Encapsulation of Prussian Blue Analogues with Conductive Polymers for High‐Performance Ammonium‐Ion Storage

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 21, 2024

Abstract Multivalent manganese‐based Prussian blue analogues (Mn‐PBA) possess multi‐electron transfer characteristics and exhibit unique properties for achieving high energy density in ammonium ion batteries (AIBs). However, the irreversible structural collapse sluggish ionic diffusion kinetics result inferior rate capability undesirable lifespan. Herein, guided by theoretical calculations, a series of ultrafine Mn‐PBA@ conductive polymers core–shell composites through an situ polymerization encapsulation strategy are synthesized to solve above existing issues Mn‐PBA. Among various designed (including poly‐pyrrole (ppy), polyaniline, poly(3,4‐ethylenedioxythiophene)) coated on Mn‐PBA, Mn‐PBA@ppy shows strongest adsorption ions highest manganese atom removal barrier. Acting as cathode AIBs, exhibits remarkable capacity 72 mAh g −1 , super‐stable discharge platform 0.81 V, excellent cycling stability 94% retention over 300 cycles (0.1 A ) with ultrahigh NH 4 + coefficient ≈1.38 × 10 −8 cm −2 s . This work offers polymer approach simultaneously enhance stability. More importantly, this organic/inorganic interfacial design can promote development materials rapid cyclic

Language: Английский

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Engineered MXene Biomaterials for Regenerative Medicine

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: March 5, 2025

MXene-based materials have attracted significant interest due to their distinct physical and chemical properties, which are relevant fields such as energy storage, environmental science, biomedicine. MXene has shown potential in the area of tissue regenerative medicine. However, research on its applications regeneration is still early stages, with a notable absence comprehensive reviews. This review begins detailed description intrinsic properties MXene, followed by discussion various nanostructures that can form, spanning from 0 3 dimensions. The focus then shifts biomaterials engineering, particularly immunomodulation, wound healing, bone regeneration, nerve regeneration. MXene's physicochemical including conductivity, photothermal characteristics, antibacterial facilitate interactions different cell types, influencing biological processes. These highlight modulating cellular functions essential for Although developing, versatile structural attributes suggest role advancing

Language: Английский

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Tailoring NH₄⁺/H⁺ Co-adsorption Chemistry into h-Ti₃C₂ MXene for High Load Aqueous Microsupercapacitors

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(5), P. 2000 - 2006

Published: April 5, 2024

Aqueous microsupercapacitors (AMSCs) with safe and low-cost are anticipated as a leading choice for micro energy storage devices. Nevertheless, the current issue AMSCs is their extremely low area density power density, which caused by strong interaction between metal ions well stacking properties of thick electrodes. Herein, we develop based on tailoring mechanism NH4+/H+ co-adsorption into hydroxylated Ti3C2 MXene (h-Ti3C2 MXene). This enhances adsorption kinetics electrode materials. The ultra-high-load h-Ti3C2 carpet shape more oxygen-containing functional groups further improves performance electrode. As result, reported exhibit impressive (16.50 mW cm–2 at 110.91 μWh cm–2), (394.59 0.825 cycle life (20 000 GCD cycles retain 92.45%). work provides an entirely new building advanced AMSCs.

Language: Английский

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MXene‐Integrated Perylene Anode with Ultra‐Stable and Fast Ammonium‐Ion Storage for Aqueous Micro Batteries

Advanced Science, Journal Year: 2023, Volume and Issue: 11(1)

Published: Nov. 14, 2023

The aqueous micro batteries (AMBs) are expected to be one of the most promising energy storage devices for its safe operation and cost-effectiveness. However, performance AMBs is not satisfactory, which attributed strong interaction between metal ions electrode materials. Here, first developed with NH

Language: Английский

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A Comprehensive Review of Ammonium Ion Hybrid Supercapacitors: Exploring Recent Breakthroughs and Future Horizons

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(15), P. 13585 - 13611

Published: July 16, 2024

The demand for energy storage is exponentially increasing with the growth of human population, which highly intensive. This progress demands high-performing and reliable devices storing delivering charge efficiently. Hybrid ion supercapacitors are most desirable electrochemical devices, owing to their versatile tunable performance characteristics, as they optimized assembly batteries (energy devices) (power devices). In this regard, ammonium hybrid (AIHSs) have grabbed substantial research consideration in past years due notable advantages affordability, safety, fast diffusion kinetics, ecofriendliness, high density, unique tetrahedral structure abundant carriers NH4+ resources. Up now, although there been advancements AIHSs over few years, including various electrode materials, device structures, novel electrolytes, remains a lack comprehensive reviews that cover recent developments provide critical insights into rapidly evolving field. Therefore, review culminates fundamental principles, basic mechanisms, approaches enhancing performances AIHSs, focusing on improving these parameters improve specific capacitance, longevity commercial success capacitors, nascent stages development. To best our knowledge, it first complete account from mechanism developments.

Language: Английский

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A Micro Battery Supercapacitor Hybrid Device with Ultrahigh Cycle Lifespan and Power Density Enabled by Bi‐Functional Coating Design

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 10, 2024

Abstract Micro energy storage devices (MESDs) have emerged as promising providers for micro applications due to their integrated performance. However, the limited cycle life and low power density of microbattery, microsupercapacitor consistently impeded broader practical implementation. Herein, obtain a MESD with long life, excellent density, superior novel battery‐supercapacitor hybrid (MBSH) device is fabricated. Two types 3D microelectrodes are fabricated, namely, nanowire network anode based on PEDOT‐TiON porous cathode Ni(OH) 2 . Benefiting from unique hydrophobic characteristics PEDOT layer, high electrical conductivity TiON, conductivity, abundant ion diffusion channels microstructure, NW demonstrate exceptional cycling stability by retaining 70% capacity after 40 000 cycles. The achieved MBSH exhibits an extended voltage window ranging 0 1.9 V, impressive 77.5 mW cm −2 , 55.6 µWh Furthermore, it maintains remarkable retention rate 71.6% even undergoing 30 This innovative design paves way developing high‐performance microdevices electrochemical properties.

Language: Английский

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‘Beyond Li-Ion Technology’ - A status review

Nanotechnology, Journal Year: 2024, Volume and Issue: 35(47), P. 472001 - 472001

Published: July 30, 2024

Abstract Li-ion battery is currently considered to be the most proven technology for energy storage systems when it comes overall combination of energy, power, cyclability and cost. However, there are continuous expectations cost reduction in large-scale applications, especially electric vehicles grids, alongside growing concerns over safety, availability natural resources lithium, environmental remediation. Therefore, industry academia have consequently shifted their focus towards ‘beyond technologies’. In this respect, other non-Li-based alkali-ion/polyvalent-ion batteries, all solid-state fluoride-ion/ammonium-ion redox-flow sand batteries hydrogen fuel cells etc. becoming potential cost-effective alternatives. While has been notable swift advancement across various materials, chemistries, architectures, applications field, a comprehensive overview encompassing high-energy Li-ion’ technologies, along with considerations commercial viability, lacking. review article, rationalized approach adopted identify ‘post-Li’ candidates. Their pros cons comprehensively presented by discussing fundamental principles terms material characteristics, relevant architectural developments that make good Li’ system. Furthermore, concise summary outlining primary challenges each system provided, strategies being implemented mitigate these issues. Additionally, extent which positively influenced performance technologies discussed.

Language: Английский

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Electrostatic Self-Assembly strategy Stabilizes perylene anode: Assisting Ultra-High-Voltage aqueous potassium ion micro batteries

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160679 - 160679

Published: Feb. 1, 2025

Language: Английский

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Pioneering the Future: Principles, Advances, and Challenges in Organic Electrodes for Aqueous Ammonium‐Ion Batteries

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

Abstract Aqueous ammonium‐ion (NH 4 + ) batteries (AAIBs) have recently been considered as attractive alternatives for next‐generation large‐scale energy storage systems, on account of their cost‐effectiveness, nonflammability, less corrosive, small hydrated ionic radius, and rapid NH diffusion kinetics. In addition, the tetrahedral structure exhibits preferential orientation characteristics, resulting in a different electrochemical mechanism from spherical charge carriers such Li , Na K . Therefore, unlocking ‐ion mechanisms host electrode materials is pivotal to advancing design high‐performance AAIBs. Organic materials, with customizable, flexible, stable molecular structures, along ease recycling disposal, offer tremendous potential. However, development cutting‐edge organic specifically AAIBs remains an exciting, yet largely untapped, frontier. This review systematically explores interaction between ions electrostatic interactions including hydrogen bonding. It also highlights application diverse molecules, conducting polymers, covalent frameworks (COFs), organic‐inorganic hybrids Lastly, addresses key challenges future perspectives organic‐material‐based AAIBs, aiming push boundaries aqueous systems.

Language: Английский

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Laser‐Induced Ultrafine Cu‐Anchored 3D CNT‐rGO Carrier for Flexible and Durable Zinc‐Iodine Micro‐Batteries

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 28, 2025

Abstract Three‐dimensional (3D) carbon materials are often used as carriers for anchoring iodine in zinc‐iodine batteries (ZIBs). However, the physical stacking of during electrode assembly process, weaker interactions between non‐polar and species, scarcity catalytic sites conversion led to a reduced activity redox reaction, which fails completely inhibit shuttling species. Here, 3D ultrafine Cu‐anchored CNT‐rGO (3D Cu@CNT‐rGO) with interconnected structures prepared using simple laser‐induced reduction strategy. The microporous structure excellent electrical conductivity Cu@CNT‐rGO make it an ideal host iodine. Ultrafine Cu nanoparticles introduce catalysts accelerate kinetics, efficiently catalyze iodine/polyiodide conversion, polyiodide shuttling, enhance electrochemical performance ZIBs. fabricated zinc‐iodide micro‐batteries (ZIMBs) delivers high specific area capacity 1.29 mAh cm −2 , energy density (1.55 mWh ) power (33.58 mW well cyclin stability (80% retention after 4000 cycles). Meanwhile, ZIMBs have mechanical flexibility great potential application field integrated, miniaturized flexible electronic devices.

Language: Английский

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