Battery / Energy Storage Chemicals
50 products
Battery / Energy Storage Chemicals
Electrolyte additives, binders & separators for lithium-ion batteries
50 products
50 products
battery energy storage chemicals
1,3-Propane Sultone (1,3-PS) SEI Additive
CAS: 1120-71-4
1,3-Propane sultone (1,3-PS) is a ring-opening electrolyte additive that undergoes reductive decomposition on anodes to deposit a robust sulfonate-rich SEI, increasing cycle life and improving thermal stability of lithium-ion cells. Used at 1–3 wt%, it is compatible with major carbonate solvents and LiPF6 electrolytes.
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Acetylene Black Battery Grade (Shawinigan-Type)
CAS: 1333-86-4
Battery-grade acetylene black (AB) has a highly crystalline graphitic microstructure and high purity (>99.5% carbon) with very low ash and sulfur content, making it ideal for demanding battery electrode applications. Its good electrical conductivity and moderate surface area balance performance with slurry processability.
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Adiponitrile (ADN) High-Voltage Electrolyte Additive
CAS: 111-69-3
Adiponitrile (ADN) is a dinitrile electrolyte additive that stabilizes high-voltage cathodes (>4.5V) by coordinating with transition metal sites on NMC surfaces, forming a robust CEI that suppresses electrolyte oxidation. It is effective in next-generation 5V-class spinel and lithium-rich layered oxide systems.
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Alumina (Al2O3) Ceramic Separator Coating Powder
CAS: 1344-28-1
Battery-grade submicron alumina (Al2O3) powder is the most widely used ceramic coating material for lithium-ion battery separators, providing thermal shutdown resistance up to 200°C+, improved wettability with carbonate electrolytes, and enhanced mechanical puncture resistance. Alpha-alumina or boehmite-derived gamma-alumina grades are available.
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Boehmite (AlOOH) Separator Coating Powder
CAS: 1318-23-6
Boehmite (AlOOH) is a preferred ceramic material for aqueous-slurry separator coating processes, offering lower density than alpha-alumina, better dispersibility in water-based systems, and excellent adhesion on both PE and PP separator substrates. Upon heating it converts to gamma-alumina, providing thermal robustness required for battery safety.
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Carboxymethyl Cellulose (CMC) Anode Binder/Thickener
CAS: 9004-32-4
Battery-grade CMC sodium salt is used in combination with SBR as a thickener and binder for graphite and silicon-graphite anode aqueous slurries. It controls slurry rheology for uniform coating, and its carboxylate groups bond covalently to silicon particles during drying, helping to buffer volumetric expansion.
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Cobalt Sulfate Heptahydrate Battery Grade (CoSO4·7H2O)
CAS: 10124-43-3
Battery-grade cobalt sulfate heptahydrate (CoSO4·7H2O) is the primary cobalt source for NMC and NCA cathode precursor co-precipitation and for LiCoO2 (LCO) synthesis. Strict control of Ni, Fe, Zn, and Na trace impurities is required to prevent electrochemical performance degradation in the final cathode active material.
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Conductive Carbon Black Super C45 Battery Grade
CAS: 1333-86-4
Super C45 carbon black is a medium-surface-area (BET ~45 m²/g) conductive additive offering a balance of conductivity and electrolyte absorption in cathode slurries. Its lower oil absorption versus C65 reduces slurry viscosity, making it preferred for high-solid-loading electrode formulations and high-speed coating lines.
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Conductive Carbon Black Super C65 Battery Grade
CAS: 1333-86-4
Super C65 carbon black is a high-surface-area (BET ~62 m²/g), high-structure conductive additive widely used in NMC, NCA, LCO, and LFP cathode electrodes. Its branched particle network creates efficient electron conduction pathways at low loadings (1–3 wt%), improving rate capability and reducing ohmic resistance in lithium-ion battery electrodes.
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Diethyl Carbonate Battery Grade (DEC)
CAS: 105-58-8
Battery-grade diethyl carbonate (DEC) is a low-viscosity co-solvent used in EC/DEC electrolyte systems for standard cylindrical and prismatic lithium-ion cells. Its moderate boiling point (127°C) and low viscosity provide a balance of safety and ionic conductivity in commercial electrolyte blends.
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Dimethyl Carbonate Battery Grade (DMC)
CAS: 616-38-6
Battery-grade dimethyl carbonate (DMC) is a low-viscosity, low-boiling co-solvent that reduces electrolyte viscosity and improves ionic mobility in lithium-ion cells. Used widely in EC/DMC binary and EC/DMC/EMC ternary electrolyte systems, it provides excellent compatibility with LiPF6 at battery-grade purity.
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Ethyl Methyl Carbonate Battery Grade (EMC)
CAS: 623-53-0
Battery-grade ethyl methyl carbonate (EMC) combines the low viscosity of DMC and the moderate boiling point of DEC, making it the preferred co-solvent in EC/EMC and EC/DMC/EMC electrolyte systems for automotive and consumer Li-ion batteries. Its balanced properties support both high-rate and wide-temperature performance.
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Ethylene Carbonate Battery Grade (EC)
CAS: 96-49-1
Battery-grade ethylene carbonate (EC) is a high-boiling, high-dielectric co-solvent essential for dissolving LiPF6 and forming stable SEI layers on graphite anodes. Its superior solvation power and solid SEI-forming capability make it a foundational component in commercial lithium-ion electrolyte formulations.
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Fluoroethylene Carbonate (FEC) SEI Additive
CAS: 114435-02-8
Fluoroethylene carbonate (FEC) is a high-performance film-forming electrolyte additive that dramatically improves cycle life and Coulombic efficiency of silicon and silicon-oxide anodes by forming a stable, fluorine-rich SEI layer. It is also widely used in lithium metal and NMC high-voltage electrolyte formulations.
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Graphene Nanoplatelet (GNP) Battery Conductive Additive
CAS: 7782-42-5
Battery-grade graphene nanoplatelets (GNPs) are few-layer graphene structures offering a combination of 2D electron conduction, high in-plane conductivity, and mechanical reinforcement for battery electrodes. Used at 0.1–2 wt%, GNPs improve both the electronic and ionic transport within thick battery electrodes while reducing electrode sheet resistance.
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Iron Phosphate (FePO4) LFP Cathode Precursor
CAS: 7758-87-4
Battery-grade iron phosphate (FePO4) is the key precursor for LiFePO4 cathode synthesis, produced by co-precipitation of ferrous or ferric ions with phosphoric acid under controlled conditions. Ultra-low impurity levels, controlled particle size, and morphology directly determine the electrochemical performance of the final LFP cathode material.
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Ketjenblack EC-300J High-Structure Carbon Black
CAS: 1333-86-4
Ketjenblack EC-300J is an ultra-high-structure, hollow-shell carbon black with a very high BET surface area (~800 m²/g) and exceptional DBP absorption, enabling extremely low percolation thresholds in battery electrodes. It is used at ultra-low loadings (0.1–0.5 wt%) to achieve high conductivity with minimum binder displacement.
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Lithium Bis(fluorosulfonyl)imide (LiFSI)
CAS: 171611-11-3
LiFSI is a next-generation electrolyte salt offering superior thermal stability, lower viscosity, and higher ionic conductivity compared to LiPF6, making it ideal for fast-charging and wide-temperature-range battery applications. Its hydrolysis resistance reduces HF generation, extending cell lifetime significantly.
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Lithium Bis(trifluoromethanesulfonyl)imide (LiTFSI)
CAS: 90076-65-6
LiTFSI is a thermally and chemically stable lithium salt widely used in solid-state electrolytes, gel polymer batteries, and lithium-sulfur systems. Its large, delocalized anion provides excellent ionic conductivity across a wide temperature range and superior resistance to moisture-induced degradation.
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Lithium Carbonate Battery Grade
CAS: 554-13-2
Battery-grade lithium carbonate (Li2CO3) with purity ≥99.5% is a key precursor for synthesizing cathode active materials such as LCO, NMC, and LFP. Produced via controlled crystallization to achieve ultra-low impurity levels required by cell manufacturers. Suitable for both ternary and lithium iron phosphate battery production lines.
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Lithium Cobalt Oxide (LCO) Cathode Material LiCoO2
CAS: 12190-79-3
Lithium cobalt oxide (LCO) is the original commercial cathode material, still dominant in consumer electronics (smartphones, laptops, tablets) due to its high volumetric energy density and flat discharge voltage. High-voltage LCO grades (4.45–4.50V) with surface coating deliver up to 180 mAh/g and extend cycle life.
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Lithium Difluorophosphate (LiDFP) Electrolyte Additive
CAS: 24389-25-1
Lithium difluorophosphate (LiDFP) is a multifunctional electrolyte additive that simultaneously improves both anode SEI quality and cathode surface stability, reducing impedance growth and extending calendar life. It is particularly effective in high-nickel NMC811 and silicon-containing cells at 0.5–2 wt% addition levels.
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Lithium Hexafluorophosphate (LiPF6) Electrolyte Salt
CAS: 21324-40-3
Lithium hexafluorophosphate (LiPF6) is the dominant electrolyte salt for commercial lithium-ion batteries, delivering high ionic conductivity and broad electrochemical stability window. Supplied as anhydrous crystalline powder with strict HF and moisture control to protect cell performance and safety.
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Lithium Hydroxide Monohydrate Battery Grade
CAS: 1310-66-3
Battery-grade lithium hydroxide monohydrate (LiOH·H2O, purity ≥56.5% LiOH) is the preferred lithium source for high-nickel NMC and NCA cathode synthesis, offering superior performance versus lithium carbonate at high Ni content. Strict control of Na, Fe, Ca, and Mg impurities ensures long-term cycle stability in EV battery packs.
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