9c<\/span><\/p>\n

(2) Nh\u1eefng thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p do thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf b\u00ean trong c\u1ee7a pin t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u1eefng thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p trong qu\u00e1 tr\u00ecnh l\u1ed7i k\u1ebft n\u1ed1i. C\u1ea3 hai \u0111\u1ec1u c\u00f3 c\u00f9ng c\u1ea5p \u0111\u1ed9, do \u0111\u00f3, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n d\u1ef1a tr\u00ean t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p c\u0169ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi th\u00e1ch th\u1ee9c l\u00e0 ph\u00e2n bi\u1ec7t gi\u1eefa l\u1ed7i k\u1ebft n\u1ed1i v\u00e0 l\u1ed7i c\u00f3 \u0111i\u1ec7n tr\u1edf b\u00ean trong c\u1ee7a pin t\u0103ng l\u00ean.<\/span><\/p>\n

(3) Khi x\u1ea3y ra s\u1ef1 l\u1ecfng l\u1ebbo k\u1ebft n\u1ed1i nh\u1eb9 trong b\u1ed9 pin, s\u1ef1 gia t\u0103ng \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac r\u1ea5t nh\u1ecf. N\u1ebfu d\u00f2ng \u0111i\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a b\u1ed9 pin nh\u1ecf, l\u1ed7i k\u1ebft n\u1ed1i nh\u01b0 v\u1eady s\u1ebd kh\u00f4ng g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 trong t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p. Do \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n d\u1ef1a tr\u00ean t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean c\u00f3 th\u1ec3 kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c s\u1ef1 l\u1ecfng l\u1ebbo k\u1ebft n\u1ed1i nh\u1eb9 s\u1edbm.<\/span><\/p>\n

3. T\u00e1c \u0111\u1ed9ng c\u1ee7a <\/span>rung<\/span><\/a><\/strong><\/span><\/h1>\n

Ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m s\u1ea1c v\u00e0 x\u1ea3 \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n tr\u00ean pin \u0111\u01b0\u1ee3c x\u1eed l\u00fd rung \u0111i\u1ec7n \u00e1p th\u1ea5p, \u0111\u1ec3 ch\u1ee9ng minh nh\u1eefng thay \u0111\u1ed5i v\u1ec1 hi\u1ec7u su\u1ea5t s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a pin lithium sau khi v\u1eadn chuy\u1ec3n b\u1eb1ng m\u00e1y bay. K\u1ebft qu\u1ea3 cho th\u1ea5y sau khi x\u1eed l\u00fd t\u1ea7n s\u1ed1 rung \u1edf 60 Hz v\u00e0 80 Hz trong m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n \u00e1p th\u1ea5p, hi\u1ec7u \u1ee9ng s\u1ea1c th\u1ea5p h\u01a1n pin ban \u0111\u1ea7u v\u00e0 x\u1eed l\u00fd 60 Hz c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 nh\u1ea5t \u0111\u1ebfn dung l\u01b0\u1ee3ng c\u1ee7a pin lithium;<\/span><\/p>\n

C\u00e1c t\u1ea7n s\u1ed1 rung \u0111\u1ed9ng kh\u00e1c \u0111\u1ec1u l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 s\u1ea1c, v\u00e0 s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 \u1edf t\u1ea7n s\u1ed1 120 Hz. Trong qu\u00e1 tr\u00ecnh x\u1ea3, \u0111\u01b0\u1eddng cong pin lithium-ion v\u1edbi x\u1eed l\u00fd rung \u0111\u1ed9ng 120 Hz c\u00f3 \u0111\u1ed9 l\u1ec7ch l\u1edbn nh\u1ea5t, trong khi \u0111\u01b0\u1eddng cong v\u1edbi 200 Hz c\u00f3 \u0111\u1ed9 l\u1ec7ch nh\u1ecf nh\u1ea5t. C\u00e1c \u0111\u1ed9 l\u1ec7ch c\u00f2n l\u1ea1i dao \u0111\u1ed9ng t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn, bao g\u1ed3m 60 Hz, 80 Hz, 180 Hz, 160 Hz, 140 Hz v\u00e0 100 Hz.<\/span><\/p>\n

Ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng kh\u00f4ng c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan t\u00edch c\u1ef1c gi\u1eefa t\u1ea7n s\u1ed1 rung v\u00e0 t\u00ecnh tr\u1ea1ng ph\u00f3ng \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ch\u1ec9 ra r\u1eb1ng thi\u1ec7t h\u1ea1i cho c\u1ea5u tr\u00fac do rung \u0111\u1ed9ng g\u00e2y ra c\u00f3 li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a c\u1ea5u tr\u00fac pin \u0111\u1ed1i v\u1edbi t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9. M\u1ed9t s\u1ed1 t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng c\u00f3 thi\u1ec7t h\u1ea1i l\u1edbn h\u01a1n \u0111\u1ed1i v\u1edbi c\u1ea5u tr\u00fac c\u1ee7a pin lithium 18650.<\/span><\/p>\n

T\u1eeb so s\u00e1nh t\u1ed5ng th\u1ec3 c\u1ee7a \u0111\u01b0\u1eddng cong s\u1ea1c v\u00e0 x\u1ea3, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng dung l\u01b0\u1ee3ng x\u1ea3 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i pin \u0111\u00e3 rung \u0111\u1ec1u nh\u1ecf h\u01a1n pin g\u1ed1c v\u00e0 t\u1ed1c \u0111\u1ed9 x\u1ea3 nhanh h\u01a1n pin g\u1ed1c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ch\u1ec9 ra r\u1eb1ng dung l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t x\u1ea3 c\u1ee7a pin s\u1ebd b\u1ecb h\u1ecfng do rung \u0111\u1ed9ng c\u01a1 h\u1ecdc.<\/span><\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, sau khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng rung \u0111\u1ed9ng c\u01a1 h\u1ecdc, m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac gi\u1eefa \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u0111i\u1ec7n c\u1ef1c \u00e2m trong ch\u1ea5t \u0111i\u1ec7n ph\u00e2n c\u1ee7a pin lithium-ion s\u1ebd thay \u0111\u1ed5i, d\u1eabn \u0111\u1ebfn di\u1ec7n t\u00edch ti\u1ebfp x\u00fac gi\u1eefa \u0111i\u1ec7n c\u1ef1c v\u00e0 dung d\u1ecbch \u0111i\u1ec7n ph\u00e2n thay \u0111\u1ed5i, c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh truy\u1ec1n ion lithium sang \u0111i\u1ec7n c\u1ef1c \u00e2m trong qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3, do \u0111\u00f3 l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng lithium \u0111\u01b0\u1ee3c nh\u00fang trong \u0111i\u1ec7n c\u1ef1c \u00e2m.<\/span><\/p>\n

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

B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 xu\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n l\u1ed7i cho c\u00e1c k\u1ebft n\u1ed1i b\u1ed9 pin lithium-ion d\u1ef1a tr\u00ean c\u00e1c t\u00edn hi\u1ec7u rung \u0111\u1ed9ng c\u01a1 h\u1ecdc v\u00e0 thu \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft lu\u1eadn sau. S\u1eed d\u1ee5ng c\u00e1c t\u1ea5m g\u1ed1m \u00e1p \u0111i\u1ec7n kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o ra s\u1ef1 k\u00edch th\u00edch rung \u0111\u1ed9ng, \u0111o ph\u1ea3n \u1ee9ng rung \u0111\u1ed9ng v\u00e0 tr\u00edch xu\u1ea5t c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m th\u1eddi gian-t\u1ea7n s\u1ed1 t\u1eeb t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ph\u00e2n lo\u1ea1i c\u00e1c ch\u1ebf \u0111\u1ed9 l\u1ed7i k\u1ebft n\u1ed1i \u0111i\u1ec3m \u0111\u01a1n v\u00e0 \u0111a \u0111i\u1ec3m. C\u00f4ng vi\u1ec7c trong t\u01b0\u01a1ng lai s\u1ebd t\u1ed1i \u01b0u h\u00f3a b\u1ed1 c\u1ee5c c\u1ee7a c\u00e1c t\u1ea5m g\u1ed1m \u00e1p \u0111i\u1ec7n, thu th\u1eadp c\u00e1c t\u00edn hi\u1ec7u rung \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng xe v\u00e0 l\u00e0m cho ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n l\u1ed7i k\u1ebft n\u1ed1i c\u1ee7a b\u1ed9 pin lithium-ion trong xe.<\/span><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Pin lithium ion g\u00e2y ra r\u1ee7i ro an to\u00e0n trong c\u1ea3 h\u00e0ng kh\u00f4ng d\u00e2n d\u1ee5ng v\u00e0 v\u1eadn t\u1ea3i \u0111\u01b0\u1eddng b\u1ed9, c\u0169ng nh\u01b0 trong v\u1eadn t\u1ea3i v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng. \u0110\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, t\u00e1c \u0111\u1ed9ng c\u1ee7a rung \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t<\/p>\n","protected":false},"author":1,"featured_media":19586,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19585","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\/19585","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=19585"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19585\/revisions"}],"predecessor-version":[{"id":21907,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19585\/revisions\/21907"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19586"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}