{"id":24290,"date":"2024-05-23T02:17:13","date_gmt":"2024-05-22T19:17:13","guid":{"rendered":"https:\/\/dgbellvietnam.com\/thu-nghiem-nhiet-do-pin-lithium-ion\/"},"modified":"2024-05-23T02:17:13","modified_gmt":"2024-05-22T19:17:13","slug":"thu-nghiem-nhiet-do-pin-lithium-ion","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/thu-nghiem-nhiet-do-pin-lithium-ion\/","title":{"rendered":"Th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 pin Lithium ion"},"content":{"rendered":"
\n

Pin lithium, \u0111\u1eb7c bi\u1ec7t l\u00e0 pin lithium-ion, \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c. M\u1eb7c d\u00f9 pin lithium-ion \u0111\u00e3 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng n\u1ebfu ph\u00e1t sinh v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n, h\u1eadu qu\u1ea3 s\u1ebd r\u1ea5t nghi\u00eam tr\u1ecdng. Pin lithium ban \u0111\u1ea7u s\u1eed d\u1ee5ng lithium kim lo\u1ea1i \u1edf \u0111i\u1ec7n c\u1ef1c \u00e2m, d\u1ec5 b\u1ecb dendrite lithium v\u00e0 th\u1eadm ch\u00ed b\u1ecb \u0103n m\u00f2n trong qu\u00e1 tr\u00ecnh s\u1ea1c. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian chu k\u1ef3 v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a pin, v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch ho\u1eb7c n\u1ed5. B\u1eb1ng c\u00e1ch t\u00ecm ki\u1ebfm t\u00e0i li\u1ec7u b\u1eb1ng s\u00e1ng ch\u1ebf pin lithium tr\u1ef1c tuy\u1ebfn v\u00e0 ph\u00e2n t\u00edch c\u00e1c ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt c\u00f3 li\u00ean quan c\u1ee7a pin lithium theo quan \u0111i\u1ec3m \u0111o l\u01b0\u1eddng, k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch cho th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c pin lithium \u0111\u00e3 cho th\u1ea5y xu h\u01b0\u1edbng t\u0103ng tr\u01b0\u1edfng nhanh ch\u00f3ng trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. B\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 thu \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1eb7c tr\u01b0ng c\u01a1 b\u1ea3n c\u1ee7a pin lithium-ion th\u00f4ng qua th\u1eed nghi\u1ec7m th\u1ef1c nghi\u1ec7m c\u01a1 b\u1ea3n v\u00e0 thi\u1ebft l\u1eadp m\u00f4 h\u00ecnh \u0111i\u1ec7n h\u00f3a c\u1ee7a pin lithium-ion b\u1eb1ng ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng s\u1ed1 Comsol, x\u00e1c minh \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00f4 h\u00ecnh. Tr\u00ean c\u01a1 s\u1edf n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec7n h\u00f3a, c\u00e1c thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p c\u1ee7a pin lithium trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch th\u00f4ng qua m\u00f4 ph\u1ecfng. M\u1ee5c \u0111\u00edch v\u00e0 n\u1ed9i dung nghi\u00ean c\u1ee9u ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y l\u00e0 ph\u00e2n t\u00edch \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m \u0111\u1ebfn hi\u1ec7u su\u1ea5t s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a pin lithium. S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m m\u00f4 h\u00ecnh h\u00f3a Comsol, \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m \u0111\u1ebfn hi\u1ec7u su\u1ea5t s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a pin lithium \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111i\u1ec1u khi\u1ec3n, trong khi gi\u1eef c\u00e1c bi\u1ebfn kh\u00e1c kh\u00f4ng \u0111\u1ed5i. <\/p>\n

1 Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin lithium<\/strong><\/span><\/h1>\n

Khi pin \u0111\u01b0\u1ee3c s\u1ea1c, ion lithium \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 di chuy\u1ec3n qua ch\u1ea5t \u0111i\u1ec7n ph\u00e2n \u0111\u1ebfn \u0111i\u1ec7n c\u1ef1c \u00e2m. C\u1ea5u tr\u00fac do carbon t\u1ea1o th\u00e0nh trong \u0111i\u1ec7n c\u1ef1c \u00e2m c\u00f3 nhi\u1ec1u l\u1ed7 r\u1ed7ng v\u00e0 c\u00e1c ion lithium ti\u1ebfp c\u1eadn \u0111i\u1ec7n c\u1ef1c \u00e2m s\u1ebd \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng nh\u1ecf c\u1ee7a l\u1edbp carbon. Kh\u1ea3 n\u0103ng s\u1ea1c c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan t\u00edch c\u1ef1c v\u1edbi s\u1ed1 l\u01b0\u1ee3ng ion lithium \u0111\u01b0\u1ee3c nh\u00fang. Khi pin \u0111\u01b0\u1ee3c x\u1ea3, c\u00e1c ion lithium \u0111\u01b0\u1ee3c nh\u00fang trong l\u1edbp carbon cat\u1ed1t s\u1ebd tho\u00e1t ra, \u0111i v\u00e0o ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, xuy\u00ean qua m\u00e0ng polyme v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng. Cu\u1ed1i c\u00f9ng, c\u00e0ng nhi\u1ec1u ion lithium tr\u1edf l\u1ea1i \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng th\u00ec kh\u1ea3 n\u0103ng x\u1ea3 c\u00e0ng cao. Tr\u00ean th\u1ef1c t\u1ebf, qu\u00e1 tr\u00ecnh x\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua h\u00e0nh vi kh\u1eed m\u1ef1c v\u00e0 nh\u00fang c\u1ee7a c\u00e1c ion lithium trong v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng l\u01b0\u1ee1ng c\u1ef1c. V\u00ec v\u1eady, dung l\u01b0\u1ee3ng pin th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “dung l\u01b0\u1ee3ng x\u1ea3”. <\/p>\n

2 \u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9<\/a><\/strong><\/span><\/h1>\n

Do \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i \u0111\u1ebfn \u0111\u1eb7c t\u00ednh s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a pin lithium, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t bi\u1ebfn \u0111\u1ec3 quan s\u00e1t \u0111i\u1ec7n \u00e1p x\u1ea3 c\u1ee7a c\u00f9ng m\u1ed9t lo\u1ea1i pin \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 v\u00e0 \u0111o kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3. M\u00f4 h\u00ecnh n\u00e0y \u0111\u00e3 nghi\u00ean c\u1ee9u h\u00ecnh \u1ea3nh \u0111\u01b0\u1eddng cong \u0111i\u1ec7n \u00e1p pin \u1edf 300 K v\u00e0 500 K. \u0110\u1ed1i v\u1edbi hai \u0111\u01b0\u1eddng cong, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i t\u1eeb 300 K \u0111\u1ebfn 500 K v\u00e0 \u0111i\u1ec7n \u00e1p t\u1ea1i \u0111i\u1ec3m cao nh\u1ea5t t\u0103ng g\u1ea7n 0,1 V, trong khi \u0111i\u1ec7n \u00e1p t\u1ea1i \u0111i\u1ec3m th\u1ea5p nh\u1ea5t gi\u1ea3m g\u1ea7n 0,1 V. Quan s\u00e1t v\u00e0 so s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng cong ti\u1ebfp theo cho th\u1ea5y r\u1eb1ng trong giai \u0111o\u1ea1n x\u1ea3 ban \u0111\u1ea7u, \u0111i\u1ec7n \u00e1p c\u1ee7a pin lithium gi\u1ea3m nhanh v\u00e0 \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng cong \u0111i\u1ec7n \u00e1p gi\u1ea3m; V\u00e0o cu\u1ed1i qu\u00e1 tr\u00ecnh x\u1ea3, \u0111\u01b0\u1eddng cong \u0111i\u1ec7n \u00e1p gi\u1ea3m m\u1ea1nh v\u00e0 cu\u1ed1i c\u00f9ng gi\u1ea3m xu\u1ed1ng \u0111i\u1ec7n \u00e1p c\u1eaft. Th\u00f4ng qua ph\u00e2n t\u00edch, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng \u0111\u01b0\u1eddng cong \u0111i\u1ec7n \u00e1p c\u1ee7a qu\u00e1 tr\u00ecnh x\u1ea3 pin tr\u1ea3i qua nh\u1eefng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. Trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n kh\u00e1c, khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m, \u0111i\u1ec7n \u00e1p x\u1ea3 ban \u0111\u1ea7u gi\u1ea3m v\u00e0 th\u1eddi gian x\u1ea3 ng\u1eafn l\u1ea1i. Do \u0111\u00f3, \u0111i\u1ec7n \u00e1p gi\u1ea3m m\u1ea1nh trong giai \u0111o\u1ea1n x\u1ea3 ban \u0111\u1ea7u, sau \u0111\u00f3 gi\u1ea3m ch\u1eadm v\u00e0 do \u0111i\u1ec7n tr\u1edf trong t\u0103ng, nhi\u1ec7t \u0111\u1ed9 b\u00ean trong t\u0103ng theo qu\u00e1 tr\u00ecnh x\u1ea3, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 d\u1eabn ion c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n t\u0103ng. Khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh x\u1ea3, \u0111i\u1ec7n \u00e1p gi\u1ea3m m\u1ea1nh v\u00ec n\u1ed3ng \u0111\u1ed9 ch\u1ea5t ph\u1ea3n \u1ee9ng \u00e2m gi\u1ea3m v\u00e0 l\u01b0\u1ee3ng ion lithium nh\u00fang trong c\u1ea5u tr\u00fac \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng t\u0103ng l\u00ean, d\u1eabn \u0111\u1ebfn ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac. Khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng gi\u1ea3m, t\u1ed1c \u0111\u1ed9 gi\u1ea3m \u0111i\u1ec7n \u00e1p t\u0103ng. Khi pin lithium \u0111\u01b0\u1ee3c x\u1ea3, c\u00e1c ion lithium \u0111\u01b0\u1ee3c nh\u00fang trong cat\u1ed1t. C\u00e0ng nhi\u1ec1u ion lithium \u0111\u01b0\u1ee3c nh\u00fang, c\u00e0ng nhi\u1ec1u \u0111i\u1ec7n t\u00edch \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e0 \u0111i\u1ec7n \u00e1p s\u1ebd gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, trong qu\u00e1 tr\u00ecnh s\u1ea1c, c\u00e0ng nhi\u1ec1u ion lithium \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf kh\u1ecfi anot, c\u00e0ng nhi\u1ec1u \u0111i\u1ec7n t\u00edch \u0111\u01b0\u1ee3c t\u00edch v\u00e0 \u0111i\u1ec7n \u00e1p s\u1ebd t\u0103ng t\u01b0\u01a1ng \u1ee9ng. Tuy nhi\u00ean, khi nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp t\u1ee5c gi\u1ea3m v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n ti\u1ebfp t\u1ee5c t\u0103ng, qu\u00e1 tr\u00ecnh di chuy\u1ec3n ion lithium s\u1ebd tr\u1edf n\u00ean r\u1ea5t kh\u00f3 kh\u0103n, d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng di chuy\u1ec3n gi\u1ea3m d\u1ea7n. <\/p>\n

3 \u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u00edch th\u01b0\u1edbc b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m<\/strong><\/span><\/h1>\n

\u1ede m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, c\u00f3 th\u1ec3 th\u1ea5y t\u1eeb nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n \u00e1p pin v\u00e0 m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n pin \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1eb1ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 300 K, \u0111i\u1ec3m chung c\u1ee7a pin lithium-ion nh\u01b0 sau: \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng cong \u0111i\u1ec7n \u00e1p cao trong giai \u0111o\u1ea1n x\u1ea3 ban \u0111\u1ea7u v\u00e0 \u0111\u1ed9 d\u1ed1c thay \u0111\u1ed5i ch\u1eadm. Cu\u1ed1i c\u00f9ng, n\u00f3 gi\u1ea3m xu\u1ed1ng \u0111i\u1ec7n \u00e1p c\u1eaft \u1edf t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh v\u00e0 sau \u0111\u00f3 \u0111\u1ed9t ng\u1ed9t thay \u0111\u1ed5i. Khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh x\u1ea3, \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111i\u1ec7n \u00e1p gi\u1ea3m \u0111\u1ea7u ti\u00ean t\u0103ng l\u00ean r\u1ed3i gi\u1ea3m xu\u1ed1ng. Trong qu\u00e1 tr\u00ecnh x\u1ea3, c\u00e1c ion lithium \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o \u0111i\u1ec7n c\u1ef1c \u00e2m, gi\u1ea3i ph\u00f3ng nhi\u1ec1u \u0111i\u1ec7n t\u00edch h\u01a1n v\u00e0 l\u00e0m gi\u1ea3m \u0111i\u1ec7n \u00e1p. Ng\u01b0\u1ee3c l\u1ea1i, khi s\u1ea1c, c\u00e1c ion lithium d\u01b0\u01a1ng \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o, khi\u1ebfn nhi\u1ec1u \u0111i\u1ec7n t\u00edch h\u01a1n t\u0103ng \u0111\u1ed9t bi\u1ebfn, d\u1eabn \u0111\u1ebfn t\u0103ng \u0111i\u1ec7n \u00e1p. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u1ec1 c\u00e1c b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m kh\u00e1c nhau, c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng khi b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m gi\u1ea3m, khi m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 pin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u1ed1ng nhau v\u00e0 g\u1ea7n b\u1eb1ng kh\u00f4ng, b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m c\u00e0ng nh\u1ecf, \u0111i\u1ec7n \u00e1p pin c\u00e0ng th\u1ea5p v\u00e0 \u1ee9ng su\u1ea5t b\u00ean trong pin c\u00e0ng nh\u1ecf. Do \u0111\u00f3, tu\u1ed5i th\u1ecd pin d\u00e0i h\u01a1n so v\u1edbi pin c\u00f3 c\u00e1c h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m l\u1edbn h\u01a1n. <\/p>\n

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

B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m m\u00f4 h\u00ecnh h\u00f3a ph\u00f9 h\u1ee3p, hi\u1ec7u su\u1ea5t s\u1ea1c v\u00e0 x\u1ea3 pin lithium-ion c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u chi ti\u1ebft v\u00e0 ch\u00ednh x\u00e1c t\u1eeb v\u0129 m\u00f4 \u0111\u1ebfn vi m\u00f4, t\u1eeb th\u00ed nghi\u1ec7m \u0111\u1ebfn m\u00f4 h\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y b\u1eaft \u0111\u1ea7u b\u1eb1ng ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a c\u1ee7a pin lithium-ion v\u00e0 r\u00fat ra nh\u1eefng k\u1ebft lu\u1eadn sau: (1) Nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ho\u1ea1t ch\u1ea5t b\u00ean trong v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n trong pin lithium-ion, do \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i hi\u1ec7u qu\u1ea3 s\u1ea1c v\u00e0 x\u1ea3. (2) K\u00edch th\u01b0\u1edbc b\u00e1n k\u00ednh h\u1ea1t \u0111i\u1ec7n c\u1ef1c \u00e2m s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u00e1ch li\u00ean k\u1ebft gi\u1eefa c\u00e1c h\u1ea1t v\u00e0 \u0111i\u1ec7n c\u1ef1c \u00e2m, \u1ea3nh h\u01b0\u1edfng th\u00eam \u0111\u1ebfn hi\u1ec7u qu\u1ea3 d\u1eabn \u0111i\u1ec7n v\u00e0 cu\u1ed1i c\u00f9ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 s\u1ea1c v\u00e0 x\u1ea3. <\/p>\n

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

Pin lithium, \u0111\u1eb7c bi\u1ec7t l\u00e0 pin lithium-ion, \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c. M\u1eb7c d\u00f9 pin lithium-ion \u0111\u00e3 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng n\u1ebfu ph\u00e1t sinh v\u1ea5n \u0111\u1ec1 v\u1ec1 an to\u00e0n, h\u1eadu qu\u1ea3 s\u1ebd r\u1ea5t nghi\u00eam tr\u1ecdng. Pin lithium ban \u0111\u1ea7u s\u1eed d\u1ee5ng lithium kim<\/p>\n","protected":false},"author":1,"featured_media":21002,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-24290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-test-chambers-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/24290","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=24290"}],"version-history":[{"count":0,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/24290\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/21002"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=24290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=24290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=24290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}