{"id":19920,"date":"2021-11-18T07:07:09","date_gmt":"2021-11-18T07:07:09","guid":{"rendered":"http:\/\/dgbellvietnam.com\/safety-test-of-lithium-ion-battery\/"},"modified":"2024-10-25T15:53:32","modified_gmt":"2024-10-25T08:53:32","slug":"safety-test-of-lithium-ion-battery","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/safety-test-of-lithium-ion-battery\/","title":{"rendered":"Th\u1eed nghi\u1ec7m an to\u00e0n pin Lithium Ion"},"content":{"rendered":"
\n

Pin lithium ion v\u00e0 to\u00e0n b\u1ed9 m\u1eabu bao g\u1ed3m pin kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \/ pin lithium ion v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed c\u1ee7a n\u00f3. \u0110\u1ed1i v\u1edbi pin kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed nh\u01b0 m\u1ed9t m\u1eabu t\u1ed5ng th\u1ec3 \u0111\u1ec3 th\u1eed nghi\u1ec7m an to\u00e0n m\u00f4i tr\u01b0\u1eddng c\u1ee7a pin lithium-ion theo ti\u00eau chu\u1ea9n; \u0110\u1ed1i v\u1edbi pin lithium-ion kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed nh\u01b0 m\u1ed9t m\u1eabu to\u00e0n b\u1ed9 ho\u1eb7c ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ea5y ra ri\u00eang bi\u1ec7t \u0111\u1ec3 th\u1eed nghi\u1ec7m an to\u00e0n m\u00f4i tr\u01b0\u1eddng c\u1ee7a pin lithium-ion theo ti\u00eau chu\u1ea9n. Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb n\u00ean \u01b0u ti\u00ean ch\u1ecdn ch\u00fang nh\u01b0 m\u1ed9t m\u1eabu to\u00e0n b\u1ed9 \u0111\u1ec3 th\u1eed nghi\u1ec7m. V\u00ec c\u00f3 th\u1ec3 c\u00f3 r\u00f2 r\u1ec9 kh\u00f4ng kh\u00ed, kh\u00f3i, ch\u00e1y ho\u1eb7c th\u1eadm ch\u00ed n\u1ed5 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, n\u00ean ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u1ea7n thi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1eb7t m\u1eabu trong thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 c\u00f3 ch\u1ee9c n\u0103ng ch\u1ed1ng n\u1ed5.<\/span><\/span><\/p>\n

\u00c1p su\u1ea5t th\u1ea5p<\/span><\/span><\/span><\/h1>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: <\/span><\/span>th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ea5p<\/span><\/span><\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 ph\u1ecfng t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t th\u1ea5p \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n b\u1eb1ng \u0111\u01b0\u1eddng h\u00e0ng kh\u00f4ng. Sau khi th\u1eed nghi\u1ec7m, m\u1eabu ph\u1ea3i kh\u00f4ng c\u00f3 ch\u00e1y, n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng. C\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: nh\u01b0 bu\u1ed3ng ch\u00e2n kh\u00f4ng (ho\u1eb7c bu\u1ed3ng th\u1eed \u00e1p su\u1ea5t th\u1ea5p), m\u00e1y ki\u1ec3m tra ph\u00f3ng \u0111i\u1ec7n t\u00edch, v.v.<\/span><\/span><\/p>\n

Chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/span><\/h1>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: <\/span><\/span>th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/a> c\u1ee7a pin lithium ion \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 ph\u1ecfng t\u00ednh an to\u00e0n c\u1ee7a pin lithium ion khi ti\u1ebfp x\u00fac nhi\u1ec1u l\u1ea7n v\u1edbi m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n ho\u1eb7c l\u01b0u tr\u1eef. Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 nhanh v\u00e0 c\u1ef1c \u0111oan. Sau khi th\u1eed nghi\u1ec7m, m\u1eabu s\u1ebd kh\u00f4ng b\u1ecb ch\u00e1y, n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng. C\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: ch\u1eb3ng h\u1ea1n nh\u01b0 bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9, m\u00e1y th\u1eed ph\u00f3ng \u0111i\u1ec7n t\u00edch, v.v.<\/span><\/span><\/p>\n

Rung \u0111\u1ed9ng<\/span><\/span><\/a><\/span><\/h1>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: th\u1eed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng r\u1eb1ng rung \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 mang v\u00e1c s\u1ebd kh\u00f4ng d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 an to\u00e0n nh\u01b0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng, ch\u00e1y n\u1ed5 pin lithium-ion. D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: nh\u01b0 b\u0103ng gh\u1ebf th\u1eed rung, m\u00e1y th\u1eed ph\u00f3ng \u0111i\u1ec7n t\u00edch, v.v.<\/span><\/span><\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba: c\u1ea7n l\u01b0u \u00fd nh\u1eefng \u0111i\u1ec3m sau \u0111\u00e2y trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m rung \u0111\u1ed9ng c\u1ee7a pin lithium-ion: (1) ph\u01b0\u01a1ng ph\u00e1p c\u1ed1 \u0111\u1ecbnh m\u1eabu kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u rung \u0111\u1ed9ng \u0111\u01b0\u1ee3c truy\u1ec1n ch\u00ednh x\u00e1c \u0111\u1ebfn m\u1eabu m\u00e0 c\u00f2n ng\u0103n m\u1eabu b\u1ecb bi\u1ebfn d\u1ea1ng; (2) M\u1ed7i \u200b\u200bm\u1eabu ph\u1ea3i \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m rung \u0111\u1ed9ng theo nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau nhi\u1ec1u l\u1ea7n; (3) \u0110\u1ed1i v\u1edbi h\u01b0\u1edbng th\u1eed nghi\u1ec7m, v\u00ec h\u00ecnh d\u1ea1ng c\u1ee7a pin lithium-ion c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ec1u n\u00ean c\u1ea7n th\u1eed nghi\u1ec7m theo ba h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi nhau. Ngo\u00e0i ra, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u1ea7n c\u00f3 chu k\u1ef3 s\u1ea1c x\u1ea3 sau khi th\u1eed nghi\u1ec7m rung \u0111\u1ed9ng c\u1ee7a pin lithium-ion. (khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng \u0111\u1ed3 g\u00e1 chuy\u00ean d\u1ee5ng trong qu\u00e1 tr\u00ecnh rung \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u00e1 tr\u1ecb G kh\u00f4ng b\u1ecb thay \u0111\u1ed5i do m\u1eabu b\u1ecb d\u1ecbch chuy\u1ec3n trong qu\u00e1 tr\u00ecnh rung).<\/span><\/span><\/p>\n

T\u00e1c \u0111\u1ed9ng t\u0103ng t\u1ed1c<\/span><\/span><\/span><\/h1>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: th\u1eed nghi\u1ec7m va ch\u1ea1m gia t\u1ed1c c\u1ee7a pin lithium-ion l\u00e0 \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c v\u1ea5n \u0111\u1ec1 an to\u00e0n nh\u01b0 ch\u00e1y, n\u1ed5 ho\u1eb7c r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng sau va ch\u1ea1m gia t\u1ed1c g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh mang ho\u1eb7c v\u1eadn chuy\u1ec3n pin lithium-ion. D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: nh\u01b0 b\u0103ng gh\u1ebf th\u1eed va ch\u1ea1m gia t\u1ed1c, m\u00e1y th\u1eed ph\u00f3ng \u0111i\u1ec7n t\u00edch, v.v.<\/span><\/span><\/p>\n

Th\u1eadn tr\u1ecdng: khi th\u1eed nghi\u1ec7m va ch\u1ea1m gia t\u1ed1c c\u1ee7a pin lithium-ion c\u1ea7n ch\u00fa \u00fd nh\u1eefng \u0111i\u1ec3m sau:<\/span><\/span><\/p>\n

(1) Th\u1eed nghi\u1ec7m va \u0111\u1eadp gia t\u1ed1c c\u1ee7a pin lithium-ion t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u1eed nghi\u1ec7m rung \u0111\u1ed9ng c\u1ee7a pin lithium-ion. C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p c\u1ed1 \u0111\u1ecbnh m\u1eabu, nhi\u1ec1u l\u1ea7n th\u1eed nghi\u1ec7m t\u1eebng m\u1eabu v\u00e0 h\u01b0\u1edbng th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

(2) C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba cho qu\u00e1 tr\u00ecnh gia t\u1ed1c c\u1ef1c \u0111\u1ea1i c\u1ee7a th\u1eed nghi\u1ec7m va ch\u1ea1m gia t\u1ed1c c\u1ee7a pin lithium ion gi\u1ed1ng nh\u01b0 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba cho qu\u00e1 tr\u00ecnh gia t\u1ed1c va ch\u1ea1m c\u1ee7a pin.<\/span><\/span><\/p>\n

(3) Ngo\u00e0i ra, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u1ea7n c\u00f3 chu k\u1ef3 s\u1ea1c x\u1ea3 sau khi th\u1eed nghi\u1ec7m t\u0103ng t\u1ed1c pin lithium-ion.<\/span><\/span><\/p>\n

Ng\u00e3<\/span><\/span><\/span><\/h1>\n

Th\u1ea3 hai m\u1eb7t \u0111\u1ea7u c\u1ee7a pin lithium-ion h\u00ecnh tr\u1ee5 v\u00e0 n\u00fat m\u1ed9t l\u1ea7n v\u00e0 b\u1ec1 m\u1eb7t h\u00ecnh tr\u1ee5 hai l\u1ea7n, t\u1ed5ng c\u1ed9ng b\u1ed1n l\u1ea7n <\/span><\/span>th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i<\/span><\/span><\/a> \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n; M\u1ed7i m\u1eb7t c\u1ee7a pin lithium-ion h\u00ecnh vu\u00f4ng \u0111\u01b0\u1ee3c th\u1ea3 m\u1ed9t l\u1ea7n v\u00e0 t\u1ed5ng c\u1ed9ng s\u00e1u l\u1ea7n th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n; Th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i b\u1eb1ng thi\u1ebft b\u1ecb s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ed1i v\u1edbi pin kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \/ pin lithium-ion v\u00e0 thi\u1ebft b\u1ecb s\u1ebd \u0111\u01b0\u1ee3c th\u1ea3 m\u1ed9t l\u1ea7n \u1edf m\u1ed7i m\u1eb7t. M\u1eabu kh\u00f4ng \u0111\u01b0\u1ee3c ch\u00e1y, n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng.<\/span><\/span><\/p>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: th\u1eed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng vi\u1ec7c r\u01a1i v\u00f4 t\u00ecnh (nh\u01b0 r\u01a1i t\u1eeb gh\u1ebf, m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n v\u00e0 tay) trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, mang v\u00e1c v\u00e0 s\u1eed d\u1ee5ng s\u1ebd kh\u00f4ng d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 an to\u00e0n nh\u01b0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng, ch\u00e1y n\u1ed5 pin lithium-ion. Th\u1eed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng c\u00e1c tr\u01b0\u1eddng h\u1ee3p r\u01a1i v\u00f4 t\u00ecnh h\u1ee3p l\u00fd v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, v\u00e0 kh\u00f4ng xem x\u00e9t c\u00e1c v\u1ea5n \u0111\u1ec1 an to\u00e0n do con ng\u01b0\u1eddi g\u00e2y ra, c\u1ed1 \u00fd, v\u00f4 l\u00fd v\u00e0 kh\u00f4ng l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c. C\u00e1c c\u00f4ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: ch\u1eb3ng h\u1ea1n nh\u01b0 b\u0103ng gh\u1ebf th\u1eed nghi\u1ec7m nhi\u1ec1u b\u1eadc t\u1ef1 do, m\u00e1y th\u1eed ph\u00f3ng \u0111i\u1ec7n t\u00edch, v.v.<\/span><\/span><\/p>\n

Th\u1eadn tr\u1ecdng: c\u1ea7n ch\u00fa \u00fd nh\u1eefng \u0111i\u1ec3m sau \u0111\u00e2y khi th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i pin lithium ion:<\/span><\/span><\/p>\n

(1) M\u1ed7i \u200b\u200bm\u1eabu c\u1ea7n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i theo nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau nhi\u1ec1u l\u1ea7n;<\/span><\/span><\/p>\n

(2) Ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a h\u01b0\u1edbng th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed9ng r\u01a1i t\u1ef1 do;<\/span><\/span><\/p>\n

(3) Vi\u1ec7c r\u01a1i v\u00f4 t\u00ecnh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf c\u0169ng \u0111\u01b0\u1ee3c xem x\u00e9t trong \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i c\u1ee7a pin lithium-ion. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i 1,5m \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 pin lithium-ion; Ngo\u00e0i ra, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng vi\u1ec7c th\u1ea3 pin lithium-ion c\u0169ng c\u1ea7n m\u1ed9t chu k\u1ef3 s\u1ea1c x\u1ea3.<\/span><\/span><\/p>\n

Gi\u1ea3m c\u0103ng th\u1eb3ng<\/span><\/span><\/span><\/h1>\n

C\u1ea5u tr\u00fac c\u1ee7a v\u1ecf nhi\u1ec7t d\u1ebbo \u0111\u00fac ho\u1eb7c \u0111\u00fac phun ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 s\u1ef1 co ng\u00f3t ho\u1eb7c bi\u1ebfn d\u1ea1ng n\u00e0o c\u1ee7a v\u1eadt li\u1ec7u v\u1ecf s\u1ebd kh\u00f4ng l\u00e0m l\u1ed9 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong khi v\u1eadt li\u1ec7u v\u1ecf gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t b\u00ean trong do \u0111\u00fac ho\u1eb7c \u0111\u00fac phun g\u00e2y ra. V\u1ecf m\u1eabu kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn d\u1ea1ng v\u1eadt l\u00fd l\u00e0m l\u1ed9 th\u00e0nh ph\u1ea7n b\u00ean trong.<\/span><\/span><\/p>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: th\u1eed nghi\u1ec7m gi\u1ea3m \u1ee9ng su\u1ea5t l\u00e0 \u0111\u1ec3 m\u00f4 ph\u1ecfng kh\u1ea3 n\u0103ng c\u1ee7a pin lithium ion duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a v\u1ecf sau khi ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao th\u00edch h\u1ee3p. D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: ch\u1eb3ng h\u1ea1n nh\u01b0 bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao, v.v.<\/span><\/span><\/p>\n

Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba: c\u1ea7n l\u01b0u \u00fd nh\u1eefng \u0111i\u1ec3m sau trong th\u1eed nghi\u1ec7m gi\u1ea3m \u1ee9ng su\u1ea5t: (1) th\u1eed nghi\u1ec7m n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ed1i v\u1edbi pin lithium-ion c\u00f3 v\u1ecf nh\u1ef1a nhi\u1ec7t d\u1ebbo \u0111\u00fac ho\u1eb7c \u0111\u00fac phun; (2) Tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m, bu\u1ed3ng th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ebfn 70 \u2103 \u00b1 2 \u2103, sau \u0111\u00f3 m\u1eabu ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o bu\u1ed3ng th\u1eed nghi\u1ec7m thay v\u00ec m\u1eabu. Sau khi th\u1eed nghi\u1ec7m, m\u1eabu ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5y ra v\u00e0 kh\u00f4i ph\u1ee5c v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng thay v\u00ec \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng trong bu\u1ed3ng th\u1eed nghi\u1ec7m; (3) N\u1ebfu m\u1eabu b\u1ecb h\u01b0 h\u1ecfng do ch\u00e1y n\u1ed5 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, m\u1eabu c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u. (khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng k\u1eb9p v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c khi l\u1ea5y m\u1eabu \u0111\u1ec3 tr\u00e1nh b\u1ecb b\u1ecfng. \u0110\u1ed3ng th\u1eddi, c\u00e1c m\u1eabu \u0111\u00e3 th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t trong h\u1ed9p ch\u1ed1ng n\u1ed5 chuy\u00ean d\u1ee5ng trong h\u01a1n hai gi\u1edd.)<\/span><\/span><\/p>\n

Th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao<\/span><\/span><\/a><\/span><\/h1>\n

M\u1eabu ph\u1ea3i c\u00f3 \u0111\u1ee7 \u0111\u1ed9 an to\u00e0n khi s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao. C\u00f3 \u0111\u1ee7 ti\u00eau chu\u1ea9n hay kh\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u00f4ng qua th\u1eed nghi\u1ec7m d\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao sau: \u0111\u1eb7t m\u1eabu \u0111\u00e3 s\u1ea1c \u0111\u1ea7y v\u00e0o bu\u1ed3ng th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 trong bu\u1ed3ng th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00e0 nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n tr\u00ean c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3 pin lithium-ion, nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n tr\u00ean c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3 pin v\u00e0 gi\u00e1 tr\u1ecb t\u1ed1i \u0111a l\u00e0 80 \u2103. Sau khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a m\u1eabu \u1ed5n \u0111\u1ecbnh, ph\u1ea3i duy tr\u00ec trong 7 gi\u1edd.<\/span><\/span><\/p>\n

M\u1eabu ph\u1ea3i \u0111\u00e1p \u1ee9ng m\u1ed9t trong c\u00e1c y\u00eau c\u1ea7u sau:<\/span><\/span><\/p>\n

(1) c\u1eaft m\u1ea1ch \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u00f3 ch\u00e1y, n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng;<\/span><\/span><\/p>\n

(2) Kh\u00f4ng c\u1eaft m\u1ea1ch, ti\u1ebfp t\u1ee5c m\u1ed9t chu k\u1ef3 s\u1ea1c x\u1ea3 theo ph\u01b0\u01a1ng ph\u00e1p s\u1ea1c v\u00e0 x\u1ea3 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 m\u1eabu kh\u00f4ng b\u1ecb ch\u00e1y, n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng.<\/span><\/span><\/p>\n

M\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m: th\u1eed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng t\u00ednh an to\u00e0n c\u1ee7a pin lithium ion trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao. V\u00ed d\u1ee5, \u0111\u1ec3 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd ho\u1eb7c tr\u1ea1ng th\u00e1i s\u1ea1c tr\u00ean \u00f4 t\u00f4 trong th\u1eddi gian d\u00e0i d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb: ch\u1eb3ng h\u1ea1n nh\u01b0 bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao, m\u00e1y ki\u1ec3m tra x\u1ea3 \u0111i\u1ec7n t\u00edch, v.v.<\/span><\/span><\/p>\n

Th\u1eadn tr\u1ecdng: c\u1ea7n ch\u00fa \u00fd nh\u1eefng \u0111i\u1ec3m sau \u0111\u00e2y khi th\u1eed nghi\u1ec7m pin lithium-ion \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/span><\/span><\/p>\n

(1) th\u1eddi gian gi\u1eef nhi\u1ec7t \u0111\u1ed9 cao 7h \u0111\u01b0\u1ee3c t\u00ednh sau khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t m\u1eabu \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng. N\u1ebfu th\u1eddi gian cho m\u1ed9t chu k\u1ef3 x\u1ea3 v\u00e0 s\u1ea1c l\u1edbn h\u01a1n 7h, th\u1eddi gian th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i \u0111\u1ebfn cu\u1ed1i chu k\u1ef3 s\u1ea1c v\u00e0 x\u1ea3 n\u00e0y;<\/span><\/span><\/p>\n

(2) Vi\u1ec7c l\u1ef1a ch\u1ecdn nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m l\u00e0 l\u1ef1a ch\u1ecdn nhi\u1ec7t \u0111\u1ed9 s\u1ea1c tr\u00ean (v\u00ed d\u1ee5 40 \u2103) v\u00e0 nhi\u1ec7t \u0111\u1ed9 x\u1ea3 tr\u00ean (v\u00ed d\u1ee5 55 \u2103), nhi\u1ec7t \u0111\u1ed9 s\u1ea1c tr\u00ean (v\u00ed d\u1ee5 45 \u2103) v\u00e0 nhi\u1ec7t \u0111\u1ed9 x\u1ea3 tr\u00ean c\u1ee7a pin lithium-ion (ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u00e1 tr\u1ecb t\u1ed1i \u0111a gi\u1eefa 60 \u2103 v\u00e0 80 \u2103. N\u00f3i chung, nhi\u1ec7t \u0111\u1ed9 s\u1ea1c tr\u00ean c\u1ee7a pin lithium-ion \u2264 nhi\u1ec7t \u0111\u1ed9 s\u1ea1c tr\u00ean c\u1ee7a pin < 80 \u2103 v\u00e0 nhi\u1ec7t \u0111\u1ed9 x\u1ea3 tr\u00ean c\u1ee7a pin lithium-ion \u2264 nhi\u1ec7t \u0111\u1ed9 x\u1ea3 tr\u00ean c\u1ee7a pin < 80 \u2103. Do \u0111\u00f3, nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m n\u00f3i chung \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 80 \u2103.<\/span><\/span><\/p>\n

(3) Do lu\u1ed3ng kh\u00f4ng kh\u00ed trong bu\u1ed3ng th\u1eed nghi\u1ec7m s\u1ebd \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t, d\u1eabn \u0111\u1ebfn m\u1ea5t nhi\u1ec7t tr\u00ean b\u1ec1 m\u1eb7t pin trong qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3, n\u00ean c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i gi\u1ea3m t\u1ed1c \u0111\u1ed9 gi\u00f3 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng l\u00ean m\u1eabu.<\/span><\/span><\/p>\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/span><\/span><\/span><\/h1>\n

Pin lithium ion ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n trong c\u00e1c l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng, giao th\u00f4ng, chi\u1ebfu s\u00e1ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. V\u1edbi kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng v\u00e0 ti\u1ec7n l\u1ee3i \u0111\u1ed9c \u0111\u00e1o, pin lithium ion ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c c\u00f4ng ch\u00fang \u01b0a chu\u1ed9ng. Tuy nhi\u00ean, t\u00ednh an to\u00e0n c\u1ee7a pin lithium ion \u0111\u00e3 b\u1ecb m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 tr\u00edch v\u00e0 \u0111\u00e3 c\u1ea3nh b\u00e1o ch\u00fang ta trong c\u00e1c th\u1eed nghi\u1ec7m an to\u00e0n. Ch\u00fang ta n\u00ean \u0111\u1ed1i x\u1eed v\u1edbi ch\u00fang m\u1ed9t c\u00e1ch nghi\u00eam t\u00fac v\u00e0 th\u1ef1c t\u1ebf. Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u00fd ki\u1ebfn \u200b\u200bkhi\u00eam t\u1ed1n v\u1ec1 c\u00e1c th\u1eed nghi\u1ec7m an to\u00e0n \u0111\u1ec3 \u0111\u1ed9c gi\u1ea3 th\u1ea3o lu\u1eadn.<\/span><\/span><\/p>\n

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

Pin lithium ion v\u00e0 to\u00e0n b\u1ed9 m\u1eabu bao g\u1ed3m pin kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \/ pin lithium ion v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed c\u1ee7a n\u00f3. \u0110\u1ed1i v\u1edbi pin kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed nh\u01b0 m\u1ed9t m\u1eabu t\u1ed5ng th\u1ec3 \u0111\u1ec3<\/p>\n","protected":false},"author":1,"featured_media":19921,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19920","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\/19920","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=19920"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19920\/revisions"}],"predecessor-version":[{"id":22117,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19920\/revisions\/22117"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19921"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}