Electrodeposited Cobalt–Copper mixed oxides for supercapacitor electrodes and investigation of the Co/Cu ratio on the electrochemical performance

Noormohammadi, E.; Sanjabi, S.; Soavi, Francesca; Poli, Federico

doi:10.1007/s40243-023-00229-4

Cited by 5 publications

(3 citation statements)

References 43 publications

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“…On the other hand, the redox peaks A2 and C2 are related to the oxidation and reduction of cobalt, respectively. 37,38 These redox peaks confirm the presence of copper and cobalt species in the prepared electrode, which supports the Pourbaix diagram depicted in Fig. 2b.…”

Section: Resultssupporting

confidence: 81%

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO₂ reduction

da Cruz,

e Silva,

da Silva

et al. 2024

Sustainable Energy Fuels

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Section: Resultssupporting

confidence: 81%

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO₂ reduction

da Cruz,

e Silva,

da Silva

et al. 2024

Sustainable Energy Fuels

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“…30 s under the experimental conditions of reference [83]. An investigation of the phase diagrams of binary catalysts as a function of temperature with or without SiO 2 support indicates the presence of stable phases within a small compositional range [262][263][264][265][266][267][268][269]. Such phases can form readily by multivalent cation substitution in multicomponent systems.…”

Section: Introductionmentioning

confidence: 96%

Hydrogen, Ammonia and Symbiotic/Smart Fertilizer Production Using Renewable Feedstock and CO2 Utilization through Catalytic Processes and Nonthermal Plasma with Novel Catalysts and In Situ Reactive Separation: A Roadmap for Sustainable and Innovation-Based Technology

Akay

2023

Catalysts

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This multi-disciplinary paper aims to provide a roadmap for the development of an integrated, process-intensified technology for the production of H2, NH3 and NH3-based symbiotic/smart fertilizers (referred to as target products) from renewable feedstock with CO2 sequestration and utilization while addressing environmental issues relating to the emerging Food, Energy and Water shortages as a result of global warming. The paper also discloses several novel processes, reactors and catalysts. In addition to the process intensification character of the processes used and reactors designed in this study, they also deliver novel or superior products so as to lower both capital and processing costs. The critical elements of the proposed technology in the sustainable production of the target products are examined under three-sections: (1) Materials: They include natural or synthetic porous water absorbents for NH3 sequestration and symbiotic and smart fertilizers (S-fertilizers), synthesis of plasma interactive supported catalysts including supported piezoelectric catalysts, supported high-entropy catalysts, plasma generating-chemical looping and natural catalysts and catalysts based on quantum effects in plasma. Their performance in NH3 synthesis and CO2 conversion to CO as well as the direct conversion of syngas to NH3 and NH3—fertilizers are evaluated, and their mechanisms investigated. The plasma-generating chemical-looping catalysts (Catalysts, 2020, 10, 152; and 2016, 6, 80) were further modified to obtain a highly active piezoelectric catalyst with high levels of chemical and morphological heterogeneity. In particular, the mechanism of structure formation in the catalysts BaTi1−rMrO3−x−y{#}xNz and M3O4−x−y{#}xNz/Si = X was studied. Here, z = 2y/3, {#} represents an oxygen vacancy and M is a transition metal catalyst. (2) Intensified processes: They include, multi-oxidant (air, oxygen, CO2 and water) fueled catalytic biomass/waste gasification for the generation of hydrogen-enriched syngas (H2, CO, CO2, CH4, N2); plasma enhanced syngas cleaning with ca. 99% tar removal; direct syngas-to-NH3 based fertilizer conversion using catalytic plasma with CO2 sequestration and microwave energized packed bed flow reactors with in situ reactive separation; CO2 conversion to CO with BaTiO3−x{#}x or biochar to achieve in situ O2 sequestration leading to higher CO2 conversion, biochar upgrading for agricultural applications; NH3 sequestration with CO2 and urea synthesis. (3) Reactors: Several patented process-intensified novel reactors were described and utilized. They are all based on the Multi-Reaction Zone Reactor (M-RZR) concept and include, a multi-oxidant gasifier, syngas cleaning reactor, NH3 and fertilizer production reactors with in situ NH3 sequestration with mineral acids or CO2. The approach adopted for the design of the critical reactors is to use the critical materials (including natural catalysts and soil additives) in order to enhance intensified H2 and NH3 production. Ultimately, they become an essential part of the S-fertilizer system, providing efficient fertilizer use and enhanced crop yield, especially under water and nutrient stress. These critical processes and reactors are based on a process intensification philosophy where critical materials are utilized in the acceleration of the reactions including NH3 production and carbon dioxide reduction. When compared with the current NH3 production technology (Haber–Bosch process), the proposed technology achieves higher ammonia conversion at much lower temperatures and atmospheric pressure while eliminating the costly NH3 separation process through in situ reactive separation, which results in the production of S-fertilizers or H2 or urea precursor (ammonium carbamate). As such, the cost of NH3-based S-fertilizers can become competitive with small-scale distributed production platforms compared with the Haber–Bosch fertilizers.

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“…Thermodynamic modeling of phase equilibria and chemical reactions in multicomponent systems is an indispensable part of the development of advanced materials and processes. Oxide-based materials have many applications, such as glass, 1 ceramics, 2,3 reinforcements in metallic matrix composites, 4 thin films and coatings, 5,6 materials for magnetic recording, 7 fuel cells, 8,9 hightemperature superconductors, 10,11 health, 12,13 cement, 14,15 energy storage, 16,17 water decontamination, 18,19 and process metallurgy. 20,21 Despite the large volume of data available, there are numerous important oxide compounds with unknown thermodynamic properties.…”

Section: Introductionmentioning

confidence: 99%

Review and perspective on polyhedron model for estimating thermodynamic properties of oxides

2023

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Knowledge of thermodynamics and phase equilibria of oxidic materials is crucial for advancement in the field of ceramics and glass. With the development of computational thermodynamics, predicting phase diagrams and chemical reactions of multicomponent systems has become possible. However, there are still plenty of oxides, the thermodynamic properties of which have not been identified due to the challenges in conducting experiments. Therefore, a key to the advancement in thermodynamic modeling would be to develop a universal model that can be used to estimate the thermodynamic properties of oxides with reliable extrapolation capacity. Atomistic (or molecular) scale models are still insufficient in predicting the thermodynamic properties of oxides at any scale. Alternatively, among group contribution–based methods, the polyhedron model has presented its potential in the estimation of the thermodynamic properties of ionic crystals. However, this model still demands improvements that increase the model's accuracy and extrapolation capacity. In this paper, the background and the state‐of‐the‐art of polyhedron model will be presented together with its strengths and shortcomings. Subsequently, it will be briefly discussed how the field of artificial intelligence could be exploited to devise the next generation of the polyhedron model, the modified polyhedron model.

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Electrodeposited Cobalt–Copper mixed oxides for supercapacitor electrodes and investigation of the Co/Cu ratio on the electrochemical performance

Cited by 5 publications

References 43 publications

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO₂ reduction

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO₂ reduction

Hydrogen, Ammonia and Symbiotic/Smart Fertilizer Production Using Renewable Feedstock and CO2 Utilization through Catalytic Processes and Nonthermal Plasma with Novel Catalysts and In Situ Reactive Separation: A Roadmap for Sustainable and Innovation-Based Technology

Review and perspective on polyhedron model for estimating thermodynamic properties of oxides

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Electrodeposited Cobalt–Copper mixed oxides for supercapacitor electrodes and investigation of the Co/Cu ratio on the electrochemical performance

Cited by 5 publications

References 43 publications

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO2 reduction

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO2 reduction

Hydrogen, Ammonia and Symbiotic/Smart Fertilizer Production Using Renewable Feedstock and CO2 Utilization through Catalytic Processes and Nonthermal Plasma with Novel Catalysts and In Situ Reactive Separation: A Roadmap for Sustainable and Innovation-Based Technology

Review and perspective on polyhedron model for estimating thermodynamic properties of oxides

Contact Info

Product

Resources

About

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO₂ reduction

Recycling spent batteries to green innovation: a CuCo-based composite as an electrocatalyst for CO₂ reduction