Molybdenum trioxide (MoO₃) has been extensively investigated for ultrafast ion storage due to its exceptional physicochemical properties such as high theoretical capacity, high mechanical strength and high chemical stability. In this study, we demonstrate that orthorhombic MoO₃ nanoribbons, fabricated by simple hydrothermal method, exhibit ultrafast hydrogen-ion storage properties with a high specific capacity of 216 mAh g⁻¹ at an ultrahigh rate of 500 C, which might be attributed to shorter diffusion lengths for H⁺ ions and higher speed transfer channels for electrons caused by the quasi-one-dimensional structure of MoO₃ nanoribbon. Besides, pre‑hydrogenated MoO₃ nanoribbons show greatly improved electrochemical stability, and the capacity retention rate keeps above 96% after 200 charge-discharge cycles at an ultra-high rate of 500 C. This study will provide a feasible route to further improve the electrochemical hydrogen ion storage performance for the development of high-power hydrogen ion battery.

由于三氧化钼（MoO ₃）具有出色的理化特性，例如高理论容量，高机械强度和高化学稳定性，因此已被广泛研究用于超快离子存储。在这项研究中，我们证明了通过简单的水热法制备的正交晶体MoO ₃纳米带具有超快的氢离子存储特性，在500 C的超高速率下具有216 mAh g ^-1的高比容量，这可能归因于较短的MoO ₃纳米带的准一维结构引起的H ⁺离子的扩散长度和电子的高速传输通道。此外，预氢化的MoO ₃ 纳米带显示出大大改善的电化学稳定性，并且在500 C的超高速率下200次充放电循环后，容量保持率保持在96％以上。这项研究将为进一步改善碳氢化合物的电化学氢离子存储性能提供一条可行的途径。开发大功率氢离子电池。