battery energy storage chemicals

Lithium Iron Phosphate (LFP) Cathode Material LiFePO4

CAS: 15365-14-7

Lithium iron phosphate (LFP) is the safest, most cycle-stable commercial cathode, with a flat 3.2V plateau, no oxygen release, and thermal stability above 400°C. Carbon-coated LFP is the cathode of choice for energy storage, e-buses, grid applications, and low-cost EV platforms prioritizing cycle life (>3000 cycles) over energy density.

battery energy storage chemicals

Lithium Manganese Oxide (LMO) Spinel Cathode LiMn2O4

CAS: 1317-34-6

Lithium manganese oxide (LMO) spinel cathode material offers low cost, high thermal safety, and excellent rate capability due to its 3D lithium-ion diffusion pathways, making it suitable for hybrid EV, power tools, and blended NMC+LMO cathode formulations. Low cobalt and nickel content reduces material cost and supply chain exposure.

battery energy storage chemicals

Lithium Tetrafluoroborate (LiBF4) Electrolyte Salt

CAS: 14283-07-9

Lithium tetrafluoroborate (LiBF4) is an electrolyte salt valued for excellent low-temperature performance and stability in propylene carbonate-based systems, making it suitable for low-temperature and wide-voltage Li-ion applications. Its lower melting point versus LiPF6 facilitates dissolution in less polar solvents.

battery energy storage chemicals

Multi-Walled Carbon Nanotube (MWCNT) Conductive Additive

CAS: 308068-56-6

Battery-grade multi-walled carbon nanotubes (MWCNTs) form a 1D conductive network in battery electrodes that bridges isolated active material particles, significantly improving rate capability and cycle stability versus carbon black. Used as a single conductive agent or in combination with carbon black, typically at 0.1–1.0 wt%.

battery energy storage chemicals

NCA Cathode Material LiNi0.8Co0.15Al0.05O2

NCA cathode material LiNi0.8Co0.15Al0.05O2 delivers high specific capacity (≥190 mAh/g) with excellent rate capability and long cycle life, making it the preferred cathode for Tesla-type cylindrical cell platforms. Aluminum substitution stabilizes the layered structure versus NMC811, improving thermal stability and calendar aging performance.

battery energy storage chemicals

NMC622 Cathode Active Material Li(Ni0.6Co0.2Mn0.2)O2

NMC622 cathode material delivers an excellent balance of high capacity (≥170 mAh/g), cycle stability, and thermal safety, making it a popular choice for EV, energy storage, and power tool applications. Its intermediate Ni content (60%) provides better structural stability and lower thermal reactivity versus NMC811, with capacity above NMC532.

battery energy storage chemicals

NMC811 Cathode Active Material Li(Ni0.8Co0.1Mn0.1)O2

NMC811 cathode material with composition Li(Ni0.8Co0.1Mn0.1)O2 delivers the highest specific capacity (≥195 mAh/g) among commercial NMC grades, making it the leading cathode for high-energy-density EV batteries. Produced via co-precipitation and controlled sintering with lithium hydroxide, available in single-crystal and polycrystalline forms.

battery energy storage chemicals

Nano Silicon (Si) Anode Powder

CAS: 7440-21-3

Battery-grade nano silicon powder enables next-generation high-energy-density lithium-ion anodes with theoretical capacity ~10× greater than graphite (3579 mAh/g). Carbon-coated or bare nano-Si is used as a blending agent with graphite (5–15 wt%) to increase cell energy density while managing volumetric expansion through nano-size engineering.

battery energy storage chemicals

Nickel Sulfate Hexahydrate Battery Grade (NiSO4·6H2O)

CAS: 10101-97-0

Battery-grade nickel sulfate hexahydrate (NiSO4·6H2O) is the primary nickel source for NMC and NCA cathode precursor (pNi-Co-Mn(OH)2) co-precipitation. Ultra-low impurity specifications (particularly Fe, Cr, Zn, and Na) are essential to ensure high-performance cathode active materials without electrochemical side effects.

battery energy storage chemicals

PVDF Binder NMP-Based (Cathode Grade)

CAS: 24937-79-9

NMP-soluble polyvinylidene fluoride (PVDF) binder is the industry standard for NMC, NCA, LCO, and LFP cathode slurry formulation, providing excellent adhesion to aluminum current collectors, chemical resistance to electrolyte solvents, and electrochemical stability up to 4.6V. High molecular weight grades offer superior cohesive strength in thick electrode coatings.

battery energy storage chemicals

PVDF Binder Water-Based (Aqueous Cathode Grade)

CAS: 24937-79-9

Water-based PVDF binder (PVDF latex/dispersion) eliminates NMP solvent and associated recovery systems, enabling greener cathode manufacturing with reduced capital cost and carbon footprint. Designed for LFP and NMC cathode aqueous slurry processes, it provides adhesion and electrochemical performance comparable to NMP-based PVDF.

battery energy storage chemicals

PVDF-HFP Separator Coating Material

PVDF-HFP (polyvinylidene fluoride-co-hexafluoropropylene) separator coating is applied onto ceramic-coated or bare polyolefin separators to improve adhesion to electrode surfaces, reduce interface resistance, and enhance electrolyte retention. It is especially important in dry-stacking pouch cell manufacturing where separator-electrode adhesion is critical.

battery energy storage chemicals

Polyacrylic Acid (PAA) Binder for Silicon Anode

CAS: 9003-01-4

Polyacrylic acid (PAA) is a high-performance aqueous binder specifically developed for high-silicon-content (>10%) and pure silicon anodes, where its abundant carboxylic acid groups form strong covalent and hydrogen bonds with silicon oxide surface groups to maintain electrode integrity through severe volume cycling.

battery energy storage chemicals

Polyimide (PI) High-Temperature Anode Binder

CAS: 25036-53-7

Polyimide binder provides exceptional thermal stability (>300°C), outstanding mechanical strength, and excellent electrochemical stability for silicon, SiOx, and high-loading graphite anodes. It is processed from polyamic acid precursor in NMP solution and thermally imidized to form a robust, chemically resistant network that withstands repeated silicon expansion.

battery energy storage chemicals

Polypropylene (PP) Microporous Battery Separator

CAS: 9003-07-0

Polypropylene microporous separator is a critical safety and performance component in lithium-ion batteries, providing ionic transport through its porous structure while preventing electronic short circuits between cathode and anode. PP separators (or trilayer PP/PE/PP) are widely used in cylindrical and prismatic EV cells.

battery energy storage chemicals

Prop-1-ene-1,3-sultone (PS) Electrolyte Additive

CAS: 1120-71-4

Prop-1-ene-1,3-sultone (PS) is an SEI-forming electrolyte additive that generates a sulfonate-rich SEI layer on both graphite and silicon anodes, improving overcharge protection, cycle stability, and high-temperature performance. Used at 0.5–2 wt% in commercial electrolyte formulations for NMC and NCA cells.

battery energy storage chemicals

Propylene Carbonate Battery Grade (PC)

CAS: 108-32-7

Battery-grade propylene carbonate (PC) is a liquid co-solvent prized for its wide liquid range (-49°C to 242°C) and high dielectric constant, enabling excellent low-temperature electrolyte performance. It is used in lithium primary batteries, LiBF4-based systems, and as a plasticizer for gel polymer electrolytes.

battery energy storage chemicals

Silicon Oxide (SiOx) Anode Material

CAS: 10097-28-6

Silicon oxide (SiOx, x≈1) anode material balances the high capacity of silicon with improved cycle stability over nano-Si, because its SiO2 matrix partially absorbs volume changes and provides mechanical buffering. Pre-lithiated SiOx grades are available to offset the high first-cycle irreversible capacity loss.

battery energy storage chemicals

Spherical Natural Graphite Anode Material

CAS: 7782-42-5

Spherical natural graphite (SNG) anode material is produced by shaping and surface coating natural flake graphite to achieve high tap density, excellent cycle stability, and superior rate performance for lithium-ion battery anodes. It is the dominant commercial anode material for consumer and EV batteries, offering cost advantages over synthetic graphite.

battery energy storage chemicals

Styrene-Butadiene Rubber (SBR) Anode Binder

CAS: 9003-55-8

SBR latex is the standard aqueous binder for graphite and silicon-graphite composite anodes in lithium-ion batteries, used in combination with CMC thickener. Its rubber-like elasticity accommodates volumetric changes during cycling, while the aqueous formulation avoids NMP solvent, reducing manufacturing cost and environmental impact.

battery energy storage chemicals

Succinonitrile (SN) Solid Electrolyte Additive

CAS: 110-61-2

Succinonitrile (SN) is a nitrile-based solid-state electrolyte additive and co-solvent that improves lithium-ion conductivity in solid polymer electrolytes and acts as a cathode-stabilizing additive in liquid electrolytes at elevated voltages. Its high dielectric constant facilitates lithium salt dissolution and reduces interfacial resistance.

battery energy storage chemicals

Synthetic Graphite Mesocarbon Microbead (MCMB) Anode

CAS: 7782-42-5

Mesocarbon microbead (MCMB) synthetic graphite anode material offers isotropic structure, excellent rate capability, and superior cycle stability compared to natural graphite, making it the preferred choice for high-power and high-cycle-life applications such as power tools, HEV, and aerospace batteries.

battery energy storage chemicals

Thermal Runaway Inhibitor (FR Electrolyte Additive)

Thermal runaway inhibitor (TRI) is a proprietary phosphorus/fluorine-containing flame-retardant electrolyte additive blend designed to interrupt the chain reaction during lithium-ion battery thermal runaway events, increasing the time-to-vent and reducing peak temperature and heat release rate. Suitable for grid-scale ESS and EV battery packs where thermal management is critical.

battery energy storage chemicals

Triethyl Phosphate (TEP) Flame-Retardant Electrolyte Additive

CAS: 78-40-0

Triethyl phosphate (TEP) is a phosphorus-containing flame-retardant co-solvent and additive for lithium-ion battery electrolytes, reducing flammability and improving thermal runaway resistance without severely compromising ionic conductivity. It is used in fire-safe electrolyte formulations for EV and grid-scale energy storage.