Electrocatalytic oxygen evolution with a cobalt complex

Shi Hua-Tian; Li Xiu-Xiu; Wu Fang-Hui; Yu Wei-Bin

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Electrocatalytic oxygen evolution with a cobalt complex

机译：用钴络合物电催化氧气进化

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The development of an earth-abundant, first-row water oxidation catalyst that operates at a high TOF and a low overpotential remains a fundamental chemical challenge. Cobalt complexes are important members of water oxidation catalysts. Herein, we report a cobalt-based robust homogeneous water oxidation catalyst, which can electrocatalyze water oxidation at a high pH and a low overpotential (eta = 520 mV) in phosphate buffer. This homogeneous system exhibits a high turnover frequency (about 5 s(-1)) of catalyzing water oxidation to produce oxygen at eta= 720 mV. We speculate the mechanism of the reaction that O-O bond formation prefers a HO-OH coupling in catalytic water oxidation.

机译：在高TOF和低过电位下运行的地球丰富的一排水氧化催化剂的发展仍然是一个基本的化学挑战。钴络合物是水氧化催化剂的重要成员。在此，我们报告了一种基于钴的稳健均匀水氧化催化剂，其在磷酸盐缓冲液中可以在高pH和低过电位（ETA = 520mV）下电催化水氧化。该均匀的系统具有高端频率（约5S（-1））催化水氧化，在ETA = 720mV下生产氧气。我们推测了O-O键形成更喜欢在催化水氧化中的HO-OH偶联的反应的机制。

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来源
《Dalton transactions: An international journal of inorganic chemistry》 |2017年第46期|共6页
作者
Shi Hua-Tian; Li Xiu-Xiu; Wu Fang-Hui; Yu Wei-Bin;
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作者单位

Anhui Univ Technol Engn Res Inst Anal &

Testing Cent Facil Maanshan 243002 Peoples R China;

Anhui Univ Technol Engn Res Inst Anal &

Testing Cent Facil Maanshan 243002 Peoples R China;

Anhui Univ Technol Engn Res Inst Anal &

Testing Cent Facil Maanshan 243002 Peoples R China;

Anhui Univ Technol Engn Res Inst Anal &

Testing Cent Facil Maanshan 243002 Peoples R China;

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正文语种 eng
中图分类化学;无机化学;
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1. Syntheses, structures, magnetism and electrocatalytic oxygen evolution for four cobalt, manganese and copper complexes with dinuclear, 1D and 3D structures [J] . Zhong Li, Xie Shang-Fang, He Jian-Qiang, Dalton transactions: An international journal of inorganic chemistry . 2019,第10期

机译：四个钴，锰和铜配合物的合成，结构，磁性和电催化氧气演化，二维核，1D和3D结构
2. Electrocatalytic performance evaluation of cobalt hydroxide and cobalt oxide thin films for oxygen evolution reaction [J] . Babar P. T., Lokhande A. C., Pawar B. S., Applied Surface Science . 2018,第ptaa期

机译：氢氧化钴和氧化钴薄膜对析氧反应的电催化性能评价
3. Engineering Cobalt Defects in Cobalt Oxide for Highly Efficient Electrocatalytic Oxygen Evolution [J] . Zhang Rongrong, Zhang Yong-Chao, Pan Lun, ACS catalysis . 2018,第5期

机译：高效电催化氧气进化中氧化钴的工程钴缺陷
4. Prussian-Blue Type Cyanometallate Systems with Cobalt and Ruthenium As Oxygen Evolution Electrocatalytic Components for Water Electrolysis in Acid Medium [C] . Iwona Agnieszka Rutkowska, Marzena Krech, Yuki Sato, Meeting of the Electrochemical Society;International Meeting on Chemical Sensors . 2020

机译：具有钴和钌的普鲁士 - 蓝型Cyanometallate系统作为酸性介质水电解的氧气进化电催化组分
5. The Electrocatalytic Evolution of Oxygen and Hydrogen by Cobalt and Nickel Compounds. [D] . Bediako, Daniel Kwabena Dakwa. 2015

机译：钴和镍化合物对氧和氢的电催化释放。
6. An Ultrasonication-Assisted Cobalt Hydroxide Composite with Enhanced Electrocatalytic Activity toward Oxygen Evolution Reaction [O] . Yujun Si, Chaozhong Guo, Chenglong Xie, 2018

机译：具有增强的氧分解反应电催化活性的超声辅助氢氧化钴复合材料
7. Enabling and Inducing Oxygen Vacancies in Cobalt Iron Layer Double Hydroxide via Selenization as Precatalysts for Electrocatalytic Hydrogen and Oxygen Evolution Reactions [O] . -1

机译：通过硒化为电催化氢和氧气进化反应的硒化，通过硒化获得和诱导钴铁层双氢氧化物中的氧空位。
8. Electrocatalytic Reduction of Molecular Oxygen by Mononuclear and Binuclear Cobalt Phthalocyanines [R] . Hempstead, M. R., Lever, A. B., Leznoff, C. C. 1987

机译：单核和双核钴酞菁对分子氧的电催化还原

Electrocatalytic oxygen evolution with a cobalt complex

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