Abstract ABSTRACT: Na2O–K2O–Nb2O5–SiO2–BaO initial glass were synthesized by traditional melts method and treated to fabricate glass-ceramics by controllable crystallization. The effect of glass network structure was studied on interfacial polarization, energy storage density and charge-discharge performances. NaNbO3 was precipitated as major phase and maintained similar degree of crystallinity for all samples. A high degree of polymerization (DOP) glass network structure was obtained because of the addition of BaO. Charge localization caused by interfacial polarization weakened because carriers were trapped uniformly in glass network structure, so breakdown strength (BDS) reached to 590 kV/cm when x = 5 because of the low value of Ea of 0.98eV. When x = 3, the maximum value of discharge energy density and the power density reached to 0.21J/cm3 and 16MW/cc respectively at 240 kV/cm by LCR circuit.

中文翻译：

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玻璃网络结构对 Na2O-K2O-Nb2O5-SiO2-BaO 微晶玻璃界面极化的影响

摘要 摘要：采用传统熔融法合成Na2O–K2O–Nb2O5–SiO2–BaO 初始玻璃，并通过可控结晶处理制备微晶玻璃。研究了玻璃网络结构对界面极化、储能密度和充放电性能的影响。NaNbO3 作为主要相沉淀并保持所有样品的相似结晶度。由于 BaO 的加入，获得了高聚合度 (DOP) 玻璃网络结构。由于载流子被均匀地捕获在玻璃网络结构中，界面极化引起的电荷局部化减弱，因此当 x = 5 时，击穿强度（BDS）达到 590 kV/cm，因为 Ea 值低，为 0.98eV。当 x = 3 时，放电能量密度和功率密度的最大值达到 0。