Unexpectedly high energy density of a Li-Ion battery by oxygen redox in LiNiO2 cathode: First-principles study

D Choi, J Kang, B Han - Electrochimica Acta, 2019 - Elsevier
Conventionally neglected mechanism of reversible redox reactions by oxygen ions in lithium-
nickel oxide materials (LNO; Li 2x Ni 2-2x O 2, 0< x< 1) is proposed as a primary cause of …

First-principles theory of doping in layered oxide electrode materials

K Hoang - Physical Review Materials, 2017 - APS
Doping lithium-ion battery electrode materials Li MO 2 (M= Co, Ni, Mn) with impurities has
been shown to be an effective way to optimize their electrochemical properties. Here, we …

Towards ultra low cobalt cathodes: A high fidelity computational phase search of layered Li-Ni-Mn-Co oxides

G Houchins, V Viswanathan - Journal of The Electrochemical …, 2019 - iopscience.iop.org
Abstract Layered Li (Ni, Mn, Co,) O 2 (NMC) presents an intriguing ternary alloy design
space for optimization as a cathode material in Li-ion batteries. In the case of NMC …

A heuristic quantum-classical algorithm for modeling substitutionally disordered binary crystalline materials

TP Gujarati, T Takeshita, A Hintennach… - arXiv preprint arXiv …, 2020 - arxiv.org
Improving the efficiency and accuracy of energy calculations has been of significant and
continued interest in the area of materials informatics, a field that applies machine learning …

Cluster Expansion Analysis of Atomic Order in Li-Ion Battery Cathode Material LiCoyNi1− yO2

E Lee, R Benedek - Journal of The Electrochemical Society, 2020 - iopscience.iop.org
A modified cluster-expansion treatment was developed recently to analyze atomic order in
LiCo y Ni 1− y O 2, a model cathode material for Li-ion batteries. In this treatment, referred to …

The role of uncertainty quantification and propagation in accelerating the discovery of electrochemical functional materials

G Houchins, D Krishnamurthy, V Viswanathan - MRS Bulletin, 2019 - cambridge.org
Density functional theory (DFT) has proved to be exceptionally successful in rationalizing
trends in activity and functionality for electrochemical functional materials. With continued …

GoCrystal: A gamified visual analytics tool for analysis and visualization of atomic configurations and thermodynamic energy models

H Chung, S Nandhakumar, GP Vasu… - Information …, 2020 - journals.sagepub.com
In this article, we present GoCrystal, a new visual analytics tool for analysis and visualization
of atomic configurations and thermodynamic energy models. GoCrystal's primary objective is …

[PDF][PDF] Towards Efficient Computational Predictions of Battery Cathodes

G Houchins - 2020 - kilthub.cmu.edu
A series of computational tools were employed with the primary goal of understanding
layered transition metal oxide materials as lithium ion battery cathodes. As nearly all of the …