
ÖÐÎÄ¡¡|¡¡EN
×Ô·¢Öû»·´Ó¦µ÷¿Ø¿ÉÄæÎÞÖ¦¾§Ð¿³Á»ý£¬ÊµÏÖ³¤ÊÙÃüµâпµç³Ø |
| ʱ¼ä£º2022-08-25 À´Ô´£ºNano Research Energy |
|
2022Äê7ÔÂ28ÈÕ£¬É½¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§ÔºÕŽøÌνÌÊÚÔÚÇ廪´óѧÖ÷°ìµÄÄÜÔ´ÆÚ¿¯Nano Research Energy (https://www.sciopen.com/journal/2790-8119)ÉÏ·¢±íÌâΪ¡°A highly reversible dendrite-free Zn anode via spontaneous galvanic replacement reaction for advanced zinc-iodine batteries¡±µÄ×îÐÂÑо¿³É¹û¡£
ͼ 1. (a) Zn|Sn ¸º¼«ºÏ³É¹ý³ÌÒÔ¼°Znµç¼«ºÍ (b) Zn|Snµç¼«ÔÚÑ»·¹ý³ÌÖеÄʾÒâͼ¡£(c) ´¿ZnºÍ (d) Zn|Sn µÄ SEM ͼÏñ¡£ Ñо¿±³¾°£ºZn»ùˮϵµç³ØÒòΪÆä´¢Á¿·á¸»(µØ¿ÇZnº¬Á¿Îª0.0075%)£¬ÀíÂÛ±ÈÈÝÁ¿¸ß(820 mAh¡¤g¨C1£©£¬ÒÔ¼°°²È«Îȶ¨Êܵ½Á˹㷺µÄ¹Ø×¢£¬±»ÊÓΪÏÂÒ»´ú´¢ÄÜÉ豸µÄÖ÷Òª¾ºÕùÕß¡£È»¶ø£¬ÏñÆäËû½ðÊôµç³ØÒ»Ñù£¬Ñ»·¹ý³ÌÖÐп֦¾§µÄÎÞÐòÉú³¤ÒÔ¼°¸´Ôӵĸ±²úÎï»áÔì³Éµç³Ø¿âÂ×ЧÂʽµµÍ£¬Í¬Ê±£¬µç½âÒºÖÐË®·Ö×Ó¶Ô½ðÊô¸º¼«µÄ¸¯Ê´·´Ó¦»á²úÉú¾øÔµ¸¯Ê´²úÎ»áÔì³Éµç³Ø×迹Ôö¼Ó£¬¶øÑ»·¹ý³ÌÖеijÖÐøµÄÎöÇâ·´Ó¦£¨HER£©½«Ôì³Éµç³ØÖ×ÕÍ£¬½µµÍµç³ØµÄÑ»·ÊÙÃü¡£Òò´Ë£¬½â¾ö½ðÊôп¸º¼«ÔÚ³ä·Åµç¹ý³ÌÖеÄÖ¦¾§Ðγɼ°Ìå»ýÅòÕÍÎÊÌ⣬¸ÄÉÆÆäÑ»·Îȶ¨ÐÔ¼°°²È«ÐÔ½«ÊÇʵÏÖ¸ßÄÜÁ¿ÃܶÈп½ðÊôµç³ØÓ¦ÓõĹؼüËùÔÚ Õë¶Ôµ±Ç°ÃæÁÙµÄÌôÕ½£¬É½¶«´óѧÕŽøÌνÌÊÚÍŶÓͨ¹ý¼òµ¥µÄ×Ô·¢Öû»·´Ó¦ÔÚп¸º¼«±íÃæÔλ¹¹½¨ÁËSn±£»¤²ãÓÃÓÚÒÖÖÆÖ¦¾§¡£µ±ÆäÓëµâÕý¼«Æ¥Åä×éװпµâÈ«µç³ØÊ±£¬Æðµ½ÒÖÖÆÐ¿Ö¦¾§µÄÐγɺͻº½âп¸º¼«¸±·´Ó¦·¢ÉúµÄÁ¼ºÃЧ¹û¡£Í¨¹ý»úÀíÑо¿·¢ÏÖ£¬Zn|SnÍ¿²ã²»½ö¿ÉÒÔÌṩÓÐЧµÄ³ÉºËλµã£¬´ó´ó½µµÍ³ÉºË¹ýµçλ£¬ÊµÏÖ¾ùÔȵÄп³Á»ý£¬Í¬Ê±SnµÄ»¯Ñ§¶èÐÔ¿ÉÒÔÒ²ÓÐЧ±ÜÃ⸱·´Ó¦µÄ·¢Éú£¬»º½âп¸º¼«µÄ¸¯Ê´ÒÔ¼°ÎöÇ⣬´Ó¶øÑÓ³¤µç³ØÊÙÃü¡£¸Ã¹¤×÷չʾÁËÒ»ÖÖ¼òµ¥¶øÍ¨ÓõIJßÂÔÓÃÓÚ±£»¤¸º¼«²¢ÏÞÖÆÖ¦¾§£¬²¢ÎªºóÐøÏȽø½ðÊô¸º¼«µÄ·¢Õ¹Ìṩ²Î¿¼¡£ ͼ1ÏÔʾÁËZnµç¼«ÔÚSnCl4µÄÈÜÒºÖнþÅÝ5·ÖÖÓ±ãÄܵõ½¾ùÔȵÄSnÍ¿²ã¡£Ïà±Èδ¾¹ý´¦ÀíµÄ´¿Znµç¼«£¬Zn|Sn¸º¼«¿ÉÓÐЧÒÖÖÆÖ¦¾§Éú³¤£¬ÊµÏÖ¿ÉÄæµÄZn³Á»ý/°þÀë¡£Ëæºóͨ¹ýµ÷½ÚSn4+Àë×ÓµÄŨ¶È£¬Ì½¾¿ÁËSnÍ¿²ãµÄÐÎò½á¹¹¶ÔÐÔÄܵÄÓ°Ï졣ʵÑé½á¹û±íÃ÷£¬Sn4+Àë×ÓΪ0.1 M ʱ¿ÉÒԵõ½ÓÉ´óС¾ùÒ»Sn¿ÅÁ£¹¹³ÉµÄ¾ùÔÈÍ¿²ã¡£ÓÅ»¯µÄ³ÉºËλµã¿ÉÒÔ¼Ó¿ì³Á»ý¶¯Á¦Ñ§£¬ÏÔÖø½µµÍ³ÉºË¹ýµçλ£¬Í¬Ê±ÓÐЧ±ÜÃ⸱·´Ó¦µÄ·¢Éú£¬»º½âп¸º¼«µÄ¸¯Ê´ÒÔ¼°ÎöÇâ¡£ÆäÖУ¬ÐÔÄÜ×îÍ»³öµÄÑùÆ·Zn|Sn-0.1¶Ô³Æµç³ØÖÐÕ¹ÏÖÁ˽ϵ͹ýµçλ(13.9 mV)²¢ÄÜÎȶ¨Ñ»·³¬¹ý900Сʱ¡£´ËÍ⣬ÓÉZn|Sn¸º¼«ÓëµâÕý¼«×é×°µÄZn|Sn-I2µç³ØÔÚÑ»·1200´ÎÑ»·ºóÈÔ¾ßÓÐ90.7 %µÄÈÝÁ¿±£³ÖÂÊ£¬³ä·ÖÏÔʾÁËZn|Sn-0.1µÄÓÅÒìÐÔÄÜ¡£
ͼ2. (a) ´¿ ZnºÍZn|SnµÄXRDͼÆ×. (b)´¿ZnºÍZn|Sn-XÔÚ2 M ZnSO4µç½âÒºÖÐµÄ TafelÇúÏß. (c) Zn|Sn-0.10ºÍ´¿Zn³Á»ý°þÀë¶Ô±ÈÒÔ¼° (d) ºÍÎÄÏ×±¨µÀµÄ¶Ô±È¡£(e)¶Ô³Æµç³ØÖд¿ZnºÍZn|Sn-XÔÚ1 mA cm-2ºÍ1 mAh cm-2ϵÄÑ»·ÐÔÄÜ¡£
ͼ3. Zn|SnºÍ´¿ZnÔÚZn-I2µç³ØÖеĵ绯ѧÐÔÄܱȽÏ. (a) 0.1 mV/s µÄCVÇúÏß. (b) Zn|Sn-I2µç³ØºÍ Zn-I2µç³ØµÄ±¶ÂÊÐÔÄÜ. (c) ²»Í¬µçÁ÷ÃܶÈ϶ÔÓ¦µÄ³ä·ÅµçÇúÏß. (d) 5 CϵÄÑ»·ÐÔÄܺͿâÂØÐ§ÂÊ. (e) Zn|Sn-I2µç³ØºÍ Zn-I2µç³ØµÄEIS¡£ Ïà¹ØÂÛÎÄÐÅÏ¢£ºTian, Y. D.; Chen, S.; He, Y. L.; Chen, Q. W.; Zhang, L. L.; Zhang, J. T. A highly reversible dendrite-free Zn anode via spontaneous galvanic replacement reaction for advanced zinc-iodine batteries. Nano Res. Energy 2022, 1: e9120025. DOI: 10.26599/NRE.2022.9120025. https://doi.org/10.26599/NRE.2022.9120025 . ×÷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׿ÆÑ§¼¼ÊõÔÚÐÂÐÍÄÜÔ´Ïà¹ØÁìÓòµÄÇ°ÑØÑо¿ÓëÓ¦Ó㬶Աê¹ú¼Ê¶¥¼¶ÄÜÔ´ÆÚ¿¯£¬ÖÂÁ¦ÓÚ·¢±í¸ßˮƽµÄÔ´´ÐÔÑо¿ºÍ×ÛÊöÀàÂÛÎÄ¡£±¾¿¯¿ª·Å»ñÈ¡£¬2023Äê֮ǰÃâÊÕAPC·ÑÓ㬻¶Ó¸÷λÀÏʦӻԾͶ¸å¡£Í¶¸åÇëÁªÏµ£ºNanoResearchEnergy@tup.tsinghua.edu.cn. |