{"id":19583,"date":"2024-04-03T01:00:10","date_gmt":"2024-04-03T01:00:10","guid":{"rendered":"http:\/\/dgbellvietnam.com\/ev-power-battery-safety-test\/"},"modified":"2024-10-13T10:34:17","modified_gmt":"2024-10-13T03:34:17","slug":"ev-power-battery-safety-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/ev-power-battery-safety-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m an to\u00e0n pin \u0111i\u1ec7n EV"},"content":{"rendered":"
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Hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 \u0111\u00e1ng tin c\u1eady c\u1ee7a xe \u0111i\u1ec7n, do \u0111\u00f3 c\u1ea7n ph\u1ea3i ki\u1ec3m tra hi\u1ec7u su\u1ea5t an to\u00e0n chi ti\u1ebft c\u1ee7a pin. Ki\u1ec3m tra hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin xe \u0111i\u1ec7n bao g\u1ed3m c\u00e1c th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i v\u00e0 x\u1ea3, th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch, th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao, th\u1eed nghi\u1ec7m va \u0111\u1eadp kim, th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc, th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 c\u00e1c m\u1ee5c kh\u00e1c.<\/span><\/p>\n

1. Th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i v\u00e0 x\u1ea3<\/span><\/strong><\/span><\/h1>\n

\u0110\u1ed1i v\u1edbi pin th\u1ee9 c\u1ea5p k\u00edn, vi\u1ec7c s\u1ea1c v\u00e0 x\u1ea3 qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 khi\u1ebfn kh\u00ed t\u00edch t\u1ee5 nhanh ch\u00f3ng trong b\u00ecnh k\u00edn, d\u1eabn \u0111\u1ebfn \u00e1p su\u1ea5t b\u00ean trong t\u0103ng nhanh. N\u1ebfu van an to\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c m\u1edf k\u1ecbp th\u1eddi, c\u00f3 th\u1ec3 khi\u1ebfn pin b\u1ecb n\u1ed5. Trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, van an to\u00e0n s\u1ebd m\u1edf d\u01b0\u1edbi m\u1ed9t \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed d\u01b0 th\u1eeba. Sau khi kh\u00ed \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, n\u00f3 s\u1ebd d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng ch\u1ea5t \u0111i\u1ec7n ph\u00e2n gi\u1ea3m v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, n\u00f3 s\u1ebd l\u00e0m kh\u00f4 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a pin v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 h\u1ecfng h\u00f3c. H\u01a1n n\u1eefa, trong qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng kh\u00ed, m\u1ed9t l\u01b0\u1ee3ng ch\u1ea5t \u0111i\u1ec7n ph\u00e2n nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t \u0111i\u1ec7n ph\u00e2n l\u00e0 axit ho\u1eb7c baz\u01a1 c\u00f4 \u0111\u1eb7c, c\u00f3 t\u00e1c d\u1ee5ng \u0103n m\u00f2n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/span><\/p>\n

Do \u0111\u00f3, pin xe \u0111i\u1ec7n hi\u1ec7u su\u1ea5t cao ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ea1c qu\u00e1 m\u1ee9c t\u1ed1t, \u00edt b\u1ecb n\u1ed5 v\u00e0 \u00edt b\u1ecb r\u00f2 r\u1ec9 \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 s\u1ea1c v\u00e0 x\u1ea3 qu\u00e1 m\u1ee9c nh\u1ea5t \u0111\u1ecbnh. H\u00ecnh d\u1ea1ng pin c\u0169ng \u00edt c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i.<\/span><\/p>\n

Trong thi\u1ebft k\u1ebf pin, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111i\u1ec7n c\u1ef1c \u00e2m d\u01b0 th\u1eeba \u0111\u1ec3 tr\u00e1nh t\u00edch t\u1ee5 qu\u00e1 nhi\u1ec1u kh\u00ed b\u00ean trong pin. \u0110\u1ec3 tr\u00e1nh x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh x\u1ea3 qu\u00e1 m\u1ee9c, b\u1ea3o v\u1ec7 ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch th\u00eam v\u1eadt li\u1ec7u ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c v\u00e0o \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng.<\/span><\/p>\n

Khi ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m s\u1ea1c, c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean lo\u1ea1i v\u00e0 ki\u1ec3u pin c\u1ee5 th\u1ec3. L\u1ea5y pin MH-Ni l\u00e0m v\u00ed d\u1ee5, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ef1a ch\u1ecdn d\u00f2ng \u0111i\u1ec7n s\u1ea1c qu\u00e1 m\u1ee9c d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ee7a ngu\u1ed3n d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i.<\/span><\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i pin c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn (lo\u1ea1i D, lo\u1ea1i SC), ngu\u1ed3n d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i chung kh\u00f4ng th\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n l\u1edbn 1 C v\u00e0 c\u1ea7n c\u00e2n nh\u1eafc c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 an to\u00e0n \u0111\u1ea7y \u0111\u1ee7 trong c\u00e1c t\u00ecnh hu\u1ed1ng d\u00f2ng \u0111i\u1ec7n cao. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i pin c\u00f3 dung l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, c\u00f3 th\u1ec3 ch\u1ecdn h\u1ec7 s\u1ed1 nh\u00e2n d\u00f2ng \u0111i\u1ec7n l\u1edbn h\u01a1n. Trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1ea3 kh\u00e1c nhau, c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t t\u01b0\u01a1ng \u1ee9ng trong c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng s\u1ea1c qu\u00e1 m\u1ee9c c\u1ee7a pin. Trong c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf, hai h\u1ec7 th\u1ed1ng s\u1ea1c qu\u00e1 m\u1ee9c sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/p>\n

(1) S\u1ea1c pin b\u1eb1ng d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 0,1 C trong 28 ng\u00e0y. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, pin kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed5 ho\u1eb7c r\u00f2 r\u1ec9, v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a pin kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n dung l\u01b0\u1ee3ng danh \u0111\u1ecbnh khi x\u1ea3 \u1edf 0,2 C sau khi s\u1ea1c.<\/span><\/p>\n

(2) S\u1ea1c \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 1 C trong 5 gi\u1edd, v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c r\u00f2 r\u1ec9 trong 75 ph\u00fat \u0111\u1ea7u ti\u00ean c\u1ee7a th\u1eed nghi\u1ec7m. R\u00f2 r\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p sau \u0111\u00f3, nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p n\u1ed5. Sau khi s\u1ea1c, x\u1ea3 \u1edf 0,2 C v\u00e0 dung l\u01b0\u1ee3ng kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n dung l\u01b0\u1ee3ng danh \u0111\u1ecbnh c\u1ee7a n\u00f3.<\/span><\/p>\n

Trong qu\u00e1 tr\u00ecnh n\u1ea1p, c\u00f3 th\u1ec3 x\u00e1c minh ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 b\u1eb1ng c\u00e1ch nh\u1ecf ch\u1ea5t l\u1ecfng v\u00e0o \u0111i\u1ec3m b\u1ecbt \u200b\u200bk\u00edn. M\u00e0u \u0111\u1ecf c\u1ee7a dung d\u1ecbch ho\u1eb7c s\u1ef1 h\u00ecnh th\u00e0nh b\u1ecdt kh\u00ed \u0111\u01b0\u1ee3c coi l\u00e0 r\u00f2 r\u1ec9.<\/span><\/p>\n

Khi ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i tr\u00ean pin, tr\u01b0\u1edbc ti\u00ean pin ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea1c \u0111\u1ea7y, sau \u0111\u00f3 ph\u1ea3i ch\u1ecdn \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p \u0111\u1ec3 x\u1ea3. C\u00f3 hai \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m tra th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/p>\n

(1) N\u1ed1i pin n\u1ed1i ti\u1ebfp v\u1edbi \u0111i\u1ec7n tr\u1edf chu\u1ea9n (kho\u1ea3ng 10 \u03a9, t\u00f9y theo model pin ch\u1ecdn) v\u00e0 x\u1ea3 li\u00ean t\u1ee5c trong 24 gi\u1edd. Pin kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed5 ho\u1eb7c r\u00f2 r\u1ec9 trong qu\u00e1 tr\u00ecnh x\u1ea3 v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a pin kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 90% dung l\u01b0\u1ee3ng danh \u0111\u1ecbnh sau khi x\u1ea3 qu\u00e1 m\u1ee9c.<\/span><\/p>\n

(2) \u0110\u1ea7u ti\u00ean x\u1ea3 pin \u1edf 1 C \u0111\u1ebfn 0 V, sau \u0111\u00f3 x\u1ea3 \u1edf 0,2 C \u0111\u1ebfn 0 V, sau \u0111\u00f3 x\u1ea3 qu\u00e1 m\u1ee9c \u1edf 1 C trong 6 gi\u1edd. Pin kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed5, nh\u01b0ng \u0111\u01b0\u1ee3c ph\u00e9p r\u00f2 r\u1ec9 ho\u1eb7c bi\u1ebfn d\u1ea1ng. Sau khi th\u1eed nghi\u1ec7m, pin kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i.<\/span><\/p>\n

\u0110\u1ed1i v\u1edbi pin, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu r\u00f2 r\u1ec9 c\u1ee7a pin.<\/span><\/p>\n

2. <\/span>Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch<\/span><\/a>\u00a0<\/strong><\/span><\/h1>\n

Trong tr\u01b0\u1eddng h\u1ee3p \u0111o\u1ea3n m\u1ea1ch, \u1eafc quy xe \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n l\u1edbn, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 \u1eafc quy ngay l\u1eadp t\u1ee9c, th\u1eadm ch\u00ed l\u00e0m ch\u1ea5t \u0111i\u1ec7n ph\u00e2n s\u00f4i ho\u1eb7c v\u00f2ng \u0111\u1ec7m b\u1ecb tan ch\u1ea3y. Do \u0111\u00f3, trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111o\u1ea3n m\u1ea1ch, \u1eafc quy c\u00f3 th\u1ec3 b\u1ecb phun ki\u1ec1m, r\u00f2 r\u1ec9 v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c. Th\u00f4ng th\u01b0\u1eddng, c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 t\u1ed1t.<\/span><\/p>\n

\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m chung l\u00e0 s\u1ea1c \u0111\u1ea7y pin v\u00e0 \u0111o\u1ea3n m\u1ea1ch hai c\u1ef1c c\u1ee7a pin \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng trong 1 gi\u1edd. Cho ph\u00e9p r\u00f2 r\u1ec9, nh\u01b0ng pin kh\u00f4ng \u0111\u01b0\u1ee3c b\u1eaft l\u1eeda ho\u1eb7c ph\u00e1t n\u1ed5.<\/span><\/p>\n

3. <\/span>Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/span><\/a><\/strong><\/span><\/h1>\n

N\u00f3i chung, pin b\u1ecb c\u1ea5m \u0111\u1ed1t v\u00ec ch\u00fang c\u00f3 th\u1ec3 tr\u1ea3i qua m\u1ed9t s\u1ed1 thay \u0111\u1ed5i nh\u1ea5t \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 ph\u00e1t n\u1ed5 \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i ki\u1ec3m tra hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p.<\/span><\/p>\n

Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m chung \u0111\u01b0\u1ee3c chia th\u00e0nh v\u00f9ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 v\u00f9ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. V\u00f9ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u1eeda \u0111\u1ec3 th\u1eed nghi\u1ec7m, v\u00e0 v\u00f9ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0 100-200 \u2103. C\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ph\u1ed5 bi\u1ebfn nh\u01b0 sau.<\/span><\/p>\n

(1) Pin \u0111\u00e3 s\u1ea1c \u0111\u1ea7y (100\u2103) ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef trong 2 gi\u1edd v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5 ho\u1eb7c r\u00f2 r\u1ec9.<\/span><\/p>\n

(2) Pin \u0111\u00e3 s\u1ea1c \u0111\u1ea7y ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef trong h\u1ed9p nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i \u1edf 150\u2103 trong 10 ph\u00fat v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5 ho\u1eb7c r\u00f2 r\u1ec9.<\/span><\/p>\n

\u0110i\u1ec7n tr\u1edf trong v\u00e0 \u0111i\u1ec7n \u00e1p m\u1ea1ch h\u1edf c\u1ee7a pin s\u1ebd tr\u1ea3i qua nh\u1eefng thay \u0111\u1ed5i nh\u1ea5t \u0111\u1ecbnh sau khi v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, nh\u01b0ng pin v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng. Vi\u1ec7c th\u1eed nghi\u1ec7m pin \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1ed9 cao l\u00e0 ph\u00e1 h\u1ee7y v\u00e0 pin \u0111\u00e3 th\u1eed nghi\u1ec7m s\u1ebd kh\u00f4ng c\u00f2n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c n\u1eefa. Sau khi pin \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u1eeda, nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 800 \u2103, v\u00e0 v\u00f2ng \u0111\u1ec7m v\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c b\u00ean trong pin s\u1ebd tan ch\u1ea3y v\u00e0 b\u1eaft l\u1eeda. Cho ph\u00e9p k\u1ebft t\u1ee7a kh\u00ed, nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra n\u1ed5.<\/span><\/p>\n

4. <\/span>Th\u1eed nghi\u1ec7m xuy\u00ean \u0111inh c\u1ee7a pin EV<\/span><\/a><\/strong><\/span><\/h1>\n

Khi pin xe \u0111i\u1ec7n b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi c\u00e1c v\u1eadt s\u1eafc nh\u1ecdn t\u1eeb b\u00ean ngo\u00e0i, v\u1ecf c\u00f3 th\u1ec3 b\u1ecb th\u1ee7ng. N\u1ebfu v\u1eadt b\u1ecb th\u1ee7ng l\u00e0 v\u1eadt d\u1eabn \u0111i\u1ec7n, c\u00f3 th\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch gi\u1eefa \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u0111i\u1ec7n c\u1ef1c \u00e2m, g\u00e2y ra m\u1ed9t s\u1ed1 nguy hi\u1ec3m nh\u1ea5t \u0111\u1ecbnh. Do \u0111\u00f3, \u0111\u1ed1i v\u1edbi pin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, c\u0169ng n\u00ean ti\u1ebfn h\u00e0nh c\u00e1c th\u00ed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng v\u00e0 pin ph\u1ea3i \u1edf tr\u1ea1ng th\u00e1i s\u1ea1c \u0111\u1ea7y tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m khoan. \u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m nh\u01b0 sau: \u0111\u01b0\u1eddng k\u00ednh kim l\u00e0 \u03c6 \u0110\u00e2m th\u1ee7ng pin theo h\u01b0\u1edbng \u0111\u01b0\u1eddng k\u00ednh v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 1,0 mm. Sau khi \u0111\u00e2m th\u1ee7ng, pin kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed5, nh\u01b0ng \u0111\u01b0\u1ee3c ph\u00e9p r\u00f2 r\u1ec9 v\u00e0 n\u00f3ng l\u00ean.<\/span><\/p>\n

5. T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/span><\/strong><\/span><\/h1>\n

C\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc bao g\u1ed3m c\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng va ch\u1ea1m, kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng rung. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc l\u00e0 th\u1eed nghi\u1ec7m va ch\u1ea1m.<\/span><\/p>\n

Th\u1eed nghi\u1ec7m va ch\u1ea1m<\/span><\/p>\n

\u0110\u1ea7u ti\u00ean, s\u1ea1c pin v\u00e0 x\u1ea3 pin \u1edf d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 0,2 C sau khi th\u1eed nghi\u1ec7m. Ph\u01b0\u01a1ng ph\u00e1p 1 y\u00eau c\u1ea7u dung l\u01b0\u1ee3ng x\u1ea3 sau khi th\u1eed nghi\u1ec7m kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n dung l\u01b0\u1ee3ng danh \u0111\u1ecbnh; Ph\u01b0\u01a1ng ph\u00e1p 2 y\u00eau c\u1ea7u kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 t\u1ed5n th\u1ea5t dung l\u01b0\u1ee3ng pin sau khi th\u1eed nghi\u1ec7m v\u00e0 tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m. Sau khi th\u1eed nghi\u1ec7m, pin kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c r\u00f2 r\u1ec9. Pin m\u1eabu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1eed nghi\u1ec7m va ch\u1ea1m ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u00ean b\u00e0n va ch\u1ea1m theo m\u1ed9t n\u1eeda tr\u1ee5c d\u1ecdc v\u00e0 m\u1ed9t n\u1eeda tr\u1ee5c song song \u0111\u1ec3 th\u1eed nghi\u1ec7m. Ki\u1ec3m tra hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m va ch\u1ea1m \u0111\u01a1n gi\u1ea3n, trong \u0111\u00f3 pin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ea3 ng\u1eabu nhi\u00ean t\u1eeb \u0111\u1ed9 cao 1m theo c\u00e1c h\u01b0\u1edbng kh\u00e1c nhau xu\u1ed1ng m\u1ed9t t\u1ea5m v\u00e1n g\u1ed7 s\u1ed3i d\u00e0y 2 cm b\u1ed1n l\u1ea7n. Sau khi th\u1eed nghi\u1ec7m, kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 thay \u0111\u1ed5i tr\u1ef1c quan ho\u1eb7c r\u00f2 r\u1ec9 v\u1ec1 ngo\u1ea1i h\u00ecnh c\u1ee7a pin. Ngo\u00e0i ra, \u0111i\u1ec7n \u00e1p v\u00e0 \u0111i\u1ec7n tr\u1edf b\u00ean trong c\u1ee7a pin kh\u00f4ng \u0111\u01b0\u1ee3c thay \u0111\u1ed5i.<\/span><\/p>\n

6. <\/span>Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/span><\/a><\/strong><\/span><\/h1>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0103n m\u00f2n th\u01b0\u1eddng d\u00f9ng bao g\u1ed3m th\u1eed nghi\u1ec7m \u0111i\u1ec7n h\u00f3a, th\u1eed nghi\u1ec7m phun mu\u1ed1i, v.v. Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong h\u1ed9p phun mu\u1ed1i. \u0110\u1eb7t pin v\u00e0o bu\u1ed3ng th\u1eed nghi\u1ec7m, phun dung d\u1ecbch th\u1eed d\u1ea1ng phun s\u01b0\u01a1ng v\u00e0o pin, s\u01b0\u01a1ng m\u00f9 m\u1ecbn l\u1eafng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t m\u1eabu d\u01b0\u1edbi tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh n\u00f3. Dung d\u1ecbch th\u1eed nghi\u1ec7m l\u00e0 dung d\u1ecbch NaCl 5% (ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng), v\u1edbi t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn kh\u00f4ng qu\u00e1 20%\/(\u03bcg\/g), pH 6,5-7,2. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, nhi\u1ec7t \u0111\u1ed9 b\u00ean trong h\u1ed9p phun mu\u1ed1i v\u1eabn kh\u00f4ng \u0111\u1ed5i \u1edf m\u1ee9c (35 \u00b1 1) \u2103. Pin \u0111\u01b0\u1ee3c gi\u1eef trong bu\u1ed3ng phun mu\u1ed1i trong 48 gi\u1edd.<\/span><\/p>\n

Sau khi th\u1eed nghi\u1ec7m, kh\u00f4ng n\u00ean c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 dung l\u01b0\u1ee3ng c\u1ee7a pin. M\u1ed9t l\u01b0\u1ee3ng nh\u1ecf r\u1ec9 s\u00e9t \u0111\u01b0\u1ee3c ph\u00e9p \u1edf tr\u00ean c\u00f9ng (l\u1edbp ni\u00eam phong) v\u00e0 d\u01b0\u1edbi c\u00f9ng c\u1ee7a pin, nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 l\u1ed7 th\u1ee7ng ho\u1eb7c v\u1ebft r\u1ed7 r\u1ea5t r\u00f5 r\u00e0ng. Pin kh\u00f4ng \u0111\u01b0\u1ee3c r\u00f2 r\u1ec9 ho\u1eb7c ph\u00e1t n\u1ed5.<\/span><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 \u0111\u00e1ng tin c\u1eady c\u1ee7a xe \u0111i\u1ec7n, do \u0111\u00f3 c\u1ea7n ph\u1ea3i ki\u1ec3m tra hi\u1ec7u su\u1ea5t an to\u00e0n chi ti\u1ebft c\u1ee7a pin. Ki\u1ec3m tra hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin xe \u0111i\u1ec7n bao g\u1ed3m c\u00e1c th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i v\u00e0<\/p>\n","protected":false},"author":1,"featured_media":19584,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19583","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\/19583","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=19583"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19583\/revisions"}],"predecessor-version":[{"id":21906,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19583\/revisions\/21906"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19584"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}