With various types of lithium salt, solvents, and additives, the structure and components of solid electrolyte interphase (SEI) can be designed. The comprehensive properties of SEI such as high mechanical stability, electronic insultation, and high ionic conductivity are closely related to uniform lithium deposition and side reaction prevention resulting in high Coulombic efficiency.

Site-selective morphology-controlled Li₂S formation enabled by electrode and electrolyte design.

This review discusses the structure–performance relationships of MNC nanocomposite electrocatalysts for the acidic oxygen reduction reaction (ORR) in proton exchange membrane fuel cells, highlighting the synergistic intrinsic activity/durability enhancements caused by the combination of single atoms, clusters, and nanoparticles with MNC catalysts. Examples of in situ/operando analysis are presented, providing insights into the underlying mechanisms/phenomena. ORRs, proton exchange membrane fuel cells, atomically dispersed catalysts, nanocomposites, coupling synergistic effects.

Careful consideration of the methodology employed for measuring the oxygen evolution reaction is paramount. Moreover, accurate determinations of various catalyst performances are crucial for assessing electrochemical efficiency and driving development forward.

This review provides perspectives on design principles of electrospun carbon nanofibers (CNFs) with structural modifications and surface activity tuning for energy storage and conversion applications. Variety of approaches can be applied on both before and after carbonization stage to induce structural and surface property changes. Overall, this review guides researchers in developing CNFs for sustainable energy solutions.

Short-chain octyl-phosphonate capped CsPbBr₃ nanoplatelets were successfully synthesized using a room temperature method. The introduction of a conjugated polyelectrolyte material as a hole transport layer facilitated energy transfer to the nanoplatelets. The resulting LEDs emit pure blue light and maintain this emission without any spectral peak shift, even under conditions where the device undergoes degradation due to joule heating.

A bulky sulfonium-based additive is incorporated into the array of the PbI₂ structure, facilitating the FAI reaction in two-step deposition and inducing an alternation of growth in the perovskite film that has large grains with fewer defects. As a result of the additive effect, we achieved a PCE of 23.88%.

Thin-film-based model systems provide unique insights due to their ability to emulate the complex phenomena at SOC electrode interfaces under controlled conditions. This review highlights the fundamental research, utilizing thin films to dissect interface dynamics in SOCs, advocating for their crucial role in advancing SOC technology and understanding.

This research investigates the integration of Mn-based disordered rock-salt cathodes in all-solid-state battery systems operating from 1.5 to 4.8 V. We discuss the effects of high carbon contents required for the DRX cathodes on electrochemical performance, comparing halide and sulfide solid electrolytes. It provides new insights into the interplay among solid electrolytes, cathodes, and conductive additives.

The in-situ photo-polymerized composite polymer electrolyte (CPE) exhibits high ionic conductivity, excellent elasticity, and superior adhesion properties with uniform dispersion of LLZTO nanoparticles. This CPE achieves excellent cycling performance of Li/NCM811 full cell, maintaining a capacity retention of 95% after 200 cycles with a specific capacity of 166.7 mAh g⁻¹ under 0.5C.

Key physical and chemical phenomena in battery materials are illustrated across multiple length scales, from atomic to device level. Corresponding characterization techniques are aligned with each regime, showing how structural, thermal, and interfacial changes affect performance. This multiscale framework underscores the importance of integrated imaging for next-generation battery diagnostics and design.

The fast-charging performance of lithium-ion batteries can be achieved by electrolytes that provide well-connected ion channels with homogeneous Li⁺ flux and solvents with moderate solvating power to facilitate desolvation. Furthermore, an ionically conductive solid electrolyte interphase (SEI) plays a crucial role in reducing the desolvation energy barrier and forming a stable SEI with a long lifespan, particularly at high charge rates.