Electronic transport properties of liquid Na1−xKx alloys

Korkmaz, Şadan

doi:10.1016/j.molliq.2013.05.005

Cited by 8 publications

(2 citation statements)

References 42 publications

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“…The cell assembly is described in detail in the experimental section. In addition, the Na–K alloy is found to be metallic according to the DFT calculations (Figure S2), which is consistent with the experimental and theoretical results in previous studies. − Therefore, the important electrical contact of the metallic anode can be established.…”

Section: Resultssupporting

confidence: 89%

Dendrite-Free Potassium–Oxygen Battery Based on a Liquid Alloy Anode

Lau

Lei

et al. 2017

ACS Appl. Mater. Interfaces

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The safety issue caused by the dendrite growth is not only a key research problem in lithium-ion batteries but also a critical concern in alkali metal (i.e., Li, Na, and K)-oxygen batteries where a solid metal is usually used as the anode. Herein, we demonstrate the first dendrite-free K-O battery at ambient temperature based on a liquid Na-K alloy anode. The unique liquid-liquid connection between the liquid alloy and the electrolyte in our alloy anode-based battery provides a homogeneous and robust anode-electrolyte interface. Meanwhile, we manage to show that the Na-K alloy is only compatible in K-O batteries but not in Na-O batteries, which is mainly attributed to the stronger reducibility of potassium and relatively more favorable thermodynamic formation of KO over NaO during the discharge process. It is observed that our K-O battery based on a liquid alloy anode shows a long cycle life (over 620 h) and a low discharge-charge overpotential (about 0.05 V at initial cycles). Moreover, the mechanism investigation into the K-O cell degradation shows that the O crossover effect and the ether-electrolyte instability are the critical problems for K-O batteries. In a word, this study provides a new route to solve the problems caused by the dendrite growth in alkali metal-oxygen batteries.

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Section: Resultssupporting

confidence: 89%

Dendrite-Free Potassium–Oxygen Battery Based on a Liquid Alloy Anode

Lau

Lei

et al. 2017

ACS Appl. Mater. Interfaces

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“…The middle electrons, a portion of the electrons that are still close to the centres, are unintentionally touched by the atomic evolution. The remaining electrons (valence electrons), which are flexible through particle assembly, are in charge of giving liquid metals their vehicle and solid properties [2][3][4][5][6][7][8][9][10]. The electrical resistivity (), thermoelectric power (TEP), and thermal conductivity () of several simple liquid metals were reported by us in the current work with the aid of pseudopotential theory.…”

Section: Introductionmentioning

confidence: 99%

A Unified Study of Electrical Transport Properties of Some Liquid Alkali Elements by Pseudopotential Approach

Jani,

Vora

2024

J. Nano- Electron. Phys.

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A well established local pseudopotential of Fiolhais et al. is used to study the electrical transport properties i.e. electrical resistivity, thermal conductivity and thermoelectric power (TEP) of some liquid elements using model pseudopotential theory with Ziman's and mean free path models. Taylor's local field correction function is utilized to investigate the exchange and correlation effect on the said properties. The one component plasma (OCP) method is adopted for computing the structure factor of liquid metals. The presently obtained results are compared well with other such outcomes wherever exists and found fruitful.

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Semi-liquid anode for dendrite-free K-ion and Na-ion batteries

Zhang

Jin

et al. 2021

Chemical Engineering Journal

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Electronic transport properties of liquid Na1−xKx alloys

Cited by 8 publications

References 42 publications

Dendrite-Free Potassium–Oxygen Battery Based on a Liquid Alloy Anode

Dendrite-Free Potassium–Oxygen Battery Based on a Liquid Alloy Anode

A Unified Study of Electrical Transport Properties of Some Liquid Alkali Elements by Pseudopotential Approach

Semi-liquid anode for dendrite-free K-ion and Na-ion batteries

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