V 'Bridged' Co-O to Eliminate Charge Transfer Barriers and Drive Lattice Oxygen Oxidation during Water-Splitting

Li Zhongtao; Yang Jun; Chen Zhou; Zheng Caiyan; Wei Liang Qin; Yan Yingchun; Hu Han; Wu Mingbo; Hu Zhenpeng

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V 'Bridged' Co-O to Eliminate Charge Transfer Barriers and Drive Lattice Oxygen Oxidation during Water-Splitting

机译：V'桥接'CO-O消除电荷转移屏障和在水分裂过程中驱动晶格氧气氧化

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Oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) play significant role on the practical applications of water splitting for producing clean fuel. Although some low-cost metal oxides are active on catalyzing OER and HER, the instinct drawback of sluggish charges carriers transfer mobility decrease the reactions kinetic and hinder their application. To overcome the issue, Co-V oxide is successfully built-up with a Co-O-V structure to eliminate energy barrier during carriers transfer by the spin-flip hopping process, which can be coated on various substrate to stimulate OER and HER. Moreover, the V "bridge" between Co-O bonds stimulates the OER through more effective lattice oxygen oxidation mechanism, which can directly format O-O bond in more effective pathway. The protocol could be spread on rational design of such OER electrocatalysts on various electrode to lower-cost water splitting.

机译：氧气进化反应（oer）和氢进化反应（她）在水分裂的实际应用中起着显着作用，用于生产清洁燃料。虽然一些低成本的金属氧化物在催化Oer和她的催化剂上是活性的，但是缓慢的电荷载体的本能缺点转移迁移率降低了反应动力学并阻碍了它们的应用。为了克服该问题，CO-V氧化物成功地建立了CO-O-V结构，以通过旋转跳跳处理在载体转移期间消除能量屏障，这可以涂覆在各种基板上以刺激遮挡件。此外，CO-O键之间的V“桥”通过更有效的晶格氧氧化机制刺激陶氏，这可以在更有效的途径中直接格式化O-O键。该方案可以在各种电极上展开这种OER电催化剂的合理设计，以降低成本水分裂。

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来源
《Advanced Functional Materials》 |2021年第9期|2008822.1-2008822.8|共8页
作者
Li Zhongtao; Yang Jun; Chen Zhou; Zheng Caiyan; Wei Liang Qin; Yan Yingchun; Hu Han; Wu Mingbo; Hu Zhenpeng;
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Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Nankai Univ Sch Phys Tianjin 300071 Peoples R China;

Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Univ Petr East China Coll Chem Engn State Key Lab Heavy Oil Proc Qingdao 266580 Peoples R China;

Nankai Univ Sch Phys Tianjin 300071 Peoples R China;

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正文语种 eng
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bifunctional electrocatalyst; cobalt oxide; overall water splitting; spin#8208; flip hopping;

机译：双功能电催化剂;氧化钴;整体水分裂;旋转翻转跳跃;

V 'Bridged' Co-O to Eliminate Charge Transfer Barriers and Drive Lattice Oxygen Oxidation during Water-Splitting

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