24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 8229  |  »Ø¸´: 60

junkpengli

Í­³æ (СÓÐÃûÆø)

[½»Á÷] Show OffÒ»ÏÂÎÒÃǸÕÔÚNature MaterialsÉÏ·¢±íµÄÎÄÕ ÒÑÓÐ45È˲ÎÓë

Structurally ordered intermetallic platinum¨Ccobalt core¨Cshell nanoparticles with enhanced activity and stability as oxygen reduction electrocatalysts

Deli Wang*, Huolin L. Xin* (*¹²Í¬Ò»×÷), Robert Hovden, Hongsen Wang, Yingchao Yu, David A. Muller, Francis J. DiSalvo & H¨¦ctor D. Abruña
Published online: 28 October 2012 | doi:10.1038/nmat3458

Enhancing and optimizing the performance and durability of nanocatalysts for the oxygen reduction reaction is crucial for fuel-cell applications. A class of Pt¨CCo nanocatalysts consisting of ordered Pt3Co intermetallic cores with a 2¨C3 atomic-layer-thick platinum shell now exhibit a large increase in mass activity and specific activity when compared with disordered alloy nanoparticles.





[ Last edited by junkpengli on 2012-11-16 at 17:09 ]
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : 2012_WangandXin(equal)_NatureMats.pdf
  • 2012-11-07 09:17:29, 1.88 M

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

ÏȽø²ÄÁÏ ÄÉÃײÄÁÏ ¹â´ß»¯ ²ÄÁÏ Ë¼Â·Óëidea
ÄÉÃ×Óëµç»¯Ñ§

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

hello
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖ§³Ö ( ÏÔʾ֧³Ö¶È×î¸ßµÄǰ 50 Ãû )

lulinsmann

ľ³æ (ÖøÃûдÊÖ)

ÈýÎÞССÄñ

¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
tt.yao: ½ð±Ò+2, ÈÈÐÄ·þÎñ¹ÄÀøO(¡É_¡É)O~ 2012-11-08 09:42:01
ȷʵÊÇshow off£¬³ýÁËÆ¯ÁÁµÄͼ£¬Ò»µãÐÅϢҲľÓУ¬ºÃ´õ¸ø¸ötitle°É£¬°³ÌæLZ·þÎñÁË£º
Structurally ordered intermetallic platinum¨Ccobalt core¨Cshell nanoparticles with enhanced activity and stability as oxygen reduction electrocatalysts
ÁíÍ⣬ ´ËÎÄÄË¿µÄζû³öÆ·
½­ºþ±³Ó°
6Â¥2012-11-07 13:45:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

temedx

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¿´ÁËÒ»ÏÂ×÷Õߣ¬¹Ö²»µÃµç¾µÕÕÆ¬Èç´ËÕ𺳡£²é²éµÚ¶þ×÷ÕߺÍÄÇλµ¼Ê¦¾ÍÖªµÀΪɶÁË¡£
Everybodyissobusymindingotherppl'sbusiness,thattheyforgettofindtheirownhappiness.
24Â¥2012-11-08 08:09:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

temedx

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
31Â¥: Originally posted by lulinsmann at 2012-11-08 15:01:44
²éÁË£¬Ë¡°³ÓÞ¶Û£¬»¹ÊDz»ÖªµÀΪɶ
ר¼ÒµãÆÀÒªµ½Î»ÂºÇºÇ...

µÚ¶þ×÷ÕßÊÇD A MullerµÄѧÉú£¬Äã¿´¿´ËûµÄÎÄÕ£¬ÔÙ·­·­µ¼Ê¦µÄÎÄÕÂÀïµÄÕÕÆ¬£¬¾ÍÃ÷°×ÕâЩÕÕÆ¬¶ÔËûÃÇÀ´Ëµ¾ÍÊÇÁ·Á·ÊÖ.......
Everybodyissobusymindingotherppl'sbusiness,thattheyforgettofindtheirownhappiness.
33Â¥2012-11-08 16:15:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

junkpengli

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
30Â¥: Originally posted by geegee at 2012-11-08 10:01:08
³ýÁËͼƯÁÁÍ⣬û¿´³öÁ½ÁÁµã

ÕâλͬѧÊDz»ÊÇÌ«³öÑÔ²»Ñ·ÁË
hello
43Â¥2012-11-16 17:08:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wangdl5872

ľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
45Â¥: Originally posted by wendaoyizhi at 2012-11-18 14:34:04
²ÄÁÏȷʵƯÁÁ£¬µ«ÊÇʵÓüÛÖµ²»¸ß£¬Îȶ¨ÐÔûÓв⿹¼×´¼Öж¾ÐÔ£¬LSV²âÊÔÒ²ÄÜ¿´³ö·ÇרҵÈËÊ¿²âÁ¿£¬K_L·½³ÌÊǸúתËÙµÄÆ½·½ÓиöÏà¹Ø¹ØÏµ£¬Éè400,625,900,1225,1600µÄתËÙ»áÈüä¸ô·Ç³£µÄ¾ùÒ»

Â¥ÉÏÕâλÈÊÐÖ£¬Ôõô½²»°Õâô²»¿ÍÆøÄØ£¿
µÚÒ»£¬Äã´ÓÄÄÀï¿´³öÀ´ÊµÓüÛÖµ²»¸ß£¿
µÚ¶þ£¬ÕâÆªÎÄÕÂÖÐÓÖûÓÃÌáµ½Ö±½Ó¼×´¼È¼ÁÏµç³Ø£¬ÎªÊ²Ã´Òª²â¼×´¼¶¾ÐÔ£¿
µÚÈý£¬Ôõô¿´³öÊÇ·ñÊÇרҵÈËÊ¿²âÊÔµÄLSV£¬Ë­¹æ¶¨Ñ¡ÄǼ¸¸öµã²âÊÔ¾ÍÊÇרҵµÄ£¬²»Ñ¡ÄǼ¸¸öµã¾Í·ÇרҵÁË£¬ÓÐûÓг£Ê¶°¡£¿
50Â¥2012-12-19 19:32:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

lqingh506

Ìú¸Ëľ³æ (ÖªÃû×÷¼Ò)

´óÅ£°¡£¬Ä¤°Ý
2Â¥2012-11-07 09:21:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cyxuhit

½ð³æ (СÓÐÃûÆø)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ºÇºÇ£¬Ó¦¸ÃÅäÉÏÎÄ×Ö£¬Ìá¸ßÓ°Ï죡
3Â¥2012-11-07 13:20:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

12julyCN

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¸ø¸öÖÐÎĽéÉܵÄÁ¬½Ó¡£ÏàÐÅ·¢µ½natureÉϵÄÎÄÕ£¬Ó¦¸ÃÓйٷ½Ðû´«°É¡£
4Â¥2012-11-07 13:29:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
niu
5Â¥2012-11-07 13:38:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Jeveels

ľ³æ (ÕýʽдÊÖ)

ÎÄÕÂÒ»°ã
΢ÐźÅJeveels
7Â¥2012-11-07 13:50:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

weihongfei

ľ³æ (ÖøÃûдÊÖ)

¹ÄÀø ¹ÄÀø Ï£Íû»¹ÓÐÏ´ÎàÞ

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
8Â¥2012-11-07 13:59:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ê®Ëͺì¾ü

Í­³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ºÃ´õ½éÉÜһϰɣ¬ÕâÆªÎÄÕÂÁÁµãÔÚÄÄÀ
9Â¥2012-11-07 15:08:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

DOTAOK

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

À÷º¦£¡£¡£¡
simple_and_perfect
10Â¥2012-11-07 15:19:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ junkpengli µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] 2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË +19 ÑòÑü°å 2026-08-21 22/1100 2026-08-25 10:38 by popular289
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +3 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 3/150 2026-08-25 10:35 by shisan1313
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +5 process2012 2026-08-23 7/350 2026-08-25 09:42 by huixian257
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
[»ù½ðÉêÇë] Ö»ÓÐÿÄêÕâÖÖʱºòÀ´¹ä¹äСľ³æ +25 yaoyewhu2008 2026-08-20 27/1350 2026-08-25 08:01 by Equinoxhua
[»ù½ðÉêÇë] ûÓÐÈκÎÏûÏ¢-ÊDz»ÊǾÍÁ¹ÁË +7 ͼÀ²Í¼À² 2026-08-24 8/400 2026-08-24 22:00 by maomao_da
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +10 fansofjerry 2026-08-21 10/500 2026-08-24 21:03 by zhanghaozhu
[»ù½ðÉêÇë] ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî +21 koalala 2026-08-24 24/1200 2026-08-24 19:25 by ¼ÒÓëÔ¶·½
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 16/800 2026-08-24 10:23 by ̫ɵÁË
[»ù½ðÉêÇë] ·Å°ñǰµÄ²»µ­¶¨ 20+4 snowwithsea 2026-08-19 17/850 2026-08-24 10:20 by echo8914667
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[»ù½ðÉêÇë] ʲôʱºò¿ª½±£¿ +10 CrisMessi 2026-08-18 11/550 2026-08-24 06:50 by ¿ªÐĵÄСʨ×Ó
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
[»ù½ðÉêÇë] ʱ¼ä´Á½ñÌ죬20ºÅ±äÁË +5 archvillain 2026-08-20 5/250 2026-08-22 06:12 by hui_daxiao
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
[»ù½ðÉêÇë] Ã÷Ìì·Å°ñ£¿ +5 Shxjjxjkx 2026-08-18 5/250 2026-08-18 18:14 by -´ó´ó´ó´ó´ó-
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û