{"id":42112,"date":"2019-03-18T00:00:00","date_gmt":"2019-03-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novyj-nanoporistyj-material-obeshhaet-uluchshit-batarei-i-katalizatory"},"modified":"2020-02-18T13:44:54","modified_gmt":"2020-02-18T10:44:54","slug":"novyj-nanoporistyj-material-obeshhaet-uluchshit-batarei-i-katalizatory","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/novyj-nanoporistyj-material-obeshhaet-uluchshit-batarei-i-katalizatory","title":{"rendered":"Un nou material nanoporos promite \u00eembun\u0103t\u0103\u021birea bateriilor \u0219i a catalizatorilor","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Centrul de cercetare belgian Imec a anun\u021bat dezvoltarea unei tehnologii ieftine pentru producerea unui material nanoporoas\u0103 cu propriet\u0103\u021bi deosebite. Materialul unic, av\u00e2nd o structur\u0103 nanoporoas\u0103, prezint\u0103 o porozitate extrem de ridicat\u0103 \u0219i o rela\u021bie f\u0103r\u0103 precedent \u00eentre suprafa\u021b\u0103 \u0219i volum. Imagineaz\u0103-\u021bi o mic\u0103 conserv\u0103 de b\u0103utur\u0103 carbogazoas\u0103, \u00een care 75 % din con\u021binut const\u0103 \u00een goluri cu o suprafa\u021b\u0103 total\u0103 echivalent\u0103 cu un teren de fotbal. \u00cen plus, produc\u021bia materialului este relativ simpl\u0103 \u0219i economic\u0103, iar la baza sa pot fi utilizate aproape orice metale. Astfel, domeniul de aplicare al acestui tip de material nanoporoas\u0103 poate fi extrem de vast.<\/p>\n

\"Un<\/p>\n

Totu\u0219i, utilizarea principal\u0103 a noului material cu structur\u0103 nanoporoas\u0103 \u0219i zon\u0103 intern\u0103 mare este \u00een reac\u021biile chimice care necesit\u0103 suprafe\u021be mari pentru a accelera reac\u021biile. De exemplu, acestea pot include bateriile litiu-ion, \u00een care cre\u0219terea suprafe\u021bei de reac\u021bie pentru transformarea litiului \u00een ionii de litiu duce la o putere \u0219i eficien\u021b\u0103 mai mare. De asemenea, natura metalic\u0103 a nanomaterialului permite conectarea direct\u0103 a contactelor de extragere a curentului. Materialul poros va \u00eembun\u0103t\u0103\u021bi, de asemenea, func\u021bionarea celulelor de combustie \u0219i a sistemelor pentru ob\u021binerea hidrogenului din ap\u0103. \u00cen locul unei membrane catalitice din nichel expandat cu o grosime de aproximativ un milimetru, de exemplu, noul material este de 300 de ori mai sub\u021bire, dar ofer\u0103 acela\u0219i efect ca nichelul. Energia verde \u0219i bateriile pot avea \u0219ansa de a \u00eembun\u0103t\u0103\u021bi semnificativ tehnologiile \u0219i solu\u021biile.<\/p>\n

\"Un
\n<\/center><\/p>\n

\u00cen produc\u021bie, noul material este destul de simplu, a\u0219a cum s-a men\u021bionat mai sus. La \u00eenceput, din folie de aluminiu, se fabric\u0103 o form\u0103 prin anodizare. Apoi, se activeaz\u0103 procesul de galvanizare cu dozare precis\u0103 a aluminiului metalic (sau a altui metal). Dup\u0103 umplerea golurilor din form\u0103, aceasta este dizolvat\u0103, eliber\u00e2nd structura spa\u021bial\u0103 din nanofibra. Banda de material nanoporos arat\u0103 ca o folie. Se \u00eendoaie \u0219i nu se \u00ee quebr\u0103, spre deosebire de materialele nanoporoase moderne fabricate prin alte metode. A\u0219tept\u0103m implementarea practic\u0103. Avem nevoie tot mai mult de acelea\u0219i baterii.<\/p>\n

\"Un<\/p>\n

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Sursa: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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