{"id":19710,"date":"2023-04-13T09:51:46","date_gmt":"2023-04-13T09:51:46","guid":{"rendered":"http:\/\/dgbellvietnam.com\/something-about-ev-lithium-battery-test\/"},"modified":"2024-10-22T20:35:51","modified_gmt":"2024-10-22T13:35:51","slug":"something-about-ev-lithium-battery-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/something-about-ev-lithium-battery-test\/","title":{"rendered":"\u0110\u00f4i \u0111i\u1ec1u v\u1ec1 th\u1eed nghi\u1ec7m pin Lithium EV"},"content":{"rendered":"
\n

1. Gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n<\/span><\/span><\/strong><\/span><\/h1>\n

Qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng pin \u0111i\u1ec7n cho xe \u0111i\u1ec7n \u0111\u00e3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n t\u1eeb pin axit ch\u00ec, pin niken hydro \u0111\u1ebfn pin lithium, trong khi pin lithium c\u0169ng \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb lithium kim lo\u1ea1i \u0111\u1ebfn h\u1ee3p ch\u1ea5t lithium v\u00e0 \u0111\u1ebfn pin lithium-ion hi\u1ec7n nay.<\/span><\/span><\/p>\n

Pin lithium ion cho xe \u0111i\u1ec7n ch\u1ee7 y\u1ebfu bao g\u1ed3m pin lithium s\u1eaft phosphate, pin lithium coban phosphate v\u00e0 pin lithium manganate, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i cao. Trong s\u1ed1 \u0111\u00f3, pin lithium s\u1eaft phosphate \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong xe \u0111i\u1ec7n thu\u1ea7n t\u00fay trong n\u01b0\u1edbc do t\u00ednh an to\u00e0n t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t.<\/span><\/span><\/p>\n

V\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac, pin \u0111i\u1ec7n lithium-ion ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c cell pin, c\u1ee5m pin ho\u1eb7c h\u1ec7 th\u1ed1ng pin. Do s\u1ef1 hi\u1ec7n di\u1ec7n t\u00edch c\u1ef1c c\u1ee7a c\u00e1c ion lithium tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i trong pin lithium-ion, c\u00f3 th\u1ec3 c\u00f3 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, s\u1eed d\u1ee5ng v\u00e0 th\u1eed nghi\u1ec7m pin lithium-ion, c\u1ea7n ph\u1ea3i ng\u0103n ng\u1eeba v\u00e0 lo\u1ea1i b\u1ecf.<\/span><\/span><\/p>\n

2.M\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 an to\u00e0n<\/span><\/span><\/strong><\/span><\/h1>\n

B\u1ea5t k\u1ec3 m\u1eabu l\u00e0 cell pin, c\u1ee5m pin hay h\u1ec7 th\u1ed1ng pin, b\u1ea5t k\u1ec3 y\u1ebfu t\u1ed1 k\u00edch ho\u1ea1t n\u00e0o, ch\u00e1y ho\u1eb7c n\u1ed5 s\u1ebd x\u1ea3y ra trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t cell pin trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c l\u1eafp \u0111\u1eb7t xe. IEC62660 cung c\u1ea5p m\u00f4 t\u1ea3 chu\u1ea9n v\u1ec1 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m cell pin lithium-ion cho xe \u0111i\u1ec7n ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng v\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 thu\u1eadt ng\u1eef ti\u00eau bi\u1ec3u cho k\u1ebft lu\u1eadn th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

(1) Kh\u00f4ng c\u00f3 k\u1ebft qu\u1ea3<\/span><\/span><\/p>\n

Kh\u00f4ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i n\u00e0o v\u1ec1 ngo\u1ea1i h\u00ecnh.<\/span><\/span><\/p>\n

(2) Bi\u1ebfn d\u1ea1ng<\/span><\/span><\/p>\n

S\u1ef1 thay \u0111\u1ed5i ho\u1eb7c bi\u1ebfn d\u1ea1ng v\u1ec1 ngo\u1ea1i h\u00ecnh, bao g\u1ed3m c\u1ea3 s\u1ef1 ph\u1ed3ng l\u00ean. \u00c1p su\u1ea5t b\u00ean trong c\u1ee7a pin l\u00e0 do \u00e1p su\u1ea5t kh\u00ed t\u0103ng l\u00ean do ph\u1ea3n \u1ee9ng v\u00e0 tho\u00e1t kh\u00ed b\u00ean trong pin. Bi\u1ebfn d\u1ea1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n th\u00f4ng qua k\u00edch th\u01b0\u1edbc ngo\u1ea1i h\u00ecnh. \u00c1p su\u1ea5t kh\u00f4ng kh\u00ed qu\u00e1 m\u1ee9c s\u1ebd l\u00e0m v\u1ee1 v\u1ecf v\u00e0 g\u00e2y n\u1ed5. V\u00ec l\u00fd do an to\u00e0n, pin lithium-ion \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi van x\u1ea3 ch\u1ed1ng n\u1ed5 m\u1ed9t chi\u1ec1u.<\/span><\/span><\/p>\n

(3) Tr\u00e0n \u0111\u1ea7y<\/span><\/span><\/p>\n

Ch\u1ea5t \u0111i\u1ec7n ph\u00e2n tr\u00e0n ra t\u1eeb l\u1ed7 th\u00f4ng h\u01a1i, van x\u1ea3 ho\u1eb7c van an to\u00e0n ch\u1ed1ng n\u1ed5 v\u00e0 c\u00f3 s\u01b0\u01a1ng m\u00f9.<\/span><\/span><\/p>\n

(4) R\u00f2 r\u1ec9<\/span><\/span><\/p>\n

Ch\u1ea5t \u0111i\u1ec7n gi\u1ea3i tr\u00e0n ra t\u1eeb c\u00e1c m\u1ed1i n\u1ed1i k\u1ebft c\u1ea5u nh\u01b0 v\u1ecf, ph\u1edbt v\u00e0\/ho\u1eb7c c\u00e1c \u0111\u1ea7u cu\u1ed1i b\u00ean ngo\u00e0i c\u1ed5ng th\u00f4ng gi\u00f3.<\/span><\/span><\/p>\n

(5) Kh\u00f3i<\/span><\/span><\/p>\n

Kh\u00f3i \u0111\u01b0\u1ee3c th\u1ea3i ra t\u1eeb l\u1ed7 th\u00f4ng h\u01a1i, th\u01b0\u1eddng l\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n bay h\u01a1i.<\/span><\/span><\/p>\n

(6) V\u1ee1<\/span><\/span><\/p>\n

Do c\u00e1c l\u00fd do b\u00ean trong ho\u1eb7c b\u00ean ngo\u00e0i, h\u1ed9p ch\u1ee9a pin b\u1ecb h\u01b0 h\u1ecfng v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, d\u1eabn \u0111\u1ebfn vi\u1ec7c ti\u1ebfp x\u00fac ho\u1eb7c tr\u00e0n v\u1eadt li\u1ec7u b\u00ean trong, nh\u01b0ng kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u n\u00e0o b\u1ecb phun ra, k\u1ec3 c\u1ea3 kh\u00f3i.<\/span><\/span><\/p>\n

7) L\u1eeda<\/span><\/span><\/p>\n

C\u00e1c cell pin ph\u00e1t ra ng\u1ecdn l\u1eeda ho\u1eb7c c\u00f3 d\u1ea5u hi\u1ec7u ch\u00e1y.<\/span><\/span><\/p>\n

8) <\/span><\/span>V\u1ee5 n\u1ed5<\/span><\/span><\/a><\/p>\n

H\u1ed9p ch\u1ee9a pin \u0111\u00e3 b\u1ecb v\u1ee1 v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u00e3 b\u1ecb m\u1edf ra m\u1ed9t c\u00e1ch th\u00f4 b\u1ea1o.<\/span><\/span><\/p>\n

3.Nguy\u00ean nh\u00e2n g\u00e2y nguy hi\u1ec3m<\/span><\/span><\/strong><\/span><\/h1>\n

C\u00e1c cell pin c\u1ee7a pin lithium-ion l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00e1nh l\u1eeda v\u00e0 n\u1ed5 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng v\u00e0 th\u1eed nghi\u1ec7m, v\u00e0 l\u00fd do g\u00e2y ra m\u1ed1i nguy hi\u1ec3m c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft nh\u01b0 sau:<\/span><\/span><\/p>\n

3.1 Ng\u1eafn m\u1ea1ch<\/span><\/span><\/strong><\/span><\/h2>\n

1) <\/span><\/span>Ch\u1eadp m\u1ea1ch b\u00ean ngo\u00e0i<\/span><\/span><\/a><\/p>\n

\u0110o\u1ea3n m\u1ea1ch gi\u1eefa c\u00e1c c\u1ef1c c\u1ee7a \u1eafc quy, ch\u1ee7 y\u1ebfu do l\u1ed7i ho\u1eb7c h\u01b0 h\u1ecfng \u1edf c\u1ea5u tr\u00fac b\u00ean ngo\u00e0i, th\u01b0\u1eddng do l\u00fd do c\u01a1 h\u1ecdc ho\u1eb7c v\u1eadt l\u00fd. C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111i\u1ec7n th\u1eed nghi\u1ec7m \u0111o\u1ea3n m\u1ea1ch \u1edf m\u1ee9c m\u03a9 (IEC62660: 5 m\u03a9. UL1642 v\u00e0 UN38.3: 100 m\u03a9)<\/span><\/span><\/p>\n

Ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111o\u1ea3n m\u1ea1ch ngo\u00e0i c\u00f3 th\u1eddi gian \u0111\u1ec3 ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf. M\u1ed9t s\u1ed1 th\u00ed nghi\u1ec7m th\u1eadm ch\u00ed kh\u00f4ng gi\u1edbi h\u1ea1n th\u1eddi gian v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c.<\/span><\/span><\/p>\n

2) <\/span><\/span>Ch\u1eadp m\u1ea1ch b\u00ean trong<\/span><\/span><\/a><\/p>\n

Ngo\u1ea1i tr\u1eeb hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch v\u1eadt l\u00fd gi\u1eefa c\u00e1c \u0111\u1ea7u \u0111i\u1ec7n c\u1ef1c (c\u00e1c m\u1ea3nh) trong th\u00e2n pin. Pin lithium ion c\u0169ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ed9 t\u00e1ch polymer<\/span><\/span><\/p>\n

\u0110\u1ee9t g\u00e3y g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch. Trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m, hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i, th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng v\u00e0 th\u1eed nghi\u1ec7m v\u00f2ng \u0111\u1eddi kh\u00e1c nhau.<\/span><\/span><\/p>\n

\u0110\u1ed9 d\u00e0y m\u00e0ng ng\u0103n ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong pin lithium-ion \u0111i\u1ec7n th\u01b0\u1eddng l\u00e0 tr\u00ean 30\u03bcm. M\u1eb7c d\u00f9 cao h\u01a1n pin lithium-ion th\u00f4ng th\u01b0\u1eddng 16-20\u03bcm l\u1ea7n. M\u00e0ng ng\u0103n c\u1ee7a m d\u00e0y h\u01a1n nhi\u1ec1u, nh\u01b0ng d\u00f9 sao th\u00ec n\u00f3 c\u0169ng r\u1ea5t m\u1ecfng.<\/span><\/span><\/p>\n

M\u00e0ng loa r\u1ea5t d\u1ec5 v\u1ee1. Sau khi b\u1ecb t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc nh\u01b0 l\u1ef1c c\u01a1 h\u1ecdc b\u00ean ngo\u00e0i v\u00e0 bi\u1ebfn d\u1ea1ng nhi\u1ec7t l\u00e0m h\u1ecfng, s\u1ebd tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch b\u00ean trong. Ngo\u00e0i ra, qu\u00e1 nhi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng m\u00e0ng loa, g\u00e2y ra \u0111o\u1ea3n m\u1ea1ch b\u00ean trong.<\/span><\/span><\/p>\n

Ngo\u00e0i ra, c\u00e1c khi\u1ebfm khuy\u1ebft trong nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a m\u00e0ng ng\u0103n c\u00f3 th\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng nh\u1ecf cho m\u00e0ng ng\u0103n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. T\u1ea5t c\u1ea3 nh\u1eefng l\u00fd do n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee5c b\u1ed9 trong pin lithium-ion \u0111i\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n ng\u1eafn m\u1ea1ch nh\u1ecf. H\u01a1n n\u1eefa, c\u00e1c m\u1ea1ch ng\u1eafn nh\u1ecf n\u00e0y s\u1ebd d\u1ea7n d\u1ea7n m\u1edf r\u1ed9ng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ho\u1eb7c t\u1ea3i th\u1eed nghi\u1ec7m, h\u00ecnh th\u00e0nh c\u00e1c m\u1ea1ch ng\u1eafn b\u00ean trong c\u00f3 \u1ea3nh h\u01b0\u1edfng.<\/span><\/span><\/p>\n

3.2 Nhi\u1ec7t \u0111\u1ed9 t\u0103ng<\/span><\/span><\/strong><\/span><\/h2>\n

Nhi\u1ec7t \u0111\u1ed9 t\u0103ng c\u1ee7a pin \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa nhi\u1ec7t \u0111\u1ed9 b\u00ean trong pin v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. C\u00e1c y\u1ebfu t\u1ed1 an to\u00e0n n\u00eau tr\u00ean \u0111i k\u00e8m v\u1edbi qu\u00e1 tr\u00ecnh t\u0103ng nhi\u1ec7t \u0111\u1ed9. Do \u0111\u00f3, b\u1ed9 t\u00e1ch pin lithium-ion d\u00f9ng cho xe \u0111i\u1ec7n ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ph\u1ea3i c\u00f3 hi\u1ec7u su\u1ea5t v\u1eadt l\u00fd l\u00e0 \u201cb\u1ea3o v\u1ec7 t\u1ef1 \u0111\u1ed9ng t\u1eaft m\u00e1y\u201d \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t an to\u00e0n khi s\u1eed d\u1ee5ng xe \u0111i\u1ec7n.<\/span><\/span><\/p>\n

3.3 Thi\u1ec7t h\u1ea1i c\u01a1 h\u1ecdc tr\u1ef1c ti\u1ebfp<\/span><\/span><\/strong><\/span><\/h2>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng c\u01a1 h\u1ecdc v\u00e0 th\u1eed nghi\u1ec7m ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng ( <\/span><\/span>l\u1ea1m d\u1ee5ng<\/span><\/span><\/a> ), c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp g\u00e2y h\u01b0 h\u1ecfng cho cell pin ho\u1eb7c g\u00e2y suy gi\u1ea3m hi\u1ec7u su\u1ea5t sau khi l\u00e0m h\u1ecfng c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a cell pin. Ch\u00e1y ho\u1eb7c n\u1ed5 tr\u1ef1c ti\u1ebfp trong th\u1eed nghi\u1ec7m s\u1ed1c c\u01a1 h\u1ecdc c\u0169ng \u0111\u01b0\u1ee3c ghi nh\u1eadn. Sau khi th\u1eed nghi\u1ec7m rung, c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a cell pin b\u1ecb h\u01b0 h\u1ecfng v\u00e0 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra nguy c\u01a1 \u0111\u00e1nh l\u1eeda ho\u1eb7c n\u1ed5 ch\u1eadm.<\/span><\/span><\/p>\n

3.4 <\/span><\/span>Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m m\u00f4i tr\u01b0\u1eddng<\/span><\/span><\/a><\/strong><\/span><\/h2>\n

Ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9 \u1ea9m ch\u1eafc ch\u1eafn s\u1ebd l\u00e0m x\u1ea5u \u0111i c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a th\u1eed nghi\u1ec7m t\u1ea3i. Do ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m trong bu\u1ed3ng th\u1eed nghi\u1ec7m, c\u00e1c v\u1ea5n \u0111\u1ec1 an to\u00e0n v\u00e0 th\u1ea3m h\u1ecda th\u1ee9 c\u1ea5p \u0111\u00e3 tr\u1edf th\u00e0nh nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n ph\u1ea3i ng\u0103n ng\u1eeba.<\/span><\/span><\/p>\n

4. Ki\u1ec3m tra c\u00e1c \u0111i\u1ec3m ch\u00ednh<\/span><\/span><\/strong><\/span><\/h1>\n

1) Trong c\u00e1c th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m, ch\u00e1y n\u1ed5 l\u00e0 hai t\u00ecnh hu\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u1ea9n th\u1eadn. M\u1ed9t v\u00e0i k\u1ebft qu\u1ea3 \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 g\u00e2y \u00f4 nhi\u1ec5m ho\u1eb7c g\u00e2y h\u1ea1i th\u1ee9 c\u1ea5p, v\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i tr\u1ef1c ti\u1ebfp mang t\u00ednh ph\u00e1 ho\u1ea1i, nh\u01b0ng ch\u00fang c\u0169ng n\u00ean \u0111\u01b0\u1ee3c ghi l\u1ea1i b\u1eb1ng h\u00ecnh \u1ea3nh v\u00e0 v\u0103n b\u1ea3n c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t.<\/span><\/span><\/p>\n

2) Qu\u00e1 t\u1ea3i ph\u00e1t sinh trong nhi\u1ec1u th\u00ed nghi\u1ec7m kh\u00e1c nhau l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n trong ph\u00f2ng th\u00ed nghi\u1ec7m. Pin m\u1eabu ph\u00e1t sinh nhi\u1ec7t do nhi\u1ec1u l\u00fd do qu\u00e1 t\u1ea3i kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn m\u00e0ng ng\u0103n tan ch\u1ea3y, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch, b\u1ed1c h\u01a1i ch\u1ea5t \u0111i\u1ec7n ph\u00e2n v\u00e0 ph\u00e1t n\u1ed5.<\/span><\/span><\/p>\n

R\u00f5 r\u00e0ng, nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 t\u0103ng nhi\u1ec7t \u0111\u1ed9 trong th\u1eddi gian n\u00e0y l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c. Vi\u1ec7c \u0111o c\u00e1c y\u1ebfu t\u1ed1 nhi\u1ec7t \u0111\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i trong t\u1ea5t c\u1ea3 c\u00e1c giai \u0111o\u1ea1n c\u1ee7a th\u00ed nghi\u1ec7m. Mi\u1ec5n l\u00e0 vi\u1ec7c l\u1ea5y m\u1eabu, \u0111o l\u01b0\u1eddng, ghi ch\u00e9p v\u00e0 so s\u00e1nh nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp trong c\u00e1c n\u00fat th\u00ed nghi\u1ec7m, th\u00ec m\u1ee9c \u0111\u1ed9 suy gi\u1ea3m c\u1ee7a c\u00e1c m\u1eabu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u00e1nh gi\u00e1 s\u1edbm, v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo \u0111\u00f3. \u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c b\u1ea5t th\u01b0\u1eddng (th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 l\u1ea1m d\u1ee5ng), c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba th\u00edch h\u1ee3p.<\/span><\/span><\/p>\n

3) Ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc. Va \u0111\u1eadp v\u00e0 rung \u0111\u1ed9ng c\u01a1 h\u1ecdc l\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng l\u00e1i xe l\u00ean m\u1eabu pin trong qu\u00e1 tr\u00ecnh t\u1ea3i m\u00f4 ph\u1ecfng v\u00e0 s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a th\u1eed nghi\u1ec7m kh\u00f4ng cao.<\/span><\/span><\/p>\n

Ngay c\u1ea3 khi t\u00e1c \u0111\u1ed9ng an to\u00e0n l\u00e0 do th\u1eed nghi\u1ec7m tr\u1ef1c ti\u1ebfp, ph\u1ea3n \u1ee9ng th\u01b0\u1eddng nh\u1eb9 ho\u1eb7c ch\u1eadm. Tuy nhi\u00ean, c\u00e1c th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng (l\u1ea1m d\u1ee5ng) c\u00f3 th\u1ec3 c\u00f3 ph\u1ea3n \u1ee9ng nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m.<\/span><\/span><\/p>\n

Sau khi m\u1eabu \u0111\u00e3 tr\u1ea3i qua th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc, vi\u1ec7c l\u1ea5y m\u1eabu nhi\u1ec7t \u0111\u1ed9, \u0111o l\u01b0\u1eddng v\u00e0 ki\u1ec3m tra c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp li\u00ean t\u1ee5c \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i, nh\u1eb1m \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c ph\u1ea3n \u1ee9ng ch\u1eadm tr\u1ec5 ti\u1ec1m \u1ea9n.<\/span><\/span><\/p>\n

4) Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c th\u1eed nghi\u1ec7m v\u1edbi ph\u1ea3n \u1ee9ng nhi\u1ec7t \u0111\u1ed9 nghi\u00eam tr\u1ecdng v\u00e0 th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch v\u1edbi ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng (l\u1ea1m d\u1ee5ng).<\/span><\/span><\/p>\n

5) Khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1eabu pin t\u0103ng \u0111\u1ed9t ng\u1ed9t, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng m\u1ecdi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i c\u1ee7a h\u1ec7 th\u1ed1ng\/b\u1ed9 pin \u0111\u1ec1u \u0111\u00e3 h\u1ecfng t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y.<\/span><\/span><\/p>\n

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

1. Gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n Qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng pin \u0111i\u1ec7n cho xe \u0111i\u1ec7n \u0111\u00e3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n t\u1eeb pin axit ch\u00ec, pin niken hydro \u0111\u1ebfn pin lithium, trong khi pin lithium c\u0169ng \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb lithium kim lo\u1ea1i \u0111\u1ebfn h\u1ee3p ch\u1ea5t lithium v\u00e0 \u0111\u1ebfn pin lithium-ion hi\u1ec7n<\/p>\n","protected":false},"author":1,"featured_media":19711,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19710","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\/19710","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=19710"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19710\/revisions"}],"predecessor-version":[{"id":21997,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19710\/revisions\/21997"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19711"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}