A Hydrogel Electrolyte toward a Flexible Zinc-Ion Battery and Multifunctional Health Monitoring Electronics

ACS Nano, Journal Year: 2024, Volume and Issue: 18(10), P. 7596 - 7609

Published: Feb. 28, 2024

The compact design of an environmentally adaptive battery and effectors forms the foundation for wearable electronics capable time-resolved, long-term signal monitoring. Herein, we present a one-body strategy that utilizes hydrogel as ionic conductive medium both flexible aqueous zinc-ion batteries strain sensors. poly(vinyl alcohol) network incorporates nano-SiO2 cellulose nanofibers (referred to PSC) in ethylene glycol/water mixed solvent, balancing mechanical properties (tensile strength 6 MPa) diffusivity at −20 °C (2 orders magnitude higher than 2 M ZnCl2 electrolyte). Meanwhile, cathode lattice breathing during solvated Zn2+ intercalation dendritic Zn protrusion anode interface are mitigated. Besides robust cyclability Zn∥PSC∥V2O5 prototype within wide temperature range (from 80 °C), this microdevice seamlessly integrates with sensor, enabling precise monitoring muscle response dynamic body movement. By employing transmission-mode operando XRD, self-powered sensor accurately documents real-time phasic evolution layered synchronized change induced by deposition, which presents feasible solution health miniaturized electronics.

Language: Английский

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Biocompatible and stable quasi-solid-state zinc-ion batteries for real-time responsive wireless wearable electronics

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(11), P. 3878 - 3887

Published: Jan. 1, 2024

Based on the versatile Ur-SA hydrogel as an electrolyte and a strain sensor, all-in-one wearable sensing system has been proposed for dynamic comprehensive health monitoring.

Language: Английский

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

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

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Polymer gels for aqueous metal batteries

Progress in Materials Science, Journal Year: 2025, Volume and Issue: unknown, P. 101426 - 101426

Published: Jan. 1, 2025

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Biomass-based electrolyte design for aqueous zinc-ion batteries: Recent advances and future outlook

Energy storage materials, Journal Year: 2024, Volume and Issue: 66, P. 103244 - 103244

Published: Feb. 1, 2024

Language: Английский

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Green proton reservoirs of PANI for disposable high-performance zinc-ion batteries

Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109768 - 109768

Published: May 21, 2024

Language: Английский

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Aqueous Rechargeable Zinc–Metal Batteries: A Critical Analysis

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(6), P. 3058 - 3065

Published: May 31, 2024

The recent re-emergence of aqueous Zn–metal battery technologies, including Zn-ion and electrolytic stripping–plating chemistry, represents potentially viable batteries, particularly in terms their manufacture–installation costs. However, many critical factors need to be addressed ensure further advancements these emerging technologies along with improving the existing Zn-based alkaline Zn–MnO2, Zn–Ni, Zn–air batteries. Specifically, Zn–MnO2 batteries face challenge complete consumption 2e– respect MnO2, while Zn–Ni struggle anode stability cost cathodes. As such, research has yet resolve mildly acidic battery's intricate diverse electrochemical mechanism(s), strong acidic–alkaline decoupled suffers from anode–cathode dissolutions. This Perspective provides status associated practical developments our simulation energy density calculations.

Language: Английский

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Electrochemical dendrite management via voltage-controlled rearrangement

National Science Review, Journal Year: 2025, Volume and Issue: 12(4)

Published: Jan. 13, 2025

The pursuit of advanced energy-storage solutions has highlighted the potential rechargeable batteries with metal anodes due to their high specific capacities and low redox potentials. However, formation dendrites remains a critical challenge, compromising both safety operational stability. For zinc-based (ZBs), traditional methods suppress dendrite growth have shown limited success often entail performance compromise. Here, we propose novel strategy termed rearrangement that leverages electrochemical self-discharge process controllably address issues. By temporarily increasing input voltage within single cycle, this resets cell stability without precipitating undesirable side reactions during normal operation. This pioneering technique extends lifespans over three times original duration, facilitating 80 000 cycles for Zn-ion hybrid capacitors 3000 hours Zn symmetrical cells. Even in scaled-up pouch cells, Ah-level cells demonstrate cumulative capacity nearing 200 mAh, significantly surpassing those reported Additionally, electrolytic Zn-MnO2 battery demonstrates approaching 10 Ah, setting new benchmark among ZB devices. These results mark significant advancement towards resolving dendrite-related issues anode batteries, paving way sustainable development commercialization.

Language: Английский

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Nano‐Zinc Sulfide Modified 3D Reconstructed Zinc Anode with Induced Deposition Effect Assists Long‐Cycle Stable Aqueous Zinc Ion Battery

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

Published: Jan. 21, 2025

Abstract Aqueous zinc ion batteries are often adversely affected by the poor stability of metal anodes. Persistent water‐induced side reactions and uncontrolled dendrite growth have seriously damaged long‐term service life aqueous batteries. In this paper, it is reported that a sulfide with optimized electron arrangement on surface anode used to modify achieve cycle anode. The effective active sites first significantly improved simple ultrasound‐assisted etching strategy, then in situ interface phase further guides deposition behavior protective layer well regulates interfacial electric field migration Zn 2+ , thereby promoting homogenization flux dendrite‐free deposition. addition, full cell assembled based ZnS@3D‐Zn achieves better output performance cycles. summary, work sheds light importance reasonable modification for development stable chemistry, which opens up new path zinc‐based

Language: Английский

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Hierarchical porous carbon derived from kapok fibers for biocompatible and ultralong cycling zinc-ion capacitors

Energy storage materials, Journal Year: 2025, Volume and Issue: unknown, P. 104219 - 104219

Published: March 1, 2025

Language: Английский

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