Chlorine-anion doping induced multi-factor optimization in perovskties for boosting intrinsic oxygen evolution

Yinlong Zhu; Qian Lin; Zhenbin Wang; Dongchen Qi; Yichun Yin; Yu Liu; Xiwang Zhang; Zongping Shao; Huanting Wang

doi:10.1016/j.jechem.2020.03.055

Chlorine-anion doping induced multi-factor optimization in perovskties for boosting intrinsic oxygen evolution

Yinlong Zhu, Qian Lin, Zhenbin Wang, Dongchen Qi, Yichun Yin, Yu Liu, Xiwang Zhang, Zongping Shao, Huanting Wang

Research output: Contribution to journal › Article › peer-review

87 Scopus citations

Abstract

The oxygen evolution reaction (OER) plays a crucial role in many electrochemical energy technologies, and creating multiple beneficial factors for OER catalysis is desirable for achieving high catalytic efficiency. Here, we highlight a new halogen-chlorine (Cl)-anion doping strategy to boost the OER activity of perovskite oxides. As a proof-of-concept, proper Cl doping at the oxygen site of LaFeO₃ (LFO) perovskite can induce multiple favorable characteristics for catalyzing the OER, including rich oxygen vacancies, increased electrical conductivity and enhanced Fe-O covalency. Benefiting from these factors, the LaFeO_2.9-δCl_0.1 (LFOCl) perovskite displays significant intrinsic activity enhancement by a factor of around three relative to its parent LFO. This work uncovers the effect of Cl-anion doping in perovskites on promoting OER performance and paves a new way to design highly efficient electrocatalysts.

Original language	English
Pages (from-to)	115-120
Number of pages	6
Journal	Journal of Energy Chemistry
Volume	52
DOIs	https://doi.org/10.1016/j.jechem.2020.03.055
State	Published - Jan 2021
Externally published	Yes

Keywords

Anion doping
Halogen chlorine
Multiple beneficial factors
Oxygen evolution reaction
Perovskite oxide

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10.1016/j.jechem.2020.03.055

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title = "Chlorine-anion doping induced multi-factor optimization in perovskties for boosting intrinsic oxygen evolution",

abstract = "The oxygen evolution reaction (OER) plays a crucial role in many electrochemical energy technologies, and creating multiple beneficial factors for OER catalysis is desirable for achieving high catalytic efficiency. Here, we highlight a new halogen-chlorine (Cl)-anion doping strategy to boost the OER activity of perovskite oxides. As a proof-of-concept, proper Cl doping at the oxygen site of LaFeO3 (LFO) perovskite can induce multiple favorable characteristics for catalyzing the OER, including rich oxygen vacancies, increased electrical conductivity and enhanced Fe-O covalency. Benefiting from these factors, the LaFeO2.9-δCl0.1 (LFOCl) perovskite displays significant intrinsic activity enhancement by a factor of around three relative to its parent LFO. This work uncovers the effect of Cl-anion doping in perovskites on promoting OER performance and paves a new way to design highly efficient electrocatalysts.",

keywords = "Anion doping, Halogen chlorine, Multiple beneficial factors, Oxygen evolution reaction, Perovskite oxide",

author = "Yinlong Zhu and Qian Lin and Zhenbin Wang and Dongchen Qi and Yichun Yin and Yu Liu and Xiwang Zhang and Zongping Shao and Huanting Wang",

note = "Publisher Copyright: {\textcopyright} 2020",

year = "2021",

month = jan,

doi = "10.1016/j.jechem.2020.03.055",

language = "英语",

volume = "52",

pages = "115--120",

journal = "Journal of Energy Chemistry",

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TY - JOUR

T1 - Chlorine-anion doping induced multi-factor optimization in perovskties for boosting intrinsic oxygen evolution

AU - Zhu, Yinlong

AU - Lin, Qian

AU - Wang, Zhenbin

AU - Qi, Dongchen

AU - Yin, Yichun

AU - Liu, Yu

AU - Zhang, Xiwang

AU - Shao, Zongping

AU - Wang, Huanting

PY - 2021/1

Y1 - 2021/1

N2 - The oxygen evolution reaction (OER) plays a crucial role in many electrochemical energy technologies, and creating multiple beneficial factors for OER catalysis is desirable for achieving high catalytic efficiency. Here, we highlight a new halogen-chlorine (Cl)-anion doping strategy to boost the OER activity of perovskite oxides. As a proof-of-concept, proper Cl doping at the oxygen site of LaFeO3 (LFO) perovskite can induce multiple favorable characteristics for catalyzing the OER, including rich oxygen vacancies, increased electrical conductivity and enhanced Fe-O covalency. Benefiting from these factors, the LaFeO2.9-δCl0.1 (LFOCl) perovskite displays significant intrinsic activity enhancement by a factor of around three relative to its parent LFO. This work uncovers the effect of Cl-anion doping in perovskites on promoting OER performance and paves a new way to design highly efficient electrocatalysts.

AB - The oxygen evolution reaction (OER) plays a crucial role in many electrochemical energy technologies, and creating multiple beneficial factors for OER catalysis is desirable for achieving high catalytic efficiency. Here, we highlight a new halogen-chlorine (Cl)-anion doping strategy to boost the OER activity of perovskite oxides. As a proof-of-concept, proper Cl doping at the oxygen site of LaFeO3 (LFO) perovskite can induce multiple favorable characteristics for catalyzing the OER, including rich oxygen vacancies, increased electrical conductivity and enhanced Fe-O covalency. Benefiting from these factors, the LaFeO2.9-δCl0.1 (LFOCl) perovskite displays significant intrinsic activity enhancement by a factor of around three relative to its parent LFO. This work uncovers the effect of Cl-anion doping in perovskites on promoting OER performance and paves a new way to design highly efficient electrocatalysts.

KW - Anion doping

KW - Halogen chlorine

KW - Multiple beneficial factors

KW - Oxygen evolution reaction

KW - Perovskite oxide

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U2 - 10.1016/j.jechem.2020.03.055

DO - 10.1016/j.jechem.2020.03.055

M3 - 文章

AN - SCOPUS:85085098368

SN - 2095-4956

VL - 52

SP - 115

EP - 120

JO - Journal of Energy Chemistry

JF - Journal of Energy Chemistry

ER -

Chlorine-anion doping induced multi-factor optimization in perovskties for boosting intrinsic oxygen evolution

Abstract

Keywords

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