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Neuromorphic van der Waals crystals for substantial energy generation

Engineering and Technology

Neuromorphic van der Waals crystals for substantial energy generation

S. Kim, S. Choi, et al.

Discover an innovative approach to energy harvesting in nanofluidics through the work of Sungsoon Kim, Sangjin Choi, Hae Gon Lee, Dana Jin, Gwangmook Kim, Taehoon Kim, Joon Sang Lee, and Wooyoung Shim. This research presents a neuro-inspired method leveraging confined van der Waals crystals to enhance ion diffusion flux, achieving remarkable ion selectivity and efficient power generation.

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Playback language: English
Abstract
Controlling ion transport in nanofluidics is crucial for various applications. This paper introduces a neuro-inspired energy harvesting method using confined van der Waals crystals to maximize ion diffusion flux and generate electromotive force. A robust nanochannel, similar to neuron cells, enables steady-state ion diffusion for extended periods, exhibiting high ion selectivity (95.8%), energy conversion efficiency (41.4%), and power density (5.26 W/m²). This design strategy opens possibilities for large-scale passive power generation.
Publisher
Nature Communications
Published On
Jan 04, 2021
Authors
Sungsoon Kim, Sangjin Choi, Hae Gon Lee, Dana Jin, Gwangmook Kim, Taehoon Kim, Joon Sang Lee, Wooyoung Shim
Tags
ion transport
nanofluidics
energy harvesting
van der Waals crystals
ion selectivity
electromotive force
power generation

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