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Related Concept Videos

Electrolysis03:00

Electrolysis

26.2K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
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Titration of Polyprotic Base with a Strong Acid01:18

Titration of Polyprotic Base with a Strong Acid

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The titration of a polyprotic base such as sodium carbonate with a strong acid such as hydrochloric acid results in two equivalence points on the titration curve. At the first equivalence point, the carbonate ions in the base are completely converted to bicarbonate ions. The second equivalence point corresponds to the complete conversion of bicarbonate ions to carbonic acid, which dissociates into carbon dioxide and water. The region before the first equivalence point corresponds to the...
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Alkylation of β-Diester Enolates: Malonic Ester Synthesis01:14

Alkylation of β-Diester Enolates: Malonic Ester Synthesis

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Malonic ester synthesis is a method to obtain α substituted carboxylic acids from ꞵ-diesters such as diethyl malonate and alkyl halides.
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Electrodeposition01:08

Electrodeposition

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Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
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Factors Affecting Solubility04:01

Factors Affecting Solubility

33.3K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
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Loss of Carboxy Group as CO2: Decarboxylation of Malonic Acid Derivatives01:35

Loss of Carboxy Group as CO2: Decarboxylation of Malonic Acid Derivatives

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Just like β-keto acids—which upon thermal decarboxylation form ketones—β-dicarboxylic acids undergo decarboxylation to generate monocarboxylic acids with the liberation of carbon dioxide.
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Updated: Jun 12, 2025

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
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A new electrolyte for molten carbonate decarbonization.

Gad Licht1, Kyle Hofstetter2, Xirui Wang2

  • 1C2CNT LLC, A4 188 Triple Diamond Blvd, Venice, FL, 34275, USA.

Communications Chemistry
|September 17, 2024
PubMed
Summary
This summary is machine-generated.

A novel strontium carbonate (SrCO3) process efficiently converts carbon dioxide (CO2) into valuable graphene nanocarbons (GNCs) at low temperatures. This sustainable method offers a cost-effective alternative for carbon removal and GNC production.

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Area of Science:

  • Materials Science
  • Environmental Chemistry
  • Electrochemistry

Background:

  • Molten lithium carbonate (Li2CO3) facilitates CO2 conversion to oxygen and graphene nanocarbons (GNCs), aiding climate change mitigation.
  • High Li2CO3 cost and its demand for EV batteries limit its widespread use in carbon removal.
  • Alternative carbonates often yield impure GNCs or require excessive energy.

Purpose of the Study:

  • Investigate a new decarbonization chemistry using strontium carbonate (SrCO3) as a primary component.
  • Evaluate SrCO3's potential as a cost-effective and abundant alternative to Li2CO3 for CO2 conversion.
  • Determine the feasibility of producing high-purity GNCs at lower temperatures (<800°C).

Main Methods:

  • Explored CO2 transformation in SrCO3-based electrolytes with varying Li2CO3 concentrations (≤30%).
  • Assessed the CO2 absorption/release affinities of SrCO3 compared to Li2CO3.
  • Investigated the solubility of SrCO3 in Li2CO3 at temperatures below 800°C.

Main Results:

  • SrCO3 exhibits comparable CO2 absorption/release affinities to Li2CO3, unlike other alkali/alkaline earth carbonates.
  • High-purity carbon nanotubes (CNTs) were synthesized from CO2 using SrCO3-based electrolytes at <800°C.
  • SrCO3 demonstrates significant solubility in Li2CO3 below 800°C, enabling low-energy electrolysis.

Conclusions:

  • SrCO3 is a viable, cost-effective alternative to Li2CO3 for CO2 conversion into GNCs.
  • The developed process offers a sustainable pathway for carbon removal with valuable product incentives.
  • This chemistry enables efficient GNC synthesis at temperatures below 800°C, reducing energy demands.