Harvesting clean energy through artificial devices has attracted tremendous interest in the past few decades. More specifically, electricity generated by electrokinetic effects has received much attention recently due to the development of microfluidic and nanofluidic device. In this paper, we have developed a novel power-generating device based on membranes made of boron nitride (BN) nanosheets. The hydrated BN membrane contains intra-layer spacing between individual BN nanosheets, which can form nanofluidic channels to accommodate water molecules and ions. This novel device with a membrane area of 5 mm² generates a large current of 12.1 nA in 0.1 M NaCl solution with a pressure gradient of 5 kPa, and reaching a maximum output power of 3.2 pW. Furthermore, multiple devices can be connected and operated simultaneously to increase the current output, which is promising for future clean energy harvesting devices.

在过去的几十年中，通过人工设备收集清洁能源引起了极大的兴趣。更具体地，由于微流体和纳米流体装置的发展，由电动效应产生的电近来受到广泛关注。在本文中，我们开发了一种基于氮化硼（BN）纳米片制成的膜的新型发电装置。水合的BN膜在各个BN纳米片之间包含层内间隔，可以形成纳米流体通道以容纳水分子和离子。膜面积为5 mm ^2的新型设备在0.1 M NaCl溶液中以5 kPa的压力梯度产生12.1 nA的大电流，并达到3.2 pW的最大输出功率。此外，可以同时连接和操作多个设备以增加电流输出，这对于将来的清洁能源收集设备很有希望。