A study of calcium ion intercalation in perovskite calcium manganese oxide

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

doi:10.1016/j.jelechem.2020.114453

Cited by 15 publications

(13 citation statements)

References 45 publications

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“…With further research and development, it may be possible to optimize cell weight toward light yet energy dense calcium battery cells, for example, by using suitable calcium lanthanide oxide cathodes. Synthesis and electrochemical studies have already begun in perovskite cathodes, such as CaMnO 3 . Some calcium battery cells also provide reductions in cost performance ($/kWh) as discussed in the Supporting Information.…”

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confidence: 99%

The Promise of Calcium Batteries: Open Perspectives and Fair Comparisons

Hosein

2021

ACS Energy Lett.

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confidence: 99%

The Promise of Calcium Batteries: Open Perspectives and Fair Comparisons

Hosein

2021

ACS Energy Lett.

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“…The precise contributing factors that lead to high impedance and large plating potentials are also the subject of current investigation. Studies on this gel electrolyte with suitable cathode materials are also underway.…”

Section: Resultsmentioning

confidence: 99%

Gel Polymer Electrolytes Based on Cross-Linked Poly(ethylene glycol) Diacrylate for Calcium-Ion Conduction

et al. 2021

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Calcium batteries are promising alternatives to lithium batteries owing to their high energy density, comparable reduction potential, and mineral abundance. However, to meet practical demands in high-performance applications, suitable electrolytes must be developed. Here, we report the synthesis and characterization of polymer gel electrolytes for calcium-ion conduction prepared by the photo-cross-linking of poly(ethylene glycol) diacrylate (PEGDA) in the presence of solutions of calcium salts in a mixture of ethylene carbonate (EC) and propylene carbonate (PC) solvents. The results show room-temperature conductivity between 10 −5 and 10 −4 S/cm, electrochemical stability windows of ∼3.8 V, full dissociation of the salt, and minimal coordination with the PEGDA backbone. Cycling in symmetric Ca metal cells proceeds but with increasing overpotentials, which can be attributed to interfacial impedance between the electrolyte and calcium surface, which inhibits charge transfer. Calcium may still be plated and stripped yielding high-purity deposits and no indication of significant electrolyte breakdown, indicating that high overpotentials are associated with an electrically insulating, yet ion-permeable solid electrolyte interface (SEI). This work provides a contribution to the study and understanding of polymer gel materials toward their improvement and application as electrolytes for calcium batteries.

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“…DFT is based on the computational quantum mechanical modelling method to investigate the electronic structure of particular atoms, molecules and condensed phases. According to the DFT, the most suitable cathode materials for Ca batteries are perovskite oxides with a general formula CaMO 3 (M = Mo, Cr, Mn, Fe, Co, Ni) [24][25][26][27].…”

Section: Perovskite As Cathodes In Batteriesmentioning

confidence: 99%

“…The DFT study marked CaMoO 3 as potential cathode material due to its high electric conductivity, no crystal defects and activity in the voltage range 2 -3 V. Despite this, deintercalation of Ca 2+ ions was not achieved since the diffusion of Ca 2+ inside the perovskite structure was too low. Pathreeker et al [27] have prepared CaMnO 3 as cathode material, while 0.5 M Ca(BF 4 ) 2 in acetonitrile was used as electrolyte. In this case, the reversible intercalation and deintercalation of Ca was achieved, which was confirmed by X-ray diffractometry (XRD) showing the formation of new phases-cation deficient Ca 1-x MnO 3 and MnO 2 .…”

Section: Perovskite As Cathodes In Batteriesmentioning

confidence: 99%

Perovskite Oxides for Energy Applications

2022

Teh. vjesn.

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Industrial and population growth is constantly increasing energy consumption. Since 81.3% of consumed energy is produced from fossil fuels, the high pollution and emission rates are leading to climate changes resulting in extreme weather conditions. The development of new materials and technology is necessary to achieve sustainable societal growth and development. In the field of new materials, perovskites are the main subject of much scientific research conducted in the last decade. Perovskites are usually divided into two groups: halides and oxides. The application of perovskite halides in photovoltaic and solar cells is already well-known and investigated. On the other hand, perovskite oxides do not possess optical and light-absorption properties comparable to perovskite halides, but they have promising electrical and magnetic properties and high reducibility rates. This review is dedicated to the perovskite oxides, preparation methods of this material and their application for energy transformation and storage applications. The perovskite oxides have high potential as working materials in solid oxide fuel cells (SOFC), Ca batteries, thermochemical energy storages (TCES) and ambient temperature magnetic refrigerators (MR).

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A study of calcium ion intercalation in perovskite calcium manganese oxide

Cited by 15 publications

References 45 publications

The Promise of Calcium Batteries: Open Perspectives and Fair Comparisons

The Promise of Calcium Batteries: Open Perspectives and Fair Comparisons

Gel Polymer Electrolytes Based on Cross-Linked Poly(ethylene glycol) Diacrylate for Calcium-Ion Conduction

Perovskite Oxides for Energy Applications

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