Themed collection Virtual Collection – Batteries and Energy Storage

Supercapacitors are highly valued energy storage devices and it's crucial to understand their charging mechanism. We present a comprehensive discussion on the applications of EQCM in the supercapacitor community.

This work explores the underlying mechanisms of how in situ polymerized fluorinated electrolytes enhance interface stability and their impact on high-voltage and long-cycling lithium metal batteries, proposing strategies for current challenges.

We comprehensively reviewed the recent achievements in cellulose-based solid electrolytes, including diverse modifications and compositing strategies for improving ionic conductivity, and current challenges and future prospects are discussed.

The progress on aqueous rechargeable aluminium metal batteries is summarized based on the aspects of designing the Al anode and interphase, modifying the electrolyte, and fabricating cathodes.

This review systematically summarizes the working principles and devices, and the different types of catalytic cathodes used for Zn–CO₂ batteries. The challenges and prospects in this field are also particularly discussed.

In this review, challenges and strategies to enable the use of micro-sized alloy anodes for alkali-ion batteries with high energy density and long cycle life are explored.

This review highlights the importance of silicon-based anodes in lithium-ion batteries, emphasizing their improved performance through modifications involving binders, coatings, composites, and electrolytes.

This review systematically summarizes the research progress of functional binders in lithium-ion batteries and elucidates the main functions of advanced binders to deal with the challenges of high-specific-energy electrodes.

Lithium batteries have received a lot of attention in recent years. This comment reviewed the application of ionic liquid and poly(ionic liquid)-based electrolytes in lithium batteries.

The recent progress in non-fused ring electron acceptor-based organic solar cells has been reviewed from the perspective of material design strategies.

P and B heteroatom-doped graphite felts serve as optimized electrode materials for quinone-based AORFBs, owing to their synergistic hydrophilicity, conductivity, and specific adsorption activity towards anthraquinone and benzoquinone electrolytes.

Novel N-doped porous carbon enables high energy density zinc ion hybrid capacitor (120.75 Wh kg⁻¹) and superior energy density supercapacitor (29.41 Wh kg⁻¹), offering efficient electrode materials for advanced energy storage.

Cathode materials and electrolytes from all-solid-state sodium-ion batteries and lithium-ion batteries are recovered using three types of green solvents: ionic liquids, deep eutectic solvents and low-melting mixture solvents.

Modification of LiMn₂O₄ lithium storage and diffusion using lithium storage type SnO₂. Island-type modification of nanoparticles improves the electro-adsorption capacity of LMO.

The insertion of copper ions expands the layer spacing of MnO₂, stabilizes the structure of MnO₂, enhances the diffusion ability of H⁺, and thus exhibits excellent electrochemical properties.

Sodium tartrate (STA) is proposed as a novel organic electrolyte additive for zinc-ion batteries to induce uniform deposition of Zn²⁺ and reduce side reactions (mainly suppression of hydrogen evolution).