浣滀负涓€绉嶆柊鍨嬪彲婧舵恫鍔犲伐鐨勭瀛愬瀷鍗婂浣撴潗鏂欙紝閲戝睘鍗ゅ寲鐗╅挋閽涚熆鍥犲叾甯﹂殭鍙皟銆佺己闄峰蹇嶅害杈冮珮浠ュ強鍒跺绠€鍗曠瓑浼樺娍鎴愪负杩戝勾鏉ュ厜鐢电爺绌堕鍩熺殑鐑偣鏉愭枡銆傜劧鑰岋紝涓庨攤绂诲瓙瀵间綋閿傞暓閽涙哀鍖栧悎鐗?Li3xLa2/3-xTiO3)鍏锋湁鐩镐技绌洪棿缁撴瀯鐨勯噾灞炲崵鍖栫墿閽欓挍鐭挎潗鏂欙紝鍏舵鏋跺唴鐨勯攤绂诲瓙浼犲鐗规€т互鍙婄浉鍏冲簲鐢ㄥ嵈灏戞湁鐮旂┒銆侟/p>
杩戞棩锛屼腑鍥界瀛︽妧鏈ぇ瀛﹀寲瀛︿笌鏉愭枡瀛﹂櫌濮氬畯鏂岃棰樼粍涓庡壇鐮旂┒鍛樺紶鍥芥、鍜孭HI CHINA鍗椾含琛ㄩ潰鍒嗘瀽瀹為獙瀹ゅ崥澹灎鐒曢懌鍚堜綔锛屽湪閲戝睘鍗ゅ寲鐗╅挋閽涚熆瀵奸攤灞傜殑鏋勫缓锛屽苟鐢ㄤ簬绋冲畾閿傞噾灞炵數姹犵殑鐮旂┒涓彇寰楄繘灞曘€傚瀹忔枌璇鹃缁勫厖鍒嗗埄鐢ㄦ隘鍩洪噾灞炲崵鍖栫墿閽欓挍鐭垮甯﹂殭銆佹垚鑶滄€уソ銆佸埗澶囩畝鍗曠瓑浼樺娍锛屽紑鍙戝嚭鍩轰簬閲戝睘鍗ゅ寲鐗╅挋閽涚熆鐨勬搴﹀閿傚眰锛屽疄鐜颁簡閲戝睘閿傝礋鏋佷笌鐢佃В娑茬殑闅旂锛屽ぇ骞呭害鎻愬崌浜嗛攤閲戝睘鐢垫睜鐨勫惊鐜ǔ瀹氭€с€傝鎴愭灉浠etal chloride perovskite thin film based interfacial layer for shielding lithium metal from liquid electrolyte 涓洪鍙戣〃鍦ㄣ€婅嚜鐒?閫氳銆嬩笂(DOI: 10.1038/s41467-020-15643-9)銆侟/p>
鐮旂┒浜哄憳鍙戠幇锛屽埄鐢ㄦ棆娑傛硶鍒跺鐨勯噾灞炴隘鍩洪挋閽涚熆(MASnCl3鍜孧APbCl3)鍏锋湁瀹圭撼鍜屼紶杈撻攤绂诲瓙鐨勭壒鎬?鍥? a)銆傜悊璁烘ā鎷熻绠楄〃鏄庯紝閿傜瀛愬湪閲戝睘鍗ゅ寲鐗╅挋閽涚熆MASnCl3鐨勬櫠鏍间腑娌跨潃[001]鏂瑰悜鐨勮縼绉昏兘鍨掍负0.45 eV锛岃繖涓庡凡鐭ョ殑閿傜瀛愬浣撳Li4GeS4(0.53 eV)鍜屛?Li3PS4(0.49 eV)鐩稿綋(鍥? b)銆傛牴鎹ā鎷熺粨鏋滐紝浼撮殢鐫€鐢茶兒绂诲瓙[CH3NH3]-鐨勫彇鍚戞壄杞紝閿傜瀛愬湪閽欓挍鐭挎櫠鏍间腑鐨勭┛姊涓烘部鐫€[SnCl6]4-鍏潰浣撳拰鐢茶兒绂诲瓙[CH3NH3]-涔嬮棿鐨勫洓闈綋绌虹┐杩涜銆傞€氳繃寰幆浼忓畨鏇茬嚎(鍥? c)鍜屾繁搴PS鍒嗘瀽锛岀爺绌朵汉鍛樺彂鐜帮紝閿傜瀛愬彲浠ユ彃鍏ラ噾灞炲崵鍖栫墿閽欓挍鐭跨殑鏅舵牸涓紝骞惰兘澶熷湪閽欓挍鐭?鍩哄簳鐣岄潰鍙€嗗湴杩涜鍚堥噾鍖?鍘诲悎閲戝寲鍙嶅簲锛屽湪搴曢儴鐢熸垚绾?00 nm鍘氱殑Li-Sn鍚堥噾灞傦紝鏋勬垚鐙壒鐨勯挋閽涚熆-鍚堥噾灞傛搴︽笎鍙樼粨鏋勩€傝Li-Sn鍚堥噾灞傚叿鏈夎緝楂樼殑閿傜瀛愯縼绉荤郴鏁?锝?0-4cm2s-1)锛屽悓鏃讹紝鐢熸垚鐨勫壇浜х墿LiCl鍏锋湁浼樿壇鐨勭數瀛愮粷缂樻€ц兘锛屽彲浠ヤ繚鎶や笂灞傜殑閽欓挍鐭跨粨鏋勪笉鍙楀埌鐮村潖銆傝繖绉嶇嫭鐗圭殑閽欓挍鐭?鍚堥噾灞傛搴︽笎鍙樼粨鏋勬湁鍒╀簬閿傜瀛愬湪鐢垫瀬涓婄殑鍧囧寑娌夌Н/鑴卞嚭銆侟/p>
杩涗竴姝ュ湴锛岀爺绌朵汉鍛樺彂灞曚簡鏂逛究鐨勫浐鐩歌浆鍗版柟娉曪紝灏嗘棆娑傛硶鍒跺鐨勯珮璐ㄩ噺姘熀閽欓挍鐭 (MASnCl3鍜孧APbCl3)钖勮啘鍘熶綅鍦拌浆绉诲埌閿傜當琛ㄩ潰锛屽舰鎴愬叿鏈夋搴︾粨鏋勭殑瀵奸攤灞 (鍥? a)銆傝閲戝睘鍗ゅ寲鐗╅挋閽涚熆瀵奸攤灞傚彲浠ユ敼鍠勭數瑙f恫涓庨攤閲戝睘鐨勭晫闈㈤棶棰橈紝瀹炵幇鑷村瘑鐨勯攤閲戝睘娌夌Н鍜岃劚鍑猴紝閬垮厤浜嗛攤鏋濇櫠鐢熼暱鍜岄攤閲戝睘鐢垫瀬鐨勭矇鍖?鍥? b)銆傛渶缁堢殑閿傞噾灞炲叏鐢垫睜鐢靛寲瀛﹀惊鐜祴璇曡〃鏄庯紝鍦ㄩ噾灞炲崵鍖栫墿閽欓挍鐭垮閿傚眰鐨勪繚鎶や笅锛屽嵆浣垮湪璐攤(50 渭m)鍜屾湁闄愮數瑙f恫(20 渭l mAh-1)浠ュ強2.8 mAh cm-2闈㈠閲忕殑涓ユ牸鏉′欢涓嬪惊鐜?00鍦堝悗瀹归噺浠嶄繚鎸佸湪80%浠ヤ笂锛岃€屾病鏈変繚鎶ゅ眰鐨勯攤閲戝睘鐢垫睜鍦ㄥ惊鐜?0鍦堝悗瀹归噺宸查檷浣庡埌鍒濆鐨?0%(鍥? c)銆侟/p>
璇ュ伐浣滄槸閲戝睘鍗ゅ寲鐗╅挋閽涚熆鏉愭枡鍦ㄩ攤閲戝睘璐熸瀬鐣岄潰瀵奸攤灞傚簲鐢ㄧ殑棣栨灏濊瘯锛屽苟涓旂粰鍑轰簡閲戝睘鍗ゅ寲鐗╅挋閽涚熆鏉愭枡楂橀攤绂诲瓙浼犲鎬ц兘鐨勬湁鍔涜瘉鎹€傚绋夸汉璇勪环涓猴細姝ゅ伐浣滄槸棣栨鎶ラ亾浣跨敤閲戝睘鍗ゅ寲鐗╅挋閽涚熆浣滀负閿傞噾灞炶礋鏋佺殑淇濇姢灞傘€傞噾灞炲崵鍖栫墿涓板瘜鐨勭粨鏋勫拰绋冲畾鐨勬鏋跺皢涓烘柊鍨嬪浐鎬佺數瑙h川璁捐鍜岄珮鎬ц兘閿傞噾灞炵數姹犳瀯绛戞彁渚涙洿澶氱殑鍙鎬ф€濊矾銆侟/p>
璁烘枃鐨勫叡鍚岀涓€浣滆€呮槸鍖栧涓庢潗鏂欏闄㈠崥澹敓娈烽€歌嚕銆佺澹敓鐜嬭寽鍜屽皯骞寸彮瀛﹂櫌鐨勬湰绉戠敓鏉ㄧ珵澶┿€傚瀹忔枌銆佸紶鍥芥、銆侀灎鐒曢懌涓鸿璁烘枃鐨勫叡鍚岄€氳浣滆€呫€傝椤圭爺绌跺緱鍒板浗瀹惰嚜鐒剁瀛﹀熀閲戝銆佺鎶€閮ㄣ€佸悎鑲ュ井灏哄害鐗╄川绉戝鍥藉鐮旂┒涓績鍜屼腑鍥界澶у井绾冲姞宸ヤ腑蹇冪殑鏀寔銆侟/p>
鍥? 閲戝睘鍗ゅ寲鐗╅挋閽涚熆妗嗘灦鐨勯攤绂诲瓙浼犲鐗规€ф満鐞嗘帰绌躲€俛锛岄攤绂诲瓙鍦ㄩ噾灞炲崵鍖栫墿閽欓挍鐭挎櫠鏍间腑鐨勮縼绉诲苟鍧囧寑娌夌Н鍦ㄥ熀搴曠殑绀烘剰鍥俱€俠锛岄攤绂诲瓙鍦ㄩ噾灞炲崵鍖栫墿閽欓挍鐭縈ASnCl3鏅舵牸涓殑杩佺Щ鑳藉瀿璁$畻銆俢锛屾棆娑傛湁閲戝睘鍗ゅ寲鐗╅挋閽涚熆钖勮啘鐢垫瀬鐨勫惊鐜紡瀹夋洸绾裤€侟/p>
鍥? 閲戝睘鍗ゅ寲鐗╅挋閽涚熆閿傞噾灞炰繚鎶ゅ眰鐨勫埗澶囦笌鐗规€с€俛锛屽浐鐩歌浆鍗拌繃绋嬪強鎴愬垎鐨勬搴﹀彉鍖栥€俠锛岄噾灞炲崵鍖栫墿閽欓挍鐭夸繚鎶ゅ眰瀹炵幇閿傞噾灞炵殑鑷村瘑娌夌Н銆俢锛岃传閿傚拰鏈夐檺鐢佃В娑茬殑娴嬭瘯鏉′欢涓嬬殑Li||LCO鍏ㄧ數姹犵殑瀹归噺淇濇寔鏇茬嚎銆侟/p>