Recent status and future perspectives of ultracompact and customizable micro-supercapacitors

Deleted Journal, Journal Year: 2022, Volume and Issue: 1, P. e9120018 - e9120018

Published: June 21, 2022

Ultracompact and customizable micro-supercapacitors (MSCs) are highly demanded for powering microscale electronics of 5G Internet Things technologies. So far, tremendous efforts have been concentrated on fabricating high-performance MSCs; however, compatible fabrication monolithic integration MSCs with microelectronic systems still remains a huge challenge taking into full consideration the factors such as electrode film fabrication, high-resolution microelectrode pattern, electrolyte precise deposition. In this review, we summarize recent advances ultrasmall integrated tunable performance function, including key microfabrication technologies patterning microelectrodes superior resolution, deposition customized electrolytes in an extremely small space, feasible strategies improving electrochemical by constructing thick special structure. Finally, related challenges prospects ultracompact MSCs, methods materials films, microelectrodes, customizing shape-conformable electrolytes, optimization, efficient systems, put forward further promoting their practical application.

Language: Английский

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Aqueous Zinc Batteries with Ultra-Fast Redox Kinetics and High Iodine Utilization Enabled by Iron Single Atom Catalysts

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: May 20, 2023

Abstract Rechargeable aqueous zinc iodine (ZnǀǀI 2 ) batteries have been promising energy storage technologies due to low-cost position and constitutional safety of anode, cathode electrolytes. Whereas, on one hand, the low-fraction utilization electrochemically inert host causes severe shuttle soluble polyiodides, deficient sluggish reaction kinetics. On other usage high mass polar electrocatalysts occupies volume electrode materials sacrifices device-level density. Here, we propose a “confinement-catalysis” composed Fe single atom catalyst embedding inside ordered mesoporous carbon host, which can effectively confine catalytically convert I /I − couple polyiodide intermediates. Consequently, enables capacity 188.2 mAh g −1 at 0.3 A , excellent rate capability with 139.6 delivered current density 15 ultra-long cyclic stability over 50,000 cycles 80.5% initial retained under loading 76.72 wt%. Furthermore, electrocatalytic also accelerate $$\text{I}^{+}\leftrightarrow\, \text{I}_{2} $$ I + ↔ 2 conversion. The greatly improved electrochemical performance originates from modulation physicochemical confinement decrease barrier for reversible + couples, intermediates conversions.

Language: Английский

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A Review of Energy Supply for Biomachine Hybrid Robots

Cyborg and Bionic Systems, Journal Year: 2023, Volume and Issue: 4

Published: Jan. 1, 2023

Biomachine hybrid robots have been proposed for important scenarios, such as wilderness rescue, ecological monitoring, and hazardous area surveying. The energy supply unit used to power the control backpack carried by these determines their future development practical application. Current devices backpacks are mainly chemical batteries. To achieve self-powered devices, researchers developed solar energy, bioenergy, biothermal biovibration harvesters. This review provides an overview of research in batteries biomachine robots. Various different biocarriers entry points design outlined detail. Finally, challenges possible directions is provided.

Language: Английский

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Giant energy storage and power density negative capacitance superlattices

Nature, Journal Year: 2024, Volume and Issue: 629(8013), P. 803 - 809

Published: April 9, 2024

Language: Английский

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Low‐Temperature Flexible Integration of All‐Solid‐State Thin‐Film Lithium Batteries Enabled by Spin‐Coating Electrode Architecture

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(12)

Published: Feb. 14, 2024

Abstract Micro energy sources as the nucleus of intelligent microdevices guarantee their full autonomy in dimensions time and space. However, state‐of‐the‐art micro storage components, like all‐solid‐state thin‐film microbatteries (ASSTFBs), whose direct integration is impeded by stereotyped vacuum‐based manufacturing technologies, for which an inevitable high‐temperature annealing step (> 500 °C) can exert catastrophic effects on attached during crystallization manufactured insertion cathodes, especially flexible integration. Herein, a prototype construction created to benchmark concrete feasibility low‐temperature ASSTFBs via nonvacuum‐based spin‐coating electrode architecture. Results show that spin‐coated LiFePO 4 films enable (≈ 45 ASSTFBs, it deliver excellent cycling performance up 1000 cycles. Importantly, this technology presents versatility integrating various cathode composites into therefore generalized LiCoO 2 ‐ Li Ti 5 O 12 ‐based solid‐state chemistries. Furthermore, with such compliant electrodes manifest outstanding flexibility without pronounced capacity degradation successfully temperature‐sensitive substrates. The protocol provides general solution excessive processing temperatures ample opportunities development on‐chip integratable ASSTFBs.

Language: Английский

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Recent progress in flexible Zn‐ion hybrid supercapacitors: Fundamentals, fabrication designs, and applications

Carbon Energy, Journal Year: 2022, Volume and Issue: 5(1)

Published: Nov. 8, 2022

Abstract One of the most exciting new developments in energy storage technology is flexible Zn‐ion hybrid supercapacitors (f‐ZIHSCs), which combine high batteries with high‐power to satisfy needs portable electronics. However, development f‐ZHSCs still its infancy, and there are numerous barriers overcome before they can be widely implemented for practical applications. This review gives an up‐to‐date description recent achievements underlying concepts mechanisms f‐ZIHSCs emphasizes critical role cathode, anode, electrolyte materials systems speeding prosperity f‐ZIHSCs. The innovative nanostructured‐based cathode include carbon (e.g., porous carbon, heteroatom‐doped biomass‐derived graphene, etc.), metal‐oxides, MXenes, metal/covalent‐organic frameworks, other activated phosphorene, etc.) mainly focused. Afterward, latest anode frameworks impacts compositions on electrochemical properties f‐ZIHSC elaborated. Subsequently, advancements based fabrication designs, including quasi‐solid‐state, micro, fiber‐shaped, all climate‐changed f‐ZIHSCs, discussed detail. Lastly, a summary current challenges recommendations future progress advanced addressed. article anticipated further understand viable strategies achievable approaches assembling high‐performance boost technical revolutions electrolytes devices.

Language: Английский

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Scalable fabrication of MXene-based flexible micro-supercapacitor with outstanding volumetric capacitance

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 450, P. 138456 - 138456

Published: Aug. 3, 2022

Language: Английский

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Ultrahigh-power iron oxysulfide thin films for microbatteries

Science China Materials, Journal Year: 2022, Volume and Issue: 66(1), P. 118 - 126

Published: Sept. 5, 2022

Language: Английский

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A Sub‐Square‐Millimeter Microbattery with Milliampere‐Hour‐Level Footprint Capacity

Advanced Energy Materials, Journal Year: 2022, Volume and Issue: 12(28)

Published: June 11, 2022

Abstract As substantial progress has been made to miniaturize intelligent microsystems the sub‐square‐millimeter scale, there is a desperate need move beyond existing microbattery technologies offer adequate energy at same footprint. A micro‐origami technology able wind up flat layer stack into Swiss roll presents promising approach in this regard because it mimics most successful way make energy‐dense full‐sized batteries. Here, an on‐chip Swiss‐roll current collector via process developed and infused with MnO 2 slurry comprising zincophilic binder. The binder enhances zinc ion transportability suppresses dissolution. microelectrode used create small electrode footprint area of 0.75 mm , which shows capacity 3.3 mAh cm –2 . demonstrates reversible more than 1 for 150 cycles. battery stability can be improved over 600 cycles 50% depth discharge. An integration microsystem demonstrated. microbatteries set foot untrodden providing ever miniaturized microsystems.

Language: Английский

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3D Printed Flexible Zinc Ion Micro‐Batteries with High Areal Capacity Toward Practical Application

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(7)

Published: Nov. 1, 2023

Abstract Printed zinc ion micro‐batteries (PZIMBs) possess characteristics such as miniaturization, customizability, and affordability, making them highly promising for the field of flexible electronic devices. Nevertheless, current development PZIMBs is seriously hindered by their limited areal capacity. In this study, with a high capacity are conducted based on 3D printing technology optimizing material properties, electrode ink formulation, parameters. The cathode material, polyvinylpyrrolidone‐induced ammonium vanadate (P‐NVO) nanobelt, exhibits 457.3 mAh g −1 at 0.1 mA , along good cycling performance rate capability. double‐network hydrogel electrolyte, composed crosslinked polyacrylamide‐polyvinylpyrrolidone (PAM‐PVP electrolyte), demonstrates excellent ionic conductivity (107.22 mS cm ), stretchability (970%), viscosity. constructed exhibit 4.02 −2 0.5 mechanical flexibility. Moreover, through integration pressure sensors, an interactive system developed that resembles skin, enables practical applications wearable This study presents novel approach fabricating capacity, thereby contributing to propelling advancement energy storage.

Language: Английский

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