Enhanced capacity and cyclic performance of lithium-ion battery using a mixture of V2O5 and lithium borate glasses doped with manganese, cobalt, and nickel as the cathode active material

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL

Radiation Physics and Chemistry Pub Date : 2025-04-17 DOI:10.1016/j.radphyschem.2025.112839

Jintara Padchasri, Sumeth Siriroj, Pinit Kidkhunthod

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Abstract

Lithium-ion batteries (LIBs), powering numerous technologies, suffer from limitations including inadequate energy density and unstable performance over extended cycles. In this study, we explore Ni–Mn–Co (NMC)-doped LBO glass as a promising electrode material combined with a V₂O₅ cathode as a strategy to address these limitations. We investigated the effect of V₂O₅ cathode active material additions on the specific capacity of the synthesized NMC glass. Blends with less than 100V exhibited specific discharge capacities above 100 mAh.g⁻¹, reaching a peak capacity of 280 mAh.g⁻¹ at 75V25NMC. XANES analysis confirmed the oxidation states of V in the NMC glass, revealing V⁴⁺ as the dominant oxidation state in the fresh state and V⁵⁺ after cycling. These findings demonstrate the potential of NMC-doped LBO glass as a high-performance electrode material when coupled with a V₂O₅ cathode for next-generation LIBs, demonstrating enhanced energy density and improved cycling stability.

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采用掺锰、钴、镍的V2O5和硼酸锂混合玻璃作为正极活性材料提高锂离子电池的容量和循环性能

锂离子电池（LIBs）为许多技术提供动力，但存在能量密度不足和长周期性能不稳定等局限性。在这项研究中，我们探索了Ni-Mn-Co （NMC）掺杂的LBO玻璃作为一种有前途的电极材料，结合V2O5阴极作为解决这些限制的策略。研究了V2O5阴极活性物质的添加对合成的NMC玻璃比容量的影响。低于100V的混合物显示出超过100mah的比放电容量。g−1，峰值容量达到280mah。g−1在75V25NMC。XANES分析证实了NMC玻璃中V的氧化态，在新鲜状态下为V4+氧化态，循环后为V5+氧化态。这些发现表明，当与V2O5阴极耦合时，nmc掺杂LBO玻璃作为下一代lib的高性能电极材料的潜力，显示出增强的能量密度和改善的循环稳定性。

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.