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Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

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Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a substance yields ions in solution, that is, if the compound undergoes 100% dissociation, then the substance is a strong electrolyte. Complete dissociation is indicated by a single forward arrow. For example, water-soluble ionic compounds like sodium chloride dissociate into sodium cations and chloride anions in aqueous solution.
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Electrolytes: van't Hoff Factor03:08

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Colligative Properties of Electrolytes
The colligative properties of a solution depend only on the number, not on the identity, of solute species dissolved. The concentration terms in the equations for various colligative properties (freezing point depression, boiling point elevation, osmotic pressure) pertain to all solute species present in the solution. Nonelectrolytes dissolve physically without dissociation or any other accompanying process. Each molecule that dissolves yields one...
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Introduction to Electrolytes01:33

Introduction to Electrolytes

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In humans, electrolytes play a vital role in various physiological processes. Balancing electrolyte levels is essential for normal body functions; their imbalance can be life-threatening. The major electrolytes include sodium, potassium, chloride, calcium, phosphate, and bicarbonate. They are primarily involved in physiological processes, such as nerve signal transmission, membrane trafficking, muscle contraction, buffering body fluids, and balancing water levels in the body.
Role of Sodium
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Sustainable Development01:43

Sustainable Development

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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Roles of Electrolytes: Sodium and Potassium01:24

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Sodium plays a crucial role in maintaining fluid and electrolyte balance and overall bodily homeostasis. Sodium balance is primarily regulated by kidney function, which adjusts sodium elimination to match dietary intake and maintain proper electrolyte levels. Sodium is the most abundant cation in the extracellular fluid (ECF) and is found in salts such as sodium chloride (NaCl) and sodium bicarbonate (NaHCO3). Although cellular plasma membranes are relatively impermeable to sodium, its role in...
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Roles of Electrolytes: Calcium and Phosphate01:27

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Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
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Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells
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Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells

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Progress on Electrolytes Development in Dye-Sensitized Solar Cells.

Haider Iftikhar1, Gabriela Gava Sonai2, Syed Ghufran Hashmi3

  • 1New Energy Technologies Group, Department of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Espoo, Finland. haider.iftikhar@aalto.fi.

Materials (Basel, Switzerland)
|June 26, 2019
PubMed
Summary
This summary is machine-generated.

Electrolyte development for dye-sensitized solar cells (DSSCs) addresses performance and stability trade-offs. This review covers novel electrolytes enhancing DSSC efficiency and longevity for scalable solar technology.

Keywords:
charge transfercobalt redox shuttles and iodine electrolytescopper redox shuttlesdye-sensitized solar cellselectrolyteshole-transporting materialsprinting

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Area of Science:

  • Materials Science
  • Renewable Energy
  • Electrochemistry

Background:

  • Dye-sensitized solar cells (DSSCs) have been researched for over 20 years.
  • Electrolyte formulation is a key challenge impacting DSSC commercialization due to performance and stability trade-offs.
  • Corrosive electrolytes hinder industrial production, particularly with low-cost metallic electrodes.

Purpose of the Study:

  • To comprehensively review advancements in dye-sensitized solar cell electrolytes.
  • To focus on electrolytes that improve photovoltaic performance and long-term device stability.
  • To critically assess the role of electrolytes in various DSSC designs.

Main Methods:

  • Review of existing literature on DSSC electrolytes.
  • Analysis of recent electrolyte material developments.
  • Assessment of electrolyte impact on different DSSC configurations.

Main Results:

  • Numerous electrolyte formulations have been developed to overcome DSSC limitations.
  • Recent electrolyte materials show promise for enhanced photovoltaic efficiency and stability.
  • The choice of electrolyte significantly influences DSSC performance and durability.

Conclusions:

  • Electrolyte research is crucial for advancing DSSC technology.
  • Novel electrolytes offer pathways to low-cost, scalable solar cells.
  • Understanding electrolyte advantages and limitations is key for future DSSC development.