Nitrogen-Doped Perovskite as a Bifunctional Cathode Catalyst for Rechargeable Lithium-Oxygen Batteries

Jinbo Zhang; Chaofeng Zhang; Wei Li; Qi Guo; Hongcai Gao; Ya You; Yutao Li; Zhiming Cui; Ke Cheng Jiang; Huijin Long; Dawei Zhang; Sen Xin

doi:10.1021/acsami.7b17289

Nitrogen-Doped Perovskite as a Bifunctional Cathode Catalyst for Rechargeable Lithium-Oxygen Batteries

Jinbo Zhang, Chaofeng Zhang, Wei Li, Qi Guo, Hongcai Gao, Ya You, Yutao Li, Zhiming Cui, Ke Cheng Jiang, Huijin Long, Dawei Zhang^*, Sen Xin

^*Corresponding author for this work

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

100 Citations (Scopus)

Abstract

In this work, nitrogen-doped LaNiO₃ perovskite was prepared and studied, for the first time, as a bifunctional electrocatalyst for oxygen cathode in a rechargeable lithium-oxygen battery. N doping was found to significantly increase the Ni³⁺ contents and oxygen vacancies on the bulk surface of the perovskite, which helped to promote the oxygen reduction reaction and oxygen evolution reaction of the cathode and, therefore, enabled reversible Li₂O₂ formation and decomposition on the cathode surface. As a result, the oxygen cathodes loaded with N-doped LaNiO₃ catalyst showed an improved electrochemical performance in terms of discharge capacity and cycling stability to promise practical Li-O₂ batteries.

Original language	English
Pages (from-to)	5543-5550
Number of pages	8
Journal	ACS applied materials & interfaces
Volume	10
Issue number	6
DOIs	https://doi.org/10.1021/acsami.7b17289
Publication status	Published - 14 Feb 2018
Externally published	Yes

Keywords

nitrogen-doped LaNiO
oxygen evolution reaction
oxygen reduction reaction
oxygen vacancies
rechargeable lithium-oxygen batteries

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10.1021/acsami.7b17289

Cite this

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title = "Nitrogen-Doped Perovskite as a Bifunctional Cathode Catalyst for Rechargeable Lithium-Oxygen Batteries",

abstract = "In this work, nitrogen-doped LaNiO3 perovskite was prepared and studied, for the first time, as a bifunctional electrocatalyst for oxygen cathode in a rechargeable lithium-oxygen battery. N doping was found to significantly increase the Ni3+ contents and oxygen vacancies on the bulk surface of the perovskite, which helped to promote the oxygen reduction reaction and oxygen evolution reaction of the cathode and, therefore, enabled reversible Li2O2 formation and decomposition on the cathode surface. As a result, the oxygen cathodes loaded with N-doped LaNiO3 catalyst showed an improved electrochemical performance in terms of discharge capacity and cycling stability to promise practical Li-O2 batteries.",

keywords = "nitrogen-doped LaNiO, oxygen evolution reaction, oxygen reduction reaction, oxygen vacancies, rechargeable lithium-oxygen batteries",

author = "Jinbo Zhang and Chaofeng Zhang and Wei Li and Qi Guo and Hongcai Gao and Ya You and Yutao Li and Zhiming Cui and Jiang, {Ke Cheng} and Huijin Long and Dawei Zhang and Sen Xin",

note = "Publisher Copyright: {\textcopyright} 2018 American Chemical Society.",

year = "2018",

month = feb,

day = "14",

doi = "10.1021/acsami.7b17289",

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volume = "10",

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journal = "ACS applied materials & interfaces",

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publisher = "American Chemical Society",

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TY - JOUR

T1 - Nitrogen-Doped Perovskite as a Bifunctional Cathode Catalyst for Rechargeable Lithium-Oxygen Batteries

AU - Zhang, Jinbo

AU - Zhang, Chaofeng

AU - Li, Wei

AU - Guo, Qi

AU - Gao, Hongcai

AU - You, Ya

AU - Li, Yutao

AU - Cui, Zhiming

AU - Jiang, Ke Cheng

AU - Long, Huijin

AU - Zhang, Dawei

AU - Xin, Sen

PY - 2018/2/14

Y1 - 2018/2/14

N2 - In this work, nitrogen-doped LaNiO3 perovskite was prepared and studied, for the first time, as a bifunctional electrocatalyst for oxygen cathode in a rechargeable lithium-oxygen battery. N doping was found to significantly increase the Ni3+ contents and oxygen vacancies on the bulk surface of the perovskite, which helped to promote the oxygen reduction reaction and oxygen evolution reaction of the cathode and, therefore, enabled reversible Li2O2 formation and decomposition on the cathode surface. As a result, the oxygen cathodes loaded with N-doped LaNiO3 catalyst showed an improved electrochemical performance in terms of discharge capacity and cycling stability to promise practical Li-O2 batteries.

AB - In this work, nitrogen-doped LaNiO3 perovskite was prepared and studied, for the first time, as a bifunctional electrocatalyst for oxygen cathode in a rechargeable lithium-oxygen battery. N doping was found to significantly increase the Ni3+ contents and oxygen vacancies on the bulk surface of the perovskite, which helped to promote the oxygen reduction reaction and oxygen evolution reaction of the cathode and, therefore, enabled reversible Li2O2 formation and decomposition on the cathode surface. As a result, the oxygen cathodes loaded with N-doped LaNiO3 catalyst showed an improved electrochemical performance in terms of discharge capacity and cycling stability to promise practical Li-O2 batteries.

KW - nitrogen-doped LaNiO

KW - oxygen evolution reaction

KW - oxygen reduction reaction

KW - oxygen vacancies

KW - rechargeable lithium-oxygen batteries

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U2 - 10.1021/acsami.7b17289

DO - 10.1021/acsami.7b17289

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SN - 1944-8244

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EP - 5550

JO - ACS applied materials & interfaces

JF - ACS applied materials & interfaces

IS - 6

ER -

Nitrogen-Doped Perovskite as a Bifunctional Cathode Catalyst for Rechargeable Lithium-Oxygen Batteries

Abstract

Keywords

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