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雼れ�戧笀靻嶍暕旮堨磯毵れ潣 靸侂寑 鞙淀暕牍勳棎 霐半ジ 鞝勱赴鞝勲弰霃� 氚� 鞐愲剤歆� 霠堧波 鞓堨浮 靹标车
3彀�鞗� 旖旊皽韸� 雮橃澊鞓る竴 鞓レ偓鞚措摐 (CoNb2O6) 雮橂吀韥愲笇 甑�臁办泊 鞙勳棎 6:4 牍勳湪鞚� 雼堨紙鞚� (Ag0.6Ni0.4)鞚� 鞝侅傅頃� 瓿犾劚電� 2靸� (dual-phase) 鞝勱赴頇旐暀齑夒Г 靻岇灛 頃╈劚
旮办〈 Zn-Air (旮堨啀-瓿店赴) 2彀� 鞝勳�� 於╈爠 鞖╇焿鞚� 1.4氚�, 鞎堨爼靹� 3.8氚� 鞚挫儊鞙茧�� 須嶊赴鞝侅溂搿� 雴掛棳 
鞐愲剤歆�·頇橁步 攵勳暭 斓滌儊鞙� 甑�鞝� 頃欖垹歆�鞚� ‘Applied Catalysis B: Environmental’ 斓滌嫚順� 瓴岇灛

氇�氚旍澕 鞝勳瀽旮瓣赴, 鞝勱赴 鞛愲彊彀� 霌� 2彀� 鞝勳��鞚� 鞚戩毄 攵勳暭臧� 雱撿柎歆愳棎 霐半澕 靾橃殧電� 瓿勳啀頃挫劀 歃濌皜頃橁碃 鞛堧嫟. 旮办〈 毽�韸�鞚挫槰 旮半皹鞚� 2彀� 鞝勳��電� 韽�氚� 鞙勴棙靹标臣 於╈爠鞖╇焿 頃滉硠 霌膘潣 氍胳牅臧� 鞛堧姅 氚橂┐, Zn-Air (旮堨啀-瓿店赴) 鞝勳��電� 靸侂寑鞝侅溂搿� 雴掛潃 鞐愲剤歆� 氚�霃�, 雮�鞚� 臧�瓴�, 雴掛潃 鞎堨爼靹� 霌� 鞐�霟� 鞛レ爯鞚� 臧�歆�瓿� 鞛堨柎 旮办〈 毽�韸�鞚挫槰 鞝勳��鞐� 牍勴暣 鞖办垬頃� 2彀� 鞝勳��搿� 韽夑皜氚涥碃 鞛堧嫟.

頃橃��毵� Air 鞝戩磯氅挫棎 靷�鞖╇悩電� 韮勳唽 鞏戧饭鞚� 須�鞙�鞝侅澑 鞝勱赴頇旐暀鞝� OER-ORR (靷办唽 氚滌儩-靷办唽 頇橃洂 氚橃潙)鞚� 鞚检柎雮橃�� 鞎婈赴 霑岆�胳棎 鞚措ゼ 瓿犽牑頃� 靸堧�滌毚 瓿犿櫆靹� 齑夒Г鞚� 臧滊皽鞚� 鞖旉惮霅橃柎 鞕旊嫟. 鞚挫棎, 鞚�瓿� 雼堨紙 旮堨啀鞚� 霙办柎雮� 鞝勱赴頇旐暀 齑夒Г 韸轨劚鞚� 臧�歆�氙�搿�, 鞚措ゼ 雼れ�� 旮堨啀 頃╆笀鞙茧�� 鞝滌“頃橃棳 攴� 氍检劚鞚� 攴闺寑頇旍嫓旒� 鞝勳��鞚� 靹彪姤瓿� 鞎堨爼靹膘潉 霃欖嫓鞐� 雴掛澕 靾� 鞛堧姅 鞐瓣惮鞚� 頃勳殧靹膘澊 雽�霊愲悩瓿� 鞛堧嫟.

霃欔淡雽� 鞙淀暕鞐愲剤歆�鞁犾唽鞛�瓿淀暀瓿� 氚滊澕 鞐瓣惮 甑愳垬 (鞝�1鞝�鞛�), 甓岇垳觳� 甑愳垬 (甑愳嫚鞝�鞛�) 鞐瓣惮韺�鞚� 靾滌皑鞝� 靾橃棿 頃╈劚氩曥潉 鞝侅毄頃橃棳 鞁犼窚 3彀�鞗� 旮堨啀靷绊檾氍� 雮橂吀韥愲笇 甑�臁办泊 (CoNb2O6, 旖旊皽韸� 雮橃澊鞓る竴 鞓レ偓鞚措摐)鞙勳棎 韸轨爼 牍勳湪搿� 頃╆笀霅� 雼れ�戧笀靻嶍暕旮� 雮橂吀鞛呾瀽 (AgNi, 雼堨紙鞚�)毳� 鞝侅傅頃橃棳 靸堧�滌毚 2靸� (Dual-phase) 鞏戧饭鞛� 齑夒Г靻岇灛毳� 臧滊皽頃橂姅雿� 靹标车頄堧嫟.

甓� 甑愳垬 鞐瓣惮韺�鞚� AgNi 雼れ�戧笀靻嶍暕旮� 齑夒Г鞚� 靸侂寑 鞙淀暕牍勱皜 鞝勱赴鞝勲弰霃� 氚� 鞐愲剤歆� 霠堧波 臁办爤鞐� 韥� 旮办棳毳� 頃� 靾� 鞛堧嫟電� 鞝愳棎 彀╈晥頃橃棳, 氚�霃� 氩旐暔靾� 鞚措�犾潉 旮半皹鞙茧�� 頃� “臧�靸� 瓴办爼 攴检偓” (Virtual Crystal Approximation, VCA)毳� 靾橅枆頄堧嫟. 攴� 瓴瓣臣 鞚�瓿� 雼堨紙鞚� 靸侂寑 鞙淀暕牍勱皜 6:4 臧� 霅� 瓴届毎 斓滊寑 鞝勱赴 鞝勲弰霃� (σ)電� ~ 2 × 107 S•cm-1 , 鞚柬暔靾� (work function)鞚� -5.4 eV 鞐� 霃勲嫭頃� 靾� 鞛堧姅 瓴冹溂搿� 鞓堨浮霅愲嫟.
 

鞚� 鞝曤炒毳� 氚旐儠鞙茧�� OER 鞐�頃� 雼措嫻頃� 靾� 鞛堧姅 3彀�鞗� 雮橂吀韥愲笇 甑�臁办泊 (旖旊皽韸� 雮橃澊鞓る竴 鞓レ偓鞚措摐, CoNb2O6)毳� 靾橃棿 頃╈劚頄堦碃, 鞚� 3彀�鞗� 甑�臁办泊 鞙勳棎 雼れ嫓 頃� 氩� 靾滌皑鞝� 靾橃棿頃╈劚鞚� 韱淀暣 ORR 鞐�頃犾潉 雼措嫻頃� 靾� 鞛堧姅 6:4 牍勳湪鞚� 雼堨紙鞚� 旮堨啀雼れ�戫暕旮� 雮橂吀 鞛呾瀽毳� 攴犾澕頃橁矊 鞝侅傅頃橃棳 鞁犼窚 瓿犾劚電� 2靸� 齑夒Г 靻岇灛毳� 臧滊皽頃橂姅雿� 靹标车頄堧嫟.
 

韸鬼瀳, 鞚措爣瓴� 臧滊皽霅� 2靸� 齑夒Г 靻岇灛電� 旮办〈 韮勳唽 鞏戧饭鞛�鞚� 旮瓣车鞐� 頋§癌霅橃柎 氚橃潙 響滊┐鞝侅潉 雱擁瀳瓿�, 鞝勳瀽, 鞚挫槰, 氍检�� 鞝勲嫭鞚� 鞗愴櫆頃橁矊 頃橃棳 旮办〈 韮勳唽 鞝勱饭 雽�牍� 雴掛潃 齑夒Г 頇滌劚 氚� Zn-Air (旮堨啀-瓿店赴)鞝勳��鞚� 靹彪姤鞚� 氤挫榾雼�. 韸鬼瀳, 2靸� 齑夒Г靻岇灛毳� 靷�鞖╉暅 Zn-Air 鞝勳��電� 於╈爠鞖╇焿 806.8 mAhg-1鞚� 雼�靹表枅鞙茧┌, 鞚措姅 雼�鞚� 旮堨啀靷绊檾氍� 齑夒Г毳� 靷�鞖╉暅 Zn-Air 鞝勳�� 576.6 mAhg-1 雽�牍� 1.4氚� 鞚挫儊 歃濌皜霅� 靾橃箻鞚措嫟. 霕愴暅, 須�鞙�鞝侅澊瓿� 攴犿槙鞝侅澑 OER-ORR 氚橃潙鞚� 韱淀暣, 2靸� 齑夒Г Zn-Air 鞝勳��鞚� 於╇癌鞝� 靹彪姤鞚� 587鞁滉皠鞙茧�滌劀, 雼�鞚� 齑夒Г毳� 靷�鞖╉暅 鞝勳�� (156鞁滉皠)鞐� 牍勴暣 3.8氚� 鞚挫儊 須嶊赴鞝侅溂搿� 歃濌皜頄堧嫟.

甓岇垳觳� 甑愳垬電� “鞚措矆 鞐瓣惮毳� 韱淀暣 旮堨啀雼れ�戫暕旮� 鞝勱赴頇旐暀 齑夒Г鞚� 靸侂寑 鞙淀暕牍勳棎 霐半ジ 鞝勱赴鞝�, 氍茧Μ鞝� 韸轨劚鞚� 攴闺寑頇� 氚� 鞎堨爼頇� 頃� 靾� 鞛堧姅 旮办垹鞚� 鞕勳劚頄堧嫟. 鞚� 旮办垹鞚� 韱淀暣 靸堧�滌毚 瓿犾劚電� 2靸� 鞝勱赴頇旐暀鞝� 齑夒Г靻岇灛毳� 臧滊皽頃橂姅雿� 靹标车頄堦碃, 鞚措姅 旮办〈 韮勳唽 鞝勱饭鞐� 頋§癌頃橃棳 氤措嫟 雱撿潃 響滊┐鞝侁臣 頃�昊� 須�鞙�鞝�/攴犿槙鞝侅澑 OER-ORR (靷办唽氚滌儩-靷办唽頇橃洂 氚橃潙)鞚� 臧�電ロ晿瓴� 頃橃棳, 齑堦碃靹彪姤/鞎堨爼靹膘潣 彀�靹鸽寑 Zn-Air 2彀� 鞝勳��毳� 甑�順勴暅 瓴冹棎 鞚橂�戈皜 鞛堧嫟”氅� “臧滊皽霅� 2靸� 齑夒Г毳� 韽�頃�頃� 韮勳唽 鞝勱饭鞚� 韺岇毎旃� 靺� 韮�鞛呾棎靹滊弰 160鞁滉皠霃欖晥 鞎堨爼鞝侅溂搿� 鞖挫毄鞚� 霅橁赴 霑岆�胳棎, 彀�靹鸽寑 氚曤�夗槙 霕愲姅 頂岆爥靹滊笖 2彀� 鞝勳�� 靸侅毄頇旍棎 頃滉备鞚� 雿� 雼り皜臧� 靾� 鞛堨潉 瓴�”鞚措澕瓿� 旮半寑臧愳潉 雮橅儉雰堧嫟.

鞚措矆 鞐瓣惮瓴瓣臣電� 頃滉淡鞐瓣惮鞛�雼� 欷戧铂鞐瓣惮鞛愳��鞗愳偓鞐�, 彀届潣霃勳爠鞐瓣惮歆�鞗愳偓鞐� 歆�鞗� 霌膘溂搿� 靾橅枆霅愳溂氅�, <High-performance rechargeable metal–air batteries enabled by efficient charge transport in multielement random alloy electrocatalyst>霛茧姅 鞝滊�╈溂搿� 鞐愲剤歆�·頇橁步 攵勳暭 斓滌儊鞙� 甑�鞝� 頃欖垹歆� 銆孉pplied Catalysis B : Environmental銆�(IF=24.319) 銆� 2023雲� 3鞗� 14鞚� 鞓�霛检澑鞐� 瓴岇灛霅愲嫟.  

< “臧�靸� 瓴办爼 攴检偓 (VCA)” 氚╇矔鞚� 鞚挫毄頃� AgNi (雼堨紙鞚�) 雼れ�戧笀靻嶍暕旮� 齑夒Г鞚� 鞙淀暕牍勳棎 霐半ジ 鞐愲剤歆� 霠堧波瓿� 鞝勱赴鞝勲弰霃� 韸轨劚 鞓堨浮>
(a) Ag 鞕� Ni鞚� 靸侂寑 鞙淀暕牍勳棎 霐半ジ 瓴办爼甑�臁� 氤�頇� 鞓堨浮, (b), (c), (d) Ag鞕� Ni鞚� 靸侂寑 鞙淀暕牍勳棎  霐半ジ 臧侁皝 鞚柬暔靾�, 鞝勱赴鞝勲弰霃�, 鞛愱赴氇�氅橅姼 氤�頇� 鞓堨浮.

* 氤� 鞛愲�岇檧 甏�霠�霅� 氍胳潣電� 霃欔淡雽赌顷欔祼 甓岇垳觳� 甑愳垬 (02-2260-3678, kwansc12@dongguk.edu)鞐愱矊 頃挫＜鞁滉赴 氚旊瀺雼堧嫟.