Pin Lithium-ion hi\u1ec7n \u0111\u1ee9ng \u0111\u1ea7u trong c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng, s\u1eed d\u1ee5ng cho t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111i\u1ec7n t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn \u00f4 t\u00f4. Nh\u01b0ng lithium t\u01b0\u01a1ng \u0111\u1ed1i hi\u1ebfm, chi ph\u00ed khai th\u00e1c v\u00e0 tinh ch\u1ebf n\u00f3 qu\u00e1 cao cho c\u00e1c \u1ee9ng d\u1ee5ng quy m\u00f4 l\u1edbn. Vi\u1ec7c t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p thay th\u1ebf r\u1ebb h\u01a1n \u0111\u00e3 d\u1eabn k\u1ebft qu\u1ea3 \u0111\u1ebfn s\u1eed d\u1ee5ng mu\u1ed1i th\u00f4ng th\u01b0\u1eddng, v\u00e0 m\u1edbi \u0111\u00e2y, nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Stanford \u0111\u00e3 ph\u00e1t tri\u1ec3n pin natri ion v\u01b0\u1ee3t tr\u1ed9i h\u01a1n pin lithium-ion v\u1ec1 v\u1ea5n \u0111\u1ec1 chi ph\u00ed tr\u00ean m\u1ed7i dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef.<\/p>\n
Mu\u1ed1i c\u00f3 \u1edf kh\u1eafp m\u1ecdi n\u01a1i v\u00e0 kh\u1ea3 n\u0103ng t\u00edch \u0111i\u1ec7n l\u00e0m n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u1ee9ng c\u1eed vi\u00ean d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng chi ph\u00ed th\u1ea5p ho\u00e0n h\u1ea3o. Pin natri \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u00ecnh th\u1ee9c kh\u00e1c nhau, t\u1eeb \u0111\u1ecbnh d\u1ea1ng 18650 chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y t\u00ednh x\u00e1ch tay, \u0111\u1ebfn thi\u1ebft k\u1ebf m\u1edbi l\u1ea1 v\u1edbi c\u1ef1c d\u01b0\u01a1ng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng l\u00e1 s\u1ed3i \u0111\u01b0\u1ee3c carbon h\u00f3a.<\/p>\n
Thi\u1ebft k\u1ebf c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u Stanford s\u1eed d\u1ee5ng c\u1ef1c \u00e2m mu\u1ed1i natri, c\u00e1c ion natri t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng li\u00ean k\u1ebft v\u1edbi c\u00e1c ion myo-inositol t\u00edch \u0111i\u1ec7n \u00e2m, v\u00e0 c\u1ef1c d\u01b0\u01a1ng ph\u1ed1t pho – t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 c\u00e1c nguy\u00ean li\u1ec7u t\u1ef1 nhi\u00ean d\u1ed3i d\u00e0o. Nh\u00f3m cho bi\u1ebft h\u1ecd \u0111\u00e3 nghi\u00ean c\u1ee9u c\u00e1c l\u1ef1c c\u1ea5p nguy\u00ean t\u1eed v\u1ec1 c\u00e1ch c\u00e1c ion natri g\u1eafn v\u00e0o v\u00e0 t\u00e1ch ra kh\u1ecfi c\u1ef1c \u00e2m, \u0111\u1ec3 c\u1ea3i thi\u1ec7n chu tr\u00ecnh s\u1ea1c – x\u1ea3.<\/p>\n
K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c l\u00e0 c\u1ef1c \u00e2m c\u1ee7a pin natri ion c\u00f3 c\u00f4ng su\u1ea5t \u0111\u1ea3o chi\u1ec1u 484 mAh g-1, v\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng l\u00e0 726 Wh kg-1. Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng c\u1ee7a pin m\u1edbi \u0111\u01b0\u1ee3c cho l\u00e0 h\u01a1n 87%, song song v\u1edbi y\u1ebfu t\u1ed1 chi ph\u00ed, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft pin natri ion c\u0169ng c\u00f3 th\u1ec3 c\u1ea1nh tranh v\u1edbi pin lithium-ion v\u1ec1 hi\u1ec7u su\u1ea5t , nh\u01b0ng s\u1ebd c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n pin lithium-ion 80% v\u1edbi dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n
C\u00e1c b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 th\u1eed nghi\u1ec7m v\u1edbi anode ph\u1ed1t pho, \u0111\u1ec3 thu \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao h\u01a1n t\u1eeb ion natri. \u0110\u1ec3 so s\u00e1nh s\u00e1ng t\u1ea1o c\u1ee7a h\u1ecd v\u1edbi pin lithium-ion, nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng s\u1ebd ki\u1ec3m tra m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng th\u1ec3 t\u00edch c\u1ee7a thi\u1ebft b\u1ecb, x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 l\u1edbn c\u1ee7a pin c\u1ea7n \u0111\u1ec3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh.<\/p>\n
N.K.L (NASATI), theo http:\/\/newatlas.com\/sodium-ion-battery-cheaper-lithium\/51682\/<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" Pin Lithium-ion hi\u1ec7n \u0111\u1ee9ng \u0111\u1ea7u trong c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng, s\u1eed d\u1ee5ng cho t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111i\u1ec7n t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn \u00f4 t\u00f4. Nh\u01b0ng lithium t\u01b0\u01a1ng \u0111\u1ed1i hi\u1ebfm, chi ph\u00ed khai th\u00e1c v\u00e0 tinh ch\u1ebf n\u00f3 qu\u00e1 cao cho c\u00e1c \u1ee9ng d\u1ee5ng quy m\u00f4 l\u1edbn. Vi\u1ec7c t\u00ecm […]<\/p>\n","protected":false},"author":18,"featured_media":7695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7694","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\/7694","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7694"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7694\/revisions"}],"predecessor-version":[{"id":7698,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7694\/revisions\/7698"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/7695"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}