{"id":128127,"date":"2023-08-11T14:29:14","date_gmt":"2023-08-11T06:29:14","guid":{"rendered":"https:\/\/www.alpapowder.com\/128127\/"},"modified":"2023-08-11T14:29:15","modified_gmt":"2023-08-11T06:29:15","slug":"cac-cong-nghe-spheroidization-bot-la-gi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/128127\/","title":{"rendered":"C\u00e1c c\u00f4ng ngh\u1ec7 spheroidization b\u1ed9t l\u00e0 g\u00ec?"},"content":{"rendered":"

\"\"<\/p>\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p, c\u00f4ng ngh\u1ec7 b\u1ed9t, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb h\u00ecnh c\u1ea7u h\u1ea1t, ng\u00e0y c\u00e0ng thu h\u00fat nhi\u1ec1u s\u1ef1 ch\u00fa \u00fd c\u1ee7a ng\u00e0nh. B\u1ed9t h\u00ecnh c\u1ea7u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m m\u00e0 b\u1ed9t th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang cao, m\u1eadt \u0111\u1ed9 v\u00f2i cao v\u00e0 t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong pin lithium-ion, th\u1ef1c ph\u1ea9m, y h\u1ecdc, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, khai th\u00e1c m\u1ecf, vi \u0111i\u1ec7n t\u1eed, in 3D v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c, v\u00e0 d\u1ea7n d\u1ea7n tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u m\u1edbi kh\u00f4ng th\u1ec3 thay th\u1ebf. Vi\u1ec7c chu\u1ea9n b\u1ecb c\u00e1c h\u1ea1t h\u00ecnh c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng cao lu\u00f4n l\u00e0 tr\u1ecdng t\u00e2m v\u00e0 kh\u00f3 kh\u0103n c\u1ee7a ng\u00e0nh.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p spheroidization<\/a> t\u00e1c \u0111\u1ed9ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao<\/p>\n

Hi\u1ec7n t\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p h\u00ecnh c\u1ea7u t\u00e1c \u0111\u1ed9ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n lo\u1ea1i cao, \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n lo\u1ea1i c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t l\u1edbn, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c x\u1eed l\u00fd h\u00ecnh c\u1ea7u h\u00f3a than ch\u00ec t\u1ef1 nhi\u00ean, than ch\u00ec nh\u00e2n t\u1ea1o v\u00e0 h\u1ea1t xi m\u0103ng.<\/p>\n

Nguy\u00ean t\u1eafc c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y nh\u01b0 sau: m\u00e1y nghi\u1ec1n t\u00e1c \u0111\u1ed9ng d\u00f2ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng c\u1ee5 quay v\u00f2ng quay \u1edf t\u1ed1c \u0111\u1ed9 cao quanh tr\u1ee5c ngang ho\u1eb7c d\u1ecdc \u0111\u1ec3 \u0111\u01b0a v\u1eadt li\u1ec7u v\u00e0o m\u1ed9t lo\u1ea1t t\u00e1c \u0111\u1ed9ng t\u1eeb lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao, va ch\u1ea1m b\u00faa, ma s\u00e1t, v\u00e0 c\u1eaft \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t si\u00eau m\u1ecbn. V\u1eadt li\u1ec7u \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n thu \u0111\u01b0\u1ee3c th\u00f4ng qua b\u1ed9 s\u01b0u t\u1eadp ph\u00e2n lo\u1ea1i. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a s\u1ea3n ph\u1ea9m nh\u01b0 \u0111\u1ed9 h\u00ecnh c\u1ea7u c\u1ee7a h\u1ea1t, m\u1eadt \u0111\u1ed9 v\u00f2i, n\u0103ng su\u1ea5t h\u00ecnh c\u1ea7u h\u00f3a, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, v.v. .<\/p>\n

L\u1ea5y qu\u00e1 tr\u00ecnh h\u00ecnh c\u1ea7u h\u00f3a c\u1ee7a than ch\u00ec v\u1ea3y t\u1ef1 nhi\u00ean l\u00e0m v\u00ed d\u1ee5, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1n b\u01b0\u1edbc, c\u1ee5 th\u1ec3 l\u00e0 u\u1ed1n cong \u2014 l\u00e0m b\u00f3ng \u2014 h\u1ea5p ph\u1ee5 \u2014 n\u00e9n ch\u1eb7t.<\/p>\n

 <\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng b\u1ed9t h\u00ecnh c\u1ea7u ph\u1ed5 bi\u1ebfn<\/p>\n

1. B\u1ed9t v\u1eadt li\u1ec7u c\u1ef1c d\u01b0\u01a1ng pin lithium-ion
\nThan ch\u00ec t\u1ef1 nhi\u00ean c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh d\u1ec5 thu nh\u1eadn v\u00e0 hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a tuy\u1ec7t v\u1eddi, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u1eadt li\u1ec7u c\u1ef1c d\u01b0\u01a1ng c\u1ee7a pin lithium-ion. Than ch\u00ec nh\u00e2n t\u1ea1o c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 hi\u1ec7u su\u1ea5t chu k\u1ef3 t\u1ed1t, chi ph\u00ed th\u1ea5p v\u00e0 c\u1ea5u tr\u00fac \u1ed5n \u0111\u1ecbnh, v\u00ec v\u1eady n\u00f3 d\u1ea7n tr\u1edf th\u00e0nh tr\u1ecdng t\u00e2m nghi\u00ean c\u1ee9u. Than ch\u00ec h\u00ecnh c\u1ea7u c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 c\u00f4ng su\u1ea5t t\u1ed1c \u0111\u1ed9 cao, hi\u1ec7u su\u1ea5t Coulombic cao, c\u00f4ng su\u1ea5t kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c th\u1ea5p, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eadp trung, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang nh\u1ecf v\u00e0 m\u1eadt \u0111\u1ed9 v\u00f2i cao. Hi\u1ec7n nay, than ch\u00ec v\u1ea3y t\u1ef1 nhi\u00ean v\u00e0 than ch\u00ec nh\u00e2n t\u1ea1o ch\u1ee7 y\u1ebfu thu \u0111\u01b0\u1ee3c than ch\u00ec h\u00ecnh c\u1ea7u th\u00f4ng qua t\u00e1c \u0111\u1ed9ng c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao. C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a.<\/p>\n

2. B\u1ed9t silic h\u00ecnh c\u1ea7u
\nB\u1ed9t microsilica h\u00ecnh c\u1ea7u c\u00f3 h\u00ecnh d\u1ea1ng \u0111\u1eb9p, \u0111\u1ed9 tinh khi\u1ebft h\u00f3a h\u1ecdc cao v\u00e0 h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 ph\u00f3ng x\u1ea1 th\u1ea5p. \u1ee8ng d\u1ee5ng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3ng g\u00f3i nh\u1ef1a v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3ng g\u00f3i nh\u1ef1a. Do \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t m\u1ea1ch t\u00edch h\u1ee3p. V\u1eadt li\u1ec7u l\u00e0m \u0111\u1ea7y g\u00f3i quan tr\u1ecdng nh\u1ea5t trong c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p.<\/p>\n

3. B\u1ed9t xi m\u0103ng h\u00ecnh c\u1ea7u
\nXi m\u0103ng th\u00f4ng th\u01b0\u1eddng c\u00f3 \u0111\u1eb7c t\u00ednh x\u1ed1p v\u00e0 c\u1ea5u tr\u00fac l\u1ed7 r\u1ed7ng ph\u1ee9c t\u1ea1p n\u00ean s\u1ebd gi\u1ea3m t\u00ednh l\u01b0u \u0111\u1ed9ng v\u00e0 d\u1ea7n c\u1ee9ng l\u1ea1i trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng th\u1ee7y h\u00f3a. Xi m\u0103ng th\u00f4ng th\u01b0\u1eddng h\u00ecnh c\u1ea7u \u0111\u1ec3 thu \u0111\u01b0\u1ee3c xi m\u0103ng h\u00ecnh c\u1ea7u c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u \u1edf c\u00e1c kh\u00eda c\u1ea1nh sau: gi\u1ea3m nhu c\u1ea7u n\u01b0\u1edbc, gi\u1ea3m \u0111\u1ed9 x\u1ed1p, c\u1ea3i thi\u1ec7n t\u00ednh l\u01b0u \u0111\u1ed9ng v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 xi m\u0103ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ed9t h\u00ecnh c\u1ea7u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m m\u00e0 b\u1ed9t th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang cao, m\u1eadt \u0111\u1ed9 v\u00f2i cao v\u00e0 t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t.<\/p>\n","protected":false},"author":7,"featured_media":128087,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-128127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=128127"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128127\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/128087"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=128127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=128127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=128127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}