All-solid-state Li batteries (ASSBs) have become the frontrunner in the search for a better safety and stable energy storage systems that possess remarkable energy and power density. Until now, research on inorganic solid electrolytes (SEs) has primarily aimed to enhance interfacial stability and boost ionic conductivity. However, the importance of electrolyte thickness in ASSB's electrochemical performance and energy density has been relatively overlooked. The slurry processing is a primary method used in the preparation of thin inorganic SE. This method has drawbacks including the use of harmful organic solvents and significant energy for solvent evaporation and recovery. Recognizing this, our review assesses studies that go beyond the conventional casting method and focuses on the solvent-free fabrication of inorganic SE membranes. Implementing a solvent-free method in the fabrication of inorganic SE membranes affords an eco-friendly manufacturing process. Furthermore, a thinner membrane, which can be fabricated using this method, is highly advantageous for constructing high-energy ASSBs. An overview of inorganic SE membranes fabrication using the solvent-free approach is given in this review. We systematically discuss the employed methods to manufacture inorganic SE membranes using solvent-free approach and highlight the required polymeric binders. Then, we provide recent advances and challenges of solvent-free fabrication of inorganic SE membranes followed by future perspectives.

全固态锂电池（ASSB）已成为寻求更安全、更稳定、具有卓越能量和功率密度的储能系统的领跑者。到目前为止，无机固体电解质（SE）的研究主要旨在增强界面稳定性和提高离子电导率。然而，电解质厚度对ASSB电化学性能和能量密度的重要性却相对被忽视了。浆料加工是制备稀无机SE的主要方法。该方法的缺点包括使用有害的有机溶剂以及用于溶剂蒸发和回收的大量能量。认识到这一点，我们的综述评估了超越传统浇铸方法的研究，重点关注无机 SE 膜的无溶剂制造。在无机 SE 膜的制造中采用无溶剂方法提供了一种环保的制造工艺。此外，使用这种方法可以制造更薄的膜，对于构建高能ASSB非常有利。本综述概述了使用无溶剂方法制造无机 SE 膜。我们系统地讨论了使用无溶剂方法制造无机 SE 膜的方法，并重点介绍了所需的聚合物粘合剂。然后，我们提供了无溶剂制造无机 SE 膜的最新进展和挑战，以及未来的前景。