Phase formation in alloy-type anode materials in the quaternary system Li–Sn–Si–C

Abstract The Mg-Ga alloy-type electrode is one of the potential anode materials for Magnesium-ion batteries (MIBs). In this work, the thermodynamic, electrochemical and kinetic properties of Mg-Ga compounds, i.e. Mg2Ga5, MgGa2, MgGa, Mg2Ga and Mg5Ga2, have been systematically studied. Combining the first-principles calculations and charge-discharge experimental results, the structure evolution and voltage curves of Mg-Ga compounds are presented, where the Mg-Ga compounds show low voltages and high capacity up to 1922 mAh·g-1 with Mg5Ga2. Additionally, the diffusion barriers of Mg in Mg-Ga alloys are low, which is favorable for the fast ion-transmission and then good rate performance as anodes of MIBs.

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Sodium‐Ion Batteries: Carbon‐Based Alloy‐Type Composite Anode Materials toward Sodium‐Ion Batteries (Small 22/2019)

Small ◽

10.1002/smll.201970115 ◽

2019 ◽

Vol 15 (22) ◽

pp. 1970115 ◽

Cited By ~ 2

Author(s):

Guorui Yang ◽

P. Robert Ilango ◽

Silan Wang ◽

Muhammad Salman Nasir ◽

Linlin Li ◽

...

Keyword(s):

Anode Materials ◽

Sodium Ion ◽

Sodium Ion Batteries ◽

Composite Anode ◽

Alloy Type ◽

Type Composite ◽

Carbon Based

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Thermodynamics-driven interfacial engineering of Alloy-Type Anode Materials

Cell Reports Physical Science ◽

10.1016/j.xcrp.2021.100694 ◽

2021 ◽

pp. 100694

Author(s):

Qizhang Yan ◽

Shu-Ting Ko ◽

Andrew Dawson ◽

David Agyeman-Budu ◽

Grace Whang ◽

...

Keyword(s):

Anode Materials ◽

Interfacial Engineering ◽

Alloy Type

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Characterization of reactive phase formation in sputter-deposited Ni/Al multilayer thin films using TEM

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100167469 ◽

1996 ◽

Vol 54 ◽

pp. 1000-1001

Author(s):

G. Lucadamo ◽

K. Barmak ◽

C. Michaelsen

Keyword(s):

Thin Films ◽

Phase Formation ◽

Dark Field ◽

Nickel Layer ◽

Multilayer Thin Films ◽

Cross Sectional ◽

Dark Field Imaging ◽

Transmission Electron ◽

Sputter Deposited ◽

Constant Heating

The subject of reactive phase formation in multilayer thin films of varying periodicity has stimulated much research over the past few years. Recent studies have sought to understand the reactions that occur during the annealing of Ni/Al multilayers. Dark field imaging from transmission electron microscopy (TEM) studies in conjunction with in situ x-ray diffraction measurements, and calorimetry experiments (isothermal and constant heating rate), have yielded new insights into the sequence of phases that occur during annealing and the evolution of their microstructure.In this paper we report on reactive phase formation in sputter-deposited lNi:3Al multilayer thin films with a periodicity A (the combined thickness of an aluminum and nickel layer) from 2.5 to 320 nm. A cross-sectional TEM micrograph of an as-deposited film with a periodicity of 10 nm is shown in figure 1. This image shows diffraction contrast from the Ni grains and occasionally from the Al grains in their respective layers.

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