Battery Brew 23|高压无负极钠硫电池：3.6V + 2021 Wh/kg

播客概述：欢迎收听本期节目！关键内容提要：传统室温钠硫电池（Na-S）两大瓶颈：放电电压低（~1.2–1.6 V，基于S⁰/S²⁻转化） + 需要过量金属钠负极（安全隐患大、成本高、钠用量多几十倍）。* 团队首创高价态硫氧化还原路径（S⁰/S⁴⁺，即S/SCl₄），实现3.6 V高电压 + **无负极（anode-free）**配置：出厂仅用铝箔集流体，钠全部源自电解液/正极，充电时原位镀钠。* 核心“魔法药水”：双氰胺钠（NaDCA）添加到不可燃氯铝酸盐电解液（AlCl₃ in SOCl₂）中。Geng, S., Yuan, B., Zhao, X. et al. High-voltage anode-free sodium–sulfur batteries. Nature 649, 353–359 (2026). doi.org感谢收听！继续充电，也继续酿造好生活！#EKL...去小宇宙查看完整单集简介前往小宇宙评论区与主播互动

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This episode was published on January 23, 2026.

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