室温钠硫电池的发展现状和挑战

李社栋, 宋莹莹, 边煜华, 刘朝孟, 高宣雯, 骆文彬

Status and challenges in the development of room-temperature sodium-sulfur batteries

Shedong LI, Yingying SONG, Yuhua BIAN, Zhaomeng LIU, Xuanwen GAO, Wenbin LUO

图10 (a) 具有菱形和单斜相的代表性NASICON(Na₃Zr₂Si₂PO₁₂)的晶体结构^[81]，(b) PIN材料和PIN涂覆的Na₃Zr₂Si₂PO₁₂ 粒料的XRD图案，(c) PIN涂覆的Na₃Zr₂Si₂PO₁₂ 粒料表面的SEM图像，(d) Na ∥ PIN- Na₃Zr₂Si₂PO₁₂ ∥ CNF/S电池和Na ∥ Celgard ∥ CNF/S电池在C/5循环速率下的比放电容量和库仑效率与循环次数的关系^[61]

Fig. 10 (a) Crystal structures of the representative NASICON (Na₃Zr₂Si₂PO₁₂) with rhombohedral and monoclinic phase^[81], (b) XRD pattern of the PIN material and a PIN-coated Na₃Zr₂Si₂PO₁₂ pellet, (c) SEM image of the surface of a PIN-coated Na₃Zr₂Si₂PO₁₂ pellet, (d) Specific discharge capacities and Coulombic ef?ciencies versus cycling number of a Na ∥ PIN-Na₃Zr₂Si₂PO₁₂ ∥ CNF/S cell and a Na ∥ Celgard ∥ CNF/S cell at a cycling rate of C/5^[61]