Themed collection Electrochemical energy storage

We developed and implemented interface observation methods specific to Si using electrodes fabricated via the gas deposition method.

In operando Raman microscopy has revealed that the reduction of Li_1.5Al_0.5Ge_1.5(PO₄)₃ (LAGP) to Ge particles surrounded by Li-phosphates occurs in reaction hotspots at the Cu/LAGP interface.

A Mn-based sodium-containing layered oxide, P′2-type Na_2/3MnO₂, is revisited as a positive electrode material for sodium-ion batteries, and factors affecting its electrochemical performances are examined.

The performance of TiNb₂O₇ (TNO) is enhanced for fast-charging lithium-ion batteries by coating with graphdiyne (GDY).

Tailored side chains can improve structural stability, ion transport and capacity retention, offering a solution to key challenges such as capacity fade and electrode degradation in lithium-ion batteries.

Synthesis of lithium-rich iron sulfide is achieved through redox-mediated chemical lithiation of pyrite FeS₂.

Herein, TiO₂ created through atomic layer deposition was used as an artificial SEI on Si nanoparticles. Such coating led to substantial improvement of cycling stability when evaluated with FEC-free electrolyte.

Liquid-phase synthesis using water as a solvent with low environmental impact was demonstrated to synthesize sulfide electrolytes.

A multilayer graphene film with random twist angles between layers (TAGr) on SiC(000) shows six pairs of redox peaks for Li⁺ insertion/extraction reaction.

The distinctive reversible redox mechanism of Li₆PS₅Cl (LPSCl) solid electrolyte is revealed in the composite cathodes for practical all-solid-state lithium–sulfur batteries (ASSLSBs).

Understanding the competitive nature of insertion versus interphase formation is key to the design of insertion electrodes of fluoride-ion batteries.

A liquid-infiltrated Al₂O₃ framework electrolyte (LIAFE) addresses zinc dendrite growth and side reactions, enabling stable zinc anodes with over 4000 hours of cycling, significantly enhancing the performance of aqueous zinc-ion batteries.

This study reveals the role of thermal instability in hydrogen-substituted graphdiyne (HsGDY) and its impact on lithium–sulfur (Li–S) battery performance.

This work presents a simple, rapid, and convenient spectroscopic analysis method for characterizing the bonding state in phosphorus-carbon composites.

This work investigates the thermal stability of sodium-ion cells cognizant of the underlying electrode–electrolyte interactions.

Polarization equation to explain the change in the polarization curve of lithium insertion electrodes from linear to exponential.

The side chains of partially fluorinated polymers trap anions and enhance the Li-ion transference number of gel electrolytes for lithium batteries, resulting in concentration polarization suppression in the batteries.

We compare the reaction kinetics of SEI formation between Li metal and the SEs LAGP and LGPS using a VEP-XPS technique. Our results show that the SEI growth between Li and LAGP exhibits faster kinetics, preventing the plating of metallic Li.

Surface coating of Na_2/3Ni_1/2Mn_2/3O₂ particles suppresses high-voltage polarization but not capacity fade, which is dominated by bulk structure degradation.

Highly crystalline soft chemistry samples show better rechargeability than the conventional coprecipitation samples.

The crystal structure of the novel material Nb₉Ti_1.5W_1.5O₃₀ and its respective XRPD pattern, compared to the T- and H-Nb₂O₅ phase.

A mechanically, thermally, and electrochemically stable poly(imide)-based separator is developed by employing a task-specific coating precursor, Sb₂O₃, via a one-step modification process.

The all-solid-state battery with the cathode composite fabricated by the SEED method demonstrated higher cycle stability, and cross-sectional SEM-EDX images suggest that the solid electrolyte was more uniformly distributed in the cathode composite prepared using the SEED method.