Nano-Graphene-Based Compound Fertilizer for Seed Germination and Seedling Cultivation to Overcome Extreme Weather Conditions and Method for manufacturing the same

A nanographene-based hydrogel composite addresses the limitations of existing fertilizers by utilizing graphene's transport capacity to enhance nutrient delivery and immune functions, improving germination and seedling survival under adverse weather.

KR102992544B1Active Publication Date: 2026-07-21NGF KOREA CO LTD
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Patent Information

Application Number
KR1020250181379
Authority / Receiving Office
KR · KR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2025-11-25
Publication Date
2026-07-21
Estimated Expiration
2045-11-25

AI Technical Summary

Technical Problem

Existing fertilizers fail to effectively utilize the transport capacity of graphene to facilitate smooth nutrient transport and enhance natural immune functions in plants, leading to deficiencies and environmental degradation, particularly under abnormal climate conditions.

Method used

A nanographene-based hydrogel composite is manufactured by stabilizing graphene with glycerin and citric acid, followed by sequential or simultaneous addition of polyphenol, humic and fulvic acid-K, silk peptide, and K-PASP solutions, forming a multilayer nanocomposite that enhances nutrient transport and immune function.

Benefits of technology

The composite promotes smooth nutrient transport, increases antioxidant enzyme activity, and enhances resistance to environmental stress, resulting in higher germination and seedling survival rates under abnormal conditions.

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Abstract

The present invention relates to a method for manufacturing a nanographene-based composite, comprising the steps of: preparing a graphene dispersion in a reaction vessel; adding a polyphenol to the reaction vessel; adding a potassium solution to the reaction vessel; adding an amino acid solution to the reaction vessel; and adding a K-PASP solution to the reaction vessel.
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Citation Information

Patent Citations

  • Fertilizer composition

    JP2024113372A

  • Method of manufacturing fertilizer

    KR1020220131294A