A study of calcium ion intercalation in perovskite calcium manganese oxide

Shreyas Pathreeker; Seth Reed; Paul Chando; Ian D. Hosein

doi:10.1016/j.jelechem.2020.114453

A study of calcium ion intercalation in perovskite calcium manganese oxide

Shreyas Pathreeker, Seth Reed, Paul Chando, Ian D. Hosein

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We report on the synthesis and characterization of perovskite calcium manganese oxide (CaMnO₃) as an intercalation compound for calcium ion insertion and extraction. Cyclic voltammetry measurements indicate calcium ion insertion and de-insertion into and from the CaMnO₃ host. Differential capacity analysis delineates the potentials at which the insertion and extraction redox processes occur (at −0.4 V and + 0.1 V vs. Ag/Ag⁺, respectively). The insertion and extraction of calcium ions is supported by post-mortem x-ray analysis, which indicates loss of Ca²⁺ ions from the native CaMnO₃ phase as well as the presence of manganese oxide phases. This study shows that perovskite calcium manganese oxide is a promising intercalation host.

Original language	English (US)
Article number	114453
Journal	Journal of Electroanalytical Chemistry
Volume	874
DOIs	https://doi.org/10.1016/j.jelechem.2020.114453
State	Published - Oct 1 2020
Externally published	Yes

Keywords

Calcium
Calcium manganese oxide
Cathode
Energy storage
Intercalation host

ASJC Scopus subject areas

Analytical Chemistry
General Chemical Engineering
Electrochemistry

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10.1016/j.jelechem.2020.114453

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title = "A study of calcium ion intercalation in perovskite calcium manganese oxide",

abstract = "We report on the synthesis and characterization of perovskite calcium manganese oxide (CaMnO3) as an intercalation compound for calcium ion insertion and extraction. Cyclic voltammetry measurements indicate calcium ion insertion and de-insertion into and from the CaMnO3 host. Differential capacity analysis delineates the potentials at which the insertion and extraction redox processes occur (at −0.4 V and + 0.1 V vs. Ag/Ag+, respectively). The insertion and extraction of calcium ions is supported by post-mortem x-ray analysis, which indicates loss of Ca2+ ions from the native CaMnO3 phase as well as the presence of manganese oxide phases. This study shows that perovskite calcium manganese oxide is a promising intercalation host.",

keywords = "Calcium, Calcium manganese oxide, Cathode, Energy storage, Intercalation host",

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T1 - A study of calcium ion intercalation in perovskite calcium manganese oxide

AU - Pathreeker, Shreyas

AU - Reed, Seth

AU - Chando, Paul

AU - Hosein, Ian D.

PY - 2020/10/1

Y1 - 2020/10/1

N2 - We report on the synthesis and characterization of perovskite calcium manganese oxide (CaMnO3) as an intercalation compound for calcium ion insertion and extraction. Cyclic voltammetry measurements indicate calcium ion insertion and de-insertion into and from the CaMnO3 host. Differential capacity analysis delineates the potentials at which the insertion and extraction redox processes occur (at −0.4 V and + 0.1 V vs. Ag/Ag+, respectively). The insertion and extraction of calcium ions is supported by post-mortem x-ray analysis, which indicates loss of Ca2+ ions from the native CaMnO3 phase as well as the presence of manganese oxide phases. This study shows that perovskite calcium manganese oxide is a promising intercalation host.

AB - We report on the synthesis and characterization of perovskite calcium manganese oxide (CaMnO3) as an intercalation compound for calcium ion insertion and extraction. Cyclic voltammetry measurements indicate calcium ion insertion and de-insertion into and from the CaMnO3 host. Differential capacity analysis delineates the potentials at which the insertion and extraction redox processes occur (at −0.4 V and + 0.1 V vs. Ag/Ag+, respectively). The insertion and extraction of calcium ions is supported by post-mortem x-ray analysis, which indicates loss of Ca2+ ions from the native CaMnO3 phase as well as the presence of manganese oxide phases. This study shows that perovskite calcium manganese oxide is a promising intercalation host.

KW - Calcium

KW - Calcium manganese oxide

KW - Cathode

KW - Energy storage

KW - Intercalation host

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A study of calcium ion intercalation in perovskite calcium manganese oxide

Abstract

Keywords

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