{"id":26760,"date":"2021-03-19T17:17:06","date_gmt":"2021-03-19T10:17:06","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=26760"},"modified":"2022-02-08T15:03:30","modified_gmt":"2022-02-08T08:03:30","slug":"ky-thuat-nanocomposit-tang-hieu-qua-cua-pin-dien-mat-troi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/ky-thuat-nanocomposit-tang-hieu-qua-cua-pin-dien-mat-troi\/","title":{"rendered":"K\u1ef9 thu\u1eadt nanocomposit t\u0103ng hi\u1ec7u qu\u1ea3 c\u1ee7a pin \u0111i\u1ec7n m\u1eb7t tr\u1eddi"},"content":{"rendered":"\n

Nh\u00f3m nh\u00e0 khoa h\u1ecdc qu\u1ed1c t\u1ebf \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ef9 thu\u1eadt m\u1edbi ch\u1ebf t\u1ea1o pin m\u1eb7t tr\u1eddi v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1eb7c bi\u1ec7t trong m\u1ed9t c\u1ea5u tr\u00fac, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nanocomposit c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 c\u1ee7a pin.<\/strong><\/h2>\n\n\n\n
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C\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi tr\u00ean m\u00e1i c\u1ee7a Trung t\u00e2m H\u1ed9i ngh\u1ecb Los Angeles, l\u1eafp \u0111\u1eb7t ng\u00e0y 5\/9\/2018. M\u1ea3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi g\u1ed3m 6.228 t\u1ea5m pin, t\u1ea1o ra 3,4 tri\u1ec7u kilowatt gi\u1edd \u0111i\u1ec7n m\u1ed7i n\u0103m. \u1ea2nh c\u1ee7a Mario Tama\/Getty Images<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u qu\u1ed1c t\u1ebf, d\u1eabn \u0111\u1ea7u c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb \u0110\u1ea1i h\u1ecdc Martin Luther Halle-Wittenberg (MLU) \u0110\u1ee9c, \u0111\u00e3 c\u00f4ng b\u1ed1 ph\u00e1t hi\u1ec7n \u0111\u1ed9t ph\u00e1 n\u00e0y tr\u00ean T\u1ea1p ch\u00ed Nano Letters. Theo TS Akash Bhatnagar thu\u1ed9c Trung t\u00e2m N\u0103ng l\u1ef1c Ti\u00ean ti\u1ebfn SiLi-nano t\u1ea1i MLU, do pin m\u1eb7t tr\u1eddi th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb v\u1eadt li\u1ec7u b\u00e1n d\u1eabn silicon n\u00ean kh\u1ea3 n\u0103ng t\u0103ng hi\u1ec7u su\u1ea5t c\u1ee7a pin m\u1eb7t tr\u1eddi l\u00ean \u0111\u1ebfn v\u00f4 h\u1ea1n l\u00e0 kh\u00f4ng kh\u1ea3 thi.<\/p>\n\n\n\n

Nh\u00f3m nh\u00e0 khoa h\u1ecdc c\u1ee7a \u00f4ng t\u1eadp trung nghi\u00ean c\u1ee9u m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng quang \u0111i\u1ec7n d\u1ecb th\u01b0\u1eddng, c\u00f3 li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi th\u00e0nh hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

Hi\u1ec7u \u1ee9ng quang \u0111i\u1ec7n d\u1ecb th\u01b0\u1eddng n\u00e0y x\u1ea3y ra trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 \u0111i\u1ec3m chuy\u1ec3n ti\u1ebfp, ph\u1ea7n silicon pha t\u1ea1p \u00e2m t\u00ednh v\u00e0 d\u01b0\u01a1ng t\u00ednh, cho ph\u00e9p c\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng trong v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

Th\u00f4ng th\u01b0\u1eddng, s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ea5u tr\u00fac tinh th\u1ec3 phi \u0111\u1ed1i x\u1ee9ng c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed \u0111\u1ed1i v\u1edbi c\u1ea3 hai m\u1eb7t \u0111\u01b0\u1eddng ti\u1ebfp gi\u00e1p d\u1eabn h\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a c\u00e1c electron.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed1i li\u00ean k\u1ebft n\u00e0y th\u01b0\u1eddng l\u00e0 oxit, c\u00f3 \u01b0u \u0111i\u1ec3m d\u1ec5 ch\u1ebf t\u1ea1o, chi ph\u00ed th\u1ea5p v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n cao. Nh\u01b0ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 kh\u1ea3 n\u0103ng kh\u00e1ng \u0111i\u1ec7n t\u1ef1 nhi\u00ean c\u1ee7a v\u1eadt li\u1ec7u oxit \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u quang \u0111i\u1ec7n.<\/p>\n\n\n\n

Lutz M\u00fchlenbein, t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u cho bi\u1ebft, \u0111\u1ec3 s\u1eed d\u1ee5ng v\u00e0 khai th\u00e1c t\u00e1c d\u1ee5ng c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y, c\u1ea7n c\u00f3 nh\u1eefng c\u1ea5u \u200b\u200btr\u00fac t\u1ebf b\u00e0o c\u00f3 t\u00ednh s\u00e1ng t\u1ea1o \u0111\u1ec3 ph\u00e1t huy \u01b0u \u0111i\u1ec3m v\u00e0 b\u00f9 \u0111\u1eafp nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u, nh\u00f3m nh\u00e0 khoa h\u1ecdc MLU, ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c \u0111\u1ed3ng nghi\u1ec7p t\u1eeb Bergakademie Freibergin Saxony v\u00e0 Vi\u1ec7n Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t Leibniz \u1edf Leipzig, \u0110\u1ee9c v\u00e0 \u0110\u1ea1i h\u1ecdc Banaras Hindu \u1edf \u1ea4n \u0110\u1ed9 nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ef9 thu\u1eadt, s\u1eed d\u1ee5ng ki\u1ebfn \u200b\u200btr\u00fac t\u1ebf b\u00e0o m\u1edbi, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nanocomposites<\/a>.<\/p>\n\n\n\n

Trong th\u00ed nghi\u1ec7m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u1ecfng, \u0111\u01a1n l\u1ebb c\u1ee7a v\u1eadt li\u1ec7u oxit \u0111i\u1ec3n h\u00ecnh – m\u1ed7i l\u1edbp ch\u1ec9 d\u00e0y v\u00e0i nanomet v\u00e0 x\u1ebfp ch\u1ed3ng l\u00ean nhau c\u00f9ng c\u00e1c c\u1ed9t nano NiO trong m\u1ed9t ma tr\u1eadn nhi\u1ec1u l\u1edbp. TS Bhatnagar gi\u1ea3i th\u00edch, c\u00e1c d\u1ea3i oxit niken (NiO) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t “l\u00e0n \u0111\u01b0\u1eddng nhanh” cho c\u00e1c electron, \u0111\u01b0\u1ee3c t\u1ea1o ra khi n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng.<\/p>\n\n\n\n

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  Gi\u1ea3n \u0111\u1ed3 c\u1ea5u tr\u00fac m\u1edbi: c\u00e1c s\u1ecdc niken oxit ch\u1ea1y vu\u00f4ng g\u00f3c v\u1edbi v\u1eadt li\u1ec7u th\u1ef1c, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t l\u00e0n \u0111\u01b0\u1eddng c\u1ee7a c\u00e1c electron. \u1ea2nh Lutz M\u00fchlenbein.<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, nh\u1edd c\u00f3 c\u00e1c l\u00e0n \u0111\u01b0\u1eddng n\u00e0y, d\u00f2ng \u0111i\u1ec7n \u0111\u1ebfn \u0111i\u1ec7n c\u1ef1c trong pin m\u1eb7t tr\u1eddi nhanh h\u01a1n do b\u1ecf qua \u0111i\u1ec7n tr\u1edf m\u00e0 c\u00e1c electron ri\u00eang l\u1ebb g\u1eb7p ph\u1ea3i khi \u0111i qua t\u1eebng l\u1edbp ri\u00eang l\u1ebb m\u00e0 kh\u00f4ng c\u00f3 d\u1ea3i oxit niken.<\/p>\n\n\n\n

V\u1edbi ki\u1ebfn \u200b\u200btr\u00fac d\u1ef1a tr\u00ean t\u1ed5 h\u1ee3p 3 chi\u1ec1u nano m\u1edbi, c\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c, nh\u1eefng t\u1ebf b\u00e0o n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i cho s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n t\u0103ng g\u1ea5p 5 l\u1ea7n so v\u1edbi ki\u1ebfn \u200b\u200btr\u00fac truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

Theo M\u00fchlenbein, v\u1eadt li\u1ec7u s\u1ebd t\u1ef1 t\u1ea1o ra c\u1ea5u tr\u00fac mong mu\u1ed1n n\u00e0y. Kh\u00f4ng c\u1ea7n nh\u1eefng \u0111i\u1ec1u ki\u1ec7n t\u00e1c \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t b\u00ean ngo\u00e0i n\u00e0o \u0111\u1ec3 bu\u1ed9c v\u1eadt li\u1ec7u chuy\u1ec3n v\u00e0o tr\u1ea1ng th\u00e1i n\u00e0y.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng cho r\u1eb1ng, gi\u1ea3i ph\u00e1p ki\u1ebfn \u200b\u200btr\u00fac m\u1edbi c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c l\u00e0m d\u1ea3i “l\u00e0n \u0111\u01b0\u1eddng nhanh” ngo\u00e0i oxit niken \u0111\u00e3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0110\u1ee9c \u0111\u01b0a ra \u0111\u1ec1 xu\u1ea5t li\u00ean k\u1ebft ph\u1ed1i h\u1ee3p nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y cho pin m\u1eb7t tr\u1eddi tr\u00ean quy m\u00f4 c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

Theo\u00a0SciensceTimes<\/p>\n\n\n\n

TH\u00c1I B\u1eb0NG<\/strong><\/p>\n\n\n\n

https:\/\/khoahocdoisong.vn\/ky-thuat-nanocomposit-tang-hieu-qua-cua-pin-dien-mat-troi-164951.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00f3m nh\u00e0 khoa h\u1ecdc qu\u1ed1c t\u1ebf \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ef9 thu\u1eadt m\u1edbi ch\u1ebf t\u1ea1o pin m\u1eb7t tr\u1eddi v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1eb7c bi\u1ec7t trong m\u1ed9t c\u1ea5u tr\u00fac, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nanocomposit c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 c\u1ee7a pin. C\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi tr\u00ean m\u00e1i […]<\/p>\n","protected":false},"author":23,"featured_media":26761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26760","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\/26760","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26760"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26760\/revisions"}],"predecessor-version":[{"id":30930,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26760\/revisions\/30930"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26761"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}