In-situ positive electrode-electrolyte interphase construction enables stable Ah-level Zn-MnO2 batteries DOI Creative Commons
Guojun Lai,

Zequan Zhao,

Hao Zhang

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: March 4, 2025

Engineering the formulation of an Mn-based positive electrode is a viable strategy for producing efficient aqueous zinc-ion battery. However, Mn dissolution and byproducts result in capacity fading, thus limiting its electrochemical performances. To solve undesirable issues, concept in-situ forming electrode/electrolyte interface on commercial MnO2 designed, with help introducing Dioctyl Phthalate into ZS-based electrolyte (2 M ZnSO4 + 0.2 MnSO4), designated as ZS-DOP electrolyte. An advanced three-dimensional chemical imaging analysis model material reveals dynamic formation interface. The formed organic effectively suppresses corrosion electrolytes hydrophobicity, adjusts pH value according to Le Chatelier's Principle inhibit production by-products. Specifically, pouch cell assembled attains reversible ~2.5 Ah powers unmanned aerial vehicle. Furthermore, photovoltaic energy storage applications deliver stable 0.5 realize power supply mobile phones other electronic devices. Our results facilitate development surface protection battery, providing insights practical application.

Language: Английский

Guiding uniform Zn deposition with a multifunctional additive for highly utilized Zn anodes DOI

Xi Li,

Zhenjie Chen, Pengchao Ruan

et al.

Nanoscale, Journal Year: 2024, Volume and Issue: 16(40), P. 18835 - 18842

Published: Jan. 1, 2024

The practical applications of aqueous zinc-ion batteries (AZIBs) have been restricted by the fast growth Zn dendrites and severe side reactions at Zn/electrolyte interface. Herein, a multifunctional additive, L-leucine (Leu), is incorporated into mild acidic electrolyte to stabilize anode. Leu molecule, featuring both carboxyl amino groups, exhibits strong interactions with Zn2+, which can reshape solvation structure Zn2+ facilitate uniform electrodeposition Zn. Simultaneously, molecule preferential adsorption onto surface, effectively isolating it from direct contact water, thus suppressing unwanted reactions. Consequently, Zn∥Cu asymmetric cell high stable coulombic efficiency 99.5% current density 5 mA cm-2 for 1100 h. Importantly, capacity retention Zn∥NH4V4O10 full based on reaches 80% after 1200 cycles 2 A g-1. successful application low-cost enhances cycling stability AZIBs accelerates their applications.

Language: Английский

Citations

25
Ether-Based Gel Polymer Electrolyte for High-Voltage Potassium Ion Batteries DOI

Jinfan Li,

Hongwei Fu,

Mingyuan Gu

et al.

Nano Letters, Journal Year: 2024, Volume and Issue: 24(37), P. 11419 - 11428

Published: Sept. 3, 2024

Low-concentration ether electrolytes cannot efficiently achieve oxidation resistance and excellent interface behavior, resulting in severe electrolyte decomposition at a high voltage ineffective electrode-electrolyte interphase. Herein, we utilize sandwich structure-like gel polymer (GPE) to enhance the stability of potassium-ion batteries (PIBs). The GPE contact layer facilitates stable interphase formation, transport maintains good ionic transport, which enabled exhibit wide electrochemical window performance. In addition, Al corrosion under is suppressed through restriction solvent molecules. Consequently, when using designed (based on 1 m), K||graphite cell exhibits cycling 450 cycles with capacity retention 91%, K||FeFe-Prussian blue (2-4.2 V) delivers average Coulombic efficiency 99.9% over 2200 100 mA g

Language: Английский

Citations

24
Bifunctional self‐segregated electrolyte realizing high‐performance zinc‐iodine batteries DOI Creative Commons

Xueting Hu,

Zequan Zhao,

Yongqiang Yang

et al.

InfoMat, Journal Year: 2024, Volume and Issue: 6(12)

Published: Aug. 27, 2024

Abstract Static rechargeable zinc‐iodine (Zn‐I 2 ) batteries are superior in safety, cost‐effectiveness, and sustainability, giving them great potential for large‐scale energy storage applications. However, the shuttle effect of polyiodides on cathode unstable anode/electrolyte interface hinder development Zn‐I batteries. Herein, a self‐segregated biphasic electrolyte (SSBE) was proposed to synergistically address those issues. The strong interaction between organic phase demonstrated limit polyiodides. Meanwhile, hybridization polar solvent inorganic modulated bonding structure, as well effective weakening water activity, optimizing during zinc electroplating. As result, coin cells performed capacity retention nearly 100% after 4000 cycles at mA cm −2 . And discharge 0.6 Ah with no degradation 180 achieved pouch cell. A photovoltaic battery further displayed cumulative 5.85 Ah. successfully designed device exhibits application stationary storage. image

Language: Английский

Citations

23
Selection of Negative Charged Acidic Polar Additives to Regulate Electric Double Layer for Stable Zinc Ion Battery DOI Creative Commons
Xing Fan, Lina Chen,

Yongjing Wang

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Aug. 14, 2024

Zinc-ion batteries are promising for large-scale electrochemical energy storage systems, which still suffer from interfacial issues, e.g., hydrogen evolution side reaction (HER), self-corrosion, and uncontrollable dendritic Zn electrodeposition. Although the regulation of electric double layer (EDL) has been verified principle to select additive as regulator is misted. Here, several typical amino acids with different characteristics were examined reveal behaviors in regulated EDL on anode. Negative charged acidic polarity (NCAP) unveiled guideline selecting reconstruct an inner zincophilic H

Language: Английский

Citations

21
Unraveling the Mechanisms of Aqueous Zinc Ion Batteries via First-Principles Calculations DOI
Huiying Zhang, Fanghua Ning,

Yiming Guo

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: unknown, P. 4761 - 4784

Published: Sept. 11, 2024

Language: Английский

Citations

18
Accelerating Desolvation Process and Achieving Dendrite‐Free Zn Anode Via Dielectric Filler‐assisted Artificial Hybrid Interphase DOI Open Access
Canglong Li, Jie Huang, Dong‐Ping Chen

et al.

Advanced Sustainable Systems, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

Abstract Aqueous zinc‐ion batteries (AZIBs) have garnered significant interest for their potential in large‐scale energy storage, attributed to high safety and low cost. Nonetheless, issues such as limited cycling lifespan coulombic efficiency (CE) associated with dendrite formation uncontrollable side reactions on the Zn metal anode pose challenges that restrict practical applications. Herein, a dielectric filler‐assisted artificial hybrid interphase is constructed surface address faced by aqueous electrolytes. TiO 2 nanoparticles special properties promote solvation process carboxymethyl cellulose (CMC) acts physical barrier suppressing adverse blocking dendrite. Consequently, symmetric cell using modified zinc achieves prolonged cycle life of over 2500 h at 1 mAh cm −2 . Furthermore, full vanadium‐based cathode delivers excellent electrochemical performance (over 600 cycles A g −1 ). This research offers an efficient scalable approach enhance anodes.

Language: Английский

Citations

2
Progress on Critical Cell-fabrication Parameters and Designs for Advanced Lithium–Sulfur Batteries DOI

Cheng‐Che Wu,

Tzu-Ching Chan,

Sheng‐Heng Chung

et al.

Chemical Communications, Journal Year: 2024, Volume and Issue: 60(79), P. 11017 - 11033

Published: Jan. 1, 2024

Since 1990, commercial lithium-ion batteries have made significant strides, approaching their theoretical performance limits, albeit with escalating costs. To address these challenges, attention has shifted toward lithium-sulfur batteries, which offer higher energy densities and cost-effectiveness. However, cells face challenges such as active-material loss, excessive electrolyte usage, rapid degradation of lithium-metal anodes. overcome issues, research focused on optimizing cell configurations fabrication parameters while exploring novel electrolytes electrode materials. This feature article delves into the intrinsic material extrinsic engineering issues in current explores development advanced crucial progress high-loading sulfur cathodes, lean-electrolyte cells, solid-state electrolytes. Moreover, it outlines fundamental principles, structures, performances, developmental trajectories indicated articles published after 2020, highlighting future directions aimed at resolving key for practical application cells.

Language: Английский

Citations

12
In‐Situ Self‐respiratory Solid‐to‐hydrogel Electrolyte Interface Evoked Well‐Distributed Deposition on Zinc Anode for Highly Reversible Zinc‐ion Batteries DOI Creative Commons
Yifan Zhao, Zhiyuan Chen, Xuan Gao

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 9, 2024

The aqueous zinc-ion batteries (AZIB) have emerged as a promising technology in the realm of electrochemical energy storage. Despite its potential advantages terms safety, cost-effectiveness, and inherent AZIB faces significant challenges. Issues attributed to unsupported thermodynamics non-uniform distribution deposition, present formidable obstacles that necessitate resolution. To tackle these challenges, novel strategy adapting hybrid organic-inorganic situ derived solid-to-hydrogel electrolyte interface (StHEI) has been developed from coordination reactions self-respiratory process, establishing uniform diffusion channels by ion bridges accelerating transport. Self-respiratory pattern StHEI realized through inorganic component conversion further prolongs protecting duration, which effectively mitigates corrosion passivation but enhance mechanical properties measured Young's modulus. This promotes well-distributed lines within Helmholtz regions. Zn

Language: Английский

Citations

11
Size Confinement Strategy Effect Enables Advanced Aqueous Zinc–Iodine Batteries DOI
Nana Li,

Zhangbin Yang,

Yong Li

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(44)

Published: Aug. 6, 2024

Abstract Aqueous Zn–I 2 batteries have considerable potential owing to their environmental friendliness and high safety. However, the slow iodine conversion kinetics shuttle effect prevent practical applicability. In this study, a series of Zn‐MOF‐74 rods with controllable diameters 40–500 nm are facilely prepared, denoted as P1–P5. A size confinement strategy derived porous carbon hosts is proposed suppress formation undesirable species, such I 3 − 5 . Moreover, graphitization degree samples, including P2‐900, P2‐1000, P2‐1100, play critical on kinetics. The P2‐1000 sample possesses conductive skeleton abundant mesopores, which improve adsorption ability toward species. electrochemical tests in situ technology reveal mechanism iodine. As result, @P2‐1000 cathode exhibits superior discharge capacity 179.9 mA h g −1 at 100 exceptional long‐term cycle after 5000 cycles. Furthermore, soft flexible quasi‐solid‐state capable powering devices, promising exhibit tremendous adaptability realize electronic devices various scenarios.

Language: Английский

Citations

10
Ru Doped Ir Nanowires for High‐Efficient and Durable Proton Exchange Membrane Water Electrolyzers DOI

Bingqian Pang,

Suyang Feng,

Yueshan Xu

et al.

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

Published: Aug. 13, 2024

Abstract Long‐term operation of proton exchange membrane water electrolysis (PEMWE) poses significant challenges due to the high potential and strong acidic environment associated with oxygen evolution reaction (OER), leading severe catalyst degradation. Here, ultrafine iridium–ruthenium nanowires (IrRu NWs) are developed through a facile process, which exhibits excellent activity stability for OER. The IrRu NWs achieve an overpotential 243 mV at 10 mA cm −2 , is significantly lower than that commercial IrO 2 pure Ir nanowires. Importantly, demonstrate 17.6% higher current density V in real PEMWE device Pt/C catalysts anode cathode, respectively. layers can be stably operated 1.0 1.5 A more 500 h degradation rate only 28 µV −1 makes promising toward applications.

Language: Английский

Citations

8