Recent advances in carbonized non-noble metal–organic frameworks for electrochemical catalyst of oxygen reduction reaction

Li, Chan; Zhao, Daohui; Long, Huali; Li, Ming

doi:10.1007/s12598-020-01694-w

Cited by 86 publications

(39 citation statements)

References 114 publications

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“…[35][36][37] The tunable porosity of MOFs and derivatives not only offers a large surface area for spatial control, but also enables partial desolvation before the contact between the charges in the aqueous electrolyte and the Zn surface. [13,38,39] Furthermore, MOFs can serve as powerful platforms to modulate the surface chemistry via the immobilization of single atoms or ion-exchange reactions. [40,41] Inspired by above considerations, we herein design the atomically dispersed Cu within leaf-like Zn coordinated zeolitic…”

Section: Doi: 101002/smll202203231mentioning

confidence: 99%

Atomically Dispersed Cu in Zeolitic Imidazolate Framework Nanoflake Array for Dendrite‐Free Zn Metal Anode

Yuan

Zuo

Xiao

et al. 2022

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Aqueous Zn metal batteries (AZMBs) have been considered as a promising alternative to the existing Li‐ion batteries. Nevertheless, the large‐scale application of the AZMBs is restricted by the dendrite formation and side reactions within the Zn metal anodes (ZMAs) during cycling. Herein, an atomically dispersed Cu in leaf‐like Zn‐coordinated zeolitic imidazolate framework (ZIF‐L) nanoflakes on Ti mesh (CuZIF‐L@TM) as ZMA host is developed. The 3D conductive network formed by the interconnected ZIF‐L nanoflakes can reduce the local current density and homogenize the electric field distribution. Moreover, experimental data and theoretical calculations reveal the Cu single atoms within the ZIF‐L can serve as the zincophilic sites to facilitate the Zn deposition. As expected, the CuZIF‐L@TM host enables a homogeneous Zn deposition on the surface without dendrites. The resultant CuZIF‐L@TM/Zn electrode shows stable Zn plating/stripping over 1100 h at 1 mA cm−2 with a low voltage hysteresis of about 50 mV. As a proof of concept, a full cell based on the designed CuZIF‐L@TM/Zn anode shows a stable cycling performance over 1000 cycles.

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Section: Doi: 101002/smll202203231mentioning

confidence: 99%

Atomically Dispersed Cu in Zeolitic Imidazolate Framework Nanoflake Array for Dendrite‐Free Zn Metal Anode

Yuan

Zuo

Xiao

et al. 2022

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“…The more positive E 0 and E 1/2 mean the smaller overpotential and the higher energy conversion. The Tafel slope reflects the kinetic rate of the ORR process, the smaller the Tafel slope is, the faster the ORR kinetics of the catalyst has [ 40 ]. The n mainly indicates whether the ORR process is dominated by two-electron or four-electron processes.…”

Section: Catalytic Mechanism In Zinc-air Batterymentioning

confidence: 99%

Metal–Organic Frameworks (MOFs) Derived Materials Used in Zn–Air Battery

et al. 2022

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It is necessary to develop new energy technologies because of serious environmental problems. As one of the most promising electrochemical energy conversion and storage devices, the Zn–air battery has attracted extensive research in recent years due to the advantages of abundant resources, low price, high energy density, and high reduction potential. However, the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) of Zn–air battery during discharge and charge have complicated multi-electron transfer processes with slow reaction kinetics. It is important to develop efficient and stable oxygen electrocatalysts. At present, single-function catalysts such as Pt/C, RuO2, and IrO2 are regarded as the benchmark catalysts for ORR and OER, respectively. However, the large-scale application of Zn–air battery is limited by the few sources of the precious metal catalysts, as well as their high costs, and poor long-term stability. Therefore, designing bifunctional electrocatalysts with excellent activity and stability using resource-rich non-noble metals is the key to improving ORR/OER reaction kinetics and promoting the commercial application of the Zn–air battery. Metal–organic framework (MOF) is a kind of porous crystal material composed of metal ions/clusters connected by organic ligands, which has the characteristics of adjustable porosity, highly ordered pore structure, low crystal density, and large specific surface area. MOFs and their derivatives show remarkable performance in promoting oxygen reaction, and are a promising candidate material for oxygen electrocatalysts. Herein, this review summarizes the latest progress in advanced MOF-derived materials such as oxygen electrocatalysts in a Zn–air battery. Firstly, the composition and working principle of the Zn–air battery are introduced. Then, the related reaction mechanism of ORR/OER is briefly described. After that, the latest developments in ORR/OER electrocatalysts for Zn–air batteries are introduced in detail from two aspects: (i) non-precious metal catalysts (NPMC) derived from MOF materials, including single transition metals and bimetallic catalysts with Co, Fe, Mn, Cu, etc.; (ii) metal-free catalysts derived from MOF materials, including heteroatom-doped MOF materials and MOF/graphene oxide (GO) composite materials. At the end of the paper, we also put forward the challenges and prospects of designing bifunctional oxygen electrocatalysts with high activity and stability derived from MOF materials for Zn–air battery.

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“…[5] Obviously, it is highly desirable to develop inexpensive, stable, and efficient bifunctional oxygen catalysts for advancing the practical utilization of MABs. [6] It is noteworthy that transition-metal nitrogen-carbon nanocomposites (T-N-C) have emerged as one of the promising candidates for commercial noble-metal catalysts due to their high-efficiency, environmentally friendly, and economic advantages. [7] Due to the multiple valence states, transition metals can form various composites with different crystal structures, which impart active electrochemical characteristics to transition metal composites.…”

Section: Introductionmentioning

confidence: 99%

Defect‐Engineered Co₃O₄@Nitrogen‐Deficient Graphitic Carbon Nitride as an Efficient Bifunctional Electrocatalyst for High‐Performance Metal‐Air Batteries

Tang

Teng

Guo

et al. 2022

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The ability to craft high‐efficiency and non‐precious bifunctional oxygen catalysts opens an enticing avenue for the real‐world implementation of metal‐air batteries (MABs). Herein, Co3O4 encapsulated within nitrogen defect‐rich g‐C3N4 (denoted Co3O4@ND‐CN) as a bifunctional oxygen catalyst for MABs is prepared by graphitizing the zeolitic imidazolate framework (ZIF)‐67@ND‐CN. Co3O4@ND‐CN possesses superb bifunctional catalytic performance, which facilitates the construction of high‐performance MABs. Concretely, the rechargeable zinc‐air battery based on Co3O4@ND‐CN shows a superior round‐trip efficiency of ≈60% with long‐term durability (over 340 cycles), exceeding the battery with the state‐of‐the‐art noble metals. The corresponding lithium‐oxygen battery using Co3O4@ND‐CN exhibits an excellent maximum discharge/charge capacity (9838.8/9657.6 mAh g−1), an impressive discharge/charge overpotential (1.14 V/0.18 V), and outstanding cycling stability. Such compelling electrocatalytic processes and device performances of Co3O4@ND‐CN originate from concurrent compositional (i.e., defect‐engineering) and structural (i.e., wrinkled morphology with abundant porosity) elaboration as well as the well‐defined synergy between Co3O4 and ND‐CN, which produce an advantageous surface electronic environment corroborated by theoretical modeling. By extension, a rich diversity of other metal oxides@ND‐CN with adjustable defects, architecture, and enhanced activities may be rationally designed and crafted for both scientific research on catalytic properties and technological development in renewable energy conversion and storage systems.

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Recent advances in carbonized non-noble metal–organic frameworks for electrochemical catalyst of oxygen reduction reaction

Cited by 86 publications

References 114 publications

Atomically Dispersed Cu in Zeolitic Imidazolate Framework Nanoflake Array for Dendrite‐Free Zn Metal Anode

Atomically Dispersed Cu in Zeolitic Imidazolate Framework Nanoflake Array for Dendrite‐Free Zn Metal Anode

Metal–Organic Frameworks (MOFs) Derived Materials Used in Zn–Air Battery

Defect‐Engineered Co₃O₄@Nitrogen‐Deficient Graphitic Carbon Nitride as an Efficient Bifunctional Electrocatalyst for High‐Performance Metal‐Air Batteries

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Recent advances in carbonized non-noble metal–organic frameworks for electrochemical catalyst of oxygen reduction reaction

Cited by 86 publications

References 114 publications

Atomically Dispersed Cu in Zeolitic Imidazolate Framework Nanoflake Array for Dendrite‐Free Zn Metal Anode

Atomically Dispersed Cu in Zeolitic Imidazolate Framework Nanoflake Array for Dendrite‐Free Zn Metal Anode

Metal–Organic Frameworks (MOFs) Derived Materials Used in Zn–Air Battery

Defect‐Engineered Co3O4@Nitrogen‐Deficient Graphitic Carbon Nitride as an Efficient Bifunctional Electrocatalyst for High‐Performance Metal‐Air Batteries

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Product

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Defect‐Engineered Co₃O₄@Nitrogen‐Deficient Graphitic Carbon Nitride as an Efficient Bifunctional Electrocatalyst for High‐Performance Metal‐Air Batteries