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roduct Overview

Pyrite (FeS₂) is a high-performance mineral precursor specially developed for lithium-ion and sodium-ion battery industries. It is processed through precision purification and grading, with strictly controlled chemical composition and particle size distribution. Featuring stable sulfur content (48%–51%), high iron content (Fe≥44%), ultra-low impurity content and uniform particle size, it provides reliable raw material support for the preparation of FeS₂-based cathodes, sulfide electrolytes and 6N-grade high-purity sulfur. It is widely used in new energy battery material production, with excellent compatibility and reaction activity.

Application Data & Strict Specifications

Item	Specification & Application Parameter
Main Usage	Precursor for lithium-ion/sodium-ion battery cathode; Preparation of FeS₂-based cathode, sulfide electrolyte, 6N-grade high-purity sulfur
Sulfur Content (S)	48%–51% (strictly stable, no fluctuation)
Iron Content (Fe)	≥44%
Particle Size	-150 mesh (≤100μm); -325 mesh (≤45μm); D50=10–20 μm
Impurity Control (Strictly Limited)	SiO₂≤2.0%, Pb≤0.10%, Zn≤0.1%, As≤0.1%, C≤0.3%, Cu≤0.2%
Reaction Activity	High activity, suitable for battery material synthesis reaction
Supply Form	Ultra-fine powder, vacuum-sealed packaging (to avoid oxidation)

Core Advantages

Strictly Stable Composition: Sulfur content 48%–51% and Fe≥44%, ensuring consistent performance of battery cathode materials.
Ultra-Low Impurity: Strictly controlled impurities (SiO₂, Pb, Zn, etc.), meeting battery-grade material standards and avoiding adverse effects on battery performance.
Controllable Particle Size: Dual particle size options (-150 mesh, -325 mesh) and D50=10–20 μm, ensuring uniform dispersion and reaction efficiency.
Multifunctional Application: Suitable for FeS₂-based cathode, sulfide electrolyte and 6N-grade high-purity sulfur preparation, one material for multiple uses.
Battery-Grade Compatibility: High reaction activity, perfectly adapting to new energy battery material synthesis processes, improving battery cycle life and energy density.

Application Scenarios

Widely used in new energy battery material production, including but not limited to:

Preparation of FeS₂-based positive electrodes for lithium-ion and sodium-ion batteries
Synthesis of sulfide electrolytes for high-performance batteries
Production of 6N-grade high-purity sulfur for battery materials
Raw material for new energy battery material R&D and mass production

FAQ

Q1: What is the main application of pyrite as a battery precursor? A1: It is mainly used as a precursor for lithium-ion and sodium-ion battery cathodes, and can also be used to prepare FeS₂-based cathodes, sulfide electrolytes and 6N-grade high-purity sulfur.

Q2: Why is the sulfur content strictly controlled at 48%–51%? A2: Stable sulfur content ensures the consistency of battery cathode material performance, avoiding fluctuations in energy density and cycle life of finished batteries.

Q3: What is the significance of strict impurity control? A3: Ultra-low impurities (SiO₂, Pb, etc.) prevent adverse reactions in the battery, avoid internal short circuits and performance degradation, meeting battery-grade material standards.

📦 Packaging & Storage

Packaging: 20kg composite paper bags (with moisture-proof lining) for small batches, 1000kg bulk bags (with pallets) for large orders, both designed to prevent moisture and leakage during transportation.
Storage: Keep in a dry and ventilated warehouse, avoid direct sunlight and rain. Do not store with strong acids or oxidants. The shelf life is 18 months when unopened; after opening, seal the remaining product promptly.

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