Organic Anode Materials for Lithium-Ion Batteries: Recent Progress and Challenges.

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Organic electrode materials are emerging as promising alternatives for lithium-ion batteries (LIBs).
• They offer advantages such as low cost, high theoretical capacity, and environmental friendliness.
• Existing research has explored various organic compounds and functional groups for anode applications.

Purpose of the Study:

• To provide a comprehensive overview of recent advancements in organic anode materials for LIBs.
• To compare the electrochemical performance, advantages, and disadvantages of different classes of organic anodes.
• To discuss practical applications and strategies for overcoming current limitations.

Main Methods:

• Literature review of organic anode materials for LIBs.
• Categorization of organic anodes into four main classes: carbonyl compounds, COFs, MOFs, and nitrogen-containing compounds.
• Analysis of electrochemical properties, performance, and practical applications.

Main Results:

• Organic anodes exhibit diverse electrochemical properties based on their functional groups and structures.
• Key classes include organic carbonyl compounds, covalent organic frameworks (COFs), metal-organic frameworks (MOFs), and nitrogen-containing compounds.
• Performance varies, with challenges in conductivity, voltage, and electrolyte stability.

Conclusions:

• Organic anode materials present a viable and eco-friendly option for next-generation LIBs.
• Further research is needed to enhance electronic conductivity, discharge voltage, and material stability in electrolytes.
• This review guides the development of more efficient organic compounds for high-performance LIB anodes.