Large-Sized Flat Cells/Batteries TRIZ Cases

Additional uncoated collector portions and conductive members shorten current paths in long-width secondary batteries, cutting resistance and output loss.

A metallic separator placed between adjacent battery tabs improves insulation, simplifies welding, and preserves cell capacity in compact layouts.

A lithium oxide coating on the outermost positive electrodes prevents first-charge voids, preserving electrode density and battery energy density.

A mesh fixing part with through-holes keeps electrode stacks flat, blocks contaminants, and improves electrolyte injection in battery modules.

A layered adhesive bond creates a controlled release path, letting vehicle battery cells be removed for repair or recycling without harming the housing.

A wide case opening parallel to the electrode assembly enables safer insertion while preserving compact battery pack connections.

A spacer constrains electrode body movement to protect folded tab groups from vibration and impact, preserving stable battery connections.

Elastic deforming portions let the battery module cover frame flex with cell inflation, absorbing pressure and preventing frame and cell damage.

Varying electrode assembly capacity by cell region lowers middle-zone heat and active lithium loss, extending battery cell service life.

Elastic deforming portions in a battery module cover frame absorb cell inflation pressure, helping prevent damage to cells and the frame.

Directly bonded end protective layers reinforce separator overhangs, limiting heat-driven shrinkage, delamination, and short-circuit risk.

An insulating hot-melt adhesive bonds battery constraints to restrain electrode swelling, preventing shorts and extending cycle life.

Thermally fused side film replaces fixing tape in stacked electrode assemblies to prevent separator wrinkling and lower short-circuit risk.

Multiple terminal pairs shorten current collection paths in large battery cells, cutting resistance and improving high-rate charging safety.

Uncoated current collector portions extend outside the cell case to create a larger heat path and reduce thermal bottlenecks in the electrode body.

Adjacent-face electrode extraction lets all-solid batteries connect in linear or L-shaped layouts for denser modules and flexible series or parallel wiring.

A wider inner current collecting portion spreads fast-charging current to curb electrode terminal heating while preserving battery sealing.

A through-hole flow path redirects electrolyte injection to limit separator deformation, avoid short circuits, and preserve battery capacity.

Hollow reinforcing walls absorb corrosion-driven cell expansion and impact loads while preserving air tightness and joint strength.

Direct bipolar plate contact links adjacent batteries without terminal posts or bus bars, reducing pack weight, volume, and heat generation.

A compressible polymeric seat secures battery modules without bottom-plate access, while damping vibration and impact during service.

Balanced electrode film-layer resistance and pre-stored active ions help delay capacity decay and extend secondary battery cycle life.

Inward-biased metal can walls compress pouch cells while insulation, fins, vents, and intumescent paint slow thermal runaway propagation.

A tab-connected voltage detector accesses each series electrode body, enabling abnormal voltage detection without complex internal sensing.