CAJ | 학술논문

利用高能球磨及随后热处理的方法制备了具有高锂离子导电性的80Li2 S-20P2 S5（ mol％）玻璃陶瓷固体电解质。通过X射线衍射分析、扫描电镜及交流阻抗法分别研究了固体电解质的物相种类、形貌及离子电导率。研究发现，球磨时间对玻璃态的形成具有直接影响，高能球磨得到的玻璃态中间体经过热处理形成了玻璃陶瓷电解质，其中含有Li7 PS6、 Li3 PS4以及thio-LISICON类似物等晶体，晶粒之间接触十分紧密，其室温锂离子电导率较玻璃态有明显提高。
이용고능구마급수후열처리적방법제비료구유고리리자도전성적80Li2 S-20P2 S5（ mol％）파리도자고체전해질。통과X사선연사분석、소묘전경급교류조항법분별연구료고체전해질적물상충류、형모급리자전도솔。연구발현，구마시간대파리태적형성구유직접영향，고능구마득도적파리태중간체경과열처리형성료파리도자전해질，기중함유Li7 PS6、 Li3 PS4이급thio-LISICON유사물등정체，정립지간접촉십분긴밀，기실온리리자전도솔교파리태유명현제고。
High lithium ion -conductive 80Li2S -20P2S5 ( mol%) glass -ceramic solid electrolytes were prepared by using a mechanical milling technique and heat treatment.Structure, morphology and conductivities of the glass-ceramic solid electrolytes were measured by XRD, SEM and EIS.Mechanical milling was performed on the 80Li2 S -20P2 S5 ( mol%) powder mixtures.Milling for different periods at room temperature had a different effect to the powders.A superionic crystal analogous to highly conductive thio-LISICON and other crystals such as Li7PS6 and Li3PS4 was successfully formed by the crystallization of mechanically milled 80Li2S -20P2S5 ( mol%) glass.The formation of this super ionic crystal and the close contact between the grains enhanced the conductivities of the glass.