Crystallographic types depended energy storage mechanism for zinc storage

Nano Energy, Journal Year: 2024, Volume and Issue: 125, P. 109524 - 109524

Published: March 26, 2024

Language: Английский

---

Insights into the cycling stability of manganese-based zinc-ion batteries: from energy storage mechanisms to capacity fluctuation and optimization strategies

Chemical Science, Journal Year: 2024, Volume and Issue: 15(20), P. 7441 - 7473

Published: Jan. 1, 2024

Manganese-based materials are considered as one of the most promising cathodes in zinc-ion batteries (ZIBs) for large-scale energy storage applications owing to their cost-effectiveness, natural availability, low toxicity, multivalent states, high operation voltage, and satisfactory capacity. However, intricate mechanisms coupled with unsatisfactory cycling stability hinder commercial applications. Previous reviews have primarily focused on optimization strategies achieving capacity fast reaction kinetics, while overlooking fluctuation lacking a systematic discussion enhance these materials. Thus, this review, manganese-based ZIBs different structures systematically elucidated summarized. Next, ZIBs, including activation, degradation, dynamic evolution whole cycle calendar comprehensively analyzed. Finally, constructive based chemistry one-electron two-electron transfers durable performance proposed.

Language: Английский

---

Boosting Manganese Selenide Anode for Superior Sodium-Ion Storage via Triggering α → β Phase Transition

ACS Nano, Journal Year: 2024, Volume and Issue: 18(4), P. 3801 - 3813

Published: Jan. 18, 2024

Sodium-ion batteries (SIBs) have been extensively studied owing to the abundance and low-price of Na resources. However, infeasibility graphite silicon electrodes in sodium-ion storage makes it urgent develop high-performance anode materials. Herein, α-MnSe nanorods derived from δ-MnO2 (δ−α-MnSe) are constructed as anodes for SIBs. It is verified that will be transferred into β-MnSe after initial Na-ion insertion/extraction, δ−α-MnSe undergoes typical conversion mechanism using a Mn-ion charge compensation subsequent charge–discharge process. First-principles calculations support migration defect-free can drive lattice distortion phase transition (alpha → beta) thermodynamics dynamics. The formed with robust structure small diffusion barrier boosts great stability electrochemical kinetics. Hence, electrode contributes excellent rate capability superior cyclic long lifespan over 1000 cycles low decay 0.0267% per cycle. full high energy density 281.2 Wh·kg–1 outstanding cyclability demonstrate applicability anode.

Language: Английский

---

Modulating the solvation structure to enhance amorphous solid electrolyte interface formation for ultra-stable aqueous zinc anode

Energy & Environmental Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Zn(CF 3 COO) 2 promotes the dual reduction of anions to fluoride and sulfide, forming an amorphous hybrid solid electrolyte interface (SEI). This SEI significantly benefits plating/stripping Zn anode thereby improves battery performance.

Language: Английский

---

Hybrid supercapacitors with MnTe@ZnMnTe hollow octahedrons encapsulated with reduced graphene oxide for high-performance hybrid supercapacitors

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160817 - 160817

Published: Feb. 1, 2025

Language: Английский

---

A Layered Bi₂Te₃@PPy Cathode for Aqueous Zinc‐Ion Batteries: Mechanism and Application in Printed Flexible Batteries

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

Published: Aug. 9, 2023

Abstract Low‐cost, safe, and environmental‐friendly rechargeable aqueous zinc‐ion batteries (ZIBs) are promising as next‐generation energy storage devices for wearable electronics among other applications. However, sluggish ionic transport kinetics the unstable electrode structure during insertion/extraction hamper their deployment. Herein, a new cathode material based on layered metal chalcogenide (LMC), bismuth telluride (Bi 2 Te 3 ), coated with polypyrrole (PPy) is proposed. Taking advantage of PPy coating, Bi @PPy composite presents strong absorption affinity, high oxidation resistance, structural stability. The ZIBs cathodes exhibit capacities ultra‐long lifespans over 5000 cycles. They also present outstanding stability even under bending. In addition, here reaction mechanism analyzed using in situ X‐ray diffraction, photoelectron spectroscopy, computational tools it demonstrated that, system, Zn 2+ not inserted into previously assumed. contrast, proton charge dominates process. Overall, this work only shows great potential LMCs ZIB materials advantages but clarifies charge/discharge LMCs.

Language: Английский

---

Pre‐Intercalation of Zn Ions to Enlarge and Stabilize Hierarchical Structure of Zn_xMn_1‐xSe Cathode for Flexible Zn‐Ion Capacitor

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(26)

Published: Feb. 22, 2024

Abstract Zn‐ion capacitors (ZICs) assembled from cathodes with diffusion‐controlled behaviors and capacitive anodes have attracted increasing interest thanks to their satisfactory balanced energy power densities. However, currently, only two cathode materials of this type, MnO 2 V O 5 , are applied ZICs. MnSe is increasingly being reported exhibit characteristics in metal‐ion batteries supercapacitors, yet its insufficient interlayer spacing unstable structure lead poor storage capacity. Herein, Zn x Mn 1‐x Se microflowers nanosheets can be situ pre‐intercalated ions enlarge stabilize the hierarchical porous structure, demonstrating a superior for During charging/discharging process 0.14 0.86 electrode, redox couple at ≈0.6/0.3 on cyclic voltammetry profile, potential plateau appearing ≈0.2 discharge curve detected, corresponding insertion/extraction ions. Thus, long time realizes flexible ZIC polyacrylamide gel electrolyte activated carbon anode, achieving superb areal capacitance 2,038.2 mF cm −2 1 mA . This work offers an exemplary effort unlock fresh

Language: Английский

---

Electrohydrodynamic (EHD) printing of nanomaterial composite inks and their applications

Micro and Nano Systems Letters, Journal Year: 2024, Volume and Issue: 12(1)

Published: Jan. 3, 2024

Abstract The utilization of high-resolution printed flexible electronic devices is prevalent in various fields, including energy storage, intelligent healthcare monitoring, soft robotics, and human–machine interaction, owing to its compact nature mechanical flexibility. EHD jet printing technology has the potential develop field industry through ability fabricate high-resolution, flexible, stretchable, 3D structures for applications such as displays, sensors, transistors. involves use solution-based inks made diverse functional materials print a wide range structures. Consequently, it imperative have comprehensive understanding nanomaterial composites that are using technology. This review provides thorough overview composite In particular, been provided about several domains, electrodes, transistors, harvesting, biomedical applications. Moreover, this analysis presents concise limitations prospective future directions fabricated by printing.

Language: Английский

---

Mn-O bond Engineering Mitigating Jahn-Teller Effects of Manganese Oxide for Aqueous Zinc-ion Battery Applications

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 494, P. 152908 - 152908

Published: June 12, 2024

Language: Английский

---

Are Sulfide‐Based Solid‐State Electrolytes the Best Pair for Si Anodes in Li‐Ion Batteries?

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(40)

Published: Aug. 19, 2024

Abstract The integration of Si‐based anodes within sulfide‐based solid electrolyte (SSE) Li‐ion batteries (LIB) has emerged as a promising avenue research and development, attracting increasing interest in recent years. This work comprehensively examines the latest directions major strides this field. It covers key advances design engineering nano‐ micro‐structured Si anode architectures, strategies surface modification. Additionally, it explores impacts external pressure, role binders conductive additives, implications varying particle size. Beyond providing detailed account evolution SSE LIBs, also identifies critical challenges that urgently need addressing. These include electrochemical‐mechanical behavior failure mechanism for structural interface modifications, methods preparing electrodes, advancements high‐performance SSEs, development scalable technologies thin films. Moreover, discusses high‐energy cathodes tailored LIBs. identified priorities are set to offer crucial guidance insights, supporting ongoing investigations innovations dynamic area research.

Language: Английский

---