{"id":19573,"date":"2024-05-16T05:54:26","date_gmt":"2024-05-16T05:54:26","guid":{"rendered":"http:\/\/dgbellvietnam.com\/ev-power-battery-environmental-and-safety-test-part-2\/"},"modified":"2024-09-27T15:37:09","modified_gmt":"2024-09-27T08:37:09","slug":"ev-power-battery-environmental-and-safety-test-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/ev-power-battery-environmental-and-safety-test-part-2\/","title":{"rendered":"Th\u1eed nghi\u1ec7m an to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a pin xe \u0111i\u1ec7n EV \u2013 Ph\u1ea7n 2"},"content":{"rendered":"
\n

c) Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch<\/a><\/p>\n

Pin lithium ion \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong bu\u1ed3ng ch\u1ed1ng ch\u00e1y n\u1ed5 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (20 \u00b1 5)\u00b0C. Khi pin lithium-ion b\u1ecb ng\u1eafn m\u1ea1ch ngo\u00e0i, \u0111i\u1ec7n tr\u1edf m\u1ea1ch ngo\u00e0i ph\u1ea3i nh\u1ecf h\u01a1n 5 m\u03a9. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, pin lithium-ion kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda. Th\u1eed nghi\u1ec7m n\u00e0y nh\u1eb1m \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a pin lithium-ion trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng ho\u1eb7c khi x\u1ea3y ra tai n\u1ea1n. C\u00f3 th\u1ec3 x\u1ea3y ra ng\u1eafn m\u1ea1ch gi\u1eefa c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m c\u1ee7a pin, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t d\u00f2ng \u0111i\u1ec7n l\u1edbn. L\u00fac n\u00e0y, m\u1ea1ch b\u1ea3o v\u1ec7 b\u00ean trong c\u1ee7a pin s\u1ebd ho\u1ea1t \u0111\u1ed9ng v\u00e0 ng\u1eaft k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec7n c\u1ef1c. \u0110\u1ea3m b\u1ea3o pin kh\u00f4ng ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda.<\/p>\n

d) Th\u1eed nghi\u1ec7m r\u01a1i<\/a><\/p>\n

Pin lithium ion \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh \u1edf nhi\u1ec7t \u0111\u1ed9 (20 \u00b1 5)\u00b0C. R\u01a1i t\u1eeb \u0111\u1ed9 cao 1,5 m\u00e9t t\u1eeb h\u01b0\u1edbng Nam xu\u1ed1ng s\u00e0n g\u1ed7 c\u1ee9ng d\u00e0y 20 mm. M\u1ed7i b\u00ean tr\u1ea3i qua m\u1ed9t l\u1ea7n th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i (pin \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf \u0111\u00e2y c\u00f3 d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt n\u00ean c\u1ea7n ph\u1ea3i tr\u1ea3i qua s\u00e1u l\u1ea7n th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i) trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. Pin lithium ion kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t n\u1ed5, b\u1eaft l\u1eeda ho\u1eb7c r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng.<\/p>\n

e) Th\u1eed nghi\u1ec7m gia nhi\u1ec7t<\/p>\n

\u0110\u1eb7t pin lithium-ion v\u00e0o bu\u1ed3ng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i. V\u00e0 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng thay \u0111\u1ed5i trong 120 ph\u00fat. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, pin lithium-ion kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda.<\/p>\n

Xe \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u00e1i trong th\u1eddi gian d\u00e0i d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi thi\u00eau \u0111\u1ed1t. \u0110\u1eb7t pin ngu\u1ed3n trong kh\u00f4ng gian k\u00edn. Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi tr\u00ean 60\u00b0C. N\u1ebfu pin lithium-ion kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao. V\u1ee5 n\u1ed5 v\u00e0 ch\u00e1y n\u1ed5 s\u1ebd x\u1ea3y ra. Th\u00ed nghi\u1ec7m n\u00e0y nh\u1eb1m \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

f) Th\u1eed nghi\u1ec7m n\u00e9n<\/p>\n

\u0110\u1eb7t pin lithium-ion v\u00e0o bu\u1ed3ng th\u1eed n\u00e9n. T\u00e1c d\u1ee5ng l\u1ef1c theo h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi t\u1ea5m pin, c\u00f3 di\u1ec7n t\u00edch n\u00e9n kh\u00f4ng nh\u1ecf h\u01a1n 20 cmz. B\u00f3p cho \u0111\u1ebfn khi v\u1ecf pin b\u1ecb v\u1ee1 ho\u1eb7c x\u1ea3y ra \u0111o\u1ea3n m\u1ea1ch b\u00ean trong (\u0111i\u1ec7n \u00e1p c\u1ee7a pin tr\u1edf th\u00e0nh 0V). Th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 m\u1ed9t th\u1eed nghi\u1ec7m ph\u00e1 h\u1ee7y. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, pin lithium-ion kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda.<\/p>\n

N\u1ebfu xe \u0111i\u1ec7n g\u1eb7p tai n\u1ea1n khi \u0111ang l\u00e1i xe. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi b\u1ed9 ph\u1eadn \u0111\u1eb7t \u1eafc quy \u0111i\u1ec7n c\u1ee7a xe \u0111i\u1ec7n b\u1ecb xe kh\u00e1c \u0111\u00e2m v\u00e0o. V\u1ecf ngo\u00e0i c\u1ee7a pin ngu\u1ed3n c\u00f3 th\u1ec3 b\u1ecb v\u1ee1. Th\u1eadm ch\u00ed, pin \u0111i\u1ec7n c\u00f3 th\u1ec3 b\u1ecb v\u1ee1, d\u1eabn \u0111\u1ebfn ch\u00e1y n\u1ed5.<\/p>\n

g) Th\u1eed nghi\u1ec7m \u0111\u00e2m kim<\/a><\/p>\n

Pin lithium ion \u0111\u01b0\u1ee3c \u0111\u1eb7t trong bu\u1ed3ng th\u1eed nghi\u1ec7m \u0111\u00e2m kim ch\u1ed1ng ch\u00e1y n\u1ed5. S\u1eed d\u1ee5ng kim th\u00e9p ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 3-8 mm. V\u1edbi t\u1ed1c \u0111\u1ed9 10-40 mm\/s. Th\u00f4ng qua h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi t\u1ea5m pin (kim th\u00e9p n\u1eb1m trong pin), pin \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf tr\u1ea1ng th\u00e1i ng\u1eafn m\u1ea1ch th\u00f4ng qua s\u1ef1 xuy\u00ean qua c\u1ee7a kim th\u00e9p. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, pin lithium-ion kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda<\/p>\n

H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a \u00f4 t\u00f4 \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra tai n\u1ea1n ho\u1eb7c tai n\u1ea1n xe \u0111i\u1ec7n. Sau khi b\u1ecb tr\u00fang ngu\u1ed3n pin. C\u00f3 th\u1ec3 c\u00f3 b\u1ed9 ph\u1eadn kim lo\u1ea1i xuy\u00ean qua ho\u1eb7c th\u1eadm ch\u00ed xuy\u00ean qua pin \u0111i\u1ec7n. G\u00e2y \u0111o\u1ea3n m\u1ea1ch \u1eafc quy, r\u00f2 r\u1ec9 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n b\u00ean trong, b\u1ed1c kh\u00f3i v\u00e0 h\u1ecfng \u1eafc quy. Th\u1eed nghi\u1ec7m \u0111\u00e2m kim v\u00e0 th\u1eed nghi\u1ec7m n\u00e9n \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin \u0111i\u1ec7n trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra tai n\u1ea1n.<\/p>\n

Tr\u00ean \u0111\u00e2y l\u00e0 x\u00e1c minh hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a t\u1eebng pin lithium-ion ri\u00eang l\u1ebb, nh\u01b0ng t\u1ea5t nhi\u00ean, hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a t\u1eebng pin kh\u00f4ng th\u1ec3 th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a b\u1ed9 pin t\u1ed5ng th\u1ec3. \u0110i\u1ec1u n\u00e0y l\u00e0 do s\u1ef1 kh\u00e1c bi\u1ec7t t\u1ed3n t\u1ea1i trong t\u1eebng lo\u1ea1i pin. Khi h\u00ecnh th\u00e0nh m\u1ed9t b\u1ed9 pin, m\u1ee9c \u0111\u1ed9 nh\u1ea5t qu\u00e1n \u0111\u1ed9ng c\u1ee7a m\u1ed9t pin s\u1ebd kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0 t\u00ecnh tr\u1ea1ng n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a b\u1ed9 pin. N\u00f3 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng c\u1ee7a n\u00f3. Nh\u01b0 v\u1eady sau khi gh\u00e9p c\u00e1c pin ri\u00eang l\u1ebb th\u00e0nh c\u00e1c module pin. Vi\u1ec7c ki\u1ec3m tra hi\u1ec7u su\u1ea5t an to\u00e0n \u1edf tr\u00ean n\u00ean \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i.<\/p>\n

Ch\u00fang ta c\u0169ng n\u00ean bi\u1ebft. S\u1ef1 an to\u00e0n c\u1ee7a pin lithium-ion kh\u00f4ng ch\u1ec9 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c kh\u00eda c\u1ea1nh tr\u00ean. Do c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau \u0111\u1ed1i v\u1edbi thi\u1ebft k\u1ebf t\u1ed5ng th\u1ec3 c\u1ee7a xe \u0111i\u1ec7n v\u00e0 b\u1ea3n th\u00e2n qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf pin. N\u00f3 s\u1ebd khi\u1ebfn v\u1ecb tr\u00ed c\u1ee7a \u1eafc quy tr\u00ean xe b\u1ecb kh\u00e1c \u0111i. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1 c\u1ee5c t\u1eadp trung ho\u1eb7c b\u1ed1 c\u1ee5c phi t\u1eadp trung, m\u1ed7i b\u1ed1 c\u1ee5c \u0111\u1ec1u c\u00f3 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. V\u00ec v\u1eady, khi s\u1eafp x\u1ebfp v\u1ecb tr\u00ed c\u1ee7a \u1eafc quy, c\u1ea7n ph\u1ea3i t\u00ednh \u0111\u1ebfn t\u00ecnh h\u00ecnh kh\u00f4ng gian th\u1ef1c t\u1ebf b\u00ean trong xe: n\u1ebfu ch\u00fang ta mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch b\u1ed1 tr\u00ed nh\u1ecf g\u1ecdn. C\u1ea7n thay \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t \u1eafc quy xe \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng; T\u1ea5t nhi\u00ean r\u1ed3i. S\u1ef1 an to\u00e0n c\u1ee7a pin c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t. \u0110\u1ec3 ti\u1ebfp t\u1ee5c \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o gi\u1eefa thi\u1ebft k\u1ebf xe v\u00e0 thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng \u1eafc quy.<\/p>\n

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

\u0110\u1eb7c t\u00ednh s\u1eed d\u1ee5ng c\u1ee7a \u1eafc quy \u0111i\u1ec7n tr\u00ean xe \u0111i\u1ec7n kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c ngu\u1ed3n \u0111i\u1ec7n v\u00e0 \u1eafc quy kh\u00e1c. Do vi\u1ec7c s\u1eed d\u1ee5ng \u00f4 t\u00f4, v\u1ecb tr\u00ed c\u1ee7a ch\u00fang v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau c\u00f3 th\u1ec3 x\u1ea3y ra, pin d\u1ec5 b\u1ecb chuy\u1ec3n \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao, rung l\u1eafc m\u1ea1nh, ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao, s\u1ea1c v\u00e0 x\u1ea3 nhanh, c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb va \u0111\u1eadp, th\u1ee7ng, c\u0169ng nh\u01b0 \u0111o\u1ea3n m\u1ea1ch, t\u00e9 ng\u00e3, ng\u00e2m n\u01b0\u1edbc, ch\u00e1y n\u1ed5 v\u00e0 th\u1eadm ch\u00ed c\u1ea3 ti\u1ebfng s\u00fang. V\u00ec th\u1ebf, xe \u0111i\u1ec7n c\u00f3 y\u00eau c\u1ea7u c\u1ef1c k\u1ef3 cao v\u1ec1 an to\u00e0n \u0111\u1ed1i v\u1edbi pin \u0111i\u1ec7n. M\u1ed9t x\u00e1c su\u1ea5t kh\u00f4ng an to\u00e0n nh\u1ecf c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng cho pin.<\/p>\n

T\u00f3m l\u1ea1i, \u1ee9ng d\u1ee5ng pin xe \u0111i\u1ec7n s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin xe \u0111i\u1ec7n s\u1ebd l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 th\u01b0\u1eddng tr\u1ef1c li\u00ean quan \u0111\u1ebfn pin xe \u0111i\u1ec7n.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

c) Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch Pin lithium ion \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong bu\u1ed3ng ch\u1ed1ng ch\u00e1y n\u1ed5 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (20 \u00b1 5)\u00b0C. Khi pin lithium-ion b\u1ecb ng\u1eafn m\u1ea1ch ngo\u00e0i, \u0111i\u1ec7n tr\u1edf m\u1ea1ch ngo\u00e0i ph\u1ea3i nh\u1ecf h\u01a1n 5 m\u03a9. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, pin lithium-ion kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t n\u1ed5 ho\u1eb7c b\u1eaft l\u1eeda. Th\u1eed nghi\u1ec7m<\/p>\n","protected":false},"author":1,"featured_media":19574,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19573","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\/19573","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=19573"}],"version-history":[{"count":4,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19573\/revisions"}],"predecessor-version":[{"id":21892,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19573\/revisions\/21892"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19574"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}