Lithium Hydroxide is generated by the reaction of lithium metal or LiH with H2O, and the stable chemical form at room temperature is nondeliquescent monohydrate LiOH.H2O.
Lithium Hydroxide Monohydrate is an inorganic compound with the chemical formula LiOH x H2O. It is a white crystalline material, which is moderately soluble in water and slightly soluble in ethanol. It has a high tendency to absorb carbon dioxide out of the air.
UrbanMines’ Lithium Hydroxide Monohydrate is an Electric Vehicle grade that is suitable for the highest standards of electromobility: very low impurity levels, low MMIs.
Lithium Hydroxide Properties:
CAS Number | 1310-65-2,1310-66-3(monohydrate) |
Chemical formula | LiOH |
Molar mass | 23.95 g/mol (anhydrous),41.96 g/mol (monohydrate) |
Appearance | Hygroscopic white solid |
Odor | none |
Density | 1.46 g/cm³(anhydrous),1.51 g/cm³(monohydrate) |
Melting point | 462℃(864 °F;735 K) |
Boiling point | 924℃ (1,695 °F;1,197 K)(decomposes) |
Acidity (pKa) | 14.4 |
Conjugate base | Lithium monoxide anion |
Magnetic susceptibility(x) | -12.3·10-⁶cm³/mol |
Refractive index(nD) | 1.464 (anhydrous),1.460(monohydrate) |
Dipole moment | 4.754D |
Enterprise Specification Standard of Lithium Hydroxide:
Symbol | Formula | Grade | Chemical Component | D50/um | ||||||||||
LiOH≥(%) | Foreign Mat.≤ppm | |||||||||||||
CO2 | Na | K | Fe | Ca | SO42- | Cl- | Acid insoluble matter | Water insoluble matter | Magnetic substance/ppb | |||||
UMLHI56.5 | LiOH·H2O | Industry | 56.5 | 0.5 | 0.025 | 0.025 | 0.002 | 0.025 | 0.03 | 0.03 | 0.005 | 0.01 | ||
UMLHI56.5 | LiOH·H2O | Battery | 56.5 | 0.35 | 0.003 | 0.003 | 0.0008 | 0.005 | 0.01 | 0.005 | 0.005 | 0.01 | 50 | |
UMLHI56.5 | LiOH·H2O | Monohydrate | 56.5 | 0.5 | 0.003 | 0.003 | 0.0008 | 0.005 | 0.01 | 0.005 | 0.005 | 0.01 | 50 | 4~22 |
UMLHA98.5 | LiOH | Anhydrous | 98.5 | 0.5 | 0.005 | 0.005 | 0.002 | 0.005 | 0.01 | 0.005 | 0.005 | 0.01 | 50 | 4~22 |
Package:
Weight: 25kg/bag, 250kg/ton bag, or negotiated and customized according to customer needs;
Packing material: double-layer PE inner bag, outer plastic bag/aluminum plastic inner bag, outer plastic bag;
What is Lithium Hydroxide (LiOH) used for?
Lithium Hydroxide (LiOH) is a versatile alkali metal compound pivotal to modern industries, driven by its unique electrochemical properties, high reactivity, and thermal stability. Below is a comprehensive breakdown of its key applications:
1. Synthesis of Lithium Compounds & Industrial Salts
- Lithium Salt Production:
- Core Precursor: Essential for manufacturing lithium stearate, lithium fatty acid salts, lithium soaps, and alkyd resins, which are foundational in lubricants, greases, and polymer industries.
- Specialty Chemicals: Serves as a raw material for catalysts, photographic developers, and spectral analysis reagents.
- Battery Additives:
- Enhances alkaline battery performance by stabilizing electrolytes and increasing energy output.
2. Lithium-Ion Battery Cathode Manufacturing
- High-Energy Cathode Materials:
- Primary Role: Critical for synthesizing advanced cathode materials, including:
- Lithium Cobalt Oxide (LiCoO₂): Dominates consumer electronics (e.g., smartphones, laptops).
- Lithium Iron Phosphate (LiFePO₄/LFP): Preferred for safety and longevity in energy storage systems.
- Nickel-Rich NCA/NCM (LiNiCoAlO₂, LiNiCoMnO₂): Powers electric vehicles (EVs) due to high energy density and thermal resilience.
- Advantages Over Lithium Carbonate:
- Superior Reactivity: Enables efficient synthesis of nickel-rich cathodes, improving battery capacity and cycle life.
- Lower Melting Point: Facilitates uniform electrode coating, critical for high-performance EV batteries.
- Electrolyte Optimization:
- As an additive in alkaline batteries, boosts capacity by 12–15% and extends lifespan by 2–3x through enhanced ionic conductivity.
3. High-Performance Lubricating Greases
- Lithium 12-Hydroxystearate:
- Multi-Purpose Thickener: Forms lithium greases with exceptional properties:
- Thermal Stability: Operates from -30°C to 150°C, ideal for extreme environments.
- Water Resistance: Maintains integrity in humid or submerged conditions.
- Load Tolerance: Withstands extreme pressures in heavy machinery and automotive systems.
- Automotive Dominance:
- Widely used in wheel bearings, chassis components, and engine parts for corrosion protection and longevity.
4. Carbon Dioxide (CO₂) Scrubbing Systems
- Life-Saving Absorption:
- Submarines & Spacecraft: Removes CO₂ via the reaction:
\[ 2\text{LiOH} + \text{CO}_2 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} \]
- Rebreathers: Ensures safe breathing in diving and firefighting equipment.
- Reusability: Roasted LiOH can be regenerated, reducing costs in long-term missions.
- Environmental Safety:
- Deployed in confined spaces (e.g., mines, labs) to maintain air quality and prevent CO₂ buildup.
5. Specialty Industrial & Emerging Applications
- Ceramics & Construction:
- Strengthens ceramic glazes and modifies Portland cement for improved durability and thermal resistance.
- Nuclear Energy:
- Pressurized Water Reactors (PWRs): Lithium-7-enriched LiOH controls pH in reactor coolants, minimizing corrosion and neutron absorption.
- Advanced Technologies:
- Hydrogen Storage: Explored as a medium for solid-state hydrogen storage.
- Pharmaceuticals: Intermediate in drug synthesis and pH adjustment.
Strategic Advantages of Lithium Hydroxide
- Energy Transition Catalyst:
- Enables high-performance batteries for EVs and renewable energy storage, aligning with global decarbonization goals.
- Purity & Consistency:
- Battery-grade LiOH (e.g., LiOH·H₂O) ensures reliability in critical applications.
- Cross-Industry Versatility:
- Bridges energy, manufacturing, aerospace, and environmental sectors.
Lithium Hydroxide is a linchpin of innovation, driving advancements in clean energy, industrial efficiency, and life-support technologies. Its role in powering the electric revolution and ensuring sustainable industrial growth underscores its irreplaceable value in the 21st century.
Key Differentiators:
- EV market growth fuels demand for high-purity LiOH in nickel-rich batteries.
- Superior CO₂ absorption efficiency critical for aerospace and defense.
- Adaptability to emerging tech (e.g., hydrogen economy, additive manufacturing).