{"id":26940,"date":"2021-06-25T14:26:53","date_gmt":"2021-06-25T07:26:53","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=26940"},"modified":"2022-02-10T09:13:30","modified_gmt":"2022-02-10T02:13:30","slug":"cong-nghe-pin-moi-cho-o-to-dien-bay","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cong-nghe-pin-moi-cho-o-to-dien-bay\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 pin m\u1edbi cho \u00f4 t\u00f4 \u0111i\u1ec7n bay"},"content":{"rendered":"\n

\u00d4 t\u00f4 \u0111i\u1ec7n bay l\u00e0 xu h\u01b0\u1edbng v\u1eadn chuy\u1ec3n t\u1ea5t y\u1ebfu c\u1ee7a t\u01b0\u01a1ng lai, nh\u01b0ng kh\u00f3 kh\u0103n then ch\u1ed1t c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n ti\u00ean ti\u1ebfn n\u00e0y l\u00e0 pin \u0111i\u1ec7n v\u1edbi nh\u1eefng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt r\u1ea5t kh\u00f3 kh\u0103n. Nh\u00f3m k\u1ef9 s\u01b0 thu\u1ed9c \u0111\u1ea1i h\u1ecdc Penn State \u0111\u01b0a ra m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed9t ph\u00e1 gi\u1ea3i quy\u1ebft m\u1ed9t ph\u1ea7n kh\u00f3 kh\u0103n n\u00e0y.<\/strong><\/h2>\n\n\n\n

M\u00e1y bay c\u1ea5t v\u00e0 h\u1ea1 c\u00e1nh th\u1eb3ng \u0111\u1ee9ng b\u1eb1ng \u0111i\u1ec7n (eVTOL) ng\u00e0y c\u00e0ng thu h\u00fat s\u1ef1 quan t\u00e2m \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1eefng d\u1ecbch v\u1ee5 v\u1eadn chuy\u1ec3n h\u00e0ng kh\u00f4ng \u0111\u00f4 th\u1ecb. C\u00f4ng ty t\u01b0 v\u1ea5n qu\u1ea3n l\u00fd Roland Berger t\u1ea1i Munich, \u0110\u1ee9c cho bi\u1ebft: Hi\u1ec7n \u0111ang c\u00f3 95 d\u1ef1 \u00e1n eVTOL, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

Nh\u01b0ng ph\u00e1t tri\u1ec3n pin cho \u00f4 t\u00f4 bay \u0111i\u1ec7n l\u00e0 m\u1ed9t kh\u00f3 kh\u0103n l\u1edbn. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u1ea3i gi\u1edbi h\u1ea1n v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng pin cho \u00f4 t\u00f4 bay. Pin \u0111i\u1ec7n ph\u1ea3i cung c\u1ea5p c\u00f4ng su\u1ea5t r\u1ea5t cao trong khi ph\u01b0\u01a1ng ti\u1ec7n bay l\u00ean v\u00e0 h\u1ea1 c\u00e1nh. Pin \u0111i\u1ec7n c\u0169ng c\u1ea7n m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao \u0111\u1ec3 duy tr\u00ec trong  kho\u1ea3ng th\u1eddi gian bay.<\/p>\n\n\n\n

M\u00f4 h\u00ecnh th\u01b0\u01a1ng m\u1ea1i cho m\u00e1y bay eVTOL ban \u0111\u1ea7u s\u1ebd l\u00e0 d\u1ecbch v\u1ee5 taxi h\u00e0ng kh\u00f4ng, n\u00ean pin \u0111i\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c s\u1ea1c l\u1ea1i nhanh v\u00e0 th\u01b0\u1eddng xuy\u00ean, cho ph\u00e9p taxi bay \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u kh\u00e1ch h\u00e0ng trong gi\u1edd cao \u0111i\u1ec3m.<\/p>\n\n\n\n

Pin lithium-ion<\/a> suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng khi \u0111\u01b0\u1ee3c s\u1ea1c nhanh \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng d\u01b0\u1edbi 50 \u0111\u1ed9 F (10 \u0111\u1ed9 C) do c\u00e1c h\u1ea1t liti s\u1ebd l\u1eafng \u0111\u1ecdng th\u00e0nh c\u00e1c gai tr\u00ean b\u1ec1 m\u1eb7t c\u1ef1c d\u01b0\u01a1ng. L\u1edbp m\u1ea1 lithium n\u00e0y l\u00e0m gi\u1ea3m dung l\u01b0\u1ee3ng pin, g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch v\u00e0 n\u1ed5. Pin khi l\u00e0m n\u00f3ng tr\u00ean ng\u01b0\u1ee1ng m\u1ea1 lithium, s\u1ebd kh\u00f4ng th\u1ec3 hi\u1ec7n l\u1edbp m\u1ea1 lithium. <\/p>\n\n\n\n

Chao-Yang Wang, Ch\u1ee7 t\u1ecbch ng\u00e0nh k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed, gi\u00e1o s\u01b0 k\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc, gi\u00e1o s\u01b0 khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u, Gi\u00e1m \u0111\u1ed1c Trung t\u00e2m \u0110\u1ed9ng c\u01a1 \u0110i\u1ec7n h\u00f3a t\u1ea1i tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc Penn State M\u1ef9 cho bi\u1ebft, m\u1ed7i m\u00e1y bay c\u00f3 th\u1ec3 ph\u1ea3i th\u1ef1c hi\u1ec7n 15 chuy\u1ebfn \u0111i trong gi\u1edd cao \u0111i\u1ec3m bu\u1ed5i s\u00e1ng v\u00e0 15 chuy\u1ebfn kh\u00e1c v\u00e0o gi\u1edd cao \u0111i\u1ec3m bu\u1ed5i t\u1ed1i \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 thu l\u1ee3i, v\u00ed d\u1ee5 nh\u01b0 t\u1eeb trong th\u00e0nh ph\u1ed1 \u0111\u1ebfn s\u00e2n bay, ch\u1edf ba \u0111\u1ebfn b\u1ed1n kh\u00e1ch h\u00e0ng v\u1edbi kho\u1ea3ng 80km.<\/p>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, nh\u00f3m nh\u00e0 khoa h\u1ecdc c\u1ee7a GS Chao-Yang Wang ph\u00e1t tri\u1ec3n nguy\u00ean m\u1eabu pin, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c chuy\u1ebfn bay c\u1ee7a eVTOL c\u00f3 \u0111\u1ed9 d\u00e0i 80 km, m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng 271kWh cho m\u1ed7i kg. Nh\u1eefng pin lithium-ion n\u00e0y duy tr\u00ec h\u01a1n 2.000 chu k\u1ef3 s\u1ea1c nhanh trong su\u1ed1t th\u1eddi gian s\u1eed d\u1ee5ng v\u00e0 s\u1ea1c l\u1ea1i ch\u1ec9 m\u1ea5t 5 – 10 ph\u00fat.<\/p>\n\n\n\n

Pin \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf tr\u00ean c\u00f4ng ngh\u1ec7 m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t tri\u1ec3n cho c\u00e1c lo\u1ea1i xe \u0111i\u1ec7n ti\u00eau chu\u1ea9n, t\u00edch h\u1ee3p c\u00e1c l\u00e1 niken m\u1ecfng 10 micron, m\u1ed9t \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o c\u1ef1c \u00e2m v\u00e0 \u0111\u1ea7u kia k\u00e9o d\u00e0i ra b\u00ean ngo\u00e0i pin t\u1ea1o ra \u0111\u1ea7u cu\u1ed1i th\u1ee9 ba. M\u1ed9t c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, g\u1eafn v\u1edbi m\u1ed9t c\u00f4ng t\u1eafc cho d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua l\u00e1 niken ho\u00e0n th\u00e0nh m\u1ea1ch \u0111i\u1ec7n. \u0110i\u1ec7n t\u00edch l\u00e0m n\u00f3ng l\u00e1 niken b\u1eb1ng \u0111i\u1ec7n tr\u1edf, khi\u1ebfn khi s\u1ea1c, pin nhanh ch\u00f3ng n\u00f3ng l\u00ean \u0111\u1ebfn 60 \u0111\u1ed9 C. Sau khi s\u1ea1c xong, pin \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t b\u1eb1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a trong xe \u00f4 t\u00f4 bay. Ngo\u00e0i ra, nguy\u00ean m\u1eabu pin \u0111i\u1ec7n cho eVTOL khi l\u00e0m n\u00f3ng s\u1ebd x\u1ea3 h\u1ebft \u0111i\u1ec7n n\u0103ng c\u00f2n l\u1ea1i, l\u00e0m gi\u1ea3m \u0111i\u1ec7n tr\u1edf trong, nh\u1edd \u0111\u00f3 c\u00f3 th\u1ec3 s\u1ea1c l\u1ea1i nhanh.<\/p>\n\n\n\n

\"\"<\/td><\/tr>
S\u01a1 \u0111\u1ed3 s\u1ea1c c\u1ee7a m\u1ed9t pin \u0111i\u1ec7n, c\u00e1c i-on ch\u1ea1y t\u1eeb c\u1ef1c \u00e2m sang c\u1ef1c d\u01b0\u01a1ng, t\u1ea1o th\u00e0nh<\/em>
\u0111i\u1ec7n n\u0103ng cho pin.<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Theo GS Chao-Yang Wang, k\u1ef9 thu\u1eadt t\u1ef1 l\u00e0m n\u00f3ng c\u1ee7a pin c\u00f3 t\u1ed1c \u0111\u1ed9 l\u00e0m n\u00f3ng t\u1eeb 1 – 5 \u0111\u1ed9 C m\u1ed7i gi\u00e2y, ti\u00eau th\u1ee5 0,8% n\u0103ng l\u01b0\u1ee3ng pin cho m\u1ed7i l\u1ea7n t\u0103ng 10 \u0111\u1ed9 C. \u0110\u1ed3ng th\u1eddi, l\u00e1 niken \u0111\u01b0\u1ee3c nh\u00fang ch\u1ec9 th\u00eam 1,5% tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 th\u1ec3 t\u00edch, chi ph\u00ed b\u1eb1ng 0,3% cho m\u1ed9t pin \u0111i\u1ec7n.<\/p>\n\n\n\n

Nh\u00f3m nh\u00e0 khoa h\u1ecdc c\u1ee7a GS Chao-Yang Wang \u0111\u00e3 nghi\u00ean c\u1ee9u h\u01a1n 10 n\u0103m \u0111\u1ec3 \u0111\u01b0a \u00fd t\u01b0\u1edfng l\u00e0m n\u00f3ng pin \u0111\u1ebfn ho\u00e0n thi\u1ec7n c\u00e1c nguy\u00ean m\u1eabu pin kh\u00e1c nhau hi\u1ec7n nay. Th\u00e1ch th\u1ee9c l\u1edbn nh\u1ea5t m\u00e0 nh\u00f3m khoa h\u1ecdc ph\u1ea3i \u0111\u1ed1i m\u1eb7t l\u00e0 gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a pin \u0111\u1ebfn t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u hi\u1ec7n \u0111ang \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y cho c\u00e1c pin h\u00f3a h\u1ecdc v\u1edbi m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng l\u1edbn h\u01a1n. C\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t tri\u1ec3n th\u1ebf h\u1ec7 pin v\u1edbi m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng 350 – 400kWh cho m\u1ed7i kg kh\u1ed1i l\u01b0\u1ee3ng, gi\u1ea3m chi ph\u00ed xu\u1ed1ng c\u00f2n 50USD cho m\u1ed7i kWh, duy tr\u00ec th\u1eddi gian s\u1ea1c t\u1eeb 5 – 10 ph\u00fat.<\/p>\n\n\n\n

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

https:\/\/khoahocdoisong.vn\/cong-nghe-pin-moi-cho-o-to-dien-bay-173099.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00d4 t\u00f4 \u0111i\u1ec7n bay l\u00e0 xu h\u01b0\u1edbng v\u1eadn chuy\u1ec3n t\u1ea5t y\u1ebfu c\u1ee7a t\u01b0\u01a1ng lai, nh\u01b0ng kh\u00f3 kh\u0103n then ch\u1ed1t c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n ti\u00ean ti\u1ebfn n\u00e0y l\u00e0 pin \u0111i\u1ec7n v\u1edbi nh\u1eefng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt r\u1ea5t kh\u00f3 kh\u0103n. Nh\u00f3m k\u1ef9 s\u01b0 thu\u1ed9c \u0111\u1ea1i h\u1ecdc Penn State \u0111\u01b0a ra m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed9t ph\u00e1 gi\u1ea3i […]<\/p>\n","protected":false},"author":23,"featured_media":26941,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26940","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\/26940","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=26940"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26940\/revisions"}],"predecessor-version":[{"id":30991,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26940\/revisions\/30991"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26941"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}