PROCESS FOR OBTAINING GRAPHENE SPECIES FROM ALKALINE BATTERY GRAPHITE
A scalable and environmentally friendly process extracts and purifies graphite from discarded alkaline battery rods, producing high-quality graphene species for diverse applications, overcoming the operational and environmental challenges of existing methods.
Patent Information
- Authority / Receiving Office
- BR · BR
- Patent Type
- Applications
- Current Assignee / Owner
- INST PRESBITERIANO MACKENZIE
- Filing Date
- 2025-01-08
- Publication Date
- 2026-07-14
AI Technical Summary
There is no effective process for utilizing graphite from discarded alkaline batteries as a carbon source for the synthesis of carbon allotropic nanomaterials, particularly due to the form in which the graphite is present in these batteries, leading to operational complexities and environmental contamination.
A scalable, environmentally friendly process is developed to extract and purify graphite from the rods of discarded alkaline batteries, involving manual extraction, multiple washing steps with acids and water, and subsequent drying and pulverization to produce high-quality graphite for synthesizing carbon allotropic nanomaterials.
The process achieves high-quality graphite with low impurities, suitable for synthesizing graphene species, applicable in various sectors including water treatment, biosensors, electronic devices, and industrial products, addressing the environmental contamination issue.
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