As a class of promising anode materials, tungsten oxide (WO_3-x) based materials have been increasingly investigated for pseudocapacitors application, owing to their superior electronic conductivity, environmental friendliness, good electrochemical stability, and low cost. In this review, the development history and the charge storage mechanisms of WO_3-x-based electrode materials are first presented. Then the various synthesis strategies of WO_3-x based electrode materials and the relationship between microstructure and electrochemical performance are highlighted and summarized. This review also introduces the device performance and the multifunctional applications for WO_3-x-based supercapacitors. Finally, the challenges and future directions for the further development of WO_3-x-based high-performance supercapacitors are discussed.

作为一类有前途的负极材料，氧化钨（WO _3-x）基材料由于其优异的电子导电性、环境友好性、良好的电化学稳定性和低成本等优点，越来越多地被研究用于赝电容器应用。_{在这篇综述中，首先介绍了WO 3-x}基电极材料的发展历史和电荷存储机制。_{然后重点总结了WO 3-x}基电极材料的各种合成策略以及微观结构与电化学性能之间的关系。本综述还介绍了 WO _{3-x的器件性能和多功能应用}基超级电容器。_{最后，讨论了进一步发展基于WO 3-x}的高性能超级电容器的挑战和未来方向。