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Batteries and Fuel Cells

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...

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Exploring Recent Developments in Graphene-Based Cathode Materials for Fuel Cell Applications: A Comprehensive

Somya Samantaray¹, Debabrata Mohanty^2,3, Santosh Kumar Satpathy¹

¹Department of Physics, School of Applied Sciences, Centurion University of Technology and Management, Bhubaneswar 752050, India.

Molecules (Basel, Switzerland)

|June 27, 2024

Summary

Graphene materials significantly enhance fuel cell performance due to their conductivity and surface area. This review details advancements in graphene-based cathodes for fuel cells, focusing on efficiency and durability.

Keywords:

SOFC chemical stability fuel cells graphene triple conductivity

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Published on: November 5, 2015

Area of Science:

Materials Science
Electrochemistry
Energy Conversion

Background:

Fuel cells are critical for advanced energy solutions.
Graphene and its derivatives offer unique properties for fuel cell applications.
Graphene's large surface area, conductivity, and strength are advantageous for cathodes.

Purpose of the Study:

To review recent advancements in graphene-based cathode materials for fuel cells.
To explore various forms of graphene, including graphene oxide (GO) and reduced graphene oxide (rGO).
To analyze the impact of structural modifications and doping on cathode performance.

Main Methods:

Literature review of graphene-based fuel cell cathode research.
Analysis of graphene oxide (GO), reduced graphene oxide (rGO), and doped graphene.
Examination of structural modifications and functional group integration effects.

Main Results:

Graphene derivatives show promise in enhancing fuel cell efficiency and durability.
Doping and structural modifications improve electrochemical properties.
Thermal stability of graphene in high-temperature Solid Oxide Fuel Cells (SOFCs) presents challenges.

Conclusions:

Graphene-based materials have transformative potential for fuel cell technology.
Further research is needed to address thermal stability and optimize performance.
Advancements aim for more efficient, cost-effective, and durable energy systems.