First Look at Safety and Performance Evaluation of Commercial Sodium-Ion Batteries

Energies, Год журнала: 2025, Номер 18(3), С. 661 - 661

Опубликована: Янв. 31, 2025

Herein, we investigate the performance and safety of four early-stage, commercial Na-ion batteries available in 2024, representing most popular cathode types across research commercialization: polyanion (Na-VPF), layered metal oxide (Na-NMF), a Prussian blue analog (Na-tmCN). The cells deliver wide range energy density with Na-tmCN delivering least (23 Wh/kg) Na-NMF (127 Wh/kg). Na-VPF cell was between (47 Wg/kg). Capacity retention under specified cycling conditions periodic 0 V excursions robust for both cases. Accelerating rate calorimetry (ARC) nail penetration testing finds that do undergo thermal runaway response to abuse, while exhibit only low self-heating rates (<1 °C/min). During these tests, all exhibited off-gassing, so conducted in-line FTIR equipped heated gas detect CO, CO2, CH4, toxic acid gases (HCN, HF, NH3), typical electrolyte components (carbonate ester solvents). Gases similar those detected during Li-ion failures were found addition HCN cell. Our work compares different first time, allowing more holistic comparison tradeoffs emerging 2024.

Язык: Английский

Molecular Engineering Strategies for Organic Pre‐Sodiation: Progress and Challenges

Advanced Science, Год журнала: 2025, Номер unknown

Опубликована: Март 7, 2025

Pre-sodiation, which is capable of supplying additional active sodium sources to sodium-ion batteries (SIBs), has been widely accepted as one the most promising approaches address issue loss during initial charging and subsequent cycling. Organic materials, with their design flexibility abundant sources, are well-suited for large-scale applications. To achieve effective organic pre-sodiation, precise control over reaction potential essential. In view this, molecular engineering strategies developed mediate pre-sodiation materials efficient pre-sodiation. Nevertheless, a comprehensive review in still lacking. This timely aims present crucial role provide an up-to-date overview this field. After showcasing fundamental details recent advances modifying oxidation decomposition/reduction potentials briefly introduced, focus on structure-activity relationship between functional group modifications potential. Future challenges directions developing next-generation technologies also reviewed. The current provides important insights into guiding development SIBs.

Язык: Английский

Green synthesis of high-quality V₂O₅/single-walled carbon nanotube composites via Trachyspermum Ammi leaf extract: A sustainable approach to sodium-ion battery anodes

Journal of Energy Storage, Год журнала: 2025, Номер 120, С. 116505 - 116505

Опубликована: Апрель 6, 2025

Язык: Английский