如何打破超出边界的线？

Question

有人能告诉我如何断开链接吗？从页边距。您可以在图中看到化学式超出了页边距。我正在使用文档类，数据是

\documentclass[12pt, a4paper]{report}
\usepackage{chemformula}
\usepackage{chemmacros}
\begin{document}
Due to this proton conductors are a promising achievement as electrolytes. In general Perovskite-like structured electrolyte materials, such as yttrium-doped barium zirconates (BZY) or cerates (BCZY), are promising materials for the improvement of the protonic conduction of electrolytes at relatively low operating temperatures up to 600\degree C. These electrolytes provide high thermo-chemical stability and conversion efficiency. \ch{La_{0.6}Sr_{0.4}Co_{0.2}Fe_{0.8}O3_{-δ}} (LSCF) – \ch{BaZr_{0.8}Y_{0.2}O3_{-δ}} (BZY) are commonly used air electrodes in SOEC and \ch{Ni}-based cerements \ch{Ni-BZY} or \ch{NiO-BZY} are used as hydrogen electrodes (16, 20, 21, 22).\\
\end{document}

请按需要做。