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Related Concept Videos

Electrolysis03:00

Electrolysis

28.0K
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...
28.0K
Electrodeposition01:08

Electrodeposition

790
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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Acid Halides to Alcohols: LiAlH4 Reduction01:19

Acid Halides to Alcohols: LiAlH4 Reduction

3.2K
Acid halides are reduced to alcohols in the presence of a strong reducing agent like lithium aluminum hydride.
The mechanism proceeds in three steps. First, the nucleophilic hydride ion attacks the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs as a leaving group, generating an aldehyde. A second nucleophilic attack by the hydride yields an alkoxide ion, which, upon protonation, gives a primary alcohol as...
3.2K
Voltaic/Galvanic Cells02:47

Voltaic/Galvanic Cells

59.4K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
59.4K
Formation of Complex Ions03:45

Formation of Complex Ions

24.5K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
24.5K
Alcohols from Carbonyl Compounds: Reduction02:23

Alcohols from Carbonyl Compounds: Reduction

11.2K
Reduction is a simple strategy to convert a carbonyl group to a hydroxyl group. The three major pathways to reduce carbonyls to alcohols are catalytic hydrogenation, hydride reduction, and borane reduction.
Catalytic hydrogenation is similar to the reduction of an alkene or alkyne by adding H2 across the pi bond in the presence of transition metal catalysts like Raney Ni, Pd–C, Pt, or Ru. Aldehydes and ketones can be reduced by this method, often under mild to moderate heat (25–100°C) and...
11.2K

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Updated: Oct 19, 2025

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

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Electroreduction of CO2 in Ionic Liquid-Based Electrolytes.

Dexin Yang1,2, Qinggong Zhu2,3, Buxing Han2,3

  • 1College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.

Innovation (Cambridge (Mass.))
|September 24, 2021
PubMed
Summary
This summary is machine-generated.

Ionic liquids enhance electroreduction of carbon dioxide (CO2) to fuels. This review covers catalysts, electrolyte effects, and mechanisms for sustainable energy conversion using CO2.

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Rapid in-silico Battery Electrolyte Electrochemical Reaction Generation using 3T-VASP Multi-Scale Energy Minimization

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Area of Science:

  • Sustainable energy conversion and storage.
  • Electrocatalysis and electrochemistry.

Background:

  • Electroreduction of carbon dioxide (CO2) offers a sustainable route to valuable chemicals and fuels.
  • Electrolytes play a crucial role in optimizing CO2 electroreduction performance.
  • Ionic liquids are emerging as promising electrolytes due to their unique properties.

Purpose of the Study:

  • To provide a comprehensive overview of recent advancements in CO2 electroreduction using ionic liquid-based electrolytes.
  • To analyze the performance of various catalysts in ionic liquid electrolytes.
  • To explore the influence of the electrolyte on reaction mechanisms and outcomes.

Main Methods:

  • Review of recent scientific literature on CO2 electroreduction in ionic liquids.
  • Analysis of catalyst performance data and electrolyte effects.
  • Discussion of mechanistic studies elucidating reaction pathways.

Main Results:

  • Ionic liquids demonstrate high CO2 adsorption capacity, selectivity, and low energy consumption for electroreduction.
  • Significant progress has been made in designing effective catalysts for this process.
  • Understanding the interplay between catalysts and ionic liquid electrolytes is key to improving efficiency.

Conclusions:

  • Ionic liquid-based electrolytes are highly effective for sustainable CO2 electroreduction.
  • Further research into catalyst-electrolyte synergy and reaction mechanisms will drive innovation in electrochemical systems.
  • This field holds significant promise for developing novel energy conversion and storage solutions.