ÖÐÎÄ¡¡|¡¡EN
ï®Àë×Óµç³Ø×îÐÂÑо¿£¡¶þά̼»¯îâ¿Õλµ÷¿Ø²ßÂÔÔöÇ¿·¨ÀµÚ·´Ó¦£¡ |
| ʱ¼ä£º2022-08-25 À´Ô´£ºNano Research Energy |
|
2022Äê7ÔÂ28ÈÕ£¬Öйú¿Æѧ¼¼Êõ´óѧÁõÐ¥áÔ½ÌÊںͳÂË«Ã÷¸±Ñо¿Ô±¡¢Íõ²ý´ï¸±Ñо¿Ô±ÔÚÇ廪´óѧÖ÷°ìµÄÄÜÔ´ÆÚ¿¯Nano Research Energy(https://www.sciopen.com/journal/2790-8119)ÉÏ·¢±íÌâΪ¡°Vacancy manipulating of molybdenum carbide MXenes to enhance faraday reaction for high performance lithium-ion batteries¡±µÄ×îÐÂÑо¿³É¹û¡£
ͼ1 (a) Mo1.33CTxµç¼«²ÄÁϵĴ¢ï®¹ý³ÌʾÒâͼ£»(b) ÓÐÐò¿ÕλMo1.33CTxµÄSTEMͼ£»(c) »ùÓÚXAFSµÄMoÔ×Ó¼Û̬ÄâºÏ£»(d) ¸µÀïÒ¶±ä»»µÄMo K±ßEXAFSÆס£ ÄÉÃײÄÁÏÖÐÆÕ±é´æÔÚµãȱÏÝ¡¢ÏßȱÏÝ¡¢ÃæȱÏݵȹÌÓÐȱÏÝ£¬Í¨¹ý²Ù×ÝȱÏÝÀ´µ÷½Ú¾ÖÓòµç×ӽṹºÍÔ×ÓÅäλ»·¾³ÒÔµ÷¿Ø²ÄÁϵÄÎïÀí»¯Ñ§ÐÔÖÊ£¬³ÆΪ¡°±¾Õ÷¡±²ßÂÔ¡£¿ÕλȱÏÝÒý·¢µÄÄÜÁ¿»û±äÏà¶Ô½ÏС£¬»áÏÔÖøÓ°Ïìµç¼«²ÄÁϵĵç×ӽṹ£¬ÒýÈëÔÓÖÊÄܼ¶£¬ÓÐЧÌá¸ßµç×ӵ絼£¬½ø¶ø¼ÓËٵ缫Ñõ»¯»¹Ô·´Ó¦µÄµçºÉתÒƹý³Ì¡£Í¬Ê±£¬Àë×Ó¿Õλ±¾Éí¿ÉÒÔ×÷ΪÎü¸½ºÍ´«ÊäµÄ¶îÍâ»îÐÔλµã£¬ÔöÇ¿ÁËLi+µÄ´æ´¢ÄÜÁ¦¡£¿ÕλȱÏÝ»¹½µµÍÁ˼î½ðÊôÀë×ÓµÄÀ©É¢ÄÜÀÝ£¬ÓÐÀûÓÚ¿ÉÄæµÄǶÈëÍѳö¡£MXenes¾ßÓжÀÌصIJã×´½á¹¹¡¢·á¸»µÄ±íÃæ»ùÍźÍÓÅÒìµÄÎïÀí»¯Ñ§ÐÔÖÊ£¬µ«ÊÜÏ޵IJå²ãØ͵çÈݹý³ÌºÍ»îÐÔλµã²»×ãÒÖÖÆÁËÆä´æ´¢ÐÔÄÜ¡£Òò´Ë£¬·¢Õ¹¿Õλµ÷¿ØµÄMXenes¸ßÈÝÁ¿µç¼«²ÄÁÏ£¬²¢¼æ¹ËÑ»·Îȶ¨ÐÔÊÇʵÏÖ¸ßÐÔÄÜï®Àë×Óµç³ØµÄ¹Ø¼ü¡£ ±¾ÎÄͨ¹ýMλºÏ½ð»¯²ßÂÔÉè¼ÆÁ˾ßÓÐÃæÄÚ»¯Ñ§ÓÐÐò½á¹¹µÄËÄÔª(Mo2/3Y1/3)2AlC i-MAXÏà¡£Ëæºó£¬Í¨¹ýÇâ·úËá¿ÌÊ´³ýÈ¥ÁËYºÍAlÔ×Ó£¬ÐγÉÁ˾ßÓн»ÌæÓÐÐòÑôÀë×Ó¿ÕλµÄMo1.33CTx i-MXeneÄÉÃ×Ƭ¡£ÓëMo2CTxÏà±È£¬Mo1.33CTx¾ßÓÐÌØÊâµÄ»¨×´ÐÎòºÍ¸ü´óµÄ±È±íÃæ»ý¡£»ùÓÚͬ²½·øÉäµÄXÉäÏß±íÃ÷£¬ÓÐÐò¿ÕλµÄÒýÈëÖÂʹMoÔ×ÓµÄƽ¾ù¼Û̬Ôö¼Óµ½+4.44¡£µÃÒæÓÚÒýÈëµÄÔ×Ó»îÐÔλµãºÍ¸ß¼Û̬µÄMo£¬Mo1.33CTx±íÏÖ³ö¸Ä½øµÄØ͵çÈݺÍÔöÇ¿µÄ·¨ÀµÚ·´Ó¦£¬´Ó¶ø´ó´óÌá¸ßÁ˱ÈÈÝÁ¿¡£ÔÚ0.2 A¡¤g¨C1ʱ£¬Mo1.33CTx¾ßÓÐ603.7 mAh¡¤g¨C1µÄ´æ´¢ÈÝÁ¿£¬ÓÅÓÚ´ó¶àÊýÔʼµÄMXenes¡£Li+´æ´¢¶¯Á¦Ñ§·ÖÎöºÍDFTÄ£Äâ½á¹û±íÃ÷£¬ÓëMo2CTxÏà±È£¬¸Ä½øµÄÐÔÄÜÔ´ÓÚ³ä·Åµç¹ý³ÌÖÐÔö¼ÓÁ˸ü¶àµÄµçºÉ²¹³¥£¬´Ó¶øÔöÇ¿ÁË·¨ÀµÚ·´Ó¦¡£¿Õλµ÷¿ØΪʵÏÖMXenesÔÚï®Àë×Óµç³ØÖеÄÓ¦ÓÃÌṩÁËÒ»ÖÖÓÐЧµÄ²ßÂÔ¡£ Ïà¹ØÂÛÎÄÐÅÏ¢£º Guo, X.; Wang, C. D.; Wang, W. J.; Zhou, Q.; Xu, W. J.; Zhang, P. J.; Wei, S. Q.; Cao, Y. Y.; Zhu, K. F.; Liu, Z. F.; Yang, X. Y.; Wang, Y. X.; Wu, X. J.; Song, L.; Chen, S. M.; Liu, X. S. Vacancy manipulating of molybdenum carbide MXenes to enhance faraday reaction for high performance lithium-ion batteries. Nano Res. Energy 2022, 1: e9120026. DOI: 10.26599/NRE.2022.9120026. https://doi.org/10.26599/NRE.2022.9120026 . ×÷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¸Û³ÇÊдóѧ֧´ºÒå½ÌÊÚ¹²Í¬µ£ÈÎÖ÷±à¡£Nano Research EnergyÊÇÒ»±¾¹ú¼Ê»¯µÄ¶àѧ¿Æ½»²æ£¬È«Ó¢ÎÄ¿ª·Å»ñÈ¡ÆÚ¿¯£¬¾Û½¹ÄÉÃײÄÁϺÍÄÉÃ׿Æѧ¼¼ÊõÔÚÐÂÐÍÄÜÔ´Ïà¹ØÁìÓòµÄÇ°ÑØÑо¿ÓëÓ¦Ó㬶Աê¹ú¼Ê¶¥¼¶ÄÜÔ´ÆÚ¿¯£¬ÖÂÁ¦ÓÚ·¢±í¸ßˮƽµÄÔ´´ÐÔÑо¿ºÍ×ÛÊöÀàÂÛÎÄ¡£±¾¿¯Îª¿ª·Å»ñÈ¡£¬2023Äê֮ǰÃâÊÕAPC·ÑÓ㬻¶Ó¸÷λÀÏʦӻԾͶ¸å¡£Í¶¸åÇëÁªÏµ£ºNanoResearchEnergy@tup.tsinghua.edu.cn. |
