Electrolyte Magnesium Salt Mg[B(HFIP)₄]₂ Magnesium Fluoroalkoxyborate Research-Grade Electrolyte Salt
Product Overview
Electrolyte salt Mg[B(HFIP)4]2 is mainly used in organic magnesium-metal batteries and can be dissolved in various solvents as electrolytes.
Product Introduction
The electrolyte salt Mg[B(HFIP)₄]₂ is mainly used in organic magnesium metal batteries. It is soluble in various eth-based solvents and can be used as an electrolyte. Among its key features, the large boron-centered anion exhibits high oxidative stability, weak coordination ability, and good compatibility with magnesium metal anodes—these properties enable the electrolyte to deliver high oxidation resistance voltage, high ionic conductivity, and high Coulombic efficiency.
Mg[B(HFIP)₄]₂ is commonly applied in the magnesium battery industry. Its high conductivity outperforms that of Mg(TFSI)₂ and Mg(CF₃SO₃)₂, while eliminating concerns about stability and safety. When used as a magnesium salt in the electrolyte of primary magnesium metal batteries, it can effectively enhance the electrolyte’s high operating voltage and cycle performance.
Solubility
The solubility of Mg[B(HFIP)₄]₂ in various solvents at room temperature (25°C). Its excellent solubility in solvents can improve the electrical conductivity and viscosity of the electrolyte.
| Solvent | Solubility (wt%) |
| Dimethoxyethane (DME) | 69 |
| Diethylene Glycol Dimethyl Et (G2) | 64 |
| Triethylene Glycol Dimethyl Et (G3) | 62 |
| Tetrahydrofuran (THF) | 43 |
| Acetonitrile (AN) | 55 |
| Propylene Carbonate (PC) | 40 |
Stability
1)Mass spectrometry anions of 0.3M Mg[B(HFIP)₄]₂/DME electrolyte. For the ESI-MS (Electrospray Ionization Mass Spectrometry) of the anion structure in 0.3M Mg[B(HFIP)₄]₂/DME electrolyte, the intense peak at m/z: 678.9793 indicates that the anion structure of the product is [B(OC(H)(CF₃)₂)₄]⁻.
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2) Coulombic Efficiency of 0.3 M Mg[B(HFIP)₄]₂/DNE Electrolyte,When the electrolyte operates at 0.50 mA/cm² and 0.25 mAh/cm² for more than 200 cycles, it achieves an average coulombic efficiency of 98%.
3) Long-Cycle Performance of 0.3M Mg[B(HFIP)₄]₂/DJIE Electrolyte in Symmetric Cells,The electrolyte operates stably for 350 hours under the conditions of 0.1 mA/cm² (current density) and 0.1 mAh/cm² (areal capacity).
Why Choose Us?
- Advanced R&D Capability: We have a professional R&D team with 15+ years of experience in battery materials, focusing on continuous innovation and performance optimization.
- Large-Scale Production: Annual production capacity,ensuring stable supply and on-time delivery for bulk orders.
- Strict Quality Control: Each batch undergoes rigorous testing (XRD, SEM, electrochemical performance test) to ensure consistent quality.
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