{"id":4551,"date":"2026-02-04T11:34:40","date_gmt":"2026-02-04T03:34:40","guid":{"rendered":"https:\/\/www.superfinemill.com\/?p=4551"},"modified":"2026-02-04T11:34:43","modified_gmt":"2026-02-04T03:34:43","slug":"how-to-prevent-metal-contamination-during-the-anode-ultrafine-milling-process","status":"publish","type":"post","link":"https:\/\/www.superfinemill.com\/vi\/how-to-prevent-metal-contamination-during-the-anode-ultrafine-milling-process\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m kim lo\u1ea1i trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn c\u1ef1c d\u01b0\u01a1ng?"},"content":{"rendered":"<p>Trong s\u1ea3n xu\u1ea5t pin lithium-ion, <a href=\"https:\/\/www.superfinemill.com\/vi\/\">qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn anot<\/a> \u0110\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec7n c\u1ef1c anot b\u1eb1ng than ch\u00ec t\u1ef1 nhi\u00ean ho\u1eb7c nh\u00e2n t\u1ea1o (v\u00e0 ng\u00e0y c\u00e0ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u composite g\u1ed1c silicon ho\u1eb7c silicon-carbon). M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc h\u1ea1t th\u01b0\u1eddng n\u1eb1m trong ph\u1ea1m vi d\u01b0\u1edbi micromet \u0111\u1ebfn v\u00e0i micromet (v\u00ed d\u1ee5: D50 t\u1eeb 5\u201315 \u03bcm ho\u1eb7c nh\u1ecf h\u01a1n \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u0111i\u1ec7n c\u1ef1c anot ti\u00ean ti\u1ebfn), v\u1edbi ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p, \u0111\u1ed9 c\u1ea7u cao (\u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh c\u1ea7u h\u00f3a than ch\u00ec t\u1ef1 nhi\u00ean), v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang t\u1ed1i \u0111a \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh gi\u1ea3m k\u00edch th\u01b0\u1edbc b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng cao n\u00e0y ti\u1ec1m \u1ea9n nguy c\u01a1 \u00f4 nhi\u1ec5m kim lo\u1ea1i \u0111\u00e1ng k\u1ec3 \u2014 ch\u1ee7 y\u1ebfu l\u00e0 s\u1eaft (Fe), nh\u01b0ng c\u0169ng bao g\u1ed3m crom (Cr), niken (Ni), \u0111\u1ed3ng (Cu), nh\u00f4m (Al) v\u00e0 c\u00e1c kim lo\u1ea1i kh\u00e1c. Ngay c\u1ea3 \u1edf n\u1ed3ng \u0111\u1ed9 r\u1ea5t nh\u1ecf (th\u01b0\u1eddng y\u00eau c\u1ea7u &lt;10\u201350 ppm \u0111\u1ed1i v\u1edbi Fe trong c\u00e1c v\u1eadt li\u1ec7u cao c\u1ea5p d\u00f9ng cho pin) c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn \u0111\u1ed9 an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd chu k\u1ef3 c\u1ee7a pin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c h\u1ea1t kim lo\u1ea1i \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t x\u00fac t\u00e1c \u2192 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh l\u1edbp SEI v\u00e0 ph\u00e2n h\u1ee7y ch\u1ea5t \u0111i\u1ec7n gi\u1ea3i.<\/li>\n\n\n\n<li>Ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch nh\u1ecf, h\u00ecnh th\u00e0nh c\u00e1c nh\u00e1nh tinh th\u1ec3 lithium ho\u1eb7c k\u00edch ho\u1ea1t hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t.<\/li>\n\n\n\n<li>\u0110\u1eb7c bi\u1ec7t, s\u1ef1 nhi\u1ec5m b\u1ea9n s\u1eaft ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi lithi v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t Coulomb.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Epic-Jet-Mill-MQW.webp\" alt=\"Epic Jet Mill MQW\" class=\"wp-image-4434\" srcset=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Epic-Jet-Mill-MQW.webp 800w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Epic-Jet-Mill-MQW-300x169.webp 300w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Epic-Jet-Mill-MQW-768x432.webp 768w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Epic-Jet-Mill-MQW-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Epic Jet Mill MQW<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c ngu\u1ed3n g\u00e2y \u00f4 nhi\u1ec5m kim lo\u1ea1i ch\u00ednh trong <a href=\"https:\/\/www.superfinemill.com\/vi\/products\/\">Nghi\u1ec1n si\u00eau m\u1ecbn<\/a><\/h3>\n\n\n\n<p>Nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y \u00f4 nhi\u1ec5m l\u00e0 do s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n, l\u1edbp l\u00f3t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ph\u00e2n lo\u1ea1i trong qu\u00e1 tr\u00ecnh nghi\u1ec1n c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n\n\n\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n si\u00eau m\u1ecbn ph\u1ed5 bi\u1ebfn cho c\u1ef1c d\u01b0\u01a1ng pin bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u1ed1i di\u1ec7n t\u1ea7ng s\u00f4i<\/strong> (Lo\u1ea1i AFG) \u2192 chi\u1ebfm \u01b0u th\u1ebf \u0111\u1ed1i v\u1edbi than ch\u00ec nh\u1ea1y c\u1ea3m v\u1edbi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc<\/strong> v\u1edbi b\u1ed9 ph\u00e2n lo\u1ea1i (v\u00ed d\u1ee5: ki\u1ec3u ACM v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho pin).<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n bi \/ M\u00e1y nghi\u1ec1n bi khu\u1ea5y<\/strong> (Nghi\u1ec1n si\u00eau m\u1ecbn \u01b0\u1edbt, d\u00f9ng cho v\u1eadt li\u1ec7u composite silicon-graphit ho\u1eb7c ph\u00e2n t\u00e1n tr\u01b0\u1edbc khi ph\u1ee7).<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n bi h\u00e0nh tinh \/ m\u00e1y nghi\u1ec1n bi khu\u1ea5y<\/strong> (\u00cdt ph\u1ed5 bi\u1ebfn h\u01a1n \u0111\u1ed1i v\u1edbi c\u1ef1c d\u01b0\u01a1ng cu\u1ed1i c\u00f9ng do nguy c\u01a1 nhi\u1ec5m b\u1ea9n cao h\u01a1n).<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c ngu\u1ed3n g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>S\u1ef1 m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u m\u00e0i<\/strong> (h\u1ea1t c\u01b0\u1eddm, qu\u1ea3 b\u00f3ng).<\/li>\n\n\n\n<li><strong>m\u00e0i m\u00f2n th\u00e2n m\u00e1y nghi\u1ec1n \/ l\u1edbp l\u00f3t \/ v\u00f2i phun \/ b\u00e1nh xe ph\u00e2n lo\u1ea1i<\/strong>.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng c\u1ea5p li\u1ec7u\/v\u1eadn chuy\u1ec3n, hi\u1ec7n t\u01b0\u1ee3ng bong tr\u00f3c h\u1ea1t kim lo\u1ea1i<\/strong>.<\/li>\n\n\n\n<li><strong>C\u00e1c h\u1ea1t b\u1ee5i trong kh\u00f4ng kh\u00ed\/kh\u00ed<\/strong> (n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc \u0111\u00fang c\u00e1ch).<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c chi\u1ebfn l\u01b0\u1ee3c ch\u00ednh \u0111\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m kim lo\u1ea1i<\/h3>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft c\u1ea5p \u0111\u1ed9 pin, ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111a t\u1ea7ng k\u1ebft h\u1ee3p l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh v\u00e0 x\u1eed l\u00fd sau s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. Ch\u1ecdn v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac phi kim lo\u1ea1i \/ \u00edt m\u00e0i m\u00f2n<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Th\u00e0nh ph\u1ea7n<\/th><th>V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th><th>M\u1ee5c \u0111\u00edch \/ L\u1ee3i \u00edch<\/th><th>Gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead><tbody><tr><td>L\u1edbp l\u00f3t bu\u1ed3ng nghi\u1ec1n<\/td><td>G\u1ed1m s\u1ee9 (Al\u2082O\u2083, ZrO\u2082, SiC, Si\u2083N\u2084)<\/td><td>Tr\u00e1nh gi\u1ea3i ph\u00f3ng s\u1eaft\/crom<\/td><td>&gt;90\u201395% so v\u1edbi th\u00e9p<\/td><\/tr><tr><td>V\u00f2i phun \/ tia n\u01b0\u1edbc<\/td><td>G\u1ed1m ho\u1eb7c polyurethane<\/td><td>Gia t\u1ed1c kh\u00ed t\u1ed1c \u0111\u1ed9 cao kh\u00f4ng c\u00f3 kim lo\u1ea1i<\/td><td>C\u1ea7n thi\u1ebft cho m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c<\/td><\/tr><tr><td>B\u00e1nh xe ph\u00e2n lo\u1ea1i<\/td><td>Ph\u1ee7 g\u1ed1m ho\u1eb7c ph\u1ee7 g\u1ed1m to\u00e0n ph\u1ea7n<\/td><td>Ng\u0103n ng\u1eeba s\u1ef1 m\u00e0i m\u00f2n trong qu\u00e1 tr\u00ecnh ph\u00e2n lo\u1ea1i t\u1ed1c \u0111\u1ed9 cao<\/td><td>Quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m so\u00e1t D90<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u nghi\u1ec1n (m\u00e1y nghi\u1ec1n bi)<\/td><td>Zirconia \u1ed5n \u0111\u1ecbnh b\u1eb1ng yttria (YSZ), alumina tinh khi\u1ebft, SiC<\/td><td>\u0110\u1ed9 m\u00e0i m\u00f2n th\u1ea5p nh\u1ea5t trong s\u1ed1 c\u00e1c lo\u1ea1i g\u1ed1m \u0111\u1eb7c.<\/td><td>Fe &lt;5\u201320 ppm c\u00f3 th\u1ec3<\/td><\/tr><tr><td>Tr\u00e1nh xa<\/td><td>Th\u00e9p kh\u00f4ng g\u1ec9, th\u00e9p m\u1ea1 crom, kim lo\u1ea1i c\u1ee9ng<\/td><td>M\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m cao ngay c\u1ea3 sau th\u1eddi gian v\u1eadn h\u00e0nh ng\u1eafn.<\/td><td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Nhi\u1ec1u m\u00e1y phay tia n\u01b0\u1edbc hi\u1ec7n \u0111\u1ea1i d\u00f9ng cho pin (v\u00ed d\u1ee5: c\u00e1c bi\u1ebfn th\u1ec3 ACM-BC ho\u1eb7c AFG \u0111\u1eb7c bi\u1ec7t) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n b\u1eb1ng g\u1ed1m \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh gia c\u00f4ng g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 kim lo\u1ea1i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"451\" src=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/ball-mill-classification-production-line-2.webp\" alt=\"ball mill classification production line 2\" class=\"wp-image-4428\" srcset=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/ball-mill-classification-production-line-2.webp 800w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/ball-mill-classification-production-line-2-300x169.webp 300w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/ball-mill-classification-production-line-2-768x433.webp 768w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/ball-mill-classification-production-line-2-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ph\u00e2n lo\u1ea1i m\u00e1y nghi\u1ec1n bi 2<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">2. Ch\u1ecdn c\u00f4ng ngh\u1ec7 phay ph\u00f9 h\u1ee3p<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u01afu ti\u00ean<\/strong>M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i \u2192 t\u1ef1 nghi\u1ec1n b\u1eb1ng va ch\u1ea1m gi\u1eefa c\u00e1c h\u1ea1t, ti\u1ebfp x\u00fac t\u1ed1i thi\u1ec3u gi\u1eefa v\u1eadt li\u1ec7u nghi\u1ec1n v\u00e0 l\u1edbp l\u00f3t \u2192 nguy c\u01a1 \u00f4 nhi\u1ec5m th\u1ea5p nh\u1ea5t \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh c\u1ea7u h\u00f3a than ch\u00ec v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn.<\/li>\n\n\n\n<li><strong>Ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c (v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba)<\/strong>M\u00e1y nghi\u1ec1n c\u01a1 h\u1ecdc kh\u00f4 d\u1ea1ng va \u0111\u1eadp v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong b\u1eb1ng g\u1ed1m.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng th\u1eadn tr\u1ecdng.<\/strong>: Nghi\u1ec1n \u01b0\u1edbt b\u1eb1ng bi \u2192 ch\u1ec9 s\u1eed d\u1ee5ng bi g\u1ed1m c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao + ch\u1ea5t ph\u1ee5 gia pH\/b\u00f9n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 gi\u1ea3m m\u00e0i m\u00f2n; th\u01b0\u1eddng \u0111\u01b0\u1ee3c theo sau b\u1edfi qu\u00e1 tr\u00ecnh t\u00e1ch t\u1eeb t\u00ednh.<\/li>\n\n\n\n<li><strong>Tr\u00e1nh s\u1eed d\u1ee5ng \u1edf b\u01b0\u1edbc c\u1ef1c d\u01b0\u01a1ng cu\u1ed1i c\u00f9ng.<\/strong>: Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n bi th\u00e9p truy\u1ec1n th\u1ed1ng ho\u1eb7c m\u00e1y nghi\u1ec1n ma s\u00e1t m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1eb7c bi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. T\u1ed1i \u01b0u h\u00f3a th\u00f4ng s\u1ed1 quy tr\u00ecnh \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hao m\u00f2n<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1ea3m \u00e1p su\u1ea5t nghi\u1ec1n\/l\u01b0u l\u01b0\u1ee3ng kh\u00ed trong m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n (\u0111\u00e1nh \u0111\u1ed5i gi\u1eefa n\u0103ng su\u1ea5t v\u00e0 \u0111\u1ed9 m\u1ecbn).<\/li>\n\n\n\n<li>Ki\u1ec3m so\u00e1t th\u1eddi gian nghi\u1ec1n v\u00e0 l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o \u2192 tr\u00e1nh nghi\u1ec1n qu\u00e1 m\u1ee9c.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh (PCA) trong qu\u00e1 tr\u00ecnh nghi\u1ec1n \u01b0\u1edbt (v\u00ed d\u1ee5: \u0111\u1ed9 pH t\u1ed1i \u01b0u, ch\u1ea5t ph\u00e2n t\u00e1n) \u2192 gi\u1ea3m s\u1ef1 v\u00f3n c\u1ee5c v\u00e0 m\u00e0i m\u00f2n v\u1eadt li\u1ec7u nghi\u1ec1n.<\/li>\n\n\n\n<li>Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u2192 nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0103n m\u00f2n\/m\u00e0i m\u00f2n.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng <strong>nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/strong> (H\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i t\u1ef1 nhi\u00ean th\u1ea5p).<\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t <strong>b\u1ed9 t\u00e1ch t\u1eeb trong tuy\u1ebfn<\/strong> (\u0111\u1ed9 d\u1ed1c cao) sau khi nghi\u1ec1n.<\/li>\n\n\n\n<li>Thu\u00ea <strong>m\u00e1y d\u00f2 kim lo\u1ea1i<\/strong> + Van x\u1ea3 t\u1ef1 \u0111\u1ed9ng.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng kh\u00ed n\u00e9n\/nit\u01a1 s\u1ea1ch, kh\u00f4 v\u1edbi b\u1ed9 l\u1ecdc HEPA.<\/li>\n\n\n\n<li>Ho\u1ea1t \u0111\u1ed9ng trong <strong>gi\u1ed1ng nh\u01b0 ph\u00f2ng s\u1ea1ch<\/strong> ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t (\u0111\u1eb7c bi\u1ec7t l\u00e0 cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ti\u1ebfp theo).<\/li>\n\n\n\n<li>Th\u01b0\u1eddng xuy\u00ean <strong>x\u00e1c th\u1ef1c v\u1ec7 sinh<\/strong> (Si\u00eau \u00e2m + dung m\u00f4i) l\u00e0m s\u1ea1ch t\u1ea5t c\u1ea3 c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. Tinh ch\u1ebf sau khi nghi\u1ec1n (n\u1ebfu c\u1ea7n)<\/h4>\n\n\n\n<p>Ngay c\u1ea3 khi \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1t nh\u1ea5t, kim lo\u1ea1i v\u1ebft v\u1eabn c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00e1ch t\u1eeb t\u00ednh<\/strong> (nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm m\u1ea1nh) \u2192 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t Fe c\u00f3 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh.<\/li>\n\n\n\n<li><strong>Chi\u1ebft xu\u1ea5t axit<\/strong> (r\u1ea5t nh\u1eb9 nh\u00e0ng, \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t) \u2192 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ti\u1ebft ki\u1ec7m cho m\u1ed9t s\u1ed1 c\u1ef1c d\u01b0\u01a1ng silicon nh\u1ea5t \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>Ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed<\/strong> m\u1ed9t l\u1ea7n n\u1eefa \u2192 lo\u1ea1i b\u1ecf c\u00e1c m\u1ea3nh kim lo\u1ea1i d\u00e0y \u0111\u1eb7c.<\/li>\n\n\n\n<li><strong>Gi\u00e1m s\u00e1t ICP-MS<\/strong> \u2192 Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 theo l\u00f4 \u0111\u1ed1i v\u1edbi Fe, Cr, Ni, v.v.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f3m t\u1eaft \u2013 S\u1ef1 k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t cho qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn c\u1ef1c d\u01b0\u01a1ng<\/h3>\n\n\n\n<p>D\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u1ef1c d\u01b0\u01a1ng cho pin lithium-ion hi\u1ec7u su\u1ea5t cao (\u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u1ea1i d\u00e0nh cho xe \u0111i\u1ec7n):<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u1ed1i l\u01b0u t\u1ea7ng s\u00f4i v\u1edbi l\u1edbp l\u00f3t g\u1ed1m to\u00e0n ph\u1ea7n v\u00e0 v\u00f2i phun g\u1ed1m.<\/li>\n\n\n\n<li>Tr\u00e1nh s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 th\u00e0nh ph\u1ea7n th\u00e9p n\u00e0o trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n<li>Tri\u1ec3n khai h\u1ec7 th\u1ed1ng t\u00e1ch t\u1eeb t\u00edch h\u1ee3p + d\u00f2 kim lo\u1ea1i.<\/li>\n\n\n\n<li>Theo d\u00f5i h\u00e0m l\u01b0\u1ee3ng Fe t\u1eebng l\u00f4 s\u1ea3n ph\u1ea9m (m\u1ee5c ti\u00eau &lt;20 ppm \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i cao c\u1ea5p).<\/li>\n\n\n\n<li>K\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n s\u1ea1ch (v\u00ed d\u1ee5: c\u00e1c kh\u1edbp n\u1ed1i linh ho\u1ea1t cao c\u1ea5p kh\u00f4ng b\u1ecb bong tr\u00f3c kim lo\u1ea1i).<\/li>\n<\/ol>\n\n\n\n<p>Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m kim lo\u1ea1i t\u1eeb h\u00e0ng tr\u0103m ppm (\u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng th\u00e9p th\u00f4ng th\u01b0\u1eddng) xu\u1ed1ng m\u1ee9c m\u1ed9t ch\u1eef s\u1ed1 ho\u1eb7c th\u1eadm ch\u00ed d\u01b0\u1edbi ppm, t\u1eeb \u0111\u00f3 tr\u1ef1c ti\u1ebfp c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd chu k\u1ef3, \u0111\u1ed9 an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t chu k\u1ef3 \u0111\u1ea7u ti\u00ean c\u1ee7a pin.<\/p>\n\n\n\n<p>Ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m nghi\u00eam ng\u1eb7t trong b\u01b0\u1edbc nghi\u1ec1n si\u00eau m\u1ecbn c\u1ef1c d\u01b0\u01a1ng kh\u00f4ng c\u00f2n l\u00e0 t\u00f9y ch\u1ecdn n\u1eefa m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea1nh tranh c\u1ed1t l\u00f5i trong chu\u1ed7i cung \u1ee9ng v\u1eadt li\u1ec7u pin.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img decoding=\"async\" width=\"721\" height=\"721\" src=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-4439\" style=\"width:150px;height:150px\" srcset=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-center is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p>C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 \u0111\u1ecdc. T\u00f4i hy v\u1ecdng b\u00e0i vi\u1ebft c\u1ee7a t\u00f4i h\u1eefu \u00edch. Vui l\u00f2ng \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi b\u1ed9 ph\u1eadn ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng tr\u1ef1c tuy\u1ebfn c\u1ee7a Zelda n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o kh\u00e1c.<\/p>\n<cite>                                                                                                                            \u2014 \u0110\u0103ng b\u1edfi <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Emily Chen<\/a><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f8-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"8\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/vi\/wp-json\/wp\/v2\/posts\/4551#wpcf7-f8-o1\" method=\"post\" class=\"wpcf7-form init\" 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