ÖÐÎÄ¡¡|¡¡EN
×Ô¾õÖû»·´Ó¦µ÷¿Ø¿ÉÄæÎÞÖ¦¾§Ð¿³Á»ý£¬£¬ÊµÏÖ³¤ÊÙÃüµâпµç³Ø |
| ʱ¼ä£º2022-08-25 ȪԴ£ºNano Research Energy |
|
2022Äê7ÔÂ28ÈÕ£¬£¬É½¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§ÔºÕŽøÌνÌÊÚÔÚÇ廪´óѧÖ÷ÀíµÄÄÜÔ´ÆÚ¿¯Nano Research Energy (https://www.sciopen.com/journal/2790-8119)ÉϽÒÏþÌâΪ¡°A highly reversible dendrite-free Zn anode via spontaneous galvanic replacement reaction for advanced zinc-iodine batteries¡±µÄ×îÐÂÑо¿Ð§¹û¡£¡£¡£¡£¡£¡£
ͼ 1. (a) Zn|Sn ¸º¼«ºÏ³ÉÀú³ÌÒÔ¼°Znµç¼«ºÍ (b) Zn|Snµç¼«ÔÚÑ»·Àú³ÌÖеÄʾÒâͼ¡£¡£¡£¡£¡£¡£(c) ´¿ZnºÍ (d) Zn|Sn µÄ SEM ͼÏñ¡£¡£¡£¡£¡£¡£ Ñо¿Åä¾°£ºZn»ùˮϵµç³ØÓÉÓÚÆä´¢Á¿¸»ºñ(µØ¿ÇZnº¬Á¿Îª0.0075%)£¬£¬ÀíÂÛ±ÈÈÝÁ¿¸ß(820 mAh¡¤g¨C1£©£¬£¬ÒÔ¼°Çå¾²ÎȹÌÊܵ½ÁËÆÕ±éµÄ¹Ø×¢£¬£¬±»ÊÓΪÏÂÒ»´ú´¢ÄÜ×°±¸µÄÖ÷Òª¾ºÕùÕß¡£¡£¡£¡£¡£¡£È»¶ø£¬£¬ÏñÆäËû½ðÊôµç³ØÒ»Ñù£¬£¬Ñ»·Àú³ÌÖÐп֦¾§µÄÎÞÐòÉú³¤ÒÔ¼°ÖØ´óµÄ¸±²úÆ·»áÔì³Éµç³Ø¿âÂ×ЧÂʽµµÍ£¬£¬Í¬Ê±£¬£¬µç½âÒºÖÐË®·Ö×Ó¶Ô½ðÊô¸º¼«µÄÇÖÊ´·´Ó¦»á±¬·¢¾øÔµÇÖÊ´²úÆ·£¬£¬»áÔì³Éµç³Ø×迹ÔöÌí£¬£¬¶øÑ»·Àú³ÌÖеÄÒ»Á¬µÄÎöÇâ·´Ó¦£¨HER£©½«Ôì³Éµç³ØÖ×ÕÍ£¬£¬½µµÍµç³ØµÄÑ»·ÊÙÃü¡£¡£¡£¡£¡£¡£Òò´Ë£¬£¬½â¾ö½ðÊôп¸º¼«ÔÚ³ä·ÅµçÀú³ÌÖеÄÖ¦¾§Ðγɼ°Ìå»ýÅòÕÍÎÊÌ⣬£¬¸ÄÉÆÆäÑ»·ÎȹÌÐÔ¼°Çå¾²ÐÔ½«ÊÇʵÏÖ¸ßÄÜÁ¿ÃܶÈп½ðÊôµç³ØÓ¦ÓõÄÒªº¦ËùÔÚ Õë¶ÔÄ¿½ñÃæÁÙµÄÌôÕ½£¬£¬É½¶«´óѧÕŽøÌνÌÊÚÍŶÓͨ¹ý¼òÆÓµÄ×Ô¾õÖû»·´Ó¦ÔÚп¸º¼«ÍâòÔλ¹¹½¨ÁËSn± £» £»¤²ãÓÃÓÚÒÖÖÆÖ¦¾§¡£¡£¡£¡£¡£¡£µ±ÆäÓëµâÕý¼«Æ¥Åä×éװпµâÈ«µç³Øʱ£¬£¬Æðµ½ÒÖÖÆп֦¾§µÄÐγɻººÍ½âп¸º¼«¸±·´Ó¦±¬·¢µÄÓÅÒìЧ¹û¡£¡£¡£¡£¡£¡£Í¨¹ý»úÀíÑо¿·¢Ã÷£¬£¬Zn|SnÍ¿²ã²»µ«¿ÉÒÔÌṩÓÐÓõijɺËλµã£¬£¬´ó´ó½µµÍ³ÉºË¹ýµç룬£¬ÊµÏÖÔȳƵÄп³Á»ý£¬£¬Í¬Ê±SnµÄ»¯Ñ§¶èÐÔ¿ÉÒÔÒ²ÓÐÓÃ×èÖ¹¸±·´Ó¦µÄ±¬·¢£¬£¬»º½âп¸º¼«µÄÇÖÊ´ÒÔ¼°ÎöÇ⣬£¬´Ó¶øÑÓÉìµç³ØÊÙÃü¡£¡£¡£¡£¡£¡£¸ÃÊÂÇéչʾÁËÒ»ÖÖ¼òÆÓ¶øͨÓõÄÕ½ÂÔÓÃÓÚ± £» £»¤¸º¼«²¢ÏÞÖÆÖ¦¾§£¬£¬²¢ÎªºóÐøÏȽø½ðÊô¸º¼«µÄÉú³¤Ìṩ²Î¿¼¡£¡£¡£¡£¡£¡£ ͼ1ÏÔʾÁËZnµç¼«ÔÚSnCl4µÄÈÜÒºÖнþÅÝ5·ÖÖÓ±ãÄÜ»ñµÃÔȳƵÄSnÍ¿²ã¡£¡£¡£¡£¡£¡£Ïà±Èδ¾ÓÉ´¦Öóͷ£µÄ´¿Znµç¼«£¬£¬Zn|Sn¸º¼«¿ÉÓÐÓÃÒÖÖÆÖ¦¾§Éú³¤£¬£¬ÊµÏÖ¿ÉÄæµÄZn³Á»ý/°þÀë¡£¡£¡£¡£¡£¡£Ëæºóͨ¹ýµ÷ÀíSn4+Àë×ÓµÄŨ¶È£¬£¬Ì½ÌÖÁËSnÍ¿²ãµÄÐÎò½á¹¹¶ÔÐÔÄܵÄÓ°Ïì¡£¡£¡£¡£¡£¡£ÊµÑéЧ¹ûÅú×¢£¬£¬Sn4+Àë×ÓΪ0.1 M ʱ¿ÉÒÔ»ñµÃÓɾÞϸ¾ùÒ»Sn¿ÅÁ£×é³ÉµÄÔȳÆÍ¿²ã¡£¡£¡£¡£¡£¡£ÓÅ»¯µÄ³ÉºËλµã¿ÉÒÔ¼ÓËÙ³Á»ý¶¯Á¦Ñ§£¬£¬ÏÔÖø½µµÍ³ÉºË¹ýµç룬£¬Í¬Ê±ÓÐÓÃ×èÖ¹¸±·´Ó¦µÄ±¬·¢£¬£¬»º½âп¸º¼«µÄÇÖÊ´ÒÔ¼°ÎöÇâ¡£¡£¡£¡£¡£¡£ÆäÖУ¬£¬ÐÔÄÜ×îÍ»³öµÄÑùÆ·Zn|Sn-0.1¶Ô³Æµç³ØÖÐÕ¹ÏÖÁ˽ϵ͹ýµçλ(13.9 mV)²¢ÄÜÎȹÌÑ»·Áè¼Ý900Сʱ¡£¡£¡£¡£¡£¡£±ðµÄ£¬£¬ÓÉZn|Sn¸º¼«ÓëµâÕý¼«×é×°µÄZn|Sn-I2µç³ØÔÚÑ»·1200´ÎÑ»·ºóÈÔ¾ßÓÐ90.7 %µÄÈÝÁ¿¼á³ÖÂÊ£¬£¬³ä·ÖÏÔʾÁËZn|Sn-0.1µÄÓÅÒìÐÔÄÜ¡£¡£¡£¡£¡£¡£
ͼ2. (a) ´¿ ZnºÍZn|SnµÄXRDͼÆ×. (b)´¿ZnºÍZn|Sn-XÔÚ2 M ZnSO4µç½âÒºÖÐµÄ TafelÇúÏß. (c) Zn|Sn-0.10ºÍ´¿Zn³Á»ý°þÀë±ÈÕÕÒÔ¼° (d) ºÍÎÄÏ×±¨µÀµÄ±ÈÕÕ¡£¡£¡£¡£¡£¡£(e)¶Ô³Æµç³ØÖд¿ZnºÍZn|Sn-XÔÚ1 mA cm-2ºÍ1 mAh cm-2ϵÄÑ»·ÐÔÄÜ¡£¡£¡£¡£¡£¡£
ͼ3. Zn|SnºÍ´¿ZnÔÚZn-I2µç³ØÖеĵ绯ѧÐÔÄܽÏÁ¿. (a) 0.1 mV/s µÄCVÇúÏß. (b) Zn|Sn-I2µç³ØºÍ Zn-I2µç³ØµÄ±¶ÂÊÐÔÄÜ. (c) ²î±ðµçÁ÷ÃܶÈ϶ÔÓ¦µÄ³ä·ÅµçÇúÏß. (d) 5 CϵÄÑ»·ÐÔÄܺͿâÂØЧÂÊ. (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¸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׿ÆѧÊÖÒÕÔÚÐÂÐÍÄÜÔ´Ïà¹ØÁìÓòµÄÇ°ÑØÑо¿ÓëÓ¦Ó㬣¬¶Ô±ê¹ú¼Ê¶¥¼¶ÄÜÔ´ÆÚ¿¯£¬£¬ÖÂÁ¦ÓÚ½ÒÏþ¸ßˮƽµÄÔ´´ÐÔÑо¿ºÍ×ÛÊöÀàÂÛÎÄ¡£¡£¡£¡£¡£¡£±¾¿¯¿ª·Å»ñÈ¡£¬£¬2023Äê֮ǰÃâÊÕAPCÓöȣ¬£¬½Ó´ýÁÐλÏÈÉúӻԾͶ¸å¡£¡£¡£¡£¡£¡£Í¶¸åÇëÁªÏµ£ºNanoResearchEnergy@tup.tsinghua.edu.cn. |
