Shanghai Putailai New Energy Technology Group Co., Ltd.

PUTAILAI's anode materials business division product portfolio, covering the full range of lithium battery anode materials including artificial graphite, natural graphite, silicon-carbon, silicon oxide (SiOx), and hard carbon, applied in consumer electronics, power batteries, and energy storage, with integrated graphitization and carbonization capacity built in Sichuan and Inner Mongolia.

Product systems: artificial graphite / natural graphite / silicon-carbon / silicon oxide / hard carbon; charge rate 0.5C~5.0C; supports high energy density, fast charging, and high cost-performance; integrated graphitization and carbonization process

• Consumer electronics (phones, laptops)
• Power batteries
• Power tools and drones
• Energy storage lithium batteries
• High energy density lithium batteries

PUTAILAI's artificial graphite anode material series features high capacity, high compaction density, high first-cycle efficiency, low expansion, and long cycle life, covering applications such as high energy density and fast charging (up to approx. 5.0C).

G58: high capacity / high compaction / high first efficiency / low expansion / long cycle / 1.0~1.5C; K58T: ~1.5C; NK-SC: ~5.0C fast charge; NT-3S: 3.0~3.5C fast charge; F1-Z2T: ~1.5C / high cost-performance; G49: 0.5~1.0C; GT: ~1.5C

• High energy density lithium battery
• Fast-charging power battery
• Various lithium batteries

PUTAILAI's natural graphite anode material features low expansion, high energy density, and high cost-performance.

RH-1: natural graphite / low expansion / high energy density / high cost-performance; 8C: natural graphite / high energy density / low expansion / long cycle

• High energy density lithium battery
• Cost-effective power battery
• Various lithium batteries

PUTAILAI's silicon-carbon anode material series includes various systems such as irregular resin-based, biomass-based, and perfect-sphere resin-based, featuring low expansion, long cycle life, high first-cycle efficiency, and high capacity.

SIC-X-1: irregular resin-based / low expansion / long cycle; SIC-X-2: biomass-based / high cost-performance / low expansion / long cycle; SIC-X-5: resin-based / high first efficiency / high capacity / low expansion / long cycle; SIC-X-17: perfect-sphere resin-based / high first efficiency / high capacity; Si/C-1400: nano silicon-carbon / high specific capacity / high first efficiency / long cycle

• Consumer electronics (phones, laptops)
• Power batteries
• Power tools and drones
• High energy density lithium battery

PUTAILAI's silicon oxide (SiOx) anode material features high specific capacity, low expansion, long cycle life, and high energy density.

SiO-1800: silicon oxide / high specific capacity / low expansion / long cycle / high energy density; SiO-1300L: silicon oxide / high specific capacity / high first efficiency / excellent processability / high cell energy density

• Polymer battery
• Cylindrical battery
• Power battery
• High energy density lithium battery

PUTAILAI's hard-carbon anode material (P55) is a negative-electrode active material aimed at sodium-ion and similar systems. While keeping a high specific capacity, it delivers good fast-charging performance, helping raise a battery's power response and cycling efficiency for storage and traction scenarios that demand rate capability and life.

Model: P55; type: hard-carbon anode; specific capacity: high; fast charge: good; system: sodium-ion etc.; use: storage / traction

• Fast-charging lithium battery
• Cost-effective battery
• Long-cycle battery

PUTAILAI's separator materials and coating division product portfolio builds an integrated layout of base film, coating, and slurry, covering fluoropolymer-free coated separators, ceramic+PVDF mixed coating, ultra-thin ceramic coating (UCCS), solvent-based coating (OBS), as well as aluminum-plastic film for lithium pouch cells and PE base film.

Coating types: fluoropolymer-free coating / ceramic+PVDF mixed coating / ultra-thin ceramic coating (0.5μm, 150℃ heat resistance) / solvent-based PVDF coating; aluminum-plastic film thickness: 88μ / 91μ; base film: PE polyolefin separator

• Lithium battery
• Consumer electronics
• Power battery
• Energy storage battery
• Pouch lithium battery packaging

A fluoropolymer-free polymer coating is applied to the surface of the polyolefin separator to achieve tight bonding between the separator and the battery electrodes, reducing cell deformation, improving the reaction interface, and reducing coating thickness from the conventional 1μm to 0.5μm.

Coating type: fluoropolymer-free polymer; coating thickness: 0.5μm (down from conventional 1μm); substrate: polyolefin separator

• High energy density lithium battery project
• Power battery
• Consumer electronics

A mixed ceramic and PVDF coating is applied to the surface of the polyolefin separator to improve the bonding between the separator and the battery electrodes, reduce cell deformation, improve the reaction interface, and enhance electrolyte wettability.

Coating type: ceramic+PVDF mixed coating; substrate: polyolefin separator

• Lithium battery
• Power battery
• Consumer electronics

By coating inorganic nano-ceramic on the surface of the polyolefin separator, a 0.5μm ultra-thin coating is obtained, effectively reducing the ceramic coating thickness while maintaining 150℃ heat resistance, improving energy density under ensured safety.

Coating type: inorganic nano-ceramic; coating thickness: 0.5μm; heat resistance: 150℃; substrate: polyolefin separator

• High energy density lithium battery
• Power battery
• Consumer electronics

Using a solvent-based coating method, an oil-based PVDF coating is obtained, featuring high adhesion to the electrode sheet and fast lithium-ion passage, giving the lithium battery fast-charging performance.

Coating type: solvent-based oil PVDF; features: high electrode adhesion / fast lithium-ion passage / fast charging

• Fast-charging lithium battery
• Power battery
• Consumer electronics

The aluminum-plastic packaging film is a packaging material for lithium pouch cells, composed of multiple layers of plastic, aluminum foil, and adhesive, featuring good plastic deformation, heat-press sealing, and isolation properties.

CE 88μ silver aluminum-plastic film (AG055); CE 91μ black matte aluminum-plastic film (AG063); structure: multi-layer plastic / aluminum foil / adhesive

• Digital pouch lithium battery
• Power pouch battery

Polyethylene (PE) polyolefin separator base film, used as the substrate for lithium battery separator coating processing.

Material: polyethylene (PE) polyolefin separator base film; Thickness: 5 µm - 16 µm; Porosity: 38% - 45%; Air permeability (Gurley): 150 s/100 mL - 300 s/100 mL; Puncture strength: ≥ 300 gf; Machine-direction tensile strength: ≥ 100 MPa; Thermal shrinkage (120 ℃/1 h): ≤ 5%; Areal density: 5 g/m² - 9 g/m²

• Lithium battery separator base film
• Coated separator processing

PUTAILAI's automation equipment division (Jiatuo Intelligent) product portfolio covers dual-side high-speed high-precision electrode coaters, separator coaters, gravure primer coaters, slitting machines, as well as mid-to-late stage core lithium battery equipment such as winding, stacking, electrolyte filling, and formation/grading, dedicated to full-line solutions.

Max coating width: 1400mm; thinnest substrate: 4.5μm; coating speed: 100m/min; supports closed-loop thickness control; mid-to-late stage covers winding / stacking / filling / formation & grading

• Lithium battery manufacturing
• Power battery production line
• Consumer battery production line
• Energy storage battery production line
• Full-line lithium battery solution

PUTAILAI's dual-side high-speed high-precision coater handles the electrode coating of lithium-battery positive and negative foils and coats both sides at once to lift throughput. Running at 1400 mm width, 4.5 μm thinnest substrate and 100 m/min speed, it integrates closed-loop thickness control, automatic taping, automatic roll handling and real-time monitoring to secure foil uniformity and yield.

Coating width: 1400 mm; thinnest substrate: 4.5 μm; coating speed: 100 m/min; method: dual-side; functions: closed-loop thickness control / auto taping / auto roll handling / real-time monitoring

• Lithium battery electrode coating
• Power battery
• Consumer battery

Suitable for coating primer modification materials on lithium battery substrates, enabling continuous, intermittent, and zebra coating, used together with electrode coaters.

Coating method: dual-layer gravure primer; modes: continuous / intermittent / zebra coating

• Substrate primer modification coating
• Electrode coater support

Suitable for ceramic layer and PVDF coating of lithium battery separators in cell production; the well-mixed slurry is uniformly coated on the separator, then dried, finished, and rewound to ensure dimensions, thickness, and appearance meet design specifications.

Use: separator ceramic layer / PVDF coating; process: coating - drying - rewinding

• Lithium separator coating
• Power battery
• Consumer battery

Single/dual-side models are available, accommodating substrate width 700mm, optional oven length, with electric / thermal oil / steam as heating methods.

Model: single/dual-side optional; substrate width: 700mm; heating: electric / thermal oil / steam; oven length optional

• Lithium battery coating
• Various battery production lines

Used for the slitting process of lithium battery separator electrodes, featuring a spiral reciprocating edge-trim collection mechanism that reduces edge scrap unloading time and improves equipment OEE; three slitting modes (upper straight knife, lower straight knife, circular knife) are switchable.

Slitting modes: upper straight knife / lower straight knife / circular knife switchable; features: spiral reciprocating edge scrap collection / improved OEE

• Lithium separator slitting
• Electrode slitting
• Battery production line

With an independent polygon winding-needle patent, it enables circular winding; a multi-stage high-precision correction system precisely detects edge-alignment via CCD imaging, controlling the alignment of electrodes and separator, reducing overhang defects, and improving yield.

Patent: independent polygon winding needle; functions: circular winding / multi-stage high-precision correction / CCD imaging detection

• Lithium battery winding
• Power battery
• Consumer battery

Industry-first high-efficiency vibratory differential-pressure filling improves efficiency and shortens resting process time while reducing secondary filling volume; used for injecting metered electrolyte into prismatic aluminum-shell cells, achieving fully automatic functions such as barcode scanning, weighing, Hi-pot check, vacuum filling, and sealing.

Filling method: high-efficiency vibratory differential-pressure filling; suitable for: prismatic aluminum-shell cells; functions: barcode scan / weighing / Hi-pot / vacuum filling / sealing

• Prismatic aluminum-shell cell filling
• Power battery
• Consumer battery

Stepless speed regulation, dynamic display of each mechanism, one-click model change; the industry-first first-separator positioning solves the top defect in stacking production; single-station stacking achieves stable 0.5s/sheet production.

Stacking speed: single station 0.5s/sheet; functions: stepless speed regulation / dynamic display / one-click changeover / first-separator positioning

• Lithium battery stacking
• Power battery
• Consumer battery

Used for cell hot-press formation and capacity sorting, including processes such as pouch leveling, turning, barcode scanning, formation, capacity testing, and discharge sorting, adapted to pouch battery production with magazine loading/unloading, compatible with front/back barcode scanning, and featuring incoming and post-formation defective product discrimination.

Processes: hot-press formation / capacity sorting / pouch leveling / turning / barcode scanning; suitable for: pouch batteries; loading/unloading: magazine

• Pouch battery formation and grading
• Power battery
• Consumer battery

Leveraging the synergy of main materials, functional materials, and automation equipment capabilities, since 2025 PUTAILAI has provided CAAS electrode tolling services to downstream customers, offering battery makers, automakers, and energy storage customers a complete upstream solution from binder selection, slurry preparation, electrode coating, to mass-production ramp-up.

Service model: CAAS electrode tolling; scope: binder selection / slurry preparation / electrode coating / mass-production ramp-up; since: 2025

• Battery maker electrode tolling
• Automakers
• Energy storage customers

PUTAILAI's composite copper foil current collector business signed a strategic cooperation agreement with CATL on the application of composite copper foil current collectors in new-energy lithium-ion batteries, establishing a long-term cooperation mechanism to jointly explore domestic and overseas markets.

Product: composite copper foil current collector (composite collector); cooperation: strategic cooperation with CATL; application: new-energy lithium-ion batteries

• New-energy lithium-ion battery
• Power battery
• Energy storage battery

PUTAILAI (the first domestic company to localize battery-grade PVDF) PVDF resin products cover homopolymer PVDF for lithium battery binders and copolymer PVDF for lithium battery separator coating, with customizable viscosity / melting point and packaging.

HEVER 601/701: homopolymer PVDF powder / customizable rotational viscosity; HEVER 2601: copolymer PVDF powder / customizable melting point; packaging: jumbo bag or carton

• Lithium battery binder
• Lithium separator coating
• Lithium battery

PUTAILAI's lithium battery electrode binder portfolio covers anode binders (PAA-type, PAN-type), cathode binders (non-fluorinated, PAA-type, PAN-type, modified NBR-type), and separator binders (PAA-type, PMMA-type, styrene-acrylic type).

Anode binders: high first efficiency / low impedance / low swelling / long cycle, classic LA133 / best-selling LA136*; cathode binders: LA231 / LA235 / LA268 / LCS105; separator binders: LA133 / ABE-5 / FS series

• Lithium battery anode bonding
• Lithium battery cathode bonding
• Separator coating bonding

Nano alumina powder is available in multiple purity grades, with particle size and morphology customizable as needed, and supports customized slurry products for direct customer coating.

Type: nano alumina; purity: multiple options; customizable particle size / morphology; customizable slurry

• Lithium separator coating
• Battery materials

Nano boehmite powder features a regular tetrahedral blocky structure with uniform particles, and supports customized slurry products for direct customer coating.

Type: nano boehmite; morphology: regular tetrahedral blocky / uniform particles; customizable slurry

• Lithium separator coating
• Battery materials