½üÈÕ£¬»·»¯Ñ§ÔºÉäÏßÀûÓÃ×êÑÐËùÀîÕä×êÑÐÔ±ºÍÍõ¹ÙÒ«¸±×êÑÐÔ±ºÏ×÷ÔÚ×ÊÁÏÁìÓò¹ú¼Ê³ÛÃûÆÚ¿¯¡¶Advanced Functional Materials¡·Éϰ䷢ÌâΪ¡°In Situ Constructed Co/NaCl Mixed Ion/Electron-Conducting Interphase Enabling Dendrite-Free Sodium Metal Anodes¡±µÄ×êÑÐÂÛÎÄ¡£

ÄÆ½ðÊô¸º¼«ÒòÆä¼«¸ßµÄÀíÂÛ±ÈÈÝÁ¿£¨1166 mAh g?1£©ÓëµÍµç»¯Ñ§»¹Ôµç루?2.73 V vs. SHE£©£¬±ÉÈËÒ»´ú¸ßÄÜÁ¿Ãܶȶþ´Îµç³ØÖÐչʾ³ö¾Þ´óÀûÓÃDZÁ¦¡£È»¶ø£¬Æä¸ß»¯Ñ§»îÐÔÒý·¢µÄÖ¦¾§³É³¤¡¢SEIĤ²»²»±äÒÔ¼°¾çÁÒÌå»ýÅòÕ͵ÈÎÊÌ⣬ÑϳÁÔìÔ¼ÁËÄÆ½ðÊôµç³ØµÄÏÖʵÀûÓá£Ö»¹ÜÒÑÓеç½âÒºÓÅ»¯¡¢ÈËΪSEI¹¹½¨ºÍÈýά¼¯Á÷ÌåµÈÕ½Êõ±»Ìá³ö£¬µ«ÔÚÁ½È«½çÃæ²»±äÐÔ¡¢µ¼µçÐÔ¼°»úеǿ¶ÈµÄͬʱʵÏÖÄÆ½ðÊôµç³ØµÄ¸ß±¶Âʳ¤ÃüÃüÑ»·£¬ÈÔÃæ¶Ô¼«´óÌôÕ½¡£
Ϊ´Ë£¬×êÑÐÍŶÓÌá³öÒ»ÖÖÔλ¹¹½¨µÄ»ìºÏÀë×Ó/µç×Óµ¼Ì壨MIEC£©ÈËΪ½çÃæ²ã£¬Í¨¹ýCoCl2Óë½ðÊôÄÆµÄÔλȡ´ú·´Ó³£¬ÌìÉúÁËÓÉCoÄÉÃ׿ÅÁ£ÓëNaClÄÉÃ×¾§Ìå×é³ÉµÄË«Ïà½á¹¹£¨¼Ç×÷Co/NaCl£©¡£¸Ã½çÃæ²ãÖеÄNaClÏàÌṩÓÅÒìµÄNa+Ǩáãͨ·£¨À©É¢ÄÜÀݽöΪ0.058 eV£©£¬¶øCoÍøÂçÔò¾ß±¸ÓÅÔ½µÄµç×Óµ¼µçÐÔÓëÏÔÖøµÄÇ×ÄÆÐÔ£¨Îü¸½ÄÜΪ?5.98 eV£©£¬Í¬Ê±ÌáÉýÁ˽çÃæµÄ»úеǿ¶È£¨ÑîÊÏÄ£Á¿Îª5.02 GPa£©£¬´Ó¶øÓÐЧÓÕµ¼ÄƵľùÔȳÁ»ý£¬ÒÖÔìÖ¦¾§³É³¤¡£µÃÒæÓÚ¸ÃMIECÈËΪSEI²ãµÄ¹¹½¨£¬ÄƽðÊô¸º¼«ÔÚÑÏ¿Áµç»¯Ñ§Ç°ÌáÏÂչʾ³ö׿ԽµÄ»úÄܲû·¢£ºCo/NaCl/Na||Cu°ëµç³ØÔÚ5 mA cm?2/5 mAh cm?2ǰÌáϲ»±äÑ»·1000Ȧ£¬Æä¾ùÔÈ¿âÂØÐ§Äܸߴï99.89%£»¶Ô³Æµç³ØÔÚ4 mA cm?2/4 mAh cm?2ǰÌáϳÖÐøÔËÐÐ1000Ó×ʱ£¬¶ÔÓ¦·ÅµçÉî¶È¸ß´ï75%£»È«µç³Ø·½Ã棬ÓëNa3V2(PO4)3Õý¼«Æ¥Åäºó£¬ÔÚ8 C±¶ÂÊÏÂÔËÐÐ1000ȦºóÈÔά³Ö82 mAh g?1µÄ¸ßÈÝÁ¿¡£¸ÃÔλ¹¹½¨µÄCo/NaCl½çÃæ²ã¼æ¾ß¸ßЧµÄÀë×Ó/µç×Ó´«ÊäÄÜÁ¦Óë»úеÈÍÐÔµÈÌØµã£¬Îª²»±äÄÆ½ðÊô¸º¼«ÌṩÁ˿ɹæÄ£»¯ÊµÏÖµÄÐÂõè¾¶£¬¶ÔÍÆ¶¯¸ß±ÈÄÜÄÆ½ðÊôµç³ØµÄʵÓû¯ÓµÓгÁÒªÒâ˼¡£

Co/NaCl»ìºÏÀë×Ó/µç×Óµ¼ÌåÒÖÔìÄÆÖ¦¾§µÄʾÒâͼ
CA88²©Ê¿×êÑÐÉúÍõÑÞΪ±¾ÎĵÚÒ»×÷Õߣ¬ÀîÕä×êÑÐÔ±¡¢Íõ¹ÙÒ«¸±×êÑÐÔ±¡¢ÑïÖÝ´óѧÖÜÎÄ·ï³¢ÊÔʦºÍÉϺ£Àí¹¤´óѧÎⳬ½ÌÊÚΪͨѶ×÷Õߣ¬CA88ΪµÚһʵÏÖµ¥ÔªºÍͨѶµ¥Ôª¡£¸Ã×êÑеõ½Á˹ú¶ÈÌìÈ»¿ÆÑ§»ù½ð¡¢ÉϺ£Êа×ÓñÀ¼ÈË²ÅÆÖ½ÏîÄ¿ºÍÉϺ£ÊÐÌìÈ»¿ÆÑ§»ù½ðµÈÏîÖ÷ÕÅÔÞÖú¡£
ÂÛÎÄÁ´½Ó£ºhttps://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.202508384