{"id":117785,"date":"2022-07-22T10:17:18","date_gmt":"2022-07-22T02:17:18","guid":{"rendered":"https:\/\/www.alpapowder.com\/117785\/"},"modified":"2022-07-19T10:22:21","modified_gmt":"2022-07-19T02:22:21","slug":"sac-nhanh-dang-tro-thanh-mot-xu-huong-trong-nganh-gioi-thieu-nam-loai-vat-lieu-cuc-duong-sac-nhanh","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117785\/","title":{"rendered":"S\u1ea1c nhanh \u0111ang tr\u1edf th\u00e0nh m\u1ed9t xu h\u01b0\u1edbng trong ng\u00e0nh, gi\u1edbi thi\u1ec7u n\u0103m lo\u1ea1i v\u1eadt li\u1ec7u c\u1ef1c d\u01b0\u01a1ng s\u1ea1c nhanh"},"content":{"rendered":"
<\/p>\n
V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 pin n\u0103ng l\u01b0\u1ee3ng, ph\u1ea1m vi bay c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1edbi \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3, v\u00e0 v\u1ea5n \u0111\u1ec1 lo l\u1eafng v\u1ec1 tu\u1ed5i th\u1ecd pin \u0111\u00e3 d\u1ea7n \u0111\u01b0\u1ee3c xoa d\u1ecbu. Ngo\u00e0i th\u1eddi l\u01b0\u1ee3ng pin, lo l\u1eafng v\u1ec1 vi\u1ec7c s\u1ea1c pin l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c m\u00e0 c\u00e1c lo\u1ea1i xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi c\u1ea7n ph\u1ea3i \u0111\u1ed1i m\u1eb7t. M\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 s\u1ea1c \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m xe.<\/p>\n
R\u00fat ng\u1eafn th\u1eddi gian s\u1ea1c l\u00e0 m\u1ed9t trong nh\u1eefng ch\u00eca kh\u00f3a \u0111\u1ec3 n\u00e2ng cao s\u1ee9c m\u1ea1nh th\u01b0\u01a1ng hi\u1ec7u v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng c\u1ee7a xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi. M\u1ed9t s\u1ed1 nh\u00e0 ph\u00e2n t\u00edch cho r\u1eb1ng v\u1edbi s\u1ef1 gia t\u0103ng nhanh ch\u00f3ng v\u1ec1 t\u1ef7 l\u1ec7 th\u00e2m nh\u1eadp c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1edbi, s\u1ef1 c\u1ea1nh tranh c\u1ee7a c\u00e1c c\u00f4ng ty \u00f4 t\u00f4 s\u1ebd ng\u00e0y c\u00e0ng s\u00e2u s\u1eafc v\u00e0 \u0111a d\u1ea1ng h\u01a1n, v\u00e0 s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea1c nhanh v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 b\u1ed5 sung n\u0103ng l\u01b0\u1ee3ng c\u0169ng tr\u1edf th\u00e0nh l\u1ed1i tho\u00e1t ti\u1ebfp theo c\u1ee7a chu\u1ed7i c\u00f4ng nghi\u1ec7p xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi.<\/p>\n
1. S\u1ea1c nhanh l\u00e0 g\u00ec?<\/p>\n
Vi\u1ec7c s\u1ea1c c\u00e1c lo\u1ea1i xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi \u0111\u01b0\u1ee3c chia th\u00e0nh s\u1ea1c ch\u1eadm AC v\u00e0 s\u1ea1c nhanh DC. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c “s\u1ea1c nhanh”, c\u1ea7n ph\u1ea3i d\u1ef1a v\u00e0o s\u1ea1c nhanh DC. Ch\u1ec9 s\u1ed1 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 s\u1ea1c l\u00e0 c\u00f4ng su\u1ea5t s\u1ea1c. Kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u1ec1 vi\u1ec7c s\u1ea1c c\u00f4ng su\u1ea5t l\u1edbn trong ng\u00e0nh, \u0111\u00e2y l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef r\u1ed9ng c\u1ee7a ng\u00e0nh. N\u00f3i chung, c\u00f4ng su\u1ea5t s\u1ea1c tr\u00ean 125kW l\u00e0 c\u00f4ng su\u1ea5t cao.<\/p>\n
Ngu\u1ed3n pin s\u1ea1c nhanh l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng s\u1ea1c c\u00f4ng su\u1ea5t cao. C\u00e1c b\u1ed9 pin ngu\u1ed3n d\u1eabn \u0111\u1ea7u th\u1ecb tr\u01b0\u1eddng \u0111\u00e3 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 s\u1ea1c 2C (t\u1ed1c \u0111\u1ed9 s\u1ea1c l\u00e0 th\u01b0\u1edbc \u0111o t\u1ed1c \u0111\u1ed9 s\u1ea1c, t\u1ed1c \u0111\u1ed9 s\u1ea1c = d\u00f2ng s\u1ea1c \/ dung l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c c\u1ee7a pin). N\u00f3i chung, s\u1ea1c 1C c\u00f3 th\u1ec3 s\u1ea1c \u0111\u1ea7y h\u1ec7 th\u1ed1ng pin trong 60 ph\u00fat, v\u00e0 4C c\u00f3 ngh\u0129a l\u00e0 pin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea1c \u0111\u1ea7y trong 15 ph\u00fat. T\u1ed1c \u0111\u1ed9 s\u1ea1c-x\u1ea3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng kh\u1eed n\u1ed3ng \u0111\u1ed9 lithium c\u1ee7a t\u1ebf b\u00e0o pin, v\u00e0 n\u00f3 c\u0169ng \u0111i k\u00e8m v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 sinh nhi\u1ec7t kh\u00e1c nhau ho\u1eb7c s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a lithium. T\u1ef7 l\u1ec7 n\u00e0y c\u00e0ng cao, s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 sinh nhi\u1ec7t c\u1ee7a liti c\u00e0ng nghi\u00eam tr\u1ecdng.<\/p>\n
2. \u0110i\u1ec7n c\u1ef1c \u00e2m l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh pin s\u1ea1c nhanh<\/p>\n
Pin s\u1ea1c nhanh c\u1ea7n \u0111\u01b0\u1ee3c thay \u0111\u1ed5i v\u00e0 n\u00e2ng c\u1ea5p ch\u1ea5t li\u1ec7u pin \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t s\u1ea1c nhanh c\u1ee7a pin, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng th\u00f9ng. B\u1ea3ng ng\u1eafn l\u00e0 \u0111i\u1ec7n c\u1ef1c \u00e2m, l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 s\u1ea1c pin.<\/p>\n
\u0110i\u1ec7n c\u1ef1c \u00e2m c\u00f3 t\u00e1c \u0111\u1ed9ng s\u1ea1c nhanh h\u01a1n \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng. M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng s\u1ef1 suy gi\u1ea3m c\u1ee7a c\u1ef1c \u00e2m v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u00e0ng CEI \u1edf c\u1ef1c \u00e2m kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng s\u1ea1c nhanh c\u1ee7a pin Li-ion th\u00f4ng th\u01b0\u1eddng. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 l\u1eafng \u0111\u1ecdng v\u00e0 c\u1ea5u tr\u00fac l\u1eafng \u0111\u1ecdng c\u1ee7a liti (k\u1ebft t\u1ee7a liti) bao g\u1ed3m: \u2460 t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n c\u1ee7a c\u00e1c ion liti trong c\u1ef1c d\u01b0\u01a1ng; \u2461 gradien n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n t\u1ea1i m\u1eb7t ph\u00e2n c\u00e1ch c\u1ef1c d\u01b0\u01a1ng; v\u00e0 \u2462 ph\u1ea3n \u1ee9ng ph\u1ee5 \u1edf b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c \/ ch\u1ea5t \u0111i\u1ec7n ph\u00e2n.<\/p>\n
3. V\u1eadt li\u1ec7u l\u00e0m \u0111i\u1ec7n c\u1ef1c \u00e2m \u0111\u1ec3 s\u1ea1c nhanh l\u00e0 g\u00ec?<\/p>\n
V\u1eadt li\u1ec7u than ch\u00ec<\/p>\n