Atomic layered deposition iron oxide on perovskite LaNiO3 as an efficient and robust bi-functional catalyst for lithium oxygen batteries

Gong, Cheng; Zhao, Ling; Ли, Шуай; Wang, Huanwen; Gong, Yansheng; Wang, Rui; He, Beibei

doi:10.1016/j.electacta.2018.05.161

Cited by 57 publications

(29 citation statements)

References 69 publications

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“…The Fe-NiOOH catalyst shows high OER catalytic activity with an overpotential of 360 mV at 10 mA cm −2 without IR correction. The LNO catalyst exhibits an overpotential of 420 mV at 10 mA cm −2 , which is consistent with the earlier reports [72,73]. However, the LNFO sample shows a poor performance compared with Fe-LNO, and it needs 460 mV to reach 10 mA cm −2 .…”

Section: Superior Electrochemical Performance Of Fe-lnosupporting

confidence: 90%

Boosting Lattice Oxygen Oxidation of Perovskite to Efficiently Catalyze Oxygen Evolution Reaction by FeOOH Decoration

et al. 2020

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In the process of oxygen evolution reaction (OER) on perovskite, it is of great significance to accelerate the hindered lattice oxygen oxidation process to promote the slow kinetics of water oxidation. In this paper, a facile surface modification strategy of nanometer-scale iron oxyhydroxide (FeOOH) clusters depositing on the surface of LaNiO3 (LNO) perovskite is reported, and it can obviously promote hydroxyl adsorption and weaken Ni-O bond of LNO. The above relevant evidences are well demonstrated by the experimental results and DFT calculations. The excellent hydroxyl adsorption ability of FeOOH-LaNiO3 (Fe-LNO) can obviously optimize OH- filling barriers to promote lattice oxygen-participated OER (LOER), and the weakened Ni-O bond of LNO perovskite can obviously reduce the reaction barrier of the lattice oxygen participation mechanism (LOM). Based on the above synergistic catalysis effect, the Fe-LNO catalyst exhibits a maximum factor of 5 catalytic activity increases for OER relative to the pristine perovskite and demonstrates the fast reaction kinetics (low Tafel slope of 42 mV dec-1) and superior intrinsic activity (TOFs of ~40 O2 S-1 at 1.60 V vs. RHE).

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Section: Superior Electrochemical Performance Of Fe-lnosupporting

confidence: 90%

Boosting Lattice Oxygen Oxidation of Perovskite to Efficiently Catalyze Oxygen Evolution Reaction by FeOOH Decoration

et al. 2020

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“…[18,23] The catalytic activity manipulation can also be achieved via particle size or morphology tuning [24,25] in order to improve their surface area. Furthermore, incorporation with co-catalysts to take advantage of the synergistic effect among materials in the composites [26,27] can be utilized to adjust the electrocatalytic activities as well. Among them, introducing cation deficiency in perovskites to improve their ORR and OER activities is relatively simple, which nevertheless has been rarely reported before.…”

Section: Introductionmentioning

confidence: 99%

Cation Deficiency Tuning of LaCoO₃ Perovskite as Bifunctional Oxygen Electrocatalyst

et al. 2020

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Oxygen electrocatalysis, including both oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), dominates the performance of various electrochemical energy conversion and storage systems. However, the practical applications of these devices are limited as a result of the sluggish kinetics of OER and ORR as well as the high cost and instability of the state-of-the-art noble metal catalyst used in these systems. In this study, cation deficiency is introduced to the A-site of perovskite LaCoO 3 synthesized via polymer-assisted approach to enhance the electrocatalytic activity of both OER and ORR, leading to the boosted bifunctionality of the resultant electrocatalysts, which might be attributed to oxygen vacancy introduction in perovskites. The bifunctionality of the A-site deficiency perovskite (ΔE = 0.948 V) is comparable or even better than the pristine LaCoO 3 (ΔE = 1.063 V) as well as the reported state-of-the-art electrocatalysts, including both perovskites and noble metal electrocatalysts. The stability test also indicates their good stability under alkaline solutions, suggesting that the as-prepared materials can be good candidates as bifunctional electrocatalysts in oxygen-based electrochemical devices, such as fuel cells and metal-air batteries. This work introduces the A-site cation deficiency strategy to improve the bifunctional electrocatalytic performance of perovskites, and highlights the facile polymer-assisted approach for perovskites synthesis.[a] Dr.

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“…Well-dispersed ALD of Co3O4 on CNTs served as functionalized active sites and enabled rapid electron exchange and high oxygen reduction/evolution activities Different types of catalysts can be designed by ALD technology, including oxides, carbon materials, perovskite, and their composites. Gong et al [166] proposed an integrated ALD iron oxide and perovskite LaNiO3 as a novel catalyst for OER and ORR. Various synthesis approaches can be selected according to the requirements of the catalysts for HSABs.…”

Section: Atomic Layer Depositionmentioning

confidence: 99%

“…The AAB with 50% LSM exhibited the power density of 191.3 mW cm −2 . Gong et al[166] proposed that perovskite LaNiO3 is an efficient bifunctional catalyst for OER and ORR. They showed that LaNiO3 display substantially reduced discharge/charge voltage gap of 0.77 V at mA g −1 with decent rate capability and considerable cycle stability.…”

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confidence: 99%

Recent advances in hybrid sodium–air batteries

Hui

Dinh

et al. 2019

Mater. Horiz.

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Hybrid sodium–air battery (HSAB) principles are introduced, and the synthesis and rational designs of electrocatalysts based on the oxygen reduction reaction/oxygen evolution reaction are comprehensively reviewed for the purpose of providing insight into the development of efficient air electrodes. Furthermore, research directions of anodes, electrolytes, and air electrodes toward high-performance HSABs are proposed.

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Atomic layered deposition iron oxide on perovskite LaNiO3 as an efficient and robust bi-functional catalyst for lithium oxygen batteries

Cited by 57 publications

References 69 publications

Boosting Lattice Oxygen Oxidation of Perovskite to Efficiently Catalyze Oxygen Evolution Reaction by FeOOH Decoration

Boosting Lattice Oxygen Oxidation of Perovskite to Efficiently Catalyze Oxygen Evolution Reaction by FeOOH Decoration

Cation Deficiency Tuning of LaCoO₃ Perovskite as Bifunctional Oxygen Electrocatalyst

Recent advances in hybrid sodium–air batteries

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Atomic layered deposition iron oxide on perovskite LaNiO3 as an efficient and robust bi-functional catalyst for lithium oxygen batteries

Cited by 57 publications

References 69 publications

Boosting Lattice Oxygen Oxidation of Perovskite to Efficiently Catalyze Oxygen Evolution Reaction by FeOOH Decoration

Boosting Lattice Oxygen Oxidation of Perovskite to Efficiently Catalyze Oxygen Evolution Reaction by FeOOH Decoration

Cation Deficiency Tuning of LaCoO3 Perovskite as Bifunctional Oxygen Electrocatalyst

Recent advances in hybrid sodium–air batteries

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Cation Deficiency Tuning of LaCoO₃ Perovskite as Bifunctional Oxygen Electrocatalyst