{"id":736,"date":"2010-12-09T12:41:35","date_gmt":"2010-12-09T05:41:35","guid":{"rendered":"http:\/\/4u.ezc.vn\/?p=736"},"modified":"2010-12-09T21:58:47","modified_gmt":"2010-12-09T14:58:47","slug":"nang-l%c6%b0%e1%bb%a3ng-di%e1%bb%87n-m%e1%ba%b7t-tr%e1%bb%9di-d%e1%ba%bfn-khi-nao-thi-d%c6%b0%e1%bb%a3c-dung-r%e1%bb%99ng-rai","status":"publish","type":"post","link":"http:\/\/4u.ezc.vn\/?p=736","title":{"rendered":"N\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi, \u0111\u1ebfn khi n\u00e0o th\u00ec \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i?"},"content":{"rendered":"

Cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi c\u00e0ng v\u0103n minh th\u00ec nhu c\u1ea7u v\u1ec1 n\u0103ng l\u01b0\u1ee3ng c\u00e0ng cao. C\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ‘ch\u1ea1y’ c\u00e1c thi\u1ebft b\u1ecb, ti\u1ec7n nghi ph\u1ee5c v\u1ee5 cho cu\u1ed9c s\u1ed1ng nh\u01b0 b\u1ebfp \u0111un, t\u1ee7 l\u1ea1nh, m\u00e1y \u0111i\u1ec1u h\u00f2a, m\u00e1y gi\u1eb7t, m\u00e1y s\u1ea5y v.v. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng \u1edf hai d\u1ea1ng ch\u1ee7 y\u1ebfu: n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 x\u0103ng d\u1ea7u; trong \u0111\u00f3 n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n ng\u00e0y c\u00e0ng chi\u1ebfm \u01b0u th\u1ebf do s\u1ef1 thu\u1eadn ti\u1ec7n trong truy\u1ec1n d\u1eabn, ti\u00eau th\u1ee5.<\/p>\n

Ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n l\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n sinh ra t\u1eeb c\u00e1ch bi\u1ebfn nhi\u1ec7t n\u0103ng (nh\u01b0 trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n) ho\u1eb7c th\u1ebf n\u0103ng (\u1edf nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n) th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n. \u1ede c\u00e1ch \u0111\u1ea7u, nhi\u1ec7t n\u0103ng sinh ra t\u1eeb vi\u1ec7c \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch l\u00e0 than \u0111\u00e1, d\u1ea7u ho\u1eb7c kh\u00ed \u0111\u1ed1t. C\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t \u0111i\u1ec7n n\u00e0y g\u00f3p ph\u1ea7n g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u0103ng ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh l\u00e0m cho t\u00ecnh tr\u1ea1ng tr\u00e1i \u0111\u1ea5t \u1ea5m l\u00ean th\u00eam tr\u1ea7m tr\u1ecdng. \u1ede c\u00e1ch th\u1ee9 hai th\u00ec th\u1ebf n\u0103ng c\u1ee7a n\u01b0\u1edbc \u0111\u01b0\u1ee3c sinh ra t\u1eeb c\u00e1c h\u1ed3 ch\u1ee9a n\u01b0\u1edbc quy m\u00f4 l\u1edbn, l\u00e0m bi\u1ebfn \u0111\u1ed5i h\u1ec7 sinh th\u00e1i c\u1ee7a khu v\u1ef1c c\u00f3 nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n v\u00e0 c\u00e1c v\u00f9ng l\u00e2n c\u1eadn. M\u1eb7t kh\u00e1c, c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng truy\u1ec1n th\u1ed1ng \u0111\u00f3 c\u0169ng \u0111ang d\u1ea7n c\u1ea1n ki\u1ec7t. Con ng\u01b0\u1eddi \u0111\u00e3 th\u1ea5y tr\u01b0\u1edbc \u0111i\u1ec1u \u0111\u00f3 v\u00e0 \u0111\u00e3 v\u00e0 \u0111ang t\u00ecm ki\u1ebfm c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng m\u1edbi, s\u1ea1ch, kh\u00f4ng ho\u1eb7c \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. N\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 m\u1ed9t ngu\u1ed3n trong s\u1ed1 m\u1ed9t lo\u1ea1t c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u nh\u01b0 n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n, n\u0103ng l\u01b0\u1ee3ng gi\u00f3, \u0111\u1ecba nhi\u1ec7t v\u00e0 th\u1ee7y tri\u1ec1u v.v.<\/p>\n

Th\u1ef1c ra con ng\u01b0\u1eddi \u0111\u00e3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u1eeb r\u1ea5t l\u00e2u, d\u01b0\u1edbi d\u1ea1ng tr\u1ef1c ti\u1ebfp nh\u01b0 vi\u1ec7c ph\u01a1i, s\u1ea5y d\u00f9ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi b\u00ean c\u1ea1nh vi\u1ec7c chi\u1ebfu s\u00e1ng b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Tuy v\u1eady, nh\u01b0 \u0111\u00e3 n\u00f3i \u1edf tr\u00ean, n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u00e3 ch\u1ee9ng t\u1ecf t\u00ednh \u01b0u vi\u1ec7t trong vi\u1ec7c truy\u1ec1n d\u1eabn, s\u1eed d\u1ee5ng n\u00ean lo\u00e0i ng\u01b0\u1eddi c\u0169ng \u0111\u00e3 t\u00ecm ra c\u00e1ch s\u1ea3n xu\u1ea5t ra \u0111i\u1ec7n t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi b\u1eb1ng c\u00e1c t\u1ea5m pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Ph\u00e1t minh n\u00e0y kh\u00f4ng c\u00f2n xa l\u1ea1 v\u1edbi ph\u1ea7n l\u1edbn ch\u00fang ta nh\u01b0 vi\u1ec7c nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh tay, \u0111\u1ed3ng h\u1ed3 c\u00f3 pin m\u1eb7t tr\u1eddi d\u00f9ng kh\u00f4ng ph\u1ea3i thay pin hay l\u00ean d\u00e2y c\u00f3t c\u00e1ch d\u00e2y h\u00e0ng ch\u1ee5c n\u0103m.<\/p>\n

\n

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C\u00e1c t\u1ea5m pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi nh\u01b0 th\u1ebf n\u00e0y hi\u1ec7n v\u1eabn r\u1ea5t \u0111\u1eaft v\u00e0 ch\u01b0a th\u1ec3 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i. Ngu\u1ed3n: wikimedia.org<\/figcaption><\/figure>\n

V\u1eady t\u1ea1i sao \u0111\u1ebfn gi\u1edd ch\u00fang ta v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111i\u1ec7n l\u00e0m t\u1eeb \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi m\u1ed9t c\u00e1ch r\u1ed9ng r\u00e3i?<\/p>\n

C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf ch\u1ed7 vi\u1ec7c s\u1ea3n xu\u1ea5t ra c\u00e1c t\u1ea5m pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi hi\u1ec7n r\u1ea5t \u0111\u1eaft do trong pin n\u00e0y c\u00f3 s\u1eed d\u1ee5ng th\u1ea1ch anh, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 ch\u1ebf t\u1ea1o n\u00ean r\u1ea5t \u0111\u1eaft. Do \u0111\u00f3 gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eeb pin m\u1eb7t tr\u1eddi c\u00f2n r\u1ea5t cao v\u00e0 ch\u01b0a th\u1ec3 c\u1ea1nh tranh v\u1edbi nhi\u1ec7t \u0111i\u1ec7n, th\u1ee7y \u0111i\u1ec7n \u0111\u01b0\u1ee3c. Th\u1eddi gian g\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u1eadt li\u1ec7u thay th\u1ebf th\u1ea1ch anh trong pin m\u1eb7t tr\u1eddi \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh pin, d\u1eabn t\u1edbi gi\u1ea3m gi\u00e1 th\u00e0nh \u0111i\u1ec7n s\u1ea3n xu\u1ea5t b\u1edfi pin m\u1eb7t tr\u1eddi. Ch\u00fang ta c\u00f3 th\u1ec3 coi \u0111\u00f3 l\u00e0 m\u1ed9t b\u01b0\u1edbc ngo\u1eb7t l\u1edbn \u1ea3nh h\u01b0\u1edfng r\u1ea5t s\u00e2u s\u1eafc \u0111\u1ebfn c\u00e1ch th\u1ee9c ch\u00fang ta x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda, c\u00f4ng tr\u00ecnh. Khi \u0111\u00f3 b\u1ec1 m\u1eb7t c\u1ee7a c\u00f4ng tr\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee7 ho\u00e0n to\u00e0n ho\u1eb7c m\u1ed9t ph\u1ea7n l\u00e0 c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi gi\u00e1 r\u1ebb, gi\u00fap bao che c\u00f4ng tr\u00ecnh \u0111\u1ed3ng th\u1eddi v\u1edbi vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng (\u0111i\u1ec7n) cho c\u00f4ng tr\u00ecnh. Vi\u1ec7c n\u00e0y c\u0169ng g\u00f3p ph\u1ea7n gi\u1ea3m nh\u1eb9 \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c c\u00f4ng tr\u00ecnh h\u1ea1 t\u1ea7ng c\u1ee7a \u0111\u00f4 th\u1ecb nh\u01b0 h\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n do m\u1ed7i c\u00f4ng tr\u00ecnh \u0111\u00e3 c\u00f3 th\u1ec3 ‘t\u1ef1 t\u00fac’ \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 ho\u1eb7c m\u1ed9t ph\u1ea7n nhu c\u1ea7u \u0111i\u1ec7n n\u0103ng.<\/p>\n

Mong r\u1eb1ng lo\u00e0i ng\u01b0\u1eddi s\u1ebd \u0111\u01b0\u1ee3c ch\u1ee9ng ki\u1ebfn nh\u1eefng thay \u0111\u1ed5i l\u1edbn lao n\u00e0y trong v\u00f2ng m\u01b0\u01a1i m\u01b0\u1eddi l\u0103m n\u0103m n\u1eefa.<\/p>\n","protected":false},"excerpt":{"rendered":"

Cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi c\u00e0ng v\u0103n minh th\u00ec nhu c\u1ea7u v\u1ec1 n\u0103ng l\u01b0\u1ee3ng c\u00e0ng cao. C\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ‘ch\u1ea1y’ c\u00e1c thi\u1ebft b\u1ecb, ti\u1ec7n nghi ph\u1ee5c v\u1ee5 cho cu\u1ed9c s\u1ed1ng nh\u01b0 b\u1ebfp \u0111un, t\u1ee7 l\u1ea1nh, m\u00e1y …<\/p>\n

N\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi, \u0111\u1ebfn khi n\u00e0o th\u00ec \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i?<\/span> Read More »<\/a><\/p>\n

<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[8,3],"tags":[36,39,149,148],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pYUs3-bS","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=\/wp\/v2\/posts\/736"}],"collection":[{"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=736"}],"version-history":[{"count":6,"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=\/wp\/v2\/posts\/736\/revisions"}],"predecessor-version":[{"id":738,"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=\/wp\/v2\/posts\/736\/revisions\/738"}],"wp:attachment":[{"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=736"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4u.ezc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}