Voltage generation induced by thermo-driven ion solution flow in CNTs for low-grade thermal energy harvesting

Liu, Zhenyu; Huang, Xianghui; Liu, Runkeng

doi:10.1016/j.ijheatmasstransfer.2022.123751

Cited by 1 publication

(1 citation statement)

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“…Nanofluidic energy absorption system (NEAS) is a kind of energy absorption system smaller and lighter, with higher energy absorption density [1,2]. It has promising applications in the fields of mechanical, thermal, and electrical energy storage [3][4][5][6], for example, anti-crash energy absorbing materials or a high efficiency buffers in the aerospace field [7].…”

Section: Introductionmentioning

confidence: 99%

Study of Temperature Effect on Cascade Characteristics of Nanofluidic Energy Absorption System

et al. 2023

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Nanofluidic energy absorption system (NEAS) with cascade energy absorption characteristics can absorb energy on different levels simultaneously in one system, which greatly enriches its functions and applications. The pore structure and size distribution of porous media play a crucial role in the design and construction of cascade nanofluidic systems. In this paper, two cascade pore models were constructed using carbon nanotubes with different diameters, one was the model of two tubes with both one end immersed in water (DNEAS), and the other was the model of two tubes end to end, with the end of the big tube immersed in water (SNEAS). The effects of temperature-coupled pore size on the infiltration processes of water molecules into two models were investigated. The fitting correlations between critical pore size difference and temperature were established. The microscopic mechanism of temperature effect was illuminated. With the increase in temperature, systems displaying cascade characteristics transformed into a single-stage system without cascade characteristics. Due to the significant size effect of system temperature, the critical pore difference increased with both system temperature and the pore size. The research results expanded the basic database of cascade nanofluidic systems and provided guidance for the application design of cascade nanofluidic systems.

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