Li–O₂ batteries have attracted much attention due to its ultra-high theoretical energy density; however, an overpotential of large charging/discharging limits its development. Herein, we report an inorganic/organic heterostructured MoS₂@PANI cathode material to capture visible light, and the generated charge carriers were used to promote the oxygen reduction reaction and oxygen evolution reaction. Bestowed by the unique structural advantage, MoS₂@PANI achieves an ultra-low overpotential of 0.08 V and stable low-overpotential cycling at 0.05 mA cm⁻² under light conditions. DFT calculations further reveal that the unique heterostructure significantly adjusts the adsorption of oxygenated intermediates, thus promoting Li₂O₂ formation and decomposition. This work provides insights into rationally designing inorganic/organic heterojunction to improve the electrochemical kinetics for efficient rechargeable Li–O₂ batteries.

中文翻译：

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解锁n-p型异质结构MoS2@PANI光电阴极的快速动力学，以获得坚固的低过电势Li-O2电池

Li-O ₂电池因其超高的理论能量密度而备受关注；然而，大充放电过电位限制了其发展。在此，我们报道了一种无机/有机异质结构MoS ₂ @PANI阴极材料来捕获可见光，产生的载流子用于促进氧还原反应和析氧反应。凭借独特的结构优势，MoS ₂ @PANI在光照条件下实现了0.08 V的超低过电位和0.05 mA cm ^-2的稳定低过电位循环。 DFT计算进一步表明，独特的异质结构显着调节含氧中间体的吸附，从而促进Li ₂ O ₂的形成和分解。这项工作为合理设计无机/有机异质结以改善高效可充电Li-O ₂电池的电化学动力学提供了见解。