To conclude, the author has optimized the synthesis process of Prop-1-ene-1,3-sultone through improving some techniques, and as a result, a more practical and operational process is developed.

通过对1,3-(1-)磺内酯合成方法的优化，我们改进了部分工艺，开发出了一更合理的工艺路线。

Besides that, prop-1-ene-1,3-sultone is a kind of electrolyte additive, which can effectively restrain ion battery from expanding under the condition of high temperature.

1,3-(1-)磺内酯还是一种电解液添加剂，有地抑制离子电池在高温情况下的膨胀。