Wiley Online Library : Advanced Energy Materials
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Multivalent Cation Transport in Polymer Electrolytes – Reflections on an Old Problem

Cations transport in solids generally becomes more challenging when moving from monovalent to multivalent systems. For solid polymer electrolytes (SPEs) the balance between cation-polymer and -anion interactions, as well as polymer architecture is particularly sensitive. This perspective puts past achievements into context with recent advancements...

Fri Dec 8, 2023 12:04
Active Material‐Free Continuous Carbon Nanotube Fibers with Unprecedented Enhancement of Physicochemical Properties for Fiber‐Type Solid‐State Supercapacitors

A high-performance, fiber-type, solid-state supercapacitor is developed using functionalized CNTFs, which are fabricated by the wet-spinning of their liquid crystal phase. These fibers not only possess exceptional physical properties but also exhibit inherent electrochemical activity. The active-material-free energy storage device in this study underscores...

Fri Dec 8, 2023 12:04
An Aqueous Rechargeable Al‐Ion Battery Based on Cobalt Hexacyanoferrate and Al Metal

An aqueous rechargeable Al-ion battery (ARAIB) using a cubic phase cobalt hexacyanoferrate as positive electrode shows excellent rate and cycling performance together with an average discharge voltage of 1.56 V and an energy density of 155 Wh kg−1. Abstract Like other aqueous batteries, aqueous rechargeable Al-ion batteries (ARAIBs) have...

Fri Dec 8, 2023 12:04
“Like Compatible Like” Strategy Designing Strong Cathode‐Electrolyte Interface Quasi‐Solid‐State Lithium–Sulfur Batteries

Incompatibility of the gel polymer electrolyte (GPE) and electrode interface due to polarity differences is a key scientific issue in quasi-solid-state lithium-sulfur batteries, and a strong cathode-electrolyte interface can be constructed by modulating the polarity. Abstract Gel polymer electrolytes (GPE) have stimulated the enthusiasm to...

Thu Dec 7, 2023 11:46
Unraveling the Fast Na Diffusion Kinetics of NASICON at High Voltage via High Entropy for Sodium‐Ion Battery

NASICON materials have great potential as a cathode material for sodium-ion batteries. Herein, a high entropy NASICON is synthesized to improve the rate capability and ultra-long cyclic performance. This study has great significance in energy storage devices especially to explore advanced cathode materials for SIBs. Abstract Vanadium based...

Thu Dec 7, 2023 11:46
Direct Upcycling of Leached FePO4 from Spent Lithium‐Ion Batteries toward Gradient‐Doped LiMnxFe1−xPO4 Cathode Material

A green, simple, and scalable direct upcycling strategy is developed to efficiently transform leached FePO4 material toward LiMn0.25Fe0.75PO4, which delivers excellent electrochemical performance. Abstract Lithium-ion batteries (LIBs) with LiFePO4 (LFP) cathode materials have occupied a significant market share in state-of-the-art power storage...

Thu Dec 7, 2023 11:46

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