{"id":19652,"date":"2023-09-28T01:15:17","date_gmt":"2023-09-28T01:15:17","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-ion-battery-cell-temperature-test\/"},"modified":"2024-10-21T16:31:04","modified_gmt":"2024-10-21T09:31:04","slug":"lithium-ion-battery-cell-temperature-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-ion-battery-cell-temperature-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cell pin Lithium-ion"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pin lithium ion \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec n\u0103ng l\u01b0\u1ee3ng ri\u00eang cao, \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c cao, t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 th\u1ea5p v\u00e0 tu\u1ed5i th\u1ecd d\u00e0i. Cho d\u00f9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed hay l\u00e0m ngu\u1ed3n \u0111i\u1ec7n l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng cho v\u1ec7 tinh, t\u1ea5t c\u1ea3 \u0111\u1ec1u g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 v\u1ec1 l\u01b0u tr\u1eef pin trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. Do t\u1ef1 x\u1ea3 trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef, pin lithium-ion s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a pin.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Hi\u1ec7u su\u1ea5t l\u01b0u tr\u1eef c\u1ee7a pin li\u00ean quan \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 tr\u1ea1ng th\u00e1i s\u1ea1c (SOC), th\u1eddi gian l\u01b0u tr\u1eef v\u00e0 nhi\u1ec7t \u0111\u1ed9 l\u01b0u tr\u1eef. Theo c\u00e1c b\u00e1o c\u00e1o t\u00e0i li\u1ec7u, vi\u1ec7c l\u01b0u tr\u1eef pin \u1edf \u0111i\u1ec7n \u00e1p m\u1ea1ch h\u1edf 3,8-3,9V c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 tuy\u1ec7t v\u1eddi, nh\u01b0ng nhi\u1ec7t \u0111\u1ed9 l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u l\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 th\u1eddi gian l\u01b0u tr\u1eef ch\u1ec9 l\u00e0 3 th\u00e1ng. B\u00e0i vi\u1ebft n\u00e0y nghi\u00ean c\u1ee9u hi\u1ec7u su\u1ea5t c\u1ee7a pin lithium-ion \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf hai tr\u1ea1ng th\u00e1i s\u1ea1c v\u00e0 nhi\u1ec7t \u0111\u1ed9 l\u01b0u tr\u1eef kh\u00e1c nhau, cung c\u1ea5p t\u00e0i li\u1ec7u tham kh\u1ea3o l\u00fd thuy\u1ebft v\u1ec1 c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef c\u1ee7a pin lithium-ion.<\/span><\/span><\/p>\n<h1><span id=\"1_Test\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1 Th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/span><\/h1>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">X\u1ea3 pin th\u1eed nghi\u1ec7m xu\u1ed1ng 2,75V, sau \u0111\u00f3 s\u1ea1c pin \u0111\u1ebfn c\u00e1c tr\u1ea1ng th\u00e1i s\u1ea1c kh\u00e1c nhau (50% v\u00e0 80%) v\u00e0 b\u1ea3o qu\u1ea3n \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. Pin \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng 6 th\u00e1ng m\u1ed9t l\u1ea7n trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n. N\u0103m pin m\u1eabu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c th\u00ed nghi\u1ec7m song song trong m\u1ed7i \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m v\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c t\u00ednh trung b\u00ecnh. S\u1eed d\u1ee5ng <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/environmental-chamber\/temperature-humidity-test-chamber\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">bu\u1ed3ng th\u1eed nghi\u1ec7m pin<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c \u0111\u1ec3 ki\u1ec3m tra dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i, t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t chu k\u1ef3 c\u1ee7a pin.<\/span><\/span><\/p>\n<h1><span id=\"2_Test_results\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2 K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/span><\/h1>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">B\u1ea3o qu\u1ea3n pin c\u00f3 m\u1ee9c s\u1ea1c 50% v\u00e0 80% \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau trong 18 th\u00e1ng.<\/span><\/span><\/p>\n<h2><span id=\"21_Recoverable_capacity\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.1 Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i<\/span><\/span><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Qua th\u1eed nghi\u1ec7m, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u1ea3 50% SOC v\u00e0 80% SOC c\u1ee7a pin \u0111\u1ec1u gi\u1ea3m dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i khi k\u00e9o d\u00e0i th\u1eddi gian l\u01b0u tr\u1eef; V\u00e0 \u1edf c\u00f9ng nhi\u1ec7t \u0111\u1ed9, ch\u00eanh l\u1ec7ch gi\u1eefa dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 hai v\u00e0 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 nh\u1ea5t ph\u1ea3i nh\u1ecf h\u01a1n ch\u00eanh l\u1ec7ch gi\u1eefa dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 nh\u1ea5t v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a pin tr\u01b0\u1edbc khi l\u01b0u tr\u1eef; Ch\u00eanh l\u1ec7ch gi\u1eefa dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 ba v\u00e0 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 hai ph\u1ea3i nh\u1ecf h\u01a1n ch\u00eanh l\u1ec7ch gi\u1eefa dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 hai v\u00e0 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin th\u1eddi k\u1ef3 l\u01b0u tr\u1eef th\u1ee9 nh\u1ea5t.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng t\u1ed5n th\u1ea5t dung l\u01b0\u1ee3ng kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u v\u00e0 gi\u1ea3m d\u1ea7n \u1edf giai \u0111o\u1ea1n sau. Pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf 10, 0 v\u00e0 -10 \u2103, v\u1edbi pin SOC 50% c\u00f3 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i tr\u00ean 98% v\u00e0 pin SOC 80% c\u00f3 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i tr\u00ean 97%; Trong c\u00f9ng m\u1ed9t tr\u1ea1ng th\u00e1i s\u1ea1c, khi \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf 0 v\u00e0 -10 \u2103, dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 nh\u01b0 nhau, cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi l\u01b0u tr\u1eef \u1edf 10 \u2103. D\u1ef1a tr\u00ean ph\u00e2n t\u00edch tr\u00ean, c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng khi pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf 0 v\u00e0 -10 \u2103, pin SOC 50% c\u00f3 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i cao h\u01a1n, c\u1ea3 hai \u0111\u1ec1u tr\u00ean 98%.<\/span><\/span><\/p>\n<h2><span id=\"22_Battery_self_discharge_rate\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.2 T\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 c\u1ee7a pin<\/span><\/span><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Kh\u1ea3 n\u0103ng t\u1ef1 x\u1ea3 c\u1ee7a pin gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u v\u00e0 gi\u1ea3m \u1edf giai \u0111o\u1ea1n sau khi th\u1eddi gian l\u01b0u tr\u1eef k\u00e9o d\u00e0i. T\u1eeb H\u00ecnh 3 v\u00e0 H\u00ecnh 4, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 c\u1ee7a pin cao \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u, nh\u01b0ng gi\u1ea3m v\u00e0 c\u00f3 xu h\u01b0\u1edbng \u1ed5n \u0111\u1ecbnh \u1edf giai \u0111o\u1ea1n sau. B\u1ea5t k\u1ec3 tr\u1ea1ng th\u00e1i s\u1ea1c c\u1ee7a pin, t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 c\u1ee7a pin \u0111\u1ec1u d\u01b0\u1edbi 8% v\u00e0 khi th\u1eddi gian l\u01b0u tr\u1eef t\u0103ng l\u00ean, t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 c\u1ee7a pin g\u1ea7n nh\u01b0 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 2%, cho th\u1ea5y t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 c\u1ee7a pin gi\u1ea3m \u0111\u00e1ng k\u1ec3 sau 12 th\u00e1ng l\u01b0u tr\u1eef.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Trong c\u00f9ng tr\u1ea1ng th\u00e1i s\u1ea1c, t\u1ed1c \u0111\u1ed9 t\u1ef1 x\u1ea3 c\u1ee7a pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf 0 v\u00e0 -10 \u2103 th\u1ea5p h\u01a1n t\u1ed1c \u0111\u1ed9 l\u01b0u tr\u1eef \u1edf 10 \u2103. \u0110i\u1ec1u n\u00e0y l\u00e0 do t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ph\u1ee5 c\u1ee7a pin s\u1ebd t\u0103ng l\u00ean khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ef1 x\u1ea3 c\u0169ng s\u1ebd t\u0103ng theo nhi\u1ec7t \u0111\u1ed9 t\u0103ng. Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng th\u1ea5p s\u1ebd \u1ee9c ch\u1ebf ph\u1ea3n \u1ee9ng ph\u1ee5 c\u1ee7a pin, do \u0111\u00f3 l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 t\u1ef1 x\u1ea3. Do \u0111\u00f3, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef pin c\u00f3 l\u1ee3i h\u01a1n cho vi\u1ec7c l\u01b0u tr\u1eef pin.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Qua so s\u00e1nh d\u1eef li\u1ec7u, th\u1ea5y r\u1eb1ng \u1edf c\u00f9ng nhi\u1ec7t \u0111\u1ed9, t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 c\u1ee7a pin SOC 50% th\u1ea5p h\u01a1n pin SOC 80%, cho th\u1ea5y pin SOC 50% c\u00f3 kh\u1ea3 n\u0103ng duy tr\u00ec hi\u1ec7u su\u1ea5t pin cao h\u01a1n. T\u00f3m l\u1ea1i, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng pin SOC 50% c\u00f3 l\u1ee3i h\u01a1n cho vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t pin trong \u0111i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n 0 v\u00e0 -10 \u2103.<\/span><\/span><\/p>\n<h2><span id=\"23_Battery_cycling_performance_after_storage\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.3 Hi\u1ec7u su\u1ea5t chu k\u1ef3 pin sau khi l\u01b0u tr\u1eef<\/span><\/span><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ki\u1ec3m tra hi\u1ec7u su\u1ea5t chu k\u1ef3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong 18 th\u00e1ng. H\u1ec7 th\u1ed1ng s\u1ea1c v\u00e0 x\u1ea3 chu k\u1ef3 pin nh\u01b0 sau: S\u1ea1c d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 0,5C \u0111\u1ebfn 4,1V, s\u1ea1c \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n gi\u1ea3m xu\u1ed1ng 0,01C v\u00e0 sau khi \u0111\u1ee9ng y\u00ean, x\u1ea3 0,5C \u0111\u1ebfn 2,75V.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Xu h\u01b0\u1edbng suy gi\u1ea3m dung l\u01b0\u1ee3ng c\u1ee7a pin kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u1ec1 c\u01a1 b\u1ea3n gi\u1ed1ng v\u1edbi pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef. Sau 400 chu k\u1ef3, t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng c\u1ee7a pin m\u1edbi, pin SOC 50% v\u00e0 pin SOC 80% l\u1ea7n l\u01b0\u1ee3t l\u00e0 90,1%, 89,0% v\u00e0 86,3%. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng dung l\u01b0\u1ee3ng c\u1ee7a pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u00e3 gi\u1ea3m so v\u1edbi pin kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 t\u1ef7 l\u1ec7 duy tr\u00ec dung l\u01b0\u1ee3ng c\u1ee7a pin SOC 50% cao h\u01a1n pin SOC 80%.<\/span><\/span><\/p>\n<h1><span id=\"3_Conclusion\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3 K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">B\u1eb1ng c\u00e1ch th\u1eed nghi\u1ec7m dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ef1 x\u1ea3 c\u1ee7a pin lithium-ion trong c\u00e1c tr\u1ea1ng th\u00e1i s\u1ea1c v\u00e0 nhi\u1ec7t \u0111\u1ed9 l\u01b0u tr\u1eef kh\u00e1c nhau, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng nhi\u1ec7t \u0111\u1ed9 l\u01b0u tr\u1eef v\u00e0 tr\u1ea1ng th\u00e1i s\u1ea1c l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a pin. Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef c\u00e0ng cao, tr\u1ea1ng th\u00e1i s\u1ea1c c\u00e0ng cao, dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i c\u1ee7a pin c\u00e0ng nh\u1ecf v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ef1 x\u1ea3 c\u1ee7a pin c\u00e0ng cao; S\u1ef1 suy gi\u1ea3m dung l\u01b0\u1ee3ng c\u1ee7a pin trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef ch\u1ee7 y\u1ebfu x\u1ea3y ra trong 6 th\u00e1ng \u0111\u1ea7u ti\u00ean v\u00e0 sau \u0111\u00f3, s\u1ef1 suy gi\u1ea3m dung l\u01b0\u1ee3ng theo th\u1eddi gian l\u01b0u tr\u1eef l\u00e0 t\u1ed1i thi\u1ec3u. Pin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf 50% SOC v\u00e0 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf 0 v\u00e0 -10 \u2103, duy tr\u00ec hi\u1ec7u su\u1ea5t t\u1ed1t. Do \u0111\u00f3, khi pin lithium-ion y\u00eau c\u1ea7u l\u01b0u tr\u1eef l\u00e2u d\u00e0i, ch\u00fang n\u00ean \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf tr\u1ea1ng th\u00e1i b\u00e1n s\u1ea1c v\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/span><\/span><\/p>\n<div class=\"blog-share text-center\">\n<div class=\"is-divider medium\"><\/div>\n<div class=\"social-icons share-icons share-row relative\"><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pin lithium ion \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec n\u0103ng l\u01b0\u1ee3ng ri\u00eang cao, \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c cao, t\u1ef7 l\u1ec7 t\u1ef1 x\u1ea3 th\u1ea5p v\u00e0 tu\u1ed5i th\u1ecd d\u00e0i. Cho d\u00f9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed hay l\u00e0m ngu\u1ed3n \u0111i\u1ec7n l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng cho v\u1ec7 tinh, t\u1ea5t c\u1ea3 \u0111\u1ec1u<\/p>\n","protected":false},"author":1,"featured_media":19653,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19652","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\/19652","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=19652"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19652\/revisions"}],"predecessor-version":[{"id":21955,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19652\/revisions\/21955"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19653"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}