CoNiO3

CoNiO3 is a stable, semiconducting ternary oxide utilized primarily for its potential in oxygen-evolution catalysis.

Crystal structure of CoNiO3
Ground-state structure · Materials Project
Overview

About CoNiO3

CoNiO3 is a semiconducting oxide that sits on the thermodynamic convex hull, indicating high structural stability. As a member of the oxide oxygen-evolution catalyst class, it leverages the synergistic effects of cobalt and nickel to facilitate efficient electrochemical reactions. Its electronic character makes it a compelling candidate for energy conversion technologies where robust, stable materials are required for long-term performance. The compound is highly documented across structural databases, reflecting significant interest in its crystalline architecture and potential for advanced catalytic applications. By optimizing the metal-oxygen bond environment, CoNiO3 serves as a functional building block in the development of next-generation electrochemical devices.

At a glance

Key Properties

Cross-validated computational properties for CoNiO3, aggregated across 4 databases.

Band Gap

0.76–0.96 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
3 DFT sources

Structures

12
4 databases, 3 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CoNiO3.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where CoNiO3 is used.

Oxygen-evolution catalysisElectrochemical energy conversionElectrocatalytic water splitting
Reference

Frequently Asked Questions

Common questions about CoNiO3, answered from cross-validated data.

What is CoNiO3?

CoNiO3 is a stable, semiconducting ternary oxide utilized primarily for its potential in oxygen-evolution catalysis.

More questions
What is CoNiO3 used for?
CoNiO3 is used in oxygen-evolution catalysis, electrochemical energy conversion, and electrocatalytic water splitting.
What is the band gap of CoNiO3?
CoNiO3 has a DFT-computed band gap of 0.76–0.96 eV across 12 reported structures.
Is CoNiO3 a metal, semiconductor, or insulator?
With a band gap up to 0.96 eV it is a semiconductor.
Is CoNiO3 thermodynamically stable?
Yes — CoNiO3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CoNiO3 are known?
12 structures of CoNiO3 are reported across 4 databases, spanning 3 distinct space groups.
How is CoNiO3 synthesized?
Literature-reported routes for CoNiO3 include solid state (2 procedures documented).
What elements does CoNiO3 contain?
CoNiO3 contains Co, Ni, and O (3 elements).
Where does the data for CoNiO3 come from?
CoNiO3 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Within the diverse landscape of oxygen-evolution catalysts, CoNiO3 offers a distinct balance of stability and activity compared to simpler binary oxides like NiO. While complex layered materials such as LiCoO2 or LaNiO3 are often explored for their intercalation or perovskite-based properties, CoNiO3 provides a unique mixed-metal framework that bridges the gap between binary transition metal oxides and more intricate ternary systems.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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