
ÖÐÎÄ¡¡|¡¡EN
Ñõ»¹Ô×îÐÂÑо¿Ð§¹û£¡¶à¿×ÄÉÃ×ÇòÔλÐÞ½¨Fe3N/FeCoÔÓ»¯Ì¼ÖÊÁϸßЧµç´ß»¯! |
| ʱ¼ä£º2022-08-29 ȪԴ£ºNano Research Energy |
|
2022Äê8ÔÂ23ÈÕ£¬£¬£¬£¬£¬£¬Ç廪´óѧÖ÷ÀíµÄÄÜԴѧÊõÆÚ¿¯Nano Research Energy£¨https://www.sciopen.com/journal/2790-8119 £©±àί¡¢ÏæÌ¶´óѧÁõÒæ½¸±½ÌÊÚ¿ÎÌâ×éÌá³öÒ»ÖÖ¼òÆÓÓÐÓõÄÔÎ»ÖÆ±¸Fe3NºÍFeCoÄÉÃ׿ÅÁ£ÐÞÊεÄÔÓ»¯Ì¼ÖÊÁϵÄÒªÁì²¢ÓÃÓÚ¸ßЧÑõ»¹Ô´ß»¯·´Ó¦¡£¡£¡£¡£¡£¡£ÂÛÎÄÎÊÌâΪ¡°Metal-coordinated porous polydopamine nanospheres derived Fe3N-FeCo encapsulated N-doped carbon as a highly efficient electrocatalyst for oxygen reduction reaction¡±¡£¡£¡£¡£¡£¡£
ͼ1. (a) Fe3N-FeCo@NCµÄÖÆ±¸Ê¾Òâͼ£»£»£»£»£»Fe3N-FeCo@NCµÄTEM (b)ºÍHRTEM (c)ÕÕÆ¬£»£»£»£»£»Fe3N-FeCo@NCµÄLSVÇúÏß(d)£»£»£»£»£»»ùÓÚFe3N-FeCo@NCµÄп¿Õµç³ØµÄ¹¦ÂÊÃÜ¶È (e)¡£¡£¡£¡£¡£¡£ Ñõ»¹Ô·´Ó¦(ORR)ÊǽðÊô¿ÕÆøµç³ØµÄÖ÷Òª°ë·´Ó¦£¬£¬£¬£¬£¬£¬¿ÉÊÇ·´Ó¦¶¯Á¦Ñ§»ºÂý¡£¡£¡£¡£¡£¡£Pt»ù´ß»¯¼ÁÄÜÓÐÓÃÌáÉýORR¶¯Á¦Ñ§£¬£¬£¬£¬£¬£¬µ«±£´æÎȹÌÐԵ͡¢×ÊÔ´½ôȱ¡¢¼ÛÇ®ÌÚ¹óµÈÎÊÌ⣬£¬£¬£¬£¬£¬ÏÞÖÆÁ˽ðÊô¿ÕÆøµç³ØµÄÉÌÒµ»¯Ó¦Óᣡ£¡£¡£¡£¡£Òò´Ë£¬£¬£¬£¬£¬£¬¿ª·¢·Ç¹ó½ðÊôORR´ß»¯¼ÁÖÁ¹ØÖ÷Òª¡£¡£¡£¡£¡£¡£ÔÚÒÑ¿ª·¢µÄÖÖÖַǹó½ðÊô´ß»¯¼ÁÖУ¬£¬£¬£¬£¬£¬½ðÊôµª»¯Îï²ôÔÓµÄ̼ÖÊÁÏ£¨MNx-C£©ÓÉÓÚÆä¸ßµ¼µçÐÔ¡¢ÓÅÒìµÄÑõ»¹Ô´ß»¯»îÐԺ;¼ÃÊÊÓÃÐÔ±»ÒÔΪÊÇ×îÓпÉÄÜÈ¡´úPt»ù´ß»¯¼ÁµÄÒ»ÀàÖÊÁÏ¡£¡£¡£¡£¡£¡£ÆäÖУ¬£¬£¬£¬£¬£¬µª»¯Ìú£¨Fe3N£©ÐÞÊεÄ̼ÖÊÁÏ£¨Fe3N-C£©¾ßÓпÉÓëPt/CæÇÃÀµÄORR´ß»¯»îÐÔ¡£¡£¡£¡£¡£¡£È»¶ø£¬£¬£¬£¬£¬£¬ÐγÉFe3N¿ÅÁ£Í¨³£ÐèÒª¸ßΰ±»¯£¬£¬£¬£¬£¬£¬Õâ²»µ«ÔöÌíÁËÖÆ±¸±¾Ç®Ò²±£´æÇå¾²Òþ»¼¡£¡£¡£¡£¡£¡£ÔõÑùͨ¹ý·Ç¸ßΰ±»¯ÒªÁìÀ´ÖƱ¸Fe3NÄÉÃ׿ÅÁ£ÐÞÊεÄ̼ÖÊÁϲ¢ÏÔÖøÌáÉýÆäORR´ß»¯»îÐÔ³ÉΪÁËÐµĹØ×¢µã¡£¡£¡£¡£¡£¡£ Òò´Ë£¬£¬£¬£¬£¬£¬ÁõÒæ½¿ÎÌâ×éÌá³öÒ»ÖÖ¼òÆÓÓÐÓõÄÔÎ»ÖÆ±¸Fe3NºÍFeCoÄÉÃ׿ÅÁ£ÐÞÊεÄÔÓ»¯Ì¼ÖÊÁϵÄÒªÁì²¢ÓÃÓÚ¸ßЧÑõ»¹Ô´ß»¯·´Ó¦¡£¡£¡£¡£¡£¡£Ê×ÏÈ£¬£¬£¬£¬£¬£¬Í¨¹ýÈéÒº×é×°ºÍ×ԾۺϵÄÒªÁìÖÆ±¸Á˶à¿×¾Û¶à°Í°·½ðÊôÄÉÃ×Çò£¨ÈçFe-PDA@Co£©£¬£¬£¬£¬£¬£¬ËæºóʹÓþ۶à°Í°·¡¢½ðÊôÓëÈý¾ÛÇè°·µÄÏ໥×÷ÓÃÔÚ¾Û¶à°Í°·½ðÊôÄÉÃ×ÇòÍâò°ü¸²Èý¾ÛÇè°·»ñµÃFe-PDA@Co@melamineÂçºÏÎ£¬£¬£¬£¬£¬×îºóͨ¹ý¸ßÎÂÈȽâ»ñµÃFe3NºÍFeCoÐÞÊεĶà¿×̼ÇòºÍ̼ÄÉÃׯ¬¹²´æµÄÔÓ»¯Ì¼ÖÊÁÏFe3N-FeCo@NC¡£¡£¡£¡£¡£¡£ÔÚ±¾ÊÂÇéÖв»ÐèÒª¾Óɸßΰ±»¯¼´¿ÉÔλÐγÉFe3NÄÉÃ׿ÅÁ££¬£¬£¬£¬£¬£¬ÕâÖ÷ÒªµÃÒæÓÚÈéÒº×é×°ºÍ×Ô¾ÛºÏÏàÁ¬ÏµµÄÕ½ÂÔ£¬£¬£¬£¬£¬£¬Ê¹ÌúÔȳÆÊèÉ¢ÔÚ¾Û¶à°Í°·¶à¿×ÇòÖУ¬£¬£¬£¬£¬£¬Í¬Ê±Èý¾ÛÇè°·ÓëÌúÒ²ÓÐÏ໥×÷Ó㬣¬£¬£¬£¬£¬Òò´Ë²»ÐèÒªÌØÁíÍâ¸ßΰ±»¯¡£¡£¡£¡£¡£¡£Fe3N-FeCo@NC¾ßÓнϴóµÄ±ÈÍâò»ýºÍ¶à¼¶¿×½á¹¹£¬£¬£¬£¬£¬£¬Í¬Ê±¾ßÓÐFe3N¡¢FeCo¡¢M-NxµÈ»îÐÔÖÖ£¬£¬£¬£¬£¬£¬Òò´Ë¾ßÓÐÓÅÒìµÄÑõ»¹Ôµç´ß»¯»îÐÔ¡£¡£¡£¡£¡£¡£ÔÚ0.1M KOH½éÖÊÖУ¬£¬£¬£¬£¬£¬Fe3N-FeCo@NCµÄÆðʼµçλΪ1.05 V£¬£¬£¬£¬£¬£¬°ë²¨µçλΪ0.89 V£¬£¬£¬£¬£¬£¬Áè¼ÝPt/CµÄÆðʼµç루0.97 V£©ºÍ°ë²¨µç루0.85 V£©£¬£¬£¬£¬£¬£¬Ò²Ô¶Ô¶Áè¼Ý²Î±ÈÑùÆ·Fe/NC£¨Ç°ÇýÌå²»º¬CoºÍÈý¾ÛÇè°·£©ºÍFe,Co/NC£¨Ç°ÇýÌå²»º¬Èý¾ÛÇè°·£©£¬£¬£¬£¬£¬£¬ÊÇÏÖÔÚMNx-CÖÊÁÏ ORRÐÔÄܵÄ×î¸ßÖµÖ®Ò»¡£¡£¡£¡£¡£¡£±ðµÄ£¬£¬£¬£¬£¬£¬Fe3N-FeCo@NCµÄÎȹÌÐԺͿ¹¼×´¼ÐÔÄÜÒ²Ô¶Ô¶Áè¼ÝPt/C¡£¡£¡£¡£¡£¡£»£»£»£»£»ùÓÚFe3N-FeCo@NCΪ¿ÕÆøÒõ¼«µÄп¿ÕÆøµç³ØµÄ¿ªÂ·µçѹΪ1.50 V£¬£¬£¬£¬£¬£¬¹¦ÂÊÃܶȴï141 mW¡¤cm?2£¬£¬£¬£¬£¬£¬±ÈÈÝÁ¿Îª806.6 mAh¡¤g?1Zn£¬£¬£¬£¬£¬£¬ÏÔÖø¸ßÓÚPt/C×é×°µÄµç³Ø£¨¿ªÂ·µçѹΪ1.48 V£¬£¬£¬£¬£¬£¬¹¦ÂÊÃܶÈ113 mW¡¤cm?2£¬£¬£¬£¬£¬£¬±ÈÈÝÁ¿Îª660.6 mAh¡¤g?1Zn£©¡£¡£¡£¡£¡£¡£Í¬Ê±£¬£¬£¬£¬£¬£¬»ùÓÚFe3N-FeCo@NCµÄп¿ÕÆøµç³Ø¾ßÓÐÓÅÒìµÄ±¶ÂÊÐÔÄܺÍÎȹÌÐÔ¡£¡£¡£¡£¡£¡£ÒÔÉÏЧ¹ûÅú×¢Fe3N-FeCo@NCÊÇÒ»ÖÖ¸ßЧÇÒÎȹ̵ÄORRµç´ß»¯¼Á£¬£¬£¬£¬£¬£¬ÓÐÀûÓÚÍÆ½øÐ¿¿Õµç³ØµÄÏÖʵӦÓᣡ£¡£¡£¡£¡£ Ïà¹ØÂÛÎÄÐÅÏ¢£º Guo, F. J.; Zhang, M. Y.; Yi, S. C.; Li, X. X.; Xin, R.; Yang, M.; Liu, B.; Chen, H. B.; Li, H. M.; Liu, Y. J. Metal-coordinated porous polydopamine nanospheres derived Fe3N-FeCo encapsulated N-doped carbon as a highly efficient electrocatalyst for oxygen reduction reaction. Nano Res. Energy 2022, 1: e9120027. DOI: 10.26599/NRE.2022.9120027. https://doi.org/10.26599/NRE.2022.9120027 . ×÷ΪNano Researchæ¢Ãÿ¯£¬£¬£¬£¬£¬£¬Nano Research Energy (ISSN: 2791-0091; e-ISSN: 2790-8119; ¹ÙÍø: https://www.sciopen.com/journal/2790-8119)ÓÚ2022Äê3Ô´´¿¯£¬£¬£¬£¬£¬£¬ÓÉÇ廪´óѧÇúÁ¼Ìå½ÌÊÚºÍÏã¸Û¶¼»á´óѧ֧´ºÒå½ÌÊÚÅäºÏµ£µ±Ö÷±à¡£¡£¡£¡£¡£¡£Nano Research EnergyÊÇÒ»±¾¹ú¼Ê»¯µÄ¶àѧ¿Æ½»Ö¯£¬£¬£¬£¬£¬£¬È«Ó¢ÎÄ¿ª·Å»ñÈ¡ÆÚ¿¯£¬£¬£¬£¬£¬£¬¾Û½¹ÄÉÃ×ÖÊÁϺÍÄÉÃ׿ÆÑ§ÊÖÒÕÔÚÐÂÐÍÄÜÔ´Ïà¹ØÁìÓòµÄÇ°ÑØÑо¿ÓëÓ¦Ó㬣¬£¬£¬£¬£¬¶Ô±ê¹ú¼Ê¶¥¼¶ÄÜÔ´ÆÚ¿¯£¬£¬£¬£¬£¬£¬ÖÂÁ¦ÓÚ½ÒÏþ¸ßˮƽµÄÔ´´ÐÔÑо¿ºÍ×ÛÊöÀàÂÛÎÄ¡£¡£¡£¡£¡£¡£2023Äê֮ǰÃâÊÕAPCÓöȣ¬£¬£¬£¬£¬£¬½Ó´ýÁÐλÏÈÉúӻԾͶ¸å¡£¡£¡£¡£¡£¡£Í¶¸åÇëÁªÏµ£ºNanoResearchEnergy@tup.tsinghua.edu.cn. |