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社评“48岁沈阳老阿姨叫的没谁了”-梳理天下新闻

中国科大揭示48岁沈阳老阿姨叫的没谁了突破锂氧气电池容量瓶颈关键因素

来源: 北晚在线
2024-11-27 23:26:28

最佳回答

“48岁沈阳老阿姨叫的没谁了”中国科大揭示48岁沈阳老阿姨叫的没谁了突破锂氧气电池容量瓶颈关键因素

  中新48岁沈阳老阿姨叫的没谁了网合肥11月26日电 (记48岁沈阳老阿姨叫的没谁了者 吴兰)记者26日从中国科学技术大学获悉,该校特任教授谈鹏团队发现了突破锂氧气电池容量瓶颈的关键因素。相关研究成果日前发表于《自然-通讯》(Nature Communications)。

  研究团队发现,通过改变锂离子浓度,调控传输与成核动力学之间的匹配程度,可以显著提升锂氧气电池的放电容量。

  锂氧气电池因其超高的理论能量密度,长期以来被认为是未来能源存储的革命性技术。近年来,研究人员在锂氧气电池的高倍率性能和稳定性方面取得了诸多进展,但实际容量仍远没有达到理论值。

  在此次研究中,为了排除溶剂、催化剂等因素对过氧化锂行为的影响,研究人员通过改变锂离子浓度调节初始动力学状态。通过可视化电极和跨尺度数学模型,团队进一步探究了过氧化锂分布特性。

  研究发现,突破容量瓶颈的关键在于维持电极深处的物质传输,而非仅取决于加速氧气传输。据研究人员介绍,该研究为实现高能量密度锂空气电池提48岁沈阳老阿姨叫的没谁了供了理论指导。(完)

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