Recent advances in zinc–air batteries: self-standing inorganic nanoporous metal films as air cathodes

Chang, Jinfa; Yang, Yang

doi:10.1039/d3cc00742a

Chem. Commun.

2023

DOI: 10.1039/d3cc00742a

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Recent advances in zinc–air batteries: self-standing inorganic nanoporous metal films as air cathodes

Jinfa Chang

Yang Yang

Abstract: Zinc-air batteries (ZABs) have promising prospects as next-generation electrochemical energy systems due to their high safety, high power density, environmental friendliness, and low cost. However, the air cathodes used in...

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Cited by 7 publications

References 138 publications

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Porous Organic Polymers‐Based Single‐Atom Catalysts for Sustainable Energy‐Related Electrocatalysis

Pan

Chen

et al. 2023

Advanced Energy Materials

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Single‐atom catalysts (SACs) have been emerging as attractive catalytic materials in electrocatalysis for sustainable energy storage and conversion. To realize the practical implementation of SACs, reliable support is highly imperative to stabilize atomically dispersed metals with strong metal–support interaction, tunable local electronic environment, and favorable electron/mass transport. Thanks to great designability and tunability of composition, structure, and morphology, porous organic polymers (POPs) have demonstrated grand promise as appropriate support platforms toward the design of SACs at the molecular level and the fabrication of SACs in a controlled manner. Herein, a comprehensive overview of recent advances toward the elucidation of general design principles, effective synthesis approaches, and fundamental catalytic mechanisms for boosting the development of high‐performance POPs‐based SACs in electrocatalytic transformations is provided. The authors first outline rationales for using POPs‐based supports to stabilize SACs and design principles for electrocatalysis, followed by discussing fabrication approaches of utilizing POPs and POPs‐derived nanocarbons to host single‐atom metals. Then, state‐of‐the‐art POPs‐based SACs and their applications in heterogeneous electrocatalysis (ORR, OER, HER, CO2RR, and NRR) are discussed, of which the focus is on revealing the structure–performance correlation and catalytic mechanisms. Finally, challenges and strategies associated with the rational design of high‐performance SACs are suggested.

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Porous Organic Polymers‐Based Single‐Atom Catalysts for Sustainable Energy‐Related Electrocatalysis

Pan

Chen

et al. 2023

Advanced Energy Materials

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Synergistically Promoting Oxygen Electrocatalysis through the Precise Integration of Atomically‐Dispersed Fe Sites and Co Nanoparticles

Huo,

Liang,

Liu

et al. 2024

Advanced Energy Materials

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Oxygen electrochemistry, which encompasses the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER), is of utmost importance in energy‐related reactions such as zinc‐air batteries (ZABs). However, due to their four‐electron transfer process, these reactions are still significantly restricted by sluggish reaction kinetics. Supporting atomically‐dispersed (AD) catalyst or metal nanoparticles (NPs) on nitrogen‐doped carbon (NC) is proven to be an effective strategy for enhancing the performance of oxygen electrocatalysis. Nevertheless, the performance of these types of catalysts still fails to meet the critical requirements for ZABs. Herein, a novel FeADCoNPs@NC, which consists of both AD Fe‐N1 and Fe sites in the Co lattice, is developed. Spectroscopy studies and density functional theory calculations indicate that the Fe site in the Co lattice facilitates the conversion of Co NPs to an amorphous CoOOH, and the Fe‐N1 serves as the main active site for ORR. FeADCoNPs@NC demonstrates remarkable activity for both OER and ORR. When it is used as an air‐electrode for ZABs, it demonstrates a power density of 247.49 mW cm−2. This work presents a simple yet efficient method to enhance oxygen electrochemical performance through the synergy between AD sites and metal NPs.

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Research progress of Zn-air batteries suitable for extreme temperatures

Han,

Zhao,

2024

Energy Storage Materials

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Recent advances in zinc–air batteries: self-standing inorganic nanoporous metal films as air cathodes

Abstract: Zinc-air batteries (ZABs) have promising prospects as next-generation electrochemical energy systems due to their high safety, high power density, environmental friendliness, and low cost. However, the air cathodes used in...

Cited by 7 publications

References 138 publications

Porous Organic Polymers‐Based Single‐Atom Catalysts for Sustainable Energy‐Related Electrocatalysis

Porous Organic Polymers‐Based Single‐Atom Catalysts for Sustainable Energy‐Related Electrocatalysis

Synergistically Promoting Oxygen Electrocatalysis through the Precise Integration of Atomically‐Dispersed Fe Sites and Co Nanoparticles

Research progress of Zn-air batteries suitable for extreme temperatures

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