C₆₀ and Derivatives Boost Electrocatalysis and Photocatalysis: Electron Buffers to Heterojunctions

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(46)

Published: Oct. 27, 2023

Abstract Buckminsterfullerene (C 60 ) and derivatives are significant in the synthesis of efficient electrocatalysts photocatalysts. This is because electron acceptor properties distinctive heterostructure(s) physicochemical characteristics. High‐performance photocatalysts important therefore conversions for clean energy. Here a critical assessment advances use C as heterostructures “electron buffers” catalysts reported. Methodologies preparing composite assessed categorized microscopic mechanisms boosting catalytic performance through materials including, semiconductors, carbon‐based metal‐free materials, metal nanoclusters, single atoms, metal–organic skeletons established. Important characterizations used with derivative composites contrasted practical challenges to development determined. A prospective on future directions likely outcomes high efficiency provided. It concluded that advantageous advanced structural integrity boosted transport. The findings expected be interest benefit researchers manufacturers formation buffer areas significantly performance.

Language: Английский

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Energy Band Engineering Guided Design of Bidirectional Catalyst for Reversible Li–CO₂ Batteries

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(1)

Published: Nov. 14, 2023

Abstract Li–CO 2 batteries arouse great interest in the context of carbon neutralization, but their practicability is severely hindered by sluggish CO redox reaction kinetics at cathode, which brings about formidable challenges such as high overpotential and low Coulombic efficiency. For complex multi‐electron transfer process, design catalysts molecular or atomic level understanding relationship between electron state performance are essential for redox. However, little attention paid to it. In this work, using Co 3 S 4 a model system, density functional theory (DFT) calculations reveal that adjusted d ‐band p centers with introduction Cu sulfur vacancies hybridized Li species, respectively, conducive adsorption reactants decomposition , experimental results further verify effectiveness energy band engineering. As result, highly efficient bidirectional catalyst produced shows an ultra‐small voltage gap 0.73 V marvelous efficiency 92.6%, surpassing those previous under similar conditions. This work presents effective affords new insight into high‐performance cathode materials batteries.

Language: Английский

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Approaching Splendid Catalysts for Li–CO₂ Battery from the Theory to Practical Designing: A Review

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(38)

Published: July 31, 2024

Abstract Lithium carbon dioxide (Li–CO 2 ) batteries, noted for their high discharge voltage of approximately 2.8 V and substantial theoretical specific energy 1876 Wh kg −1 , represent a promising avenue new sources CO emission reduction. However, the practical application these batteries faces significant hurdles, particularly at current densities over extended cycle lives, due to complex reaction mechanisms slow kinetics. This paper delves into recent advancements in cathode catalysts Li–CO with focus on designing philosophy from composition, geometry, homogeneity proper test conditions real‐world application. It surveys possible catalytic mechanisms, giving readers brief introduction how is stored released as well critical exploration relationship between material properties performances. Specifically, optimization standardization battery research highlighted enhance data comparability, which also facilitate batteries. review aims bring up inspiration previous work advance design more effective sustainable catalysts, tailored meet demands

Language: Английский

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Microenvironment engineering of gas-involving energy electrocatalysis and device applications

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 514, P. 215901 - 215901

Published: May 13, 2024

Language: Английский

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Catalyzed carbon-based materials for CO₂-battery utilization

Energy Materials, Journal Year: 2025, Volume and Issue: 5(4)

Published: Jan. 23, 2025

Increasing atmospheric CO2 levels and global carbon neutrality goals have driven interest in technologies that both mitigate emissions provide sustainable energy storage solutions. Metal-carbon dioxide (M-CO2) batteries offer significant promise due to their high density potential utilize CO2. A key challenge advancing M-CO2 lies optimizing CO2-breathing cathodes, which are essential for adsorption, diffusion, conversion. Carbon-based cathodes play a critical role facilitating redox batteries, owing cost-effectiveness, conductivity, tunable microstructure, porosity. However, there is lack of current systematic understanding the relationship between structure, composition, catalytic properties carbon-based as well impact on overall efficiency, stability, durability batteries. In this review, we will give an insightful review analysis recent advances various materials, including commercial carbons, single-atom catalysts, transition metal/carbon composites, metal-organic frameworks, etc. , focusing structure-function-property relationships. comprehensive pivotal played by materials optimization strategies be provided. Moreover, future perspectives research suggestions presented advance development innovation

Language: Английский

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Improving the Rechargeable Li‐CO₂ Battery Performances by Tailoring Oxygen Defects on Li‐Ni‐Co‐Mn Multi‐Metal Oxide Catalysts Recycled from Spent Ternary Lithium‐Ion Batteries

Advanced Science, Journal Year: 2024, Volume and Issue: 11(28)

Published: May 17, 2024

Abstract Rechargeable Li‐CO 2 batteries are considered as a promising carbon‐neutral energy storage technology owing to their ultra‐high density and efficient CO capture capability. However, the sluggish reduction/evolution kinetics impedes practical application, which leads huge overpotentials poor cyclability. Multi‐element transit metal oxides (TMOs) demonstrated effective cathodic catalysts for batteries. But there no reports on integration of defect engineering multi‐element TMOs. Herein, oxygen vacancy‐bearing Li‐Ni‐Co‐Mn multi‐oxide (Re‐NCM‐H3) catalyst with α ‐NaFeO ‐type structure is first fabricated by annealing NiCoMn precursor that derived from spent ternary LiNi 0.8 Co 0.1 Mn O cathode, in H at 300 °C. As experimental results theory calculations, introduction moderate vacancy has optimized electronic state near Fermi level (E f ), eventually improving adsorption charge transfer. Therefore, Re‐NCM‐H3 deliver high capacity (11808.9 mAh g −1 lower overpotential (1.54 V), well excellent stability over 216 cycles 100 mA 165 400 . This study not only opens up sustainable application but also validates potential TMO defects high‐efficiency

Language: Английский

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Electrospinning engineering of gas electrodes for high‐performance lithium–gas batteries

Carbon Energy, Journal Year: 2024, Volume and Issue: 6(10)

Published: June 19, 2024

Abstract Lithium–gas batteries (LGBs) have garnered significant attention due to their impressive high‐energy densities and unique gas conversion capability. Nevertheless, the practical application of LGBs faces substantial challenges, including sluggish kinetics inducing in low‐rate performance high overpotential, along with limited electrochemical reversibility leading poor cycle life. The imperative task is develop electrodes remarkable catalytic activity, abundant active sites, exceptional stability. Electrospinning, a versatile well‐established technique for fabricating fibrous nanomaterials, has been extensively explored LGB applications. In this work, we emphasize critical structure–property ideal summarize advancement employing electrospun nanofibers (NFs) enhancement LGBs. Beyond elucidating fundamental principles electrospinning technique, focus on systematic design NF‐based regarding optimal structural fabrication, catalyst handling activation, site optimization, as well considerations large‐scale implementation. demonstrated regulations electrode are expected inspire broad applications catalyst‐based energy

Language: Английский

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Unravelling the Capacity Degradation Mechanism of Thick Electrodes in Lithium‐Carbon Dioxide Batteries via Visualization and Quantitative Techniques

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(44)

Published: June 26, 2024

Abstract Lithium‐carbon dioxide batteries (LCBs) require a thick cathode electrode to fulfill their theoretical energy density and high areal capacity (mAh cm −2 ). However, understanding the design of porous electrodes in LCBs is challenging because complexity coupled multispecies transport. Herein, link established between microscopic behaviors macroscopic electrochemical performance through spatio‐temporal resolution technique, filling gap knowledge on degradation mechanism electrodes. Surprisingly, worst utilization site with least product deposition central part rather than traditionally presumed separator face. The secondary structure reaction pathway solid products exhibit clear tendency toward spatial growth (on surface or interior). Combined quantitative modeling, critical current shifting dominance found from CO 2 Li + ions, thereby reversing gradient distribution. Finally, hotspot map failure mechanisms different operating protocols provided, serving as guideline for future This work breaks multi‐field coupling within can be extended advanced Na (Li)‐CO (O ) battery design.

Language: Английский

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High-Throughput Computation and Machine Learning Prediction Accelerating the Design of Cathode Catalysts for Li–CO₂ Batteries

The Journal of Physical Chemistry C, Journal Year: 2024, Volume and Issue: 128(28), P. 11534 - 11542

Published: July 10, 2024

Language: Английский

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Metal‐Free Electron Donor‐Acceptor Pair Enabled Long‐Term Stability of Li‐CO₂ Battery

Small, Journal Year: 2024, Volume and Issue: 20(34)

Published: April 9, 2024

Abstract The challenges of Lithium‐carbon dioxide (Li‐CO 2 ) batteries for ensuring long‐term cycling stability arise from the thermodynamically stable and electrically insulating discharge products (e.g., Li CO 3 ), which primarily rely on their interaction with active materials. To achieve optimized intermediates, bifunctional electron donor–acceptor (D–A) pairs are proposed in cathode design to adjust such interactions case B–O pairs. inclusion BC O sites allows redistribution electrons via p – π conjugation. as‐obtained D –A B endow enhanced + , various accompanied by adjustable growth mode . shift solvation‐mediated into surface absorption turn manipulates morphology decomposition kinetics Therefore, corresponding Li‐CO battery got twofold improved both capacity reversibility. prolongs exceed 1300 h well operates at a wide temperature range (20–50 °C) different folding angles (0–180°). Such strategy introducing provides distinct direction optimize lifetime local structure regulation atomic scale, further inspiring in‐depth understandings developing electrochemical energy storage carbon capture technologies.

Language: Английский

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