灞卞ぇ鍏氶攱鏁欐巿銆佸鏃﹀瓟褰暀鎺堛奅nergy Stor. Mater.銆嬶細鍏鋒湁鍗忓悓鍌寲鏁堝簲鐨勬柊鍨嬮攤浜屾哀鍖栫⒊鐢墊睜鍌寲鍓?/span>
2021-09-28 鏉ユ簮:涓浗鑱氬悎鐗╃綉 鐐瑰嚮嬈?/span>
鍏抽敭璇嶏細鐢墊睜鍌寲鍓?/a>
榪戞湡灞變笢澶у鍏氶攱鏁欐巿涓庡鏃﹀ぇ瀛?/span>瀛斿姜鏁欐巿鑱斿悎鍦ㄣ?/span>Energy Stor. Mater.銆嬫湡鍒婁笂鍙戣〃浜嗛涓衡?/span>Super-assembled Atomic Ir Catalysts on Te Substrates with Synergistic Catalytic Capability for Li-CO2 Batteries鈥濈殑鏂囩珷錛圖OI: 10.1016/j.ensm.2021.09.017錛夈?/span>鍗氬＋鐮旂┒鐢?/span>緲熻壋鏉?/span>涓鴻鏂囩涓浣滆呫傞攤浜屾哀鍖栫⒊鐢墊睜鍥犱負鍏剁幆澧冨弸濂芥у拰瓚呴珮鐨勭悊璁鴻兘閲忓瘑搴﹁璁や負鏄笅涓浠ｅ偍鑳界郴緇熸湁甯屾湜鐨勭殑鍊欓夎呫?/span>涓烘彁楂樺叾鍦ㄩ珮鍊嶇巼涓嬬殑寰幆紼沖畾鎬у拰鐞嗚В澶嶆潅鐨勭數姹犲弽鐪佹満鐞嗐傝璇鵑緇勮璁″埗澶囦簡涓縐嶄互Te鍗曟櫠涓哄熀搴曡秴緇勮Ir鏃犲畾褰㈠師瀛愬眰鐨勬柊鍨嬮攤浜屾哀鍖栫⒊鍌寲鍓傘傝鍌寲鍓傚疄鐜頒簡13247.1 mAh g-1鐨勮秴楂樻瘮瀹歸噺鍦ㄥ強鍦?000mA g-1楂樺嶇巼涓嬬ǔ瀹氬驚鐜?50鍦堛傞氳繃Ir鍘熷瓙灞傚拰Te鍩哄簳鐨勫崗鍚屽偓鍖栨晥搴旀渶澶у寲Ir鍘熷瓙媧繪т綅鐐圭殑鍌寲鏁堟灉銆傛澶栧師浣?/span>XPS錛孹RD鍜?/span> DEMS 鍒嗘瀽鎻ず浜嗗湪閿備簩姘у寲紕崇數姹犱腑鏀劇數浜х墿紕抽吀閿傚拰鏃犲畾褰㈢⒊鍙婁腑闂翠駭鐗╄崏閰擱攤鐨勫艦鎴愬垎瑙ｈ繃紼嬨侱FT璁＄畻璇佹槑浜嗗崗鍚屽偓鍖栬繃紼嬩腑鍙兘鐨勫弽搴旇礬寰勩傚湪CRR榪囩▼涓璗e鍩哄簳鍙互紼沖浐鍔犻熶腑闂翠綋鐨勫艦鎴愬茍綺劇粏鍙嶅簲璺緞錛屽悓鏃跺叾瀵逛簬浜屾哀鍖栫⒊鐨勬鍚擱檮鑳藉彲浠ュ姞閫烠ER榪囩▼鐨勫彂鐢熴傛鏂板瀷鐢靛偓鍖栧墏鐨勫簲鐢ㄤ笉浣嗘湁鍔╀簬瀵歸攤浜屾哀鍖栫⒊鐢墊睜鍐呭湪鏈虹悊鐨勭悊瑙ｅ茍涓哄叿鏈夐珮鍊嶇巼寰幆紼沖畾鎬х殑閿備簩姘у寲紕崇數姹犺璁℃彁渚涙柊鎬濊礬銆?/span>
鍥?/span>1 (a) Te綰崇背綰?/span> (b) atomic Ir-Te綰崇背綰垮悎鎴愯繃紼嬬殑紺烘剰鍥?/span>.
鍥?/span>2 atomic Ir-Te綰崇背綰跨殑 (a) 閫忓皠 (b) 閫夊尯鐢靛瓙琛嶅皠 (d) 楂樺垎杈ㄩ忓皠錛坋-h錛夐珮瑙掔幆褰㈡殫鍦哄儚-鎵弿閫忓皠鐢靛瓙鏄懼井闀滈潰鎻忓浘銆?/span>Te綰崇背綰跨殑 (c) 楂樺垎杈ㄩ忓皠鍥俱?/span>(i) x灝勭嚎琛嶅皠鍥?/span> (j-l) 鍏夌數瀛愯兘璋卞浘
鍥?/span>3 (a)鎴數鍘嬪厖鏀劇數瀹歸噺瀵規瘮鍥?/span> (b) 鍊嶇巼鎬ц兘瀵規瘮鍥?/span> (c)寰幆浼忓畨鍥俱傦紙d-g錛堿tomic Ir-Te 鍌寲鍓傛埅瀹歸噺涓?/span>500 mAh g-1 鍜?/span>1000 mAh g-1鐨勫驚鐜姣斿浘銆?/span>
鍥? atomic Ir-Te鍌寲鍓傦紙a錛夋埅鐐瑰帇鍏呮斁鐢墊洸綰垮浘錛坆-f錛?-4闃舵鐨勫厖鏀劇數鍘熶綅鍏夌數瀛愯兘璋卞浘錛坓錛夊井鍒嗙數鍖栧璐ㄨ氨鍥?/span>
鍥? (a) Ir(111)鍜孴e(001)鍗曞垎瀛愬眰鍌寲鍙嶅簲鐩稿浘銆?/span> (b)鍚擱檮鑳?/span>瀵規瘮鍥俱?/span> (c-d) CRR鍜孋ER鍦ㄥ崟灞侷r鎴朤e琛ㄩ潰涓嶅悓璺緞鐨勮嚜鐢辮兘鍥俱?c)闆剁數鏋佺數浣?U=0V)鐨凜RR璺緞;(d)姝ｇ數鏋佺數浣?U=1.74V)鐨凜ER璺緞銆?/span>
鍥? (a) 璁＄畻Ir(111)涓奀RR鍜孋ER鐨?a) PATH1錛?(b) PATH2鐨勮兘綰у浘銆?/span> (c) 鍏呮斁鐢佃繃紼嬩腑鐢靛偓鍖栧弽搴旀満鐞嗙ず鎰忓浘銆?/span>
鐩稿叧閾炬帴
https://doi.org/10.1016/j.ensm.2021.09.017
鍏嶈矗澹版槑錛氶儴鍒嗚祫鏂欐潵婧愪簬緗戠粶錛岃漿杞界殑鐩殑鍦ㄤ簬浼犻掓洿澶氫俊鎭強鍒嗕韓錛屽茍涓嶆剰鍛崇潃璧炲悓鍏惰鐐規垨璇佸疄鍏剁湡瀹炴э紝
涔熶笉鏋勬垚鍏朵粬寤鴻銆備粎鎻愪緵浜ゆ祦騫沖彴錛屼笉涓哄叾鐗堟潈璐熻矗銆傚娑夊強渚墊潈錛岃鑱旂郴鎴戜滑鍙婃椂淇敼鎴栧垹闄ゃ?br>閭錛歩nfo@polymer.cn
錛堣矗浠葷紪杈戯細sun錛?
