{"id":2047,"date":"2020-10-29T02:36:17","date_gmt":"2020-10-29T02:36:17","guid":{"rendered":"https:\/\/grapheneljsc.com\/?page_id=2047"},"modified":"2021-03-05T03:25:27","modified_gmt":"2021-03-05T03:25:27","slug":"battery-graphene","status":"publish","type":"page","link":"https:\/\/grapheneljsc.com\/vi\/battery-graphene\/","title":{"rendered":"N\u0103ng l\u01b0\u1ee3ng\/Graphene"},"content":{"rendered":"
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\"Pin graphene \u0111ang t\u1eebng b\u01b0\u1edbc c\u00e1ch m\u1ea1ng h\u00f3a ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng to\u00e0n c\u1ea7u.\"<\/div>\n\t\t\t\n\t\t\t\t\t\t
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SAMSUNG<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
R&D Laboratory<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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N\u0102NG L\u01af\u1ee2NG<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tr\u01b0\u1edbc b\u1ed1i c\u1ea3nh nhu c\u1ea7u v\u1ec1 n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch gia t\u0103ng v\u00e0 nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu to\u00e0n c\u1ea7u, gi\u1edbi nghi\u00ean c\u1ee9u \u0111ang t\u00edch c\u1ef1c ph\u00e1t tri\u1ec3n c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng b\u1ec1n v\u1eefng c\u00f9ng c\u00f4ng ngh\u1ec7 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u su\u1ea5t cao. Trong \u0111\u00f3, c\u00f4ng ngh\u1ec7 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng thu h\u00fat s\u1ef1 quan t\u00e2m \u0111\u1eb7c bi\u1ec7t c\u1ea3 v\u1ec1 m\u1eb7t h\u1ecdc thu\u1eadt l\u1eabn \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. N\u1ed5i b\u1eadt l\u00e0 pin nhi\u00ean li\u1ec7u \u2013 thi\u1ebft b\u1ecb chuy\u1ec3n h\u00f3a tr\u1ef1c ti\u1ebfp nhi\u00ean li\u1ec7u th\u00e0nh \u0111i\u1ec7n n\u0103ng nh\u1edd hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i v\u01b0\u1ee3t tr\u1ed9i, v\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n, ph\u00e1t th\u1ea3i th\u1ea5p\/kh\u00f4ng ch\u1ee9a ch\u1ea5t \u0111\u1ed9c h\u1ea1i, \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng then ch\u1ed1t trong t\u01b0\u01a1ng lai.<\/p>

Vi\u1ec7c ph\u00e1t tri\u1ec3n ch\u1ea5t x\u00fac t\u00e1c \u0111i\u1ec7n h\u00f3a (electrocatalyst) gi\u00e1 r\u1ebb, \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u su\u1ea5t cao \u0111\u1ec3 \u0111\u1ea9y nhanh ph\u1ea3n \u1ee9ng kh\u1eed oxy (ORR) l\u00e0 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 quan tr\u1ecdng cho pin nhi\u00ean li\u1ec7u hi\u1ec7n nay. N\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o thay th\u1ebf Pt v\u00e0 kim lo\u1ea1i qu\u00fd b\u1eb1ng v\u1eadt li\u1ec7u d\u1ed3i d\u00e0o, phi qu\u00fd gi\u00e1. Graphene (GR) n\u1ed5i b\u1eadt v\u1edbi vai tr\u00f2 v\u1eadt li\u1ec7u n\u1ec1n nh\u1edd \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao v\u00e0 ho\u1ea1t t\u00ednh \u0111i\u1ec7n h\u00f3a m\u1ea1nh. \u0110\u1eb7c bi\u1ec7t, vi\u1ec7c \u0111\u01b0a c\u00e1c nguy\u00ean t\u1ed1 d\u1ecb th\u1ec3 nh\u01b0 boron (B), nit\u01a1 (N), l\u01b0u hu\u1ef3nh (S) v\u00e0o c\u1ea5u tr\u00fac GR gi\u00fap \u0111i\u1ec1u ch\u1ec9nh t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc, \u0111i\u1ec7n v\u00e0 x\u00fac t\u00e1c c\u1ee7a v\u1eadt li\u1ec7u. S\u1ef1 thay \u0111\u1ed5i c\u1ea5u tr\u00fac \u0111i\u1ec7n t\u1eed GR c\u00f2n t\u1ea1o ra nhi\u1ec1u v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n h\u00f3a, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ORR. K\u1ebft qu\u1ea3: Pin nhi\u00ean li\u1ec7u t\u0103ng hi\u1ec7u n\u0103ng >70%, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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T\u1ebf b\u00e0o nhi\u00ean li\u1ec7u t\u0103ng c\u01b0\u1eddng graphene. (Bi\u1ec3u m\u1eabu JSC Graphenel)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\u00a0<\/b>Graphene trong pin<\/b><\/p>

V\u1eadt li\u1ec7u graphene c\u00f3 kh\u1ea3 n\u0103ng k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd pin lithium-ion truy\u1ec1n th\u1ed1ng, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p s\u1ea1c nhanh h\u01a1n v\u00e0 dung l\u01b0\u1ee3ng cao h\u01a1n. \u0110\u1eb7c bi\u1ec7t, pin \u1ee9ng d\u1ee5ng graphene c\u00f3 th\u1ec3 tr\u1edf n\u00ean linh ho\u1ea1t v\u00e0 si\u00eau nh\u1eb9, th\u1eadm ch\u00ed t\u00edch h\u1ee3p v\u00e0o v\u1ea3i may m\u1eb7c, m\u1edf ra k\u1ef7 nguy\u00ean thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111eo \u0111\u01b0\u1ee3c v\u00e0 n\u0103ng l\u01b0\u1ee3ng di \u0111\u1ed9ng \u0111\u1ed9t ph\u00e1.\u00a0<\/p>

Si\u00eau t\u1ee5 \u0111i\u1ec7n graphene
<\/b>Si\u00eau t\u1ee5 \u0111i\u1ec7n graphene kh\u00f4ng ch\u1ec9 cung c\u1ea5p c\u00f4ng su\u1ea5t cao v\u1edbi hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi thi\u1ebft b\u1ecb truy\u1ec1n th\u1ed1ng m\u00e0 c\u00f2n gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 tr\u1ecdng l\u01b0\u1ee3ng \u00f4 t\u00f4 v\u00e0 m\u00e1y bay nh\u1edd c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u si\u00eau nh\u1eb9.<\/p>

L\u01b0u gi\u1eef gi\u00f3 v\u00e0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi
<\/b>Ch\u00fang t\u00f4i \u0111ang nghi\u00ean c\u1ee9u ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng graphene trong h\u1ec7 th\u1ed1ng l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o (gi\u00f3\/m\u1eb7t tr\u1eddi), \u0111\u1ed3ng h\u00e0nh c\u00f9ng m\u1ea1ng l\u01b0\u1edbi \u0111\u1ed1i t\u00e1c th\u01b0\u01a1ng m\u1ea1i kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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GI\u1ea2I PH\u00c1P T\u01af\u01a0NG LAI<\/span><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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B\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb<\/h3>

Khi thi\u1ebft b\u1ecb s\u1ea1c, th\u00f4ng th\u01b0\u1eddng nhi\u1ec7t l\u01b0\u1ee3ng sinh ra do \u0111i\u1ec7n tr\u1edf c\u1ee7a v\u1eadt d\u1eabn. Nhi\u1ec7t n\u00e0y t\u1ea1o th\u00e0nh v\u00f2ng l\u1eb7p, c\u00f3 th\u1ec3 v\u01b0\u1ee3t kh\u1ecfi t\u1ea7m ki\u1ec3m so\u00e1t v\u00e0 khi\u1ebfn pin b\u1ed1c ch\u00e1y.<\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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T\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 s\u1ea1c<\/h3>

\u0110\u1ec3 ng\u0103n ng\u1eeba ch\u00e1y n\u1ed5, pin trong thi\u1ebft b\u1ecb th\u01b0\u1eddng s\u1ebd t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 s\u1ea1c, nh\u01b0ng \u0111i\u1ec1u n\u00e0y khi\u1ebfn th\u1eddi gian s\u1ea1c k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3.<\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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T\u0103ng c\u01b0\u1eddng tu\u1ed5i th\u1ecd pin <\/h3>

Graphene l\u00e0 v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o, cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n di chuy\u1ec3n kh\u00f4ng g\u1eb7p tr\u1edf ng\u1ea1i. Nh\u1edd \u0111\u00f3, qu\u00e1 tr\u00ecnh sinh nhi\u1ec7t trong pin lithium \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3, \u0111\u1ed3ng th\u1eddi t\u1ed1c \u0111\u1ed9 s\u1ea1c t\u0103ng g\u1ea5p 5 l\u1ea7n v\u00e0 tu\u1ed5i th\u1ecd pin (s\u1ed1 chu k\u1ef3 s\u1ea1c) c\u0169ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n g\u1ea5p 5 l\u1ea7n.<\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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TIN T\u1ee8C M\u1edaI<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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C\u00f4ng ty con c\u1ee7a Strategic Elements ph\u00e1t tri\u1ec3n pin s\u1ea1c t\u1ef1 \u0111\u1ed9ng t\u1eeb m\u1ef1c in c\u00f4ng ngh\u1ec7 cao<\/a><\/h3>

Australian Advanced Materials \u0111ang ph\u00e1t tri\u1ec3n lo\u1ea1i pin m\u1ef1c in c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 s\u1ea1c trong v\u00e0i ph\u00fat. C\u00e1c t\u1ebf b\u00e0o pin \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb lo\u1ea1i m\u1ef1c in \u0111\u1eb7c bi\u1ec7t, c\u00f3 th\u1ec3 t\u1ea1o \u0111i\u1ec7n t\u1eeb \u0111\u1ed9 \u1ea9m trong kh\u00f4ng kh\u00ed ho\u1eb7c b\u1ec1 m\u1eb7t da, cho ph\u00e9p t\u1ef1 s\u1ea1c m\u00e0 kh\u00f4ng c\u1ea7n s\u1ea1c th\u1ee7 c\u00f4ng ho\u1eb7c k\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n.
Ngu\u1ed3n:<\/b> Small Caps, 27\/10\/2020<\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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C\u00e1c t\u1ebf b\u00e0o pin s\u1ebd \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00f4ng ngh\u1ec7 m\u1ef1c in v\u00e0 v\u1eadt li\u1ec7u graphene oxide ti\u00ean ti\u1ebfn.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Ph\u00e1t tri\u1ec3n pin s\u1ea1c d\u1ea1ng sticker d\u00e1n, m\u1ecfng nh\u1eb9 v\u00e0 linh ho\u1ea1t<\/a><\/h3>

Nh\u00f3m nghi\u00ean c\u1ee9u li\u00ean k\u1ebft t\u1eeb KIER, KAIST, PNU v\u00e0 NTU \u0111\u00e3 ph\u00e1t tri\u1ec3n thi\u1ebft b\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng d\u1ea1ng sticker t\u00e1i s\u1eed d\u1ee5ng v\u1edbi hi\u1ec7u su\u1ea5t cao. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed uy t\u00edn Chemical Engineering Journal.

Ngu\u1ed3n:<\/b> EurekAlert and AAAS, 14\/3\/2020<\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"Battery\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t
Pin s\u1ea1c t\u00e1i s\u1eed d\u1ee5ng v\u00e0 linh ho\u1ea1t, s\u1eb5n s\u00e0ng \u1ee9ng d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111eo v\u00e0 thi\u1ebft b\u1ecb linh ho\u1ea1t th\u1ebf h\u1ec7 m\u1edbi.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

“Graphene battery is gradually revolutionizing the world energy sector” SAMSUNG R&D Laboratory Energy The increases in demand for clean energy and consider on the change of global climate, researchers have been actively discovering new sustainable energy sources and efficient energy conversion technologies. In among of many efforts, energy conversion technologies have extensively catching research interest … <\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":[],"_links":{"self":[{"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/pages\/2047"}],"collection":[{"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/comments?post=2047"}],"version-history":[{"count":78,"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/pages\/2047\/revisions"}],"predecessor-version":[{"id":2646,"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/pages\/2047\/revisions\/2646"}],"wp:attachment":[{"href":"https:\/\/grapheneljsc.com\/vi\/wp-json\/wp\/v2\/media?parent=2047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}