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. |
