{"id":19642,"date":"2023-11-09T01:35:51","date_gmt":"2023-11-09T01:35:51","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-ion-battery-thermal-runaway-test-part-2\/"},"modified":"2024-10-21T16:25:38","modified_gmt":"2024-10-21T09:25:38","slug":"lithium-ion-battery-thermal-runaway-test-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-ion-battery-thermal-runaway-test-part-2\/","title":{"rendered":"Th\u1eed nghi\u1ec7m tho\u00e1t nhi\u1ec7t pin Lithium-ion \u2013 Ph\u1ea7n 2"},"content":{"rendered":"
\n

2 Th\u00ed nghi\u1ec7m v\u1ec1 m\u1ed1i nguy hi\u1ec3m th\u1ef1c s\u1ef1 \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a m\u00e1y bay<\/span><\/span><\/strong><\/span><\/h1>\n

2.1 Th\u00ed nghi\u1ec7m ch\u00e1y t\u00fai bay \u0111i\u1ec7n t\u1eed trong bu\u1ed3ng l\u00e1i<\/span><\/span><\/span><\/h2>\n

Trong th\u00ed nghi\u1ec7m r\u1ee7i ro v\u1ec1 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion trong bu\u1ed3ng l\u00e1i, m\u1ed9t t\u1ef7 l\u1ec7 thay th\u1ebf kh\u00f4ng kh\u00ed cao \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u00e0 m\u1ed9t t\u00fai bay \u0111i\u1ec7n t\u1eed (EFB) \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng b\u1eb1ng m\u1ed9t m\u00e1y s\u01b0\u1edfi. Pin lithium-ion EFB c\u00f3 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef 7,2Ah (SOC l\u00e0 100%) \u0111\u00e3 ngay l\u1eadp t\u1ee9c k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u00e1m ch\u00e1y khi ng\u1ecdn l\u1eeda tr\u1ea7n x\u1ea3y ra. K\u1ebft qu\u1ea3 cho th\u1ea5y m\u1ee9c CO, CO2 v\u00e0 O2 trong cabin thay \u0111\u1ed5i \u0111\u00f4i ch\u00fat, nh\u01b0ng nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 600 \u2103. \u0110\u1ed9 m\u1edd c\u1ee7a kh\u00f3i l\u00e0 10% v\u00e0 k\u00e9o d\u00e0i trong 5 ph\u00fat. M\u1ed9t xung \u00e1p su\u1ea5t l\u1edbn c\u00f3 th\u1ec3 \u0111\u1ea9y m\u1edf c\u1eeda cabin kh\u00f4ng kh\u00f3a. Ngay c\u1ea3 \u1edf t\u1ef7 l\u1ec7 thay th\u1ebf kh\u00f4ng kh\u00ed cao (m\u1ed9t l\u1ea7n m\u1ed7i ph\u00fat), s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb EFB duy nh\u1ea5t s\u1ebd \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a chuy\u1ebfn bay v\u00e0 vi\u1ec7c l\u00e1i xe, g\u00e2y ra m\u1ed1i nguy hi\u1ec3m th\u1ea3m kh\u1ed1c ti\u1ec1m t\u00e0ng.<\/span><\/span><\/p>\n

2.2 Th\u00ed nghi\u1ec7m ch\u00e1y m\u00e1y t\u00ednh b\u1ea3ng \u0111i\u1ec7n t\u1eed trong cabin<\/span><\/span><\/span><\/h2>\n

M\u00e1y t\u00ednh b\u1ea3ng l\u00e0 thi\u1ebft b\u1ecb l\u00e0m vi\u1ec7c v\u00e0 gi\u1ea3i tr\u00ed \u0111\u01b0\u1ee3c c\u00e1c th\u00e0nh vi\u00ean phi h\u00e0nh \u0111o\u00e0n v\u00e0 h\u00e0nh kh\u00e1ch mang theo, c\u00f3 nguy c\u01a1 ti\u1ec1m \u1ea9n \u0111\u00e1ng k\u1ec3. N\u0103m 2013, FAA \u0111\u00e3 \u0111\u1eb7t m\u00e1y t\u00ednh b\u1ea3ng l\u00ean xe \u0111\u1ea9y nh\u00e0 b\u1ebfp v\u00e0 l\u00e0m n\u00f3ng n\u00f3 b\u1eb1ng m\u00e1y s\u01b0\u1edfi trong th\u00ed nghi\u1ec7m ch\u00e1y b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n cabin. \u1ede giai \u0111o\u1ea1n \u0111\u1ea7u, ng\u1ecdn l\u1eeda li\u00ean t\u1ee5c b\u00f9ng l\u00ean t\u1eeb c\u00e1c khe h\u1edf, sau \u0111\u00f3 ch\u00e1y d\u1eef d\u1ed9i, v\u1edbi \u00e1p su\u1ea5t t\u0103ng \u0111\u1ed9t ng\u1ed9t v\u00e0 l\u00e0m c\u1eeda \u0111\u1ea9y m\u1edf nhanh. M\u1eb7c d\u00f9 h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, cabin v\u1eabn \u0111\u1ea7y kh\u00f3i d\u00e0y. Khi kh\u00ed tr\u1ed9n s\u1eb5n \u0111\u01b0\u1ee3c \u0111\u1ed1t ch\u00e1y, ng\u1ecdn l\u1eeda tho\u00e1t ra v\u00e0 m\u1ed9t l\u01b0\u1ee3ng kh\u00f3i l\u1edbn \u0111\u1ee7 \u0111\u1ec3 khi\u1ebfn h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 trong cabin kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/span><\/span><\/p>\n

Trong m\u1ed9t th\u00ed nghi\u1ec7m ch\u00e1y m\u00e1y t\u00ednh b\u1ea3ng cabin kh\u00e1c, m\u00e1y t\u00ednh b\u1ea3ng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong h\u1ed9p l\u01b0u tr\u1eef nh\u00e0 b\u1ebfp 727. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m cho th\u1ea5y m\u1ed9t c\u00fa s\u1ed1c \u00e1p su\u1ea5t l\u1edbn \u0111\u00e3 x\u1ea3y ra tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh ch\u1ea1y tr\u1ed1n nhi\u1ec7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u00e0n to\u00e0n v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a b\u00ean ngo\u00e0i h\u1ed9p \u0111\u1ea1t 81 \u2103. Nh\u01b0ng n\u1ebfu nhi\u1ec1u m\u00e1y t\u00ednh b\u1ea3ng b\u1eaft l\u1eeda, n\u00f3 s\u1ebd d\u1eabn \u0111\u1ebfn r\u1ee7i ro cao h\u01a1n.<\/span><\/span><\/p>\n

2.3 Th\u00ed nghi\u1ec7m pin lithium quy m\u00f4 l\u1edbn trong khoang h\u00e0ng h\u00f3a<\/span><\/span><\/span><\/h2>\n

Ti\u1ebfn h\u00e0nh li\u00ean t\u1ee5c v\u00e0 c\u1eadp nh\u1eadt c\u00e1c th\u00ed nghi\u1ec7m ch\u00e1y pin lithium quy m\u00f4 l\u1edbn trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf t\u1eeb ngo\u00e0i tr\u1eddi \u0111\u1ebfn c\u00e1c khoang h\u00e0ng lo\u1ea1i E v\u00e0 lo\u1ea1i C, nghi\u00ean c\u1ee9u c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a c\u00e1c v\u1ee5 ch\u00e1y pin lithium quy m\u00f4 l\u1edbn. M\u1ed9t th\u00ed nghi\u1ec7m pin lithium quy m\u00f4 l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong khoang h\u00e0ng. 5000 pin lithium-ion 18650 v\u00e0 4800 pin lithium-metal SF123A \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i v\u00e0 \u0111\u1eb7t \u1edf gi\u1eefa khoang h\u00e0ng lo\u1ea1i C c\u1ee7a m\u00e1y bay ch\u1edf h\u00e0ng 737. H\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u00e0 sau m\u1ed9t th\u1eddi gian, h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng n\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u00e1m ch\u00e1y m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p. M\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf ph\u00eda tr\u01b0\u1edbc v\u00e0 ngay ph\u00eda tr\u00ean pin, v\u00e0 m\u1ed9t c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n (c\u00f3 chi\u1ec1u cao l\u1ea7n l\u01b0\u1ee3t l\u00e0 15, 92 v\u00e0 152cm) v\u00e0 m\u00e1y d\u00f2 kh\u00ed \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo chi\u1ec1u d\u1ecdc b\u00ean c\u1ea1nh \u0111\u1ec3 ghi l\u1ea1i th\u00e0nh ph\u1ea7n kh\u00ed m\u00f4i tr\u01b0\u1eddng v\u00e0 nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 b\u00ean trong khoang h\u00e0ng h\u00f3a v\u00e0 bu\u1ed3ng l\u00e1i.<\/span><\/span><\/p>\n

Th\u00ed nghi\u1ec7m ph\u00e1t hi\u1ec7n ra r\u1eb1ng s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-kim lo\u1ea1i \u0111\u1ea9y lithium kim lo\u1ea1i v\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n ra ngo\u00e0i, g\u00e2y ra s\u1ef1 ch\u00e1y nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 xuy\u00ean qua t\u1ea5m \u0111\u00e1y b\u1eb1ng s\u1eaft. Nhi\u1ec7t \u0111\u1ed9 \u1edf ph\u00eda tr\u00ean cabin c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1000 \u2103, nguy hi\u1ec3m h\u01a1n nhi\u1ec1u so v\u1edbi pin lithium-ion. Khi ch\u1ec9 c\u00f3 m\u1ed9t ph\u1ea7n pin tham gia v\u00e0o ph\u1ea3n \u1ee9ng v\u00e0 \u0111\u00e1m ch\u00e1y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch, t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch oxy trong khoang h\u00e0ng c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1i thi\u1ec3u 3% v\u00e0 nhi\u1ec7t \u0111\u1ed9 tr\u00ean c\u00f9ng c\u1ee7a cabin c\u00f3 th\u1ec3 l\u00ean t\u1edbi 927 \u2103. \u0110\u1ed3ng th\u1eddi, kh\u00ed \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e0 th\u1ea5m v\u00e0o bu\u1ed3ng l\u00e1i, khi\u1ebfn t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch kh\u00ed \u0111\u1ed9c v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u00e1i xe b\u00ecnh th\u01b0\u1eddng c\u1ee7a phi c\u00f4ng. N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c pin tham gia v\u00e0o ph\u1ea3n \u1ee9ng, n\u00f3 s\u1ebd g\u00e2y ra thi\u1ec7t h\u1ea1i th\u1ea3m kh\u1ed1c<\/span><\/span><\/p>\n

Nghi\u00ean c\u1ee9u v\u1ec1 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i<\/span><\/span><\/p>\n

3.1 N\u1ed9i dung th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/span><\/h1>\n

Nghi\u00ean c\u1ee9u v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng t\u0129nh tr\u00ean m\u1eb7t \u0111\u1ea5t, thi\u1ebfu nghi\u00ean c\u1ee9u v\u1ec1 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a chuy\u1ebfn bay. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u k\u1ebft h\u1ee3p c\u00e1c th\u00ed nghi\u1ec7m quan s\u00e1t quy m\u00f4 nh\u1ecf, c\u00e1c th\u00ed nghi\u1ec7m t\u01b0\u01a1ng \u0111\u1ed3ng quy m\u00f4 l\u1edbn, ph\u00e2n t\u00edch l\u00fd thuy\u1ebft v\u00e0 m\u00f4 ph\u1ecfng s\u1ed1, nghi\u00ean c\u1ee9u n\u00e0y \u0111i\u1ec1u tra c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t trong pin lithium trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn chuy\u1ec3n h\u00e0ng kh\u00f4ng th\u00f4ng th\u01b0\u1eddng. Nghi\u00ean c\u1ee9u c\u0169ng \u0111i\u1ec1u tra c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 lan truy\u1ec1n m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t, tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00ed trong m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i, c\u0169ng nh\u01b0 ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 kh\u00ed, nhi\u1ec7t \u0111\u1ed9 v\u00e0 ng\u0103n ch\u1eb7n n\u1ed5 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t trong pin lithium.<\/span><\/span><\/p>\n

(1) M\u00f4 ph\u1ecfng.<\/span><\/span><\/p>\n

Ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin lithium nhi\u1ec7t \u0111\u1ed9 ch\u1ea1y tr\u1ed1n, bao b\u00ec pin lithium v\u00e0 kh\u1ea3 n\u0103ng ch\u1eefa ch\u00e1y c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y tr\u00ean m\u00e1y bay. S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c thay \u0111\u1ed5i \u0111\u1ed9ng v\u1ec1 \u00e1p su\u1ea5t, m\u00f4i tr\u01b0\u1eddng oxy v\u00e0 tr\u01b0\u1eddng d\u00f2ng ch\u1ea3y trong c\u00e1c chuy\u1ebfn bay b\u00ecnh th\u01b0\u1eddng v\u00e0 kh\u1ea9n c\u1ea5p, thi\u1ebft l\u1eadp m\u1ed9t m\u00f4 h\u00ecnh sinh v\u00e0 ti\u00eau t\u00e1n nhi\u1ec7t \u0111\u1ed9 ch\u1ea1y tr\u1ed1n c\u1ee7a pin lithium duy nh\u1ea5t v\u00e0 ph\u00e2n t\u00edch s\u1ef1 ph\u00e2n b\u1ed1 tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9, gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng, qu\u00e1 tr\u00ecnh ch\u00e1y v\u00e0 n\u1ed5, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1eefa ch\u00e1y c\u1ea7n thi\u1ebft do ch\u1ea1y tr\u1ed1n nhi\u1ec7t \u0111\u1ed9 g\u00e2y ra. Thi\u1ebft l\u1eadp m\u00f4 h\u00ecnh truy\u1ec1n nhi\u1ec7t ch\u1ea1y tr\u1ed1n nhi\u1ec7t \u0111\u1ed9 cho nhi\u1ec1u pin lithium-ion, ph\u00e2n t\u00edch h\u01b0\u1edbng v\u00e0 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t c\u1ee7a qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c pin<\/span><\/span><\/p>\n

(2) Th\u00ed nghi\u1ec7m quy m\u00f4 nh\u1ecf.<\/span><\/span><\/p>\n

S\u1eed d\u1ee5ng khoang \u00e1p su\u1ea5t th\u1ea5p quy m\u00f4 nh\u1ecf \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u00ean trong khoang, m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf pin lithium \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t b\u1ed9 dao \u0111\u1ed9ng t\u1ea7n s\u1ed1 nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 rung \u0111\u1ed9ng thay \u0111\u1ed5i c\u1ee7a v\u1eadn t\u1ea3i h\u00e0ng kh\u00f4ng th\u00f4ng th\u01b0\u1eddng. C\u00e1c y\u1ebfu t\u1ed1 v\u00e0 \u0111i\u1ec1u ki\u1ec7n ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium, c\u0169ng nh\u01b0 tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m gi\u1ea3i ph\u00f3ng kh\u00ed c\u1ee7a pin lithium, \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u.<\/span><\/span><\/p>\n

(3) Th\u00ed nghi\u1ec7m x\u00e1c nh\u1eadn quy m\u00f4 l\u1edbn.<\/span><\/span><\/p>\n

S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb th\u1ef1c nghi\u1ec7m, <\/span><\/span>m\u00f4 ph\u1ecfng s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t<\/span><\/span><\/a> c\u1ee7a m\u00e1y bay d\u00e2n d\u1ee5ng trong qu\u00e1 tr\u00ecnh n\u00e2ng v\u00e0 h\u1ea1, t\u00e1i t\u1ea1o m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t th\u1ea5p, oxy th\u1ea5p v\u00e0 \u00e1p su\u1ea5t \u0111\u1ed9ng trong khoang h\u00e0ng v\u00e0 \u0111o c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 th\u00e0nh ph\u1ea7n kh\u00f3i, m\u1eadt \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9, th\u00f4ng l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 nhi\u1ec7t v\u00e0 chi\u1ec1u cao n\u1ed5 trong qu\u00e1 tr\u00ecnh m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium.<\/span><\/span><\/p>\n

4 T\u00f3m t\u1eaft<\/span><\/span><\/strong><\/span><\/h1>\n

Khi SOC t\u0103ng, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a, t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng nhi\u1ec7t t\u1ed1i \u0111a, t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng m\u1ea5t \u0111i v\u00e0 t\u1ed5ng l\u01b0\u1ee3ng kh\u00ed ch\u00e1y tho\u00e1t ra trong qu\u00e1 tr\u00ecnh m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium t\u0103ng d\u1ea7n; Khi SOC \u1edf m\u1ee9c kho\u1ea3ng 50%, r\u1ea5t c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 lan truy\u1ec1n m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t gi\u1eefa c\u00e1c pin, g\u00e2y ra r\u1ee7i ro l\u1edbn nh\u1ea5t; Khi SOC th\u1ea5p h\u01a1n 30%, kh\u1ea3 n\u0103ng lan truy\u1ec1n m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t s\u1ebd d\u1eebng l\u1ea1i. Khi v\u1eadn chuy\u1ec3n pin lithium-ion, vi\u1ec7c ki\u1ec3m so\u00e1t m\u1ee9c pin th\u1ea5p h\u01a1n 30% s\u1ebd l\u00e0m gi\u1ea3m m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a c\u00e1c s\u1ef1 c\u1ed1 h\u1ecfa ho\u1ea1n; Nguy c\u01a1 v\u00e0 kh\u00f3 kh\u0103n trong vi\u1ec7c d\u1eadp t\u1eaft c\u00e1c \u0111\u00e1m ch\u00e1y pin lithium-ion cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c \u0111\u00e1m ch\u00e1y h\u00e0ng h\u00f3a th\u00f4ng th\u01b0\u1eddng.<\/span><\/span><\/p>\n

Cho d\u00f9 ch\u00e1y pin lithium-ion x\u1ea3y ra trong khoang h\u00e0ng h\u00f3a, cabin hay bu\u1ed3ng l\u00e1i, ch\u00fang \u0111\u1ec1u s\u1ebd g\u00e2y ra nh\u1eefng tai n\u1ea1n l\u1edbn ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 th\u1ea3m kh\u1ed1c. Do \u0111\u00f3, h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y m\u00e1y bay v\u00e0 h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 n\u00ean ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c ph\u00f2ng ng\u1eeba v\u00e0 ki\u1ec3m so\u00e1t ch\u00e1y pin lithium-ion. Nghi\u00ean c\u1ee9u v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m ch\u00e1y c\u1ee7a pin lithium v\u00e0 c\u00e1c th\u00ed nghi\u1ec7m r\u1ee7i ro c\u1ee7a v\u1eadn t\u1ea3i h\u00e0ng kh\u00f4ng ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng m\u1eb7t \u0111\u1ea5t t\u0129nh v\u00e0 thi\u1ebfu c\u00e1c nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m c\u00f3 li\u00ean quan v\u1ec1 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n bay. M\u00f4i tr\u01b0\u1eddng bay b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00e1y bay kh\u00e1c v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u0129nh tr\u00ean m\u1eb7t \u0111\u1ea5t v\u00e0 nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ea7n s\u1ed1 rung \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn t\u1ea3i h\u00e0ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng \u0111\u1ec1u c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ch\u00e1y pin lithium. Nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m c\u00f3 li\u00ean quan c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh v\u00e0 b\u1ed5 sung th\u00eam.<\/span><\/span><\/p>\n

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

2 Th\u00ed nghi\u1ec7m v\u1ec1 m\u1ed1i nguy hi\u1ec3m th\u1ef1c s\u1ef1 \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a m\u00e1y bay 2.1 Th\u00ed nghi\u1ec7m ch\u00e1y t\u00fai bay \u0111i\u1ec7n t\u1eed trong bu\u1ed3ng l\u00e1i Trong th\u00ed nghi\u1ec7m r\u1ee7i ro v\u1ec1 s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a pin lithium-ion trong bu\u1ed3ng l\u00e1i, m\u1ed9t t\u1ef7 l\u1ec7 thay th\u1ebf kh\u00f4ng kh\u00ed cao \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft<\/p>\n","protected":false},"author":1,"featured_media":19643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19642","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\/19642","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=19642"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19642\/revisions"}],"predecessor-version":[{"id":21950,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19642\/revisions\/21950"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19643"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}