Droplet electricity generators (DEGs) offer a promising solution in renewable energy applications and environmental concerns, but are restricted by their low voltage output. To overcome this challenge, we built polydimethylsiloxane (PDMS) doped high-entropy oxide materials (HEOs) as the intermediate layer composite material for DEG (HP-DEG), successfully achieving 420 V of high voltage output and 0.23 mA of current output. The excellent voltage and current output can be attributed to the high entropy effect and strong charge trapping ability of the HEOs@PDMS intermediate layer material, which provides a guarantee for effectively reducing charge decay and thereby increasing the voltage output of DEGs. In addition, the study conducted a systematic analysis of the interface physical and chemical characteristics, solid–liquid interface equivalent circuit equation, and electrical output behavior, exhibiting an important theoretical basis and experimental verification for a deep understanding of the interface-switching effect mechanism in HP-DEG power generation. Based on the excellent performance of the above materials and HP-DEG, we applied HP-DEG to energy collection, demonstrating a comparable energy collection performance with DEG. Subsequently, an HP-DEG based bacterial DNA detection sensor and a bacterial DNA-early warning system were developed, achieving a highly sensitivity of 0.01 nM with a single droplet sample, providing new possibilities for the sample analysis of low-volume and high-sensitivity requests. We believe that the high-intensity breakthrough of HP-DEG voltage output will usher in a new era for DEGs in the fields of energy, environment, and biomedical diagnosis.

中文翻译：

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使用高介电高熵氧化物复合材料增强液滴发电机的电压输出

液滴发电机（DEG）为可再生能源应用和环境问题提供了一种有前景的解决方案，但受到其低电压输出的限制。为了克服这一挑战，我们构建了聚二甲基硅氧烷（PDMS）掺杂的高熵氧化物材料（HEO）作为DEG（HP-DEG）的中间层复合材料，成功实现了420 V的高压输出和0.23 mA的电流输出。优异的电压和电流输出归功于HEOs@PDMS中间层材料的高熵效应和强大的电荷捕获能力，这为有效减少电荷衰减从而提高DEG的电压输出提供了保证。此外，该研究对界面物理化学特性、固液界面等效电路方程和电输出行为进行了系统分析，为深入理解界面转换效应机制提供了重要的理论基础和实验验证。 HP-DEG发电。基于上述材料和HP-DEG的优异性能，我们将HP-DEG应用于能量收集，展示了与DEG相当的能量收集性能。随后，开发了基于HP-DEG的细菌DNA检测传感器和细菌DNA预警系统，实现了单液滴样品0.01 nM的高灵敏度，为小体积、高灵敏度的样品分析提供了新的可能性要求。我们相信，HP-DEG电压输出的高强度突破将开启DEG在能源、环境、生物医学诊断等领域的新时代。