Cylindrical
18650 and 21700 standard formats
UPCOMING MANUFACTURING PROGRAMMEEngineering the route
LiFePO₄ cell manufacturing
Engineering the route
from cell concept
to controlled production.
A R Green Energy is developing an Indian LFP cell manufacturing platform built around safety-led chemistry, long service life and disciplined process control for mobility, storage and industrial applications.
PLANNED INITIAL OBJECTIVE100MWh / YEAR
R&D foundation
Prototype cells developed
Manufacturing engineering ahead
TECHNICAL GUIDANCE / 01Programme leadership
Built under experienced
power-systems guidance.
M.S. Srinivasan
Director · Retired ISRO Group Director · Power Systems SpecialistThe programme is being developed under the technical guidance of Mr. M.S. Srinivasan. His experience includes the implementation of Nickel-Cadmium, Nickel-Hydrogen and multiple lithium-ion battery systems—bringing systems-level discipline to cell architecture, manufacturing-process definition, formation strategy and validation planning.
The prior role above describes Mr. Srinivasan's individual professional experience and does not imply institutional sponsorship or endorsement.Planned product architecture
Multiple formats.
One controlled chemistry.
The programme is planned around recognised cell formats rather than applying one capacity range to every geometry. Final specifications will follow engineering validation and customer qualification.
Prismatic
Selected 5–100 Ah larger-format classes
Pouch
Stacked flexible-pack format under programme development
Coin
Compact rechargeable specialty format
01
PLANNED LFP FORMAT / IN FOCUS
18650 & 21700 cylindrical cells
Standard cylindrical formats planned for modular mobility, industrial power and energy-storage applications.
Planned manufacturing architecture
Cell performance is
made in the process.
The proposed route follows the complete electrode-to-cell sequence. Each stage is linked to measurable process conditions, controlled material movement and cell-level traceability.
Material & incoming control
Active materials, foils, separators, electrolyte and cell hardware are verified against approved specifications before issue to production.
Slurry mixing
LiFePO₄ cathode and graphite anode slurries are prepared through controlled mixing, dispersion, viscosity and solids-content management.
Coating & drying
Cathode slurry is coated on aluminium foil and anode slurry on copper foil, followed by controlled drying to remove process solvent.
Calendering & slitting
Coated electrodes are compressed to the required density and porosity, then slit to format-specific width with strict edge and burr control.
Cell assembly
Electrodes and separators are wound or stacked, tabs are joined and the assembly is inserted into the cylindrical, prismatic or pouch enclosure.
Drying, filling & sealing
Cell assemblies are vacuum dried, filled with controlled electrolyte quantity and sealed under low-moisture manufacturing conditions.
Formation & ageing
Controlled first charge-discharge cycles establish the cell interface; ageing data is monitored to identify stability and early-life variation.
Testing, grading & release
Cells are checked for capacity, voltage, resistance, dimensions, insulation and seal integrity before grading, traceability and release.
Critical process controls
Safety, consistency and life
begin before formation.
Equipment selection and plant layout will be engineered around the variables that have the strongest influence on cell consistency, safety and long-term performance.
Moisture control
Dry-room conditions and material exposure limits
Coating uniformity
Loading, thickness and edge consistency
Electrode density
Calendered density, porosity and adhesion
Particle & burr control
Cleanliness and slit-edge condition
Assembly alignment
Winding or stacking geometry and separator coverage
Joint integrity
Tab joining, current-path continuity and weld quality
Fill & seal control
Electrolyte quantity, wetting and enclosure integrity
Formation traceability
Cell-level cycling data, grading and identification
Intended application space
Designed for applications where
safety and service life matter.
Electric mobilityStationary energy storageIndustrial power systemsSpecialised electronics
Programme status: upcoming. The 100 MWh/year figure is a planned initial objective. Product mix, cell ratings, equipment configuration, performance specifications and commercial availability will be confirmed only after detailed engineering, validation and qualification.
Future cell requirements