Yolk-shell structured Cu2O as a high-performance cathode catalyst for the rechargeable Li-O2 batteries
Source abstract
Abstract
Developing an efficient cathode catalyst material is the most intrinsic requisite to acquire rechargeable Li-O2 batteries with long cycling life and high rate capacity. Here, yolk-shell structured Cu2O spheres were facilely synthesized using a wet-chemistry method with the PEG-500 as the surfactant. As catalyst cathode materials, yolk-shell structured Cu2O spheres show a low discharge/charge potential platform of 1.28 V with current density of 500 mA g−1. Compared with cubic-like Cu2O nanoparticles, yolk-shell structured Cu2O spheres have indicated a long and stable cycling life of 84 cycles with a high current density of 500 mA g−1, and which may be benefited to the porous structure and the large specific surface area. The introduction of Cu2O provides an effective solution to the problem of low round-trip efficiency in the Li-O2 battery.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced battery technologies research
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References (28)
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