![\"\"](\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_5\/22-05-2019\/8.jpg\")
<\/figure><\/div>\n\n\n\nC\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o kh\u00f4ng ph\u00e1t ra carbon dioxide, v\u00ec v\u1eady ch\u00fang kh\u00f4ng g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u – nh\u01b0ng ch\u00fang ch\u1ec9 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng khi m\u1eb7t tr\u1eddi chi\u1ebfu s\u00e1ng ho\u1eb7c gi\u00f3 th\u1ed5i. \u0110\u1ec3 ch\u00fang tr\u1edf th\u00e0nh ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady cho m\u1ea1ng l\u01b0\u1edbi n\u0103ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t khu v\u1ef1c, c\u1ea7n c\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng d\u01b0 th\u1eeba \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi v\u00e0 gi\u00f3.<\/p>\n\n\n\n
C\u00e1c c\u00f4ng ty, nh\u00e0 khoa h\u1ecdc v\u00e0 ch\u00ednh ph\u1ee7 tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi \u0111ang nghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef, t\u1eeb pin lithium-ion – phi\u00ean b\u1ea3n l\u1edbn h\u01a1n pin c\u1ee7a nhi\u1ec1u lo\u1ea1i xe \u0111i\u1ec7n – cho \u0111\u1ebfn pin kh\u1ed5ng l\u1ed3 c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t c\u1eeda h\u00e0ng l\u1edbn \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng vanadi kim lo\u1ea1i.<\/p>\n\n\n\n
Pin kali-oxy l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ec1m n\u0103ng cho vi\u1ec7c l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng k\u1ec3 t\u1eeb khi ch\u00fang \u0111\u01b0\u1ee3c ph\u00e1t minh v\u00e0o n\u0103m 2013. M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb bang Ohio, d\u1eabn \u0111\u1ea7u b\u1edfi gi\u00e1o s\u01b0 h\u00f3a h\u1ecdc Yiying Wu, \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng pin c\u00f3 th\u1ec3 hi\u1ec7u qu\u1ea3 h\u01a1n pin lithium-oxy trong khi l\u01b0u tr\u1eef \u0111\u1ed3ng th\u1eddi kho\u1ea3ng g\u1ea5p \u0111\u00f4i n\u0103ng l\u01b0\u1ee3ng nh\u01b0 pin lithium-ion hi\u1ec7n c\u00f3. Nh\u01b0ng pin kali-oxy ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng b\u1edfi v\u00ec, cho \u0111\u1ebfn nay, ch\u00fang v\u1eabn ch\u01b0a th\u1ec3 s\u1ea1c l\u1ea1i \u0111\u1ee7 th\u1eddi gian \u0111\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n
Khi c\u00e1c \u0111\u1ed9i c\u1ed1 g\u1eafng t\u1ea1o ra m\u1ed9t pin kali-oxy c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef kh\u1ea3 thi, h\u1ecd ti\u1ebfp t\u1ee5c g\u1eb7p m\u1ed9t r\u00e0o c\u1ea3n: Pin xu\u1ed1ng c\u1ea5p v\u1edbi m\u1ed7i l\u1ea7n s\u1ea1c, kh\u00f4ng bao gi\u1edd k\u00e9o d\u00e0i qu\u00e1 n\u0103m ho\u1eb7c 10 chu k\u1ef3 s\u1ea1c – m\u1ed1c \u0111\u1ee7 xa \u0111\u1ec3 t\u1ea1o ra pin c\u00f3 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng. S\u1ef1 xu\u1ed1ng c\u1ea5p \u0111\u00f3 \u0111\u00e3 x\u1ea3y ra do oxy len l\u1ecfi v\u00e0o c\u1ef1c d\u01b0\u01a1ng c\u1ee7a pin – n\u01a1i cho ph\u00e9p c\u00e1c electron s\u1ea1c thi\u1ebft b\u1ecb, c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng ho\u1eb7c l\u01b0\u1edbi \u0111i\u1ec7n. Oxy \u0111\u00e3 l\u00e0m cho c\u1ef1c d\u01b0\u01a1ng b\u1ecb ph\u00e1 v\u1ee1, khi\u1ebfn cho pin kh\u00f4ng c\u00f2n c\u00f3 th\u1ec3 cung c\u1ea5p \u0111i\u1ec7n t\u00edch.<\/p>\n\n\n\n
Paul Gilmore, m\u1ed9t \u1ee9ng c\u1eed vi\u00ean ti\u1ebfn s\u0129 trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a Sundaresan, b\u1eaft \u0111\u1ea7u k\u1ebft h\u1ee3p c\u00e1c polyme v\u00e0o c\u1ef1c \u00e2m \u0111\u1ec3 xem li\u1ec7u c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 c\u1ef1c d\u01b0\u01a1ng kh\u1ecfi oxy hay kh\u00f4ng. N\u1ebfu l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, pin kali-oxy s\u1ebd t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n. K\u1ebft qu\u1ea3 l\u00e0 nh\u00f3m nghi\u00ean c\u1ee9u nh\u1eadn ra r\u1eb1ng ch\u00eca kh\u00f3a ch\u00ednh l\u00e0 c\u00e1ch \u0111\u01b0a oxy v\u00e0o pin – c\u1ea7n thi\u1ebft \u0111\u1ec3 n\u00f3 ho\u1ea1t \u0111\u1ed9ng – m\u00e0 kh\u00f4ng cho ph\u00e9p oxy th\u1ea5m v\u00e0o c\u1ef1c d\u01b0\u01a1ng.<\/p>\n\n\n\n
Thi\u1ebft k\u1ebf n\u00e0y ho\u1ea1t \u0111\u1ed9ng h\u01a1i gi\u1ed1ng ph\u1ed5i c\u1ee7a con ng\u01b0\u1eddi: Kh\u00f4ng kh\u00ed \u0111i v\u00e0o pin th\u00f4ng qua l\u1edbp carbon s\u1ee3i, sau \u0111\u00f3 g\u1eb7p l\u1edbp th\u1ee9 hai h\u01a1i x\u1ed1p v\u00e0 cu\u1ed1i c\u00f9ng k\u1ebft th\u00fac \u1edf l\u1edbp th\u1ee9 ba, h\u1ea7u nh\u01b0 kh\u00f4ng x\u1ed1p. L\u1edbp th\u1ee9 ba \u0111\u00f3, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb polymer d\u1eabn, cho ph\u00e9p c\u00e1c ion kali di chuy\u1ec3n kh\u1eafp c\u1ef1c \u00e2m, nh\u01b0ng h\u1ea1n ch\u1ebf oxy ph\u00e2n t\u1eed \u0111i v\u00e0o c\u1ef1c d\u01b0\u01a1ng. Thi\u1ebft k\u1ebf n\u00e0y gi\u00fap pin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea1c \u00edt nh\u1ea5t 125 l\u1ea7n – mang l\u1ea1i cho pin kali-oxy c\u00f3 tu\u1ed5i th\u1ecd g\u1ea5p 12 l\u1ea7n tu\u1ed5i th\u1ecd tr\u01b0\u1edbc \u0111\u00e2y v\u1edbi c\u00e1c ch\u1ea5t \u0111i\u1ec7n ph\u00e2n gi\u00e1 r\u1ebb.<\/p>\n\n\n\n
Ph\u00e1t hi\u1ec7n n\u00e0y cho th\u1ea5y t\u00ednh kh\u1ea3 thi trong vi\u1ec7c s\u1ea3n xu\u1ea5t pin \u1edf quy m\u00f4 l\u1edbn nh\u1eb1m m\u1ee5c \u0111\u00edch l\u01b0u tr\u1eef \u0111i\u1ec7n sinh ho\u1ea1t.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ebf t\u1ea1o ra m\u1ed9t lo\u1ea1i pin kali-oxy hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111\u00e1ng tin c\u1eady h\u01a1n, m\u1ed9t b\u01b0\u1edbc ti\u1ebfn t\u1edbi m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n c\u1ee7a qu\u1ed1c gia v\u00e0 pin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e2u h\u01a1n trong \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh x\u00e1ch […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28373","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28373","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=28373"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28373\/revisions"}],"predecessor-version":[{"id":28374,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28373\/revisions\/28374"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}