{"id":112342,"date":"2021-10-18T11:12:28","date_gmt":"2021-10-18T03:12:28","guid":{"rendered":"https:\/\/www.alpapowder.com\/112342\/"},"modified":"2021-10-18T11:12:28","modified_gmt":"2021-10-18T03:12:28","slug":"may-nghien-phan-luc-la-mot-thiet-bi-khong-the-thieu-trong-qua-trinh-dieu-che-oxit-liti-coban","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/112342\/","title":{"rendered":"M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf oxit liti coban"},"content":{"rendered":"<p>Trong pin lithium-ion, v\u1eadt li\u1ec7u l\u00e0m cat\u1ed1t l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a pin lithium-ion. Lithi coban, liti vanadi photphat v\u00e0 liti s\u1eaft photphat \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i l\u00e0m v\u1eadt li\u1ec7u cat\u1ed1t. Trong s\u1ed1 \u0111\u00f3, lithium coban oxit c\u00f3 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra trung b\u00ecnh l\u00e0 3,7V, m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn 140mAh \/ g, v\u00e0 c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 hi\u1ec7u su\u1ea5t chu k\u1ef3 t\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t. Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y khi\u1ebfn lithium coban oxit \u0111\u01b0\u1ee3c coi l\u00e0 v\u1eadt li\u1ec7u l\u00e0m c\u1ef1c \u00e2m cho pin cao \u00e1p ti\u1ec1m n\u0103ng nh\u1ea5t. Qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf v\u00e0 ch\u1ebf bi\u1ebfn b\u1ed9t oxit liti coban c\u0169ng li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m ti\u1ebfp theo, v\u00ec v\u1eady trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf oxit liti coban, vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn l\u00e0 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng.<\/p>\n<p>Qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i si\u00eau m\u1ecbn l\u00e0 c\u00f4ng vi\u1ec7c kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn oxit c\u00f4ban liti, v\u00e0 n\u00f3 c\u0169ng l\u00e0 thi\u1ebft b\u1ecb cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh ch\u1ebf bi\u1ebfn, c\u00f3 \u1ea3nh h\u01b0\u1edfng quan tr\u1ecdng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ed9t oxit liti coban th\u00e0nh ph\u1ea9m. \u0110\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i oxit liti coban si\u00eau m\u1ecbn, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m cho th\u00e0nh ph\u1ea9m ch\u1ebf bi\u1ebfn c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u, kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t v\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-83577 size-full aligncenter\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/11e947587c90b3855a9497.jpg\" alt=\"\" width=\"960\" height=\"720\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/11e947587c90b3855a9497.jpg 960w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/11e947587c90b3855a9497-300x225.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/11e947587c90b3855a9497-768x576.jpg 768w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/11e947587c90b3855a9497-uai-720x540.jpg 720w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<h4>\u0110\u1eb7c \u0111i\u1ec3m thi\u1ebft b\u1ecb c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c oxit coban lithium:<\/h4>\n<ul>\n<li>N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh, v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t h\u00ecnh th\u00e1i h\u1ea1t v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t. Th\u00e0nh ph\u1ea9m c\u00f3 h\u00ecnh th\u00e1i h\u1ea1t tuy\u1ec7t v\u1eddi v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 y\u00eau c\u1ea7u v\u1eadt li\u1ec7u kh\u00e1c nhau.<\/li>\n<li>S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p v\u00e0 th\u00e0nh ph\u1ea9m c\u00f3 m\u1eadt \u0111\u1ed9 h\u1ea1t cao.<\/li>\n<li>Qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u1ea5p, t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 96%.<\/li>\n<li>Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u00f3t b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ecbu m\u00e0i m\u00f2n, thi\u1ebft b\u1ecb \u00edt hao m\u00f2n v\u00e0 th\u00e0nh ph\u1ea9m c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/li>\n<li>S\u1eed d\u1ee5ng b\u1ed9 bi\u1ebfn t\u1ea7n \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c, \u0111\u1ed9 m\u1ecbn v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u00f9y \u00fd trong kho\u1ea3ng 0,5-100 \u03bcm.<\/li>\n<li>Ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n b\u1eb1ng \u00e1p su\u1ea5t \u00e2m, ti\u1ebfng \u1ed3n th\u1ea5p, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m b\u1ee5i.<\/li>\n<\/ul>\n<p>M\u00e1y nghi\u1ec1n liti coban oxit c\u0169ng th\u00edch h\u1ee3p cho c\u00e1c v\u1eadt li\u1ec7u c\u1ef1c \u00e2m c\u1ee7a pin liti: photphat s\u1eaft, photphat s\u1eaft liti, v\u1eadt li\u1ec7u b\u1eadc ba, liti manganat, liti niken manganat, liti cacbonat, liti hydroxit, oxalat m\u00e0u v\u00e0 c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t kh\u00f4 kh\u00e1c Nghi\u1ec1n, ph\u00e1 v\u1ee1 v\u00e0 t\u1ea1o h\u00ecnh h\u1ea1t .<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i si\u00eau m\u1ecbn l\u00e0 c\u00f4ng vi\u1ec7c kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn oxit c\u00f4ban liti, v\u00e0 n\u00f3 c\u0169ng l\u00e0 thi\u1ebft b\u1ecb cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh ch\u1ebf bi\u1ebfn, c\u00f3 \u1ea3nh h\u01b0\u1edfng quan tr\u1ecdng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ed9t oxit liti coban th\u00e0nh ph\u1ea9m.<\/p>\n","protected":false},"author":6,"featured_media":83577,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-112342","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\/112342","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=112342"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/112342\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/83577"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=112342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=112342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=112342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}