Alkaline zinc–air batteries are promising energy storage technologies with the advantages of low cost, ecological friendliness, and high density. However, rechargeable battery has not been used on a commercial scale because zinc electrode suffers from critical problems such as passivation, dendrite growth, hydrogen evolution reaction, which limit practical applications batteries. Herein, Perspective summaries solutions to minimize negative effects electrodes discharge performance, cycling...

Abstract Grid-level large-scale electrical energy storage (GLEES) is an essential approach for balancing the supply–demand of electricity generation, distribution, and usage. Compared with conventional methods, battery technologies are desirable devices GLEES due to their easy modularization, rapid response, flexible installation, short construction cycles. In general, expected meet requirements such as peak shaving load leveling, voltage frequency regulation, emergency which highlighted in...

Increasing pursuit of next-generation wearable electronics has put forward the demand reliable energy devices with high flexibility, durability, and enhanced electrochemical performances. Flexible aqueous zinc-air batteries (FAZABs) have attracted great interests owing to density, safety, environmental benignity, for which quasi-solid-state gel polymer electrolytes (QSGPEs) are state-of-the-art ionic conductivity, resistance leakage problems traditional liquid electrolytes. Compared commonly...

The advent of wearable electronics has strongly stimulated advanced research into the exploration flexible zinc-air batteries (ZABs) with high theoretical energy density, inherent safety, and low cost. However, half-open battery structure concentration alkaline aqueous environment pose great challenges on electrolyte retention capability zinc anode stability. Herein, a starch-based superabsorbent hydrogel polymer (SSHPE) ionic conductivity, absorption capabilities, strong resistance...

Abstract The Internet of Everything (IoE), which aims to realize information exchange and communications for anything with the Internet, has revolutionized our modern world. Serving as driving force devices in IoE network, power supply systems play a fundamental role development IoE. However, due complexity, multifunctionality wide‐scale deployment diverse applications, face great challenges, including distribution, connection, charging technologies, management. In this review, some...

Flexible zinc-air batteries (ZABs) have been considered as one of the most outstanding energy storage devices for flexible and portable electronics because their superior density environmental friendliness. As "blood" ZABs, electrolytes play a significant role in determining performance, such discharge working time, cycling property, shelf life. Herein, novel polymer electrolyte based on quaternary ammonium hydroxides is first applied batteries. Tetraethylammonium hydroxide (TEAOH)...

Abstract Rechargeable zinc‐air batteries (ZABs) have attracted much attention as the next‐generation energy conversion and storage devices due to abundance environmental friendliness of zinc (Zn) for anode materials, well safety low cost aqueous electrolytes. However, rational design nonprecious low‐cost integrated air cathode materials with a desirable bifunctional oxygen electrocatalytic performance remains great challenge commercialization rechargeable ZABs. In previous research studies,...

Abstract Personal electronic devices are moving toward an era in pursuit of wearability and versatility enabling a wide range healthcare, entertainment sports applications. Conventional power source with bulky rigid structure becomes bottleneck for the rapid advancements wearable smart electronics. To meet requirement next‐generation electronics, supplies high flexibility, bendability, stretchability have received extensive attention. In this review, requirements flexible sources terms...

A flexible zinc–air battery based on near-neutral gel polymer electrolyte and integrated nanoporous Co₃O₄nanosheets exhibits long life.

Next-generation wearable and portable electronic devices require the development of flexible energy-storage with high energy density low cost. Over past few decades, zinc–air batteries (FZABs), characterized by their extremely theoretical from consuming oxygen in air cost, have been regarded as one most promising power supplies. However, unique half-open structure poses great challenges for environmental stability components, including electrolyte electrodes. As an important ionic conductor,...

A new approach has been developed for in situ preparing cubic-shaped Pt particles with (100) preferential orientation on the surface of conductive support by using a quick, one-step, and clean electrochemical method periodic square-wave potential. The whole deposition process is very quick (only 6 min required to produce cubic particles), without use particular capping agents. shape structure deposited can be controlled lower upper potential limits For frequency 5 Hz an limit 1.0 V (vs...

Abstract With the remarkably large theoretical specific capacity of silicon (Si), Si‐based rechargeable lithium‐ion batteries (LIBs) have attracted great interest, as they are expected to meet growing demand for large‐scale energy storage devices, electric vehicles, and portable electronic devices with high density. However, LIB faces challenges due cyclic volume changes induced by Si, which lead considerable fading. To facilitate use high‐performance LIBs enabled anodes, understanding...

Because of their high theoretical value volumetric energy density, excellent rate performance, and level safety, zinc–nickel batteries (ZNBs) show potential applications for uninterrupted power supply (UPS) systems. However, despite all the advantages ZNBs, commercial application ZNBs has been prevented by short lifetime caused shape change, corrosion, dendrite formation Zn anode. In this work, we proposed a flexible durable potassium polyacrylate (PAAK)–KOH gel polymer electrolyte (GPE)...

Abstract The development of flexible zinc–air battery (ZAB) is highly desirable in achieving superior and stable electrochemical/mechanical properties. Herein, we developed a Zn‐coated foam anode with three‐dimensional (3D) architecture, obtained by electroplating Zn on Cu substrate. compact outer surface sufficient amount metallic could be controlled accurately selecting appropriate porous substrate time foam. Moreover, adding tetraethylammonium hydroxide (TEAOH) to conventional polyvinyl...

Zinc-nickel batteries are promising competitors for next-generation power supply due to their benefits of high safety, working voltage, and attractive rate performance. However, practical applications plagued by poor cycling performance, stemming from uneven redistribution zinc during that results in dendrite formation shape changes the electrode. In this work, mesoporous Ti4O7 microspheres prepared employed as additives a anode. Notably, presence mesopores provides abundant chemisorption...

Abstract The advent of wearable electronics has strongly stimulated advanced research into the exploration flexible zinc−air batteries (ZABs) with high theoretical energy density, inherent safety, and low cost. However, half‐open battery structure concentration alkaline aqueous environment pose great challenges on electrolyte retention capability zinc anode stability. Herein, a starch‐based superabsorbent hydrogel polymer (SSHPE) ionic conductivity, absorption capabilities, strong resistance...

Electrolyte materials play a significant role in the development of high-energy-density and low-cost electrically rechargeable zinc–air batteries. In article number 2006461, Cheng Zhong co-workers present challenges progress electrolyte materials, with aim providing insight into future novel systems for