Cell
Cell side · cell-to-cell gap · cell top- Resolve
- Heat path, swelling allowance, electrical clearance and vent direction
- Engineering output
- Barrier thickness, expansion-pad behavior, edge construction and insulation geometry
ENGINEERING FRAMEWORK
Turn the battery position into a controlled component specification.
Material names do not define performance on their own. We connect the installation position, load case, geometry, converted construction, test condition and evidence state before a part is released.
SYSTEM MAP
Cell to ESS: define the position first.
Every level changes the relevant failure mode, data package and boundary conditions.
Module
End plate · module side · busbar · internal gap- Resolve
- Stack tolerance, clamping load, voltage, hot surface and assembly sequence
- Engineering output
- Compression curve, dielectric construction, cut geometry and converted tolerance
Pack
Module-to-module · lid · vent · enclosure seam- Resolve
- Propagation path, fire exposure, gas flow, ingress and service requirements
- Engineering output
- Shield stack-up, seals, vent-position parts and attachment method
ESS
Rack interface · cabinet · container vent path- Resolve
- Installation scale, gas release, fire scenario and environmental exposure
- Engineering output
- Large-format barriers, insulation, sealing and validation plan
EVIDENCE STATES
Know what each number can support.
Ranges help screening. A controlled specification needs traceable conditions and project-level validation.
Typical material value
A supplier- or family-level starting value. Confirm the grade, method and condition before design release.
Available screening range
A practical sourcing or converting window used to narrow candidates—not a guaranteed finished-part limit.
Project target
A customer requirement or engineering objective that still needs a defined acceptance method.
Validated project value
A result tied to the named material, converted construction, sample condition and agreed test method.
REPRESENTATIVE SCREENING DATA
Useful ranges, shown with their limits.
These values identify candidate families. They are not universal finished-part guarantees.
PropertyScreening valueEvidence
Thermal barrier thickness0.50–6.00 mmAvailable screening range
Aerogel-family conductivity0.012–0.030 W/m·KTypical material value
Compression-pad thickness1.0–3.0 mmAvailable screening range
Pressure at 25% strain10.3–83 kPaTypical grade range
PET / PI film thickness0.012–0.500 mmAvailable by material family
RECOMMENDATION INPUTS
What to send for a useful first review.
Incomplete inputs do not stop an early discussion. They do determine which conclusions can be made.
- 01Installation position and function
- 02Cell chemistry, format and dimensions
- 03Nominal / worst-case gap and tolerance stack
- 04Temperature range and exposure duration
- 05Compression or expansion curve target
- 06Voltage, clearance and creepage requirement
- 07Flammability, fire or propagation test context
- 08Drawing, 3D data and annual volume
VALIDATION BOUNDARY
A converted component contributes to safety. It does not, by itself, certify the battery system.
Final suitability depends on the selected grade, construction, thickness, geometry, assembly process, aging condition and the customer's cell, module, pack or installation-level test.
Start a controlled review