Secondary Cells TRIZ Cases

Surface-tuned nickel-rich cathode material limits charge transfer resistance and gas generation through XPS-controlled carbonate and Ni satellite ratios.

Stamped fluid channels circulate coolant through a battery cooling plate to lower EV battery temperature and slow discharge-capacity loss.

A one-piece plastic holder clamps cylindrical cells by the shell while leaving end faces exposed to simplify assembly and improve heat dissipation.

Acrylic acid-acrylonitrile binder chemistry helps silicon anode slurries limit expansion, prevent coating cracks, and improve cycle retention.

A tongue wider than its groove enables low-energy ultrasonic welding of battery cooling container halves while improving leak tightness and joint stability.

Coolant sprayed above venting cells and partial submersion below help suppress battery fires and limit heat propagation.

Vent-matched cooling plate protrusions redirect discharge gases, limit heat spread to adjacent cells, and help prevent cover sagging.

Integrated coolant jackets reinforce the battery case while preserving cell capacity, cooling performance, and assembly efficiency.

Multiple side outlets replace a central header to cut pressure drop and improve dielectric-fluid cooling uniformity in battery packs.

A fluorinated cyclic carbonate and multi-nitrile electrolyte blend limits battery swelling while improving cycle life and floating-charge stability.

A one-piece plastic holder clamps cylindrical cells with polygonal recesses and ribs, reducing parts while preserving heat dissipation.

Gravity-assisted heat pipes built into a conductive battery frame save space, cool cells efficiently, and support crash protection.

Curved tube walls and internal partitions improve battery cooling while reducing expansion force that can shorten pack life.

Controlled co-precipitation forms hollow cathode microspheres that raise rate capability while preserving cycle stability and crystallinity.

Li-ion conducting La-Ti oxide coatings protect cathode particles from electrolyte reactions while preserving voltage, energy retention, and cycle life.

Line-shaped laser welding strengthens the safety vent to cap-up joint, while gasket-covered weld placement helps prevent leakage and oxidation.

A heatsink and stacked thermal pads cool battery lead plates while preserving electrical isolation and gas-venting paths.

Composite surfactants and nitrogen protection help Mn-doped Co3O4 avoid agglomeration, stabilize low-valence manganese, and form uniform crystals.

A two-ring seal between the electrode column, cover plate, and metal sheet reduces leakage caused by PFA shrinkage and unstable contact.

Fan speed is adjusted by cluster average temperature and rise rate to improve battery temperature consistency, stability, and energy efficiency.

Continuous pores let the heat absorbing agent spread across battery surfaces, improving heat absorption during abnormal heat generation.

Controlled porous polymer coating keeps separator thickness COV at 0.01-0.02, improving battery packaging and reducing gelation risk.

Inner-wall protrusions and recesses speed refrigerant bubble nucleation and detachment, boosting harmonica tube heat exchange for battery cooling.

Directly joined plate covers remove stamped transition surfaces, expanding battery internal space and improving energy density.

Thicker reinforcing zones in the battery carrying plate raise local stiffness and carrying capacity without the weight penalty of uniform thickening.

Iodine lattice doping forms a lithium iodate surface layer that suppresses gas generation, improves rate performance, and stabilizes Li-ion cathodes at high voltage.

Dedicated cooling paths for adjacent electrode compartments limit heat transfer through partitions and improve module thermal management.

By recessing the detecting assembly into the end cover, this battery cell case reduces protrusion, saves space, and limits component interference.

A single-piece cooling housing with protrusions and a heat transfer member cuts module volume, improves cell contact, and simplifies assembly.

A tailored ethylene carbonate electrolyte with CEI and SEI film-forming additives helps LMFP lithium-ion cells improve conductivity and cycle life.

Individual cell tubes, wire-bonded PCB connections, and exhaust venting help contain battery fires and simplify aircraft battery certification.

A resin-metal partition between adjacent electrode assemblies blocks cross-compartment heat transfer while diffusing heat outward from the case.

An integrated duct projection and snap-fit cover anchor simplify battery module cover attachment while keeping hose routing and joint reliability.

Separate cooling paths for adjacent battery compartments limit heat conduction through partitions and improve electrode assembly cooling.

Active medium circulation between enclosure layers evens temperature around batteries and electronics to reduce thermal runaway risk.

A fluorinated ester plus trifluoroethanol electrolyte stabilizes OCV and lowers internal resistance, shortening battery finishing time.

Channels and recesses guide a flexible battery cooling duct around cells to prevent kinking, pressure buildup, and uneven thermal contact.

A triple-clad lithium manganese phosphate cathode and electrolyte additives curb Mn dissolution and side reactions to improve rate and high-temperature cycling.

Stacked conductive sheets create high contact resistance between battery cells while channeling heat to a heat sink to limit thermal runaway spread.

Direct fastening of the heat exchange plate to the upper support plate avoids locking-piece skew, preserving flatness and thermal contact.

A coated, doped LNMO composite oxide limits electrolyte corrosion, side reactions, and impedance to improve battery capacity and cycle life.

Warped inner case surfaces support and cushion the battery module, absorbing impact without added springs or more complex molds.

HDPE with shutdown-reducing additives lowers battery separator membrane shutdown temperature while preserving physical properties.

Coolant channels in upper and lower heat sinks are placed beside connection members to improve dense battery module cooling without added weight.

Tolerance-adjusted housing brackets restrain battery module vibration and movement while preserving more cell volume without extra reinforcement.

Differently spaced spring-holder openings speed valve closure in a battery pack vent, limiting gas escape during thermal events.

An insulation layer built into pouch-cell laminate encapsulation limits thermal runaway propagation without sacrificing energy density.