{"id":136377,"date":"2025-09-22T14:05:08","date_gmt":"2025-09-22T06:05:08","guid":{"rendered":"https:\/\/www.alpapowder.com\/136377\/"},"modified":"2025-09-22T14:05:08","modified_gmt":"2025-09-22T06:05:08","slug":"tiem-nang-cua-montmorillonite-trong-linh-vuc-nang-luong-moi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136377\/","title":{"rendered":"Ti\u1ec1m n\u0103ng c\u1ee7a montmorillonite trong l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng m\u1edbi"},"content":{"rendered":"

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Montmorillonite (MMT) l\u00e0 m\u1ed9t kho\u00e1ng v\u1eadt silicat ph\u00e2n l\u1edbp. Trong c\u1ea5u tr\u00fac c\u1ee7a n\u00f3, c\u00e1c nguy\u00ean t\u1eed nh\u00f4m h\u00f3a tr\u1ecb cao trong kh\u1ed1i b\u00e1t di\u1ec7n nh\u00f4m-oxy c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng c\u00e1c nguy\u00ean t\u1eed h\u00f3a tr\u1ecb th\u1ea5p h\u01a1n, t\u1ea1o ra \u0111i\u1ec7n t\u00edch \u00e2m gi\u1eefa c\u00e1c l\u1edbp. \u0110\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac xen k\u1ebd, montmorillonite h\u1ea5p th\u1ee5 c\u00e1c cation nh\u01b0 Na+, Ca2+, Mg2+, Al3+ v\u00e0 K+ t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i cho montmorillonite kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 v\u00e0 trao \u0111\u1ed5i cation m\u1ea1nh m\u1ebd. C\u1ea5u tr\u00fac v\u00e0 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i \u0111\u1ed9c \u0111\u00e1o n\u00e0y mang l\u1ea1i cho montmorillonite ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng \u0111\u00e1ng k\u1ec3 trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng m\u1edbi.<\/p>\n

V\u1eadt li\u1ec7u Pin Lithium<\/p>\n

(1) Cho Ch\u1ea5t \u0110i\u1ec7n Ph\u00e2n Th\u1ec3 R\u1eafn<\/p>\n

Nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng montmorillonite (MMT), v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 m\u1edbi, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 d\u1eabn ion v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n polyme r\u1eafn (SPE).<\/p>\n

(2) X\u00e2y d\u1ef1ng c\u00e1c l\u1edbp SEI nh\u00e2n t\u1ea1o<\/p>\n

Trong m\u00e0ng xen k\u1ebd pha \u0111i\u1ec7n ph\u00e2n r\u1eafn nh\u00e2n t\u1ea1o (SEI), l\u1edbp montmorillonite-lithium (Li-MMT) mang l\u1ea1i c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u1ed1t cho l\u1edbp SEI v\u00e0 cung c\u1ea5p c\u00e1c k\u00eanh v\u1eadn chuy\u1ec3n Li+, gi\u00fap \u1ee9c ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a dendrite lithium. Nh\u1edd c\u00e1c k\u00eanh Li+ nhanh trong Li-MMT, m\u1ed9t cell Li-LiFePO4 \u0111\u1ea7y \u0111\u1ee7 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p v\u1edbi l\u1edbp SEI Li-MMT th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng l\u01b0u gi\u1eef dung l\u01b0\u1ee3ng cao 90,6% sau 400 chu k\u1ef3 \u1edf t\u1ed1c \u0111\u1ed9 1C.<\/p>\n

(3) T\u1ed1i \u01b0u h\u00f3a b\u1ed9 t\u00e1ch<\/p>\n

MMT \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a b\u1ed9 t\u00e1ch nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh h\u1ea5p ph\u1ee5 tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3. So v\u1edbi c\u00e1c b\u1ed9 t\u00e1ch PE th\u01b0\u01a1ng m\u1ea1i, b\u1ed9 t\u00e1ch bi\u1ebfn t\u00ednh Li-MMT c\u00f3 n\u1ed3ng \u0111\u1ed9 Li+ cao h\u01a1n t\u1ea1i giao di\u1ec7n \u0111i\u1ec7n c\u1ef1c\/ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, gi\u00fap gi\u1ea3m s\u1ef1 l\u1eafng \u0111\u1ecdng lithium ch\u1ecdn l\u1ecdc, l\u00e0m suy y\u1ebfu m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 v\u00e0 \u1ee9c ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a dendrite.<\/p>\n

(4) T\u1ed1i \u01b0u h\u00f3a ch\u1ea5t \u0111i\u1ec7n ph\u00e2n l\u1ecfng<\/p>\n

Trong h\u1ec7 th\u1ed1ng pin lithium kim lo\u1ea1i, so v\u1edbi ch\u1ea5t \u0111i\u1ec7n ph\u00e2n PEO, montmorillonite th\u1ec3 hi\u1ec7n \u00e1i l\u1ef1c m\u1ea1nh h\u01a1n v\u1edbi lithium kim lo\u1ea1i, v\u1edbi th\u1ebf zeta l\u00e0 +26 mV, th\u00fac \u0111\u1ea9y s\u1ef1 l\u00e0m gi\u00e0u ion lithium g\u1ea7n b\u1ec1 m\u1eb7t montmorillonite. V\u1edbi s\u1ef1 h\u1ea5p ph\u1ee5 v\u00e0 t\u00e1ch c\u00e1c ion lithium, \u0111i\u1ec7n th\u1ebf qu\u00e1 m\u1ee9c t\u0103ng nh\u1eb9 l\u00ean -57,7 mV, d\u1eabn c\u00e1c ion lithium di chuy\u1ec3n t\u1eeb montmorillonite v\u00e0 l\u1eafng \u0111\u1ecdng tr\u00ean b\u1ec1 m\u1eb7t b\u1ed9 thu d\u00f2ng \u0111i\u1ec7n b\u1eb1ng \u0111\u1ed3ng.<\/p>\n

(5) V\u1eadt li\u1ec7u mang<\/p>\n

Si\u00eau t\u1ee5 \u0111i\u1ec7n<\/p>\n

V\u1eadt li\u1ec7u khu\u00f4n m\u1eabu<\/p>\n

M\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean c\u00f3 h\u00ecnh th\u00e1i \u0111\u1eb7c tr\u01b0ng, \u200b\u200bch\u1eb3ng h\u1ea1n nh\u01b0 attapulgite, montmorillonite, halloysite v\u00e0 diatomite, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m khu\u00f4n m\u1eabu \u0111\u1ec3 t\u1ed5ng h\u1ee3p v\u1eadt li\u1ec7u carbon x\u1ed1p v\u1edbi h\u00ecnh th\u00e1i \u0111\u1eb7c tr\u01b0ng. H\u01a1n n\u1eefa, c\u00e1c polyme d\u1eabn \u0111i\u1ec7n v\u1edbi h\u00ecnh th\u00e1i \u0111\u1eb7c tr\u01b0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p khu\u00f4n m\u1eabu kho\u00e1ng ch\u1ea5t. (2) V\u1eadt li\u1ec7u mang \u0111i\u1ec7n c\u1ef1c<\/p>\n

\u0110\u1ec3 thu \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u ho\u1ea1t t\u00ednh v\u1edbi h\u00ecnh th\u00e1i \u0111\u1eb7c tr\u01b0ng, \u200b\u200b\u0111\u1ed3ng th\u1eddi t\u0103ng c\u01b0\u1eddng \u0111i\u1ec7n dung ri\u00eang v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh chu k\u1ef3, v\u1eadt li\u1ec7u ho\u1ea1t t\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ea1p l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c kho\u00e1ng ch\u1ea5t nh\u01b0 montmorillonite v\u00e0 halloysite.<\/p>\n

V\u1eadt li\u1ec7u l\u01b0u tr\u1eef m\u00eatan<\/p>\n

Hi\u1ec7n nay, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang t\u00ecm hi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef kh\u00ed thi\u00ean nhi\u00ean d\u1ef1a tr\u00ean h\u1ea5p ph\u1ee5, v\u1eeba ti\u1ebft ki\u1ec7m, v\u1eeba ti\u1ec7n l\u1ee3i v\u00e0 an to\u00e0n, nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf cho c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00ed thi\u00ean nhi\u00ean n\u00e9n v\u00e0 kh\u00ed thi\u00ean nhi\u00ean h\u00f3a l\u1ecfng truy\u1ec1n th\u1ed1ng. C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng kho\u00e1ng s\u00e9t \u0111\u00f3ng vai tr\u00f2 t\u00edch c\u1ef1c trong vi\u1ec7c h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c m\u1ecf kh\u00ed \u0111\u00e1 phi\u1ebfn v\u00e0 s\u1edf h\u1eefu kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef kh\u00ed.<\/p>\n

V\u1eadt li\u1ec7u \u0111i\u1ec7n x\u00fac t\u00e1c<\/p>\n

\u0110i\u1ec7n x\u00fac t\u00e1c l\u00e0 m\u1ed9t lo\u1ea1i x\u00fac t\u00e1c gi\u00fap t\u0103ng t\u1ed1c c\u00e1c ph\u1ea3n \u1ee9ng truy\u1ec1n \u0111i\u1ec7n t\u00edch t\u1ea1i giao di\u1ec7n \u0111i\u1ec7n c\u1ef1c\/ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 gi\u1ea3i ph\u00f3ng hydro \u0111i\u1ec7n h\u00f3a, gi\u1ea3i ph\u00f3ng oxy v\u00e0 kh\u1eed NOx. C\u00e1c kho\u00e1ng s\u00e9t nh\u01b0 montmorillonite \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i l\u00e0m ch\u1ea5t mang cho c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea3n \u1ee9ng \u0111i\u1ec7n c\u1ef1c quang x\u00fac t\u00e1c \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee5 c\u00e1c h\u1ea1t, c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c ph\u00e2n t\u1eed nh\u1ea1y c\u1ea3m v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecdn l\u1ecdc ph\u1ea3n \u1ee9ng.<\/p>\n

V\u1eadt li\u1ec7u L\u01b0u tr\u1eef Nhi\u1ec7t N\u0103ng Chuy\u1ec3n Pha<\/p>\n

V\u1eadt li\u1ec7u l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng chuy\u1ec3n pha (PCM) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng m\u1edbi, t\u1eadn d\u1ee5ng s\u1ef1 h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng nhi\u1ec7t trong qu\u00e1 tr\u00ecnh chuy\u1ec3n pha \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t n\u0103ng. Kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong l\u0129nh v\u1ef1c l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng chuy\u1ec3n pha. M\u1ed9t m\u1eb7t, b\u1ea3n th\u00e2n kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean l\u00e0 v\u1eadt li\u1ec7u chuy\u1ec3n pha v\u00f4 c\u01a1 tuy\u1ec7t v\u1eddi, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh v\u1eadt li\u1ec7u l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng chuy\u1ec3n pha hi\u1ec7u su\u1ea5t cao sau khi b\u1ed5 sung c\u00e1c t\u00e1c nh\u00e2n t\u1ea1o h\u1ea1t v\u00e0 ch\u1ea5t l\u00e0m \u0111\u1eb7c th\u00edch h\u1ee3p. M\u1eb7t kh\u00e1c, c\u1ea5u tr\u00fac x\u1ed1p c\u1ee7a kho\u00e1ng ch\u1ea5t c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t mang tuy\u1ec7t v\u1eddi cho v\u1eadt li\u1ec7u l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng chuy\u1ec3n pha.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u1ea5u tr\u00fac \u0111\u1ed9c \u0111\u00e1o v\u00e0 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i n\u00e0y mang l\u1ea1i cho montmorillonite ti\u1ec1m n\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng m\u1edbi.<\/p>\n","protected":false},"author":7,"featured_media":136352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136377","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\/136377","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=136377"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136377\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136352"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}