반응 #678078

반응 방정식

P2S5

phosphorus pentasulfide

Li2S

Li2O

lithium sulfide

→

Li2S Li2O P2S5

용매

heptane

반응 조건

후처리

1. 1
   workup.ADDITIONwas introduced
2. 2
   기타the pot was completely sealed
3. 3
   기타With the pot mounted on a planetary type ball mill machine (P7™ produced by Fritsch Japan Co., Ltd.)
4. 4
   기타process and 15 minutes
5. 5
   기타Thereafter, the obtained specimen was dried on a hot plate
6. 6
   기타set at 100° C.
7. 7
   기타for removing the heptane so as

실험 절차

As the starting materials, lithium sulfide (Li2S) and phosphorus pentasulfide (P2S5) were used. Powders thereof were measured to have a molar ratio of Li2S:P2S5=75:25 so as to be mixed in an agate mortar. Then, 2 g of the mixture was introduced into a 45 ml of zirconia pot, 4 g of dehydrated heptane (moisture content 30 ppm or less) was introduced, and furthermore, a zirconia ball (φ5.5 mm, 53 g) was introduced, and then the pot was completely sealed. With the pot mounted on a planetary type ball mill machine (P7™ produced by Fritsch Japan Co., Ltd.), a mechanical milling operation was carried out for 20 times with a 500 rpm base plate rotational frequency by a one hour process and 15 minutes pause cycle. Furthermore, after adding 6 mol % of Li2O, the mechanical milling was carried out in the same conditions as mentioned above. Thereafter, the obtained specimen was dried on a hot plate set at 100° C. for removing the heptane so as to obtain a sulfide solid electrolyte material (sulfide glass, Li2S—Li2O—P2S5).

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