{"id":19950,"date":"2021-08-19T06:39:13","date_gmt":"2021-08-19T06:39:13","guid":{"rendered":"http:\/\/dgbellvietnam.com\/studying-on-failure-mode-of-power-lithium-ion-battery-system%ef%bc%88part-2%ef%bc%89\/"},"modified":"2024-11-15T15:03:31","modified_gmt":"2024-11-15T08:03:31","slug":"studying-on-failure-mode-of-power-lithium-ion-battery-system%ef%bc%88part-2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/studying-on-failure-mode-of-power-lithium-ion-battery-system%ef%bc%88part-2%ef%bc%89\/","title":{"rendered":"Nghi\u00ean c\u1ee9u ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c c\u1ee7a h\u1ec7 th\u1ed1ng pin lithium-ion ngu\u1ed3n (Ph\u1ea7n 2)"},"content":{"rendered":"
\n

Ch\u1ebf \u0111\u1ed9 l\u1ed7i BMS<\/span><\/span><\/span><\/h1>\n

S\u1ef1 c\u1ed1 \u0111\u01a1n l\u1ebb c\u1ee7a pin kh\u00f4ng ch\u1ec9 li\u00ean quan \u0111\u1ebfn b\u1ea3n th\u00e2n pin m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn s\u1ef1 c\u1ed1 c\u1ee7a H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin BMS. Ch\u1ebf \u0111\u1ed9 l\u1ed7i BMS c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra tai n\u1ea1n nghi\u00eam tr\u1ecdng, bao g\u1ed3m c\u00e1c lo\u1ea1i sau:<\/span><\/span><\/p>\n

    \n
  1. L\u1ed7i ki\u1ec3m tra \u0111i\u1ec7n \u00e1p BMS g\u00e2y ra t\u00ecnh tr\u1ea1ng s\u1ea1c qu\u00e1 m\u1ee9c ho\u1eb7c x\u1ea3 qu\u00e1 m\u1ee9c pin:<\/span><\/span><\/span><\/li>\n<\/ol>\n

    \u0110\u01b0\u1eddng th\u1eed \u0111i\u1ec7n \u00e1p kh\u00f4ng th\u00e0nh c\u00f4ng do k\u1ebft n\u1ed1i k\u00e9m, qu\u00e1 tr\u00ecnh \u00e9p d\u00e2y ho\u1eb7c ti\u1ebfp x\u00fac. BMS kh\u00f4ng c\u00f3 th\u00f4ng tin \u0111i\u1ec7n \u00e1p v\u00e0 kh\u00f4ng d\u1eebng khi s\u1ea1c. S\u1ea1c qu\u00e1 m\u1ee9c pin s\u1ebd g\u00e2y ra ch\u00e1y n\u1ed5. H\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1ea1c qu\u00e1 m\u1ee9c lithium s\u1eaft phosphate tr\u00ean 5V ch\u1ec9 l\u00e0 kh\u00f3i, nh\u01b0ng m\u1ed9t khi pin ba th\u00e0nh ph\u1ea7n b\u1ecb s\u1ea1c qu\u00e1 m\u1ee9c, n\u00f3 s\u1ebd ph\u00e1t n\u1ed5.<\/span><\/span><\/p>\n

    H\u01a1n n\u1eefa, vi\u1ec7c s\u1ea1c qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng d\u1eabn \u0111\u1ebfn vi\u1ec7c gi\u1ea3i ph\u00f3ng kh\u00ed t\u1eeb ph\u00e2n t\u00edch ch\u1ea5t \u0111i\u1ec7n ph\u00e2n trong pin lithium-ion, d\u1eabn \u0111\u1ebfn pin ph\u1ed3ng l\u00ean v\u00e0 th\u1eadm ch\u00ed b\u1ed1c kh\u00f3i v\u00e0 ch\u00e1y trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng; Vi\u1ec7c x\u1ea3 qu\u00e1 m\u1ee9c c\u1ee7a pin s\u1ebd d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u01a1ng c\u1ee7a pin, d\u1eabn \u0111\u1ebfn kh\u00f4ng s\u1ea1c \u0111\u01b0\u1ee3c; \u0110\u1ed3ng th\u1eddi, \u0111i\u1ec7n \u00e1p pin qu\u00e1 th\u1ea5p, d\u1eabn \u0111\u1ebfn ph\u00e2n t\u00edch ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, kh\u00f4, k\u1ebft t\u1ee7a lithium v\u00e0 \u0111o\u1ea3n m\u1ea1ch trong pin. \u0110\u01b0\u1eddng d\u00e2y thu th\u1eadp \u0111i\u1ec7n \u00e1p \u0111\u00e1ng tin c\u1eady s\u1ebd \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y thu th\u1eadp \u0111i\u1ec7n \u00e1p.<\/span><\/span><\/p>\n

      \n
    1. Ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n BMS kh\u00f4ng th\u00e0nh c\u00f4ng<\/span><\/span><\/li>\n<\/ol>\n

      C\u1ea3m bi\u1ebfn Hall b\u1ecb l\u1ed7i, BMS kh\u00f4ng th\u1ec3 thu th\u1eadp d\u00f2ng \u0111i\u1ec7n, kh\u00f4ng th\u1ec3 t\u00ednh to\u00e1n SOC v\u00e0 \u0111\u1ed9 l\u1ec7ch l\u1edbn. Vi\u1ec7c ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n kh\u00f4ng th\u00e0nh c\u00f4ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n s\u1ea1c qu\u00e1 m\u1ee9c. N\u1ebfu d\u00f2ng \u0111i\u1ec7n s\u1ea1c l\u1edbn, nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u1ee7a cell l\u1edbn v\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, kh\u1ea3 n\u0103ng l\u01b0u h\u00f3a c\u1ee7a m\u00e0ng ng\u0103n s\u1ebd b\u1ecb suy gi\u1ea3m, \u0111i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a pin.<\/span><\/span><\/p>\n

        \n
      1. Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 BMS kh\u00f4ng th\u00e0nh c\u00f4ng<\/span><\/span><\/li>\n<\/ol>\n

        Vi\u1ec7c kh\u00f4ng ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c cao c\u1ee7a pin v\u00e0 ph\u1ea3n \u1ee9ng kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a pin, c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn dung l\u01b0\u1ee3ng pin v\u00e0 \u0111i\u1ec7n tr\u1edf b\u00ean trong. Tu\u1ed5i th\u1ecd l\u1ecbch c\u1ee7a cell pin c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9. S\u1ed1 chu k\u1ef3 \u1edf 45 \u00b0 C b\u1eb1ng m\u1ed9t n\u1eeda \u1edf 25 \u00b0 C. Ngo\u00e0i ra, pin d\u1ec5 b\u1ecb ph\u1ed3ng, r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng, n\u1ed5 v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c khi nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao. Do \u0111\u00f3, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd trong kho\u1ea3ng t\u1eeb 20-45 \u00b0 C trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng pin, Ngo\u00e0i vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a pin, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao do s\u1ef1 tho\u00e1t nhi\u1ec7t c\u1ee7a lithium trong qu\u00e1 tr\u00ecnh s\u1ea1c pin \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/span><\/span><\/p>\n

          \n
        1. L\u1ed7i gi\u00e1m s\u00e1t c\u00e1ch \u0111i\u1ec7n<\/span><\/span><\/li>\n<\/ol>\n

          H\u1ec7 th\u1ed1ng \u1eafc quy \u0111i\u1ec7n b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng c\u00e1ch \u0111i\u1ec7n. N\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n BMS, c\u00f3 th\u1ec3 x\u1ea3y ra t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n gi\u1eadt c\u00e1 nh\u00e2n. Do \u0111\u00f3, h\u1ec7 th\u1ed1ng BMS ph\u1ea3i c\u00f3 y\u00eau c\u1ea7u cao nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn gi\u00e1m s\u00e1t. Tr\u00e1nh \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t b\u1ecb h\u1ecfng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u00ednh an to\u00e0n c\u1ee7a \u1eafc quy \u0111i\u1ec7n.<\/span><\/span><\/p>\n

            \n
          1. V\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb l\u1ed7i giao ti\u1ebfp<\/span><\/span><\/li>\n<\/ol>\n

            \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng BMS, EMC ch\u1ee7 y\u1ebfu ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb c\u1ee7a n\u00f3. Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb s\u1ebd g\u00e2y ra l\u1ed7i giao ti\u1ebfp BMS, g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u00ean.<\/span><\/span><\/p>\n

              \n
            1. \u0110\u1ed9 l\u1ec7ch \u01b0\u1edbc t\u00ednh SOC l\u1edbn<\/span><\/span><\/li>\n<\/ol>\n

              Hi\u1ec7n nay, v\u1ea5n \u0111\u1ec1 chung c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t BMS ch\u1ec9 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 k\u00edch th\u01b0\u1edbc \u0111\u1ed9 l\u1ec7ch. V\u1ec1 c\u01a1 b\u1ea3n, y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n ki\u1ec3m tra hi\u1ec7n t\u1ea1i n\u1eb1m trong ph\u1ea1m vi 5%, \u0111i\u1ec1u n\u00e0y s\u1ebd r\u1ea5t kh\u00f3 \u0111\u1ec3 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t BMS \u0111\u1ea1t \u0111\u01b0\u1ee3c, v\u00ec l\u1ed7i SOC s\u1ebd ng\u00e0y c\u00e0ng l\u1edbn h\u01a1n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, v\u00ec m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 c\u00f3 nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c h\u01a1n.<\/span><\/span><\/p>\n

              Ch\u1ebf \u0111\u1ed9 l\u1ed7i t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng \u0111\u00f3ng g\u00f3i<\/span><\/span><\/span><\/h1>\n
                \n
              1. H\u1ecfng thanh c\u00e1i:<\/span><\/span><\/li>\n<\/ol>\n

                Trong tr\u01b0\u1eddng h\u1ee3p k\u1ebft n\u1ed1i bu l\u00f4ng, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng sau n\u00e0y, qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 r\u01a1i ra kh\u1ecfi bu l\u00f4ng ho\u1eb7c bu l\u00f4ng b\u1ecb l\u1ecfng do rung \u0111\u1ed9ng s\u1ebd d\u1eabn \u0111\u1ebfn r\u1ea5t nhi\u1ec1u nhi\u1ec7t \u1edf k\u1ebft n\u1ed1i d\u00e2y d\u1eabn v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p c\u1ef1c \u0111oan, n\u00f3 s\u1ebd d\u1eabn \u0111\u1ebfn \u0111\u00e1nh l\u1eeda pin \u0111i\u1ec7n. Do \u0111\u00f3, h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n \u00e1p d\u1ee5ng h\u00e0n laser t\u1ea1i k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c \u00f4 ho\u1eb7c gi\u1eefa c\u00e1c m\u00f4-\u0111un ho\u1eb7c th\u00eam c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ea1i k\u1ebft n\u1ed1i \u0111\u1ec3 tr\u00e1nh h\u1ecfng thanh c\u00e1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n.<\/span><\/span><\/p>\n

                  \n
                1. H\u1ecfng \u0111\u1ea7u n\u1ed1i m\u1ea1ch ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng \u1eafc quy:<\/span><\/span><\/li>\n<\/ol>\n

                  \u0110\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n \u00e1p cao c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u00e1p cao b\u00ean ngo\u00e0i th\u00f4ng qua m\u1ed9t \u0111\u1ea7u n\u1ed1i. Hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ea7u n\u1ed1i kh\u00f4ng \u0111\u00e1ng tin c\u1eady. \u0110\u1ea7u n\u1ed1i s\u1ebd b\u1ecb ph\u00e1 h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 cao khi k\u1ebft n\u1ed1i \u1ea3o x\u1ea3y ra d\u01b0\u1edbi rung \u0111\u1ed9ng. N\u00f3i chung, khi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u n\u1ed1i v\u01b0\u1ee3t qu\u00e1 90 \u0111\u1ed9, l\u1ed7i k\u1ebft n\u1ed1i s\u1ebd x\u1ea3y ra. Do \u0111\u00f3, trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, \u0111\u1ea7u n\u1ed1i c\u1ea7n t\u0103ng ch\u1ee9c n\u0103ng li\u00ean \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p cao ho\u1eb7c th\u00eam c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 gi\u1eefa c\u00e1c \u0111\u1ea7u n\u1ed1i \u0111\u1ec3 theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u1ea7u n\u1ed1i m\u1ecdi l\u00fac \u0111\u1ec3 ng\u0103n ng\u1eeba \u0111\u1ea7u n\u1ed1i b\u1ecb h\u1ecfng.<\/span><\/span><\/p>\n

                    \n
                  1. Ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n \u00e1p cao b\u1ecb k\u1eb9t<\/span><\/span><\/li>\n<\/ol>\n

                    Contactor c\u00f3 m\u1ed9t s\u1ed1 l\u1ea7n ng\u1eaft t\u1ea3i nh\u1ea5t \u0111\u1ecbnh v\u00e0 h\u1ea7u h\u1ebft c\u00e1c contactor \u0111\u1ec1u b\u1ecb c\u1eaft khi d\u00f2ng \u0111i\u1ec7n t\u1ea3i cao \u0111\u00f3ng. Trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, s\u01a1 \u0111\u1ed3 r\u01a1le k\u00e9p th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3ng \u0111\u1ec3 tr\u00e1nh contactor \u0111i\u1ec7n \u00e1p cao b\u1ecb k\u1eb9t.<\/span><\/span><\/p>\n

                      \n
                    1. L\u1ed7i b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng c\u1ea7u ch\u00ec:<\/span><\/span><\/li>\n<\/ol>\n

                      Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 k\u1ebft h\u1ee3p c\u1ea7u ch\u00ec trong c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u00e1p cao c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t to\u00e0n di\u1ec7n. Rung \u0111\u1ed9ng ho\u1eb7c va ch\u1ea1m b\u00ean ngo\u00e0i v\u00e0 \u0111\u00f9n d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng pin \u0111i\u1ec7n, h\u1ecfng ph\u1edbt v\u00e0 gi\u1ea3m c\u1ea5p IP. Do \u0111\u00f3, b\u1ea3o v\u1ec7 va ch\u1ea1m c\u1ee7a c\u1ea5u tr\u00fac h\u1ed9p pin c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/span><\/span><\/p>\n

                      Theo c\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c tr\u00ean c\u1ee7a h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t pin c\u1ea7n li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn quy tr\u00ecnh v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u1ec3 n\u00e2ng cao t\u00ednh an to\u00e0n c\u1ee7a cell pin lithium. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u1ec7 th\u1ed1ng BMS ph\u1ea3i hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a pin v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng pin an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n. \u0110\u1ed3ng th\u1eddi, s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch l\u00e0 r\u00e0o c\u1ea3n cu\u1ed1i c\u00f9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho pin. Ng\u01b0\u1eddi d\u00f9ng n\u00ean s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch h\u1ec7 th\u1ed1ng pin \u0111i\u1ec7n, lo\u1ea1i b\u1ecf s\u1ef1 l\u1ea1m d\u1ee5ng c\u01a1 h\u1ecdc, l\u1ea1m d\u1ee5ng nhi\u1ec7t v\u00e0 l\u1ea1m d\u1ee5ng \u0111i\u1ec7n, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 t\u00ednh an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a xe \u0111i\u1ec7n.<\/span><\/span><\/p>\n

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

                      Trong ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c c\u1ee7a pin lithium-ion, h\u1ecfng h\u00f3c c\u1ee7a cell, BMS v\u00e0 b\u1ed9 pin li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch b\u00ean trong, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, qu\u00e1 t\u1ea3i v\u00e0 x\u1ea3, va ch\u1ea1m v\u1eadt l\u00fd v\u00e0 \u0111\u00f9n \u00e9p, v.v. <\/span><\/span>DGBELL<\/span><\/span> c\u00f3 th\u1ec3 cung c\u1ea5p lo\u1ea1t thi\u1ebft b\u1ecb ki\u1ec3m tra n\u00e0y, tu\u00e2n th\u1ee7 h\u1ea7u h\u1ebft c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u chuy\u00ean nghi\u1ec7p th\u1ef1c t\u1ebf v\u00e0 hi\u1ec7u qu\u1ea3. V\u1edbi d\u1eef li\u1ec7u tham kh\u1ea3o nh\u01b0 v\u1eady, n\u00f3 c\u00f3 th\u1ec3 gi\u00fap \u00edch th\u1ef1c t\u1ebf cho vi\u1ec7c c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa t\u00ednh an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a pin lithium. GDBELL c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ed1t c\u00e1c nhu c\u1ea7u th\u00f4ng th\u01b0\u1eddng v\u00e0 t\u00f9y ch\u1ec9nh c\u1ee7a b\u1ea1n. N\u1ebfu c\u1ea7n, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i. Ch\u00fang t\u00f4i s\u1ebd ph\u1ea3n h\u1ed3i b\u1ea1n trong v\u00f2ng 12 gi\u1edd.<\/span><\/span><\/p>\n

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

                      Ch\u1ebf \u0111\u1ed9 l\u1ed7i BMS S\u1ef1 c\u1ed1 \u0111\u01a1n l\u1ebb c\u1ee7a pin kh\u00f4ng ch\u1ec9 li\u00ean quan \u0111\u1ebfn b\u1ea3n th\u00e2n pin m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn s\u1ef1 c\u1ed1 c\u1ee7a H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin BMS. Ch\u1ebf \u0111\u1ed9 l\u1ed7i BMS c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra tai n\u1ea1n nghi\u00eam tr\u1ecdng, bao g\u1ed3m c\u00e1c lo\u1ea1i sau: L\u1ed7i ki\u1ec3m tra \u0111i\u1ec7n \u00e1p<\/p>\n","protected":false},"author":1,"featured_media":19951,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19950","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\/19950","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=19950"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19950\/revisions"}],"predecessor-version":[{"id":22415,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19950\/revisions\/22415"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19951"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}