Porous carbon body for fuel cell catalyst support

By surface-treating carbon with poly(4-vinyl pyridine) in dimethylformamide, a nitrogen-doped porous carbon body with controlled properties is achieved, addressing synthesis complexities and enhancing fuel cell catalyst durability and activity.

WO2025206744A1 Publication Date: 2025-10-02THE CARBON STUDIO INC
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Patent Information

Application Number
PCT/KR2025/003876
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-03-26
Filing Date
2025-03-26
Publication Date
2025-10-02

AI Technical Summary

Technical Problem

Existing methods for synthesizing nitrogen-doped porous carbon materials for fuel cell catalyst supports are complex, costly, and prone to contamination, limiting their commercialization and catalyst durability.

Method used

A method involving surface-treatment of a carbon matrix with poly(4-vinyl pyridine) in dimethylformamide to control nitrogen doping, achieving a nitrogen-doped porous carbon body with a positive zeta potential, optimized nitrogen and oxygen content, and controlled pore structure for improved catalyst support.

Benefits of technology

Enhances catalyst durability and activity by suppressing catalyst deterioration and ensuring uniform nitrogen doping, thereby improving the performance of fuel cell catalysts.

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Abstract

A porous carbon body according to one disclosure is a porous carbon body for a fuel cell catalyst support to support a catalyst material of a fuel cell. Specifically, the porous carbon body contains 0.50 to 5.00 at% of nitrogen and has a zeta potential of at least 0 mV.
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