Coupling Uniform Pore Size And Multi‑Chemisorption Sites: Hierarchically Ordered Porous Carbon For Ultra‐Fast And Large Zinc Ion Storage

Advanced Functional Materials, Год журнала: 2023, Номер 33(40)

Опубликована: Май 26, 2023

Abstract Constructing hierarchically ordered macro/meso−microporous structures of carbonaceous cathode with matchable pore size and adequate active sites is significant toward large Zn 2+ storage, but remains a formidable challenge. Herein, new perspective reported for synthesizing phosphorus nitrogen dual‐doped hierarchical porous carbon (PN‐HOPC) by eliminating the micropore confinement effect synchronously introducing multi‐chemisorption sites. The interconnected macropore can effectively facilitate long‐distance mass transfer, meso−microporous wall promote accessibility Density functional theory (DFT) calculations identify that P N co‐doping markedly contributes to reversible adsorption/desorption zinc ions protons. Consequently, optimized PN‐HOPC exhibits outstanding storage capabilities in terms high capacity (211.9 mAh g −1 ), superb energy density (169.5 Wh kg ultralong lifespan (99.3% retention after 60 000 cycles). Systematic ex situ measurements integrating Raman spectroscopy electrochemical quartz crystal microbalance (EQCM) techniques elucidate superior capability ascribed synergistic , H + SO 4 2− co‐adsorption mechanism, as well invertible chemical adsorption. This study not only provides insights design advanced materials practical applications also sheds lights on deeper understanding charge mechanism zinc‐ion capacitors (ZICs).

Язык: Английский

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The Progress of Hard Carbon as an Anode Material in Sodium-Ion Batteries

Molecules, Год журнала: 2023, Номер 28(7), С. 3134 - 3134

Опубликована: Март 31, 2023

When compared to expensive lithium metal, the metal sodium resources on Earth are abundant and evenly distributed. Therefore, low-cost sodium-ion batteries expected replace lithium-ion become most likely energy storage system for large-scale applications. Among many anode materials batteries, hard carbon has obvious advantages great commercial potential. In this review, adsorption behavior of ions at active sites surface carbon, process entering graphite lamellar, their sequence in discharge analyzed. The controversial mechanism is discussed, four mechanisms summarized. Not only (in carbon) analyzed depth, but also relationships between morphology structure regulation heteroatom doping electrolyte optimization further as well electrochemical performance anodes batteries. It that with will have excellent performance, lower costs be required systems.

Язык: Английский

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Building better solid‐state batteries with silicon‐based anodes

Interdisciplinary materials, Год журнала: 2023, Номер 2(4), С. 635 - 663

Опубликована: Июль 1, 2023

Abstract Silicon (Si)‐based solid‐state batteries (Si‐SSBs) are attracting tremendous attention because of their high energy density and unprecedented safety, making them become promising candidates for next‐generation storage systems. Nevertheless, the commercialization Si‐SSBs is significantly impeded by enormous challenges including large volume variation, severe interfacial problems, elusive fundamental mechanisms, unsatisfied electrochemical performance. Besides, some unknown processes in Si‐based anode, electrolytes (SSEs), anode/SSE interfaces still needed to be explored, while an in‐depth understanding solid–solid chemistry insufficient Si‐SSBs. This review aims summarize current scientific technological advances insights into tackling promote deployment First, differences between various conventional liquid electrolyte‐dominated lithium‐ion (LIBs) with discussed. Subsequently, mechanical contact model, chemical reaction properties, charge transfer kinetics (mechanical–chemical kinetics) anode three different SSEs (inorganic (oxides) SSEs, organic–inorganic composite inorganic (sulfides) SSEs) systemically reviewed, respectively. Moreover, progress SSE‐based on aspects electrode constitution, three‐dimensional structured electrodes, external stack pressure highlighted, Finally, future research directions prospects development proposed.

Язык: Английский

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A Critical Review on Room‐Temperature Sodium‐Sulfur Batteries: From Research Advances to Practical Perspectives

Advanced Materials, Год журнала: 2024, Номер 36(25)

Опубликована: Март 8, 2024

Abstract Room‐temperature sodium‐sulfur (RT‐Na/S) batteries are promising alternatives for next‐generation energy storage systems with high density and power density. However, some notorious issues hampering the practical application of RT‐Na/S batteries. Besides, working mechanism under conditions such as sulfur loading, lean electrolyte, low capacity ratio between negative positive electrode (N/P ratio), is essential importance applications, yet significance these parameters has long been disregarded. Herein, it comprehensively reviewed recent advances on Na metal anode, S cathode, separator engineering The discrepancies laboratory research elaborately discussed, endeavors toward applications highlighted, suggestions values crucial rationally proposed. Furthermore, an empirical equation to estimate actual pouch cells proposed first time, making possible evaluate gravimetric conditions. This review aims reemphasize vital bridge gaps applications.

Язык: Английский

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In‐Depth Understanding of Interfacial Na⁺ Behaviors in Sodium Metal Anode: Migration, Desolvation, and Deposition

Advanced Materials, Год журнала: 2024, Номер 36(41)

Опубликована: Авг. 17, 2024

Abstract Interfacial Na + behaviors of sodium (Na) anode severely threaten the stability sodium‐metal batteries (SMBs). This review systematically and in‐depth discusses current fundamental understanding interfacial in SMBs including migration, desolvation, diffusion, nucleation, deposition. The key influencing factors optimization strategies these are further summarized discussed. More importantly, high‐energy‐density anode‐free metal (AFSMBs) highlighted by addressing issues areas limited sources irreversible loss. Simultaneously, recent advanced characterization techniques for deeper insights into deposition behavior composition information SEI film spotlighted to provide guidance advancement AFSMBs. Finally, prominent perspectives presented guide promote development

Язык: Английский

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Self‐Confinement of Na Metal Deposition in Hollow Carbon Tube Arrays for Ultrastable and High‐Power Sodium Metal Batteries

Advanced Functional Materials, Год журнала: 2024, Номер 34(21)

Опубликована: Янв. 2, 2024

Abstract Sodium metal batteries are promising next‐generation energy storage technology by using energy‐dense and affordable Na anodes, yet suffering uncontrollable dendritic growth issues. Herein, Au nanoparticle@hollow amorphous carbon tube yolk/shell arrays (Au/HCT‐CC) is rationally designed on cloth as a dynamic host. In situ transmission electron microscopy observations reveal regulated dendrite‐free plating/stripping within the Au/HCT‐CC The self‐confinement of deposition in hollow can further stabilize electrolyte/electrode interface homogenize ion flux, evidenced rigorous experimental theoretical characterizations, thus successfully accommodating hurdles to anodes. When cycling half cells, electrodes deliver remarkably high coulombic efficiencies (CEs) 99.96% over 2200 h at 5 mA cm −2 . CE 99.54% preserved even under harsh conditions 10 20 mAh for 250 cycles. These values rival state‐of‐the‐art electrochemical performance anodes literature. Finally, practical feasibility new anode demonstrated 3 V 2 (PO 4 ) @C||Na‐Au/HCT‐CC full cells 900 cycles with an extremely low capacity degradation rate 0.017% per cycle.

Язык: Английский

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Revealing the Charge Storage Mechanism in Porous Carbon to Achieve Efficient K Ion Storage

Small, Год журнала: 2024, Номер 20(32)

Опубликована: Март 25, 2024

Abstract Constructing a porous structure is considered an appealing strategy to improve the electrochemical properties of carbon anodes for potassium‐ion batteries (PIBs). Nevertheless, correlation between K‐storage performance and pore has not been well elucidated, which hinders development high‐performance anodes. Herein, various carbons are synthesized with porosity structures ranging from micropores micro/mesopores mesopores, systematic investigations conducted establish relationship characteristics performance. It found that fail afford accessible active sites K ion storage, whereas mesopores can provide abundant surface adsorption sites, enlarged interlayer spacing facilitates intercalation process, thus resulting in significantly improved performances. Consequently, PCa electrode prominent mesoporous achieves highest reversible capacity 421.7 mAh g −1 excellent rate capability 191.8 at 5 C. Furthermore, assembled hybrid capacitor realizes impressive energy density 151.7 Wh kg power 398 W . The proposed work only deepens understanding potassium storage materials distinctive porosities but also paves path toward developing PIBs customized capabilities.

Язык: Английский

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Electrochemical coupling in subnanometer pores/channels for rechargeable batteries

Chemical Society Reviews, Год журнала: 2024, Номер 53(8), С. 3829 - 3895

Опубликована: Янв. 1, 2024

This review categorizes subnanometer pores/channels (SNPCs) from structural perspective and demonstrates electrochemical couplings in SNPCs for batteries while proposing corresponding challenges future research directions.

Язык: Английский

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Recent advances in potassium metal batteries: electrodes, interfaces and electrolytes

Chemical Society Reviews, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

This review explores the latest advancements in potassium metal batteries, including electrode design, interface engineering, and electrolyte optimization to suppress dendrite formation enhance cycling stability.

Язык: Английский

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Metal–organic frameworks and their derivatives for optimizing lithium metal anodes

eScience, Год журнала: 2023, Номер 4(4), С. 100189 - 100189

Опубликована: Сен. 27, 2023

Lithium metal anodes (LMAs) have been considered the ultimate anode materials for next-generation batteries. However, uncontrollable lithium dendrite growth and huge volume expansion that can occur during charge discharge seriously hinder practical application of LMAs. Metal–organic framework (MOF) materials, which possess merits specific surface area, excellent porosity, flexible composition/structure tunability, demonstrated great potential resolving both these issues. This article first explores mechanism formation as described by four influential models. Subsequently, based on an in-depth understanding models, we propose strategies utilizing MOFs their derivatives to suppress growth. We then provide a comprehensive review research progress with respect various applications dendrites inhibit expansion. The paper closes discussion perspectives future modifications achieve stable, dendrite-free

Язык: Английский

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