{"id":27685,"date":"2020-03-18T17:05:00","date_gmt":"2020-03-18T10:05:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27685"},"modified":"2021-11-07T20:32:44","modified_gmt":"2021-11-07T13:32:44","slug":"mang-cacbon-moi-san-xuat-dien-nang-hieu-qua-hon","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mang-cacbon-moi-san-xuat-dien-nang-hieu-qua-hon\/","title":{"rendered":"M\u00e0ng cacbon m\u1edbi s\u1ea3n xu\u1ea5t \u0111i\u1ec7n n\u0103ng hi\u1ec7u qu\u1ea3 h\u01a1n"},"content":{"rendered":"\n

C\u00e1c nh\u00e0 h\u00f3a h\u1ecdc t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Leiden \u0111\u00e3 t\u1ea1o ra l\u1edbp m\u00e0ng si\u00eau m\u1ecfng m\u1edbi ch\u1ec9 d\u00e0y m\u1ed9t ph\u00e2n t\u1eed. M\u00e0ng n\u00e0y c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n n\u0103ng t\u1eeb n\u01b0\u1edbc bi\u1ec3n nhi\u1ec1u g\u1ea5p m\u1ed9t tr\u0103m l\u1ea7n so v\u1edbi m\u00e0ng t\u1ed1t nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7n nay. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature Nanotechnology<\/em>.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

M\u1ecfng v\u00e0 x\u1ed1p<\/em><\/p>\n\n\n\n

Khi n\u01b0\u1edbc ng\u1ecdt v\u00e0 n\u01b0\u1edbc m\u1eb7n g\u1eb7p nhau, hi\u1ec7n t\u01b0\u1ee3ng trao \u0111\u1ed5i gi\u1eefa mu\u1ed1i v\u00e0 c\u00e1c h\u1ea1t kh\u00e1c di\u1ec5n ra. M\u00e0ng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong n\u01b0\u1edbc c\u00f3 th\u1ec3 khai th\u00e1c n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c h\u1ea1t di chuy\u1ec3n t\u1eeb m\u1eb7t n\u00e0y sang m\u1eb7t b\u00ean kia. Qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u1ef1 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eed mu\u1ed1i trong n\u01b0\u1edbc bi\u1ec3n. C\u00e1c nh\u00e0 h\u00f3a h\u1ecdc t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Leiden \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c lo\u1ea1i m\u00e0ng m\u1edbi s\u1ea3n xu\u1ea5t nhi\u1ec1u \u0111i\u1ec7n n\u0103ng g\u1ea5p m\u1ed9t tr\u0103m l\u1ea7n so v\u1edbi m\u00e0ng truy\u1ec1n th\u1ed1ng v\u00e0 m\u1eabu m\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong t\u00e0i li\u1ec7u khoa h\u1ecdc.<\/p>\n\n\n\n

M\u1ee9c n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u1ea1o ra ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 x\u1ed1p c\u1ee7a m\u00e0ng. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1ea1o ra l\u1edbp m\u00e0ng t\u1eeb cacbon v\u1eeba x\u1ed1p l\u1ea1i v\u1eeba m\u1ecfng. \u0110\u00f3 l\u00e0 l\u00fd do n\u00f3 c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n c\u00e1c m\u00e0ng hi\u1ec7n c\u00f3 x\u1ed1p ho\u1eb7c m\u1ecfng, m\u00e0 kh\u00f4ng ph\u1ea3i c\u00f3 c\u1ea3 hai \u0111\u1eb7c t\u00ednh n\u00e0y.<\/p>\n\n\n\n

\u0110\u1ec3 t\u1ea1o ra m\u00e0ng m\u1edbi, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 tr\u1ea3i kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn ph\u00e2n t\u1eed d\u1ea7u tr\u00ean m\u1eb7t n\u01b0\u1edbc. Sau \u0111\u00f3, nh\u1eefng kh\u1ed1i ph\u00e2n t\u1eed c\u1ea5u th\u00e0nh n\u00e0y t\u1ef1 t\u1ea1o th\u00e0nh m\u1ed9t m\u00e0ng m\u1ecfng. Th\u00f4ng qua l\u00e0m n\u00f3ng m\u00e0ng, c\u00e1c ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh t\u1ea1i ch\u1ed7, t\u1ea1o ra l\u1edbp m\u00e0ng x\u1ed1p v\u00e0 \u1ed5n \u0111\u1ecbnh. Theo Xue Liu, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u, m\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3. M\u00e0ng ch\u1ec9 d\u00e0y hai nanomet v\u00e0 c\u00f3 th\u1ec3 th\u1ea5m v\u00e0o c\u00e1c ion kali. C\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t c\u1ee7a m\u00e0ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t kh\u1ed1i ph\u00e2n t\u1eed c\u1ea5u th\u00e0nh kh\u00e1c. Theo \u0111\u00f3, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh n\u00f3 cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi nhu c\u1ea7u.<\/p>\n\n\n\n

Graphene<\/em><\/p>\n\n\n\n

M\u00e0ng cacbon m\u1edbi t\u01b0\u01a1ng t\u1ef1 nh\u01b0 graphene, m\u00e0ng ph\u1eb3ng l\u1edbn \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh ch\u1ec9 t\u1eeb c\u00e1c nguy\u00ean t\u1eed cacbon. Nh\u01b0ng theo Gr\u00e9gory Schneider, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u, m\u00e0ng m\u1edbi thu\u1ed9c lo\u1ea1i ho\u00e0n to\u00e0n kh\u00e1c. Khi t\u1ea1o m\u00e0ng, nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u b\u1eaft \u0111\u1ea7u v\u1edbi graphene, r\u1ea5t m\u1ecfng, nh\u01b0ng kh\u00f4ng x\u1ed1p. Sau \u0111\u00f3, h\u1ecd c\u1ed1 g\u1eafng \u0111\u1ee5c l\u1ed7 tr\u00ean \u0111\u00f3 \u0111\u1ec3 m\u00e0ng d\u1ec5 th\u1ea5m h\u01a1n. Nh\u01b0ng nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 l\u00e0m ng\u01b0\u1ee3c l\u1ea1i b\u1eb1ng c\u00e1ch l\u1eafp r\u00e1p c\u00e1c ph\u00e2n t\u1eed nh\u1ecf v\u00e0 t\u1ea1o n\u00ean m\u1ed9t m\u00e0ng x\u1ed1p l\u1edbn h\u01a1n t\u1eeb c\u00e1c ph\u00e2n t\u1eed \u0111\u00f3. So v\u1edbi graphene, m\u00e0ng x\u1ed1p ch\u1ee9a nh\u1eefng \u0111i\u1ec3m kh\u00f4ng ho\u00e0n h\u1ea3o, nh\u01b0ng mang l\u1ea1i cho n\u00f3 t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n

Schneider cho r\u1eb1ng: Ph\u1ea7n l\u1edbn nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c n\u00e0y t\u1eadp trung t\u1ea1o ra c\u00e1c ch\u1ea5t x\u00fac t\u00e1c hi\u1ec7u qu\u1ea3 h\u01a1n. Ph\u00e1t hi\u1ec7n n\u00e0y m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng ho\u00e0n to\u00e0n m\u1edbi cho vi\u1ec7c s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, kh\u1eed mu\u1ed1i v\u00e0 ch\u1ebf t\u1ea1o pin nhi\u00ean li\u1ec7u hi\u1ec7u qu\u1ea3 h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n

N.P.D (NASATI), theo https:\/\/phys.org\/news\/2020-03-carbon-membrane-power.html, 10\/3\/2020<\/em><\/p>\n\n\n\n

https:\/\/www.vista.gov.vn\/news\/khoa-hoc-ky-thuat-va-cong-nghe\/mang-cacbon-moi-san-xuat-dien-nang-hieu-qua-hon-455.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 h\u00f3a h\u1ecdc t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Leiden \u0111\u00e3 t\u1ea1o ra l\u1edbp m\u00e0ng si\u00eau m\u1ecfng m\u1edbi ch\u1ec9 d\u00e0y m\u1ed9t ph\u00e2n t\u1eed. M\u00e0ng n\u00e0y c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n n\u0103ng t\u1eeb n\u01b0\u1edbc bi\u1ec3n nhi\u1ec1u g\u1ea5p m\u1ed9t tr\u0103m l\u1ea7n so v\u1edbi m\u00e0ng t\u1ed1t nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7n nay. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean […]<\/p>\n","protected":false},"author":25,"featured_media":29628,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-27685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27685"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27685\/revisions"}],"predecessor-version":[{"id":29629,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27685\/revisions\/29629"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/29628"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}