Secondary Cells TRIZ Cases

Insulating layers and controlled spacing keep a metal fixing plate away from cylindrical battery weld marks to reduce short-circuit risk.

A bus bar assembly with a grooved injection tube protects thermistor wiring while measuring the hottest battery cells accurately.

Locally welded arrester sections create flexible bend zones, cutting conductor length, cell volume, weight, and ohmic resistance.

Horizontal cell stacking with insulation layers and a cooled connecting shell limits heat transfer, lowers module height, and resists runaway spread.

Diagonal shunt flow paths in a battery case shorten coolant routing, cut pressure drop, and improve cooling uniformity at central hot spots.

Support plates fixed with gaps simplify battery pack assembly, raise energy density, improve cooling, and help contain thermal runaway.

Multiple separators in semi-solid electrochemical cells limit electrolyte solvent evaporation, cut salt buildup, and preserve capacity.

A rod-and-sphere particle coating on the electrode replaces thicker separators to improve heat resistance, ion flow, and energy density.

Two cooling loops and branched refrigerant control keep each heat generation source at the same operating temperature across a storage space.

Cross-members with internal refrigerant channels and connectors dissipate battery heat while reinforcing the pack to reduce thermal malfunction risk.

Perpendicular lips lock the busbar onto cell terminals without plastic holders or jigs, cutting assembly time, cost, and fire risk.

A carbon-resin coating and controlled active-layer roughness improve adhesion to the current collector while reducing electrode resistance.

Carbon nanotube clusters above 0.2 μm build a stable conductive network that reduces polarization and slows cycle capacity fade.

Segmented flow channels and a bottom thermal conductor balance battery-cell heat, improving cooling uniformity and thermal runaway control.

Inflatable roll-bonded side walls and top flaps improve battery cell contact, simplify assembly, and deliver more uniform cooling.

Rib-like plastic cover supports on cooling plates improve battery module securement and crash force transfer while simplifying 3D manufacturing.

Orthogonal cell-stack insertion, elastic elements, and a cooling plate simplify battery module assembly while limiting housing bending and heat stress.

Integrated cooling channels inflated within roll-bonded frame sheets simplify battery module assembly while improving heat dissipation and rigidity.

Stacked planar coils switch between measuring and reference modes to characterize moving multilayer battery electrodes without contact.

A through-thickness metal doping gradient in the positive electrode lowers lithium-ion diffusion resistance and improves discharge energy efficiency.

A porous-core, solid-shell hydroxide precursor preserves electrolyte access while improving cathode particle strength, durability, and cycle behavior.

Nitrogen-rich air injection lowers battery pack oxygen below 10% to suppress thermal runaway heat, flames, and propagation.

Integrated cover reservoirs and nozzles direct suppressant to an overheating battery module, containing thermal runaway without adding pack volume.

Ball-milled sodium oxy-sulfide glass electrolytes form dense, low-resistance layers that stay stable with Na metal and help prevent short circuits.

A porous-core, solid-shell coated cathode material raises particle strength while preserving lithium-ion conductivity, capacity, and output.

A spacer plate and mounting wall replace beams and side plates to raise battery space utilization, energy density, and structural strength.

Side-facing inlets and outlets create lower-resistance cooling flow, reducing pressure drop and local overheating across battery cells.

Reinforcement members bridge the tubular casing and end plate to restrain cell expansion, prevent deformation, and protect battery cells.

A capacitor-based voltage comparison circuit detects micro short circuits early during battery charging to prevent abnormal heat and support SOH evaluation.

Halogen-modified glass frit forms crystallized solid electrolytes that improve ion conductivity, safety, and electrode conformability in lithium-ion batteries.

Fluoroethylene carbonate builds a dense SEI on the negative electrode while tuned nickel-rich cathode loading preserves energy density and cycle life.

A stepped lower plate and variable gap filler balance heat across battery modules, reducing temperature deviation, swelling, and pack aging.

A three-side heating member with cell-level temperature sensing reduces battery stack temperature deviation and preserves charge capacity.

A Co-rich outer layer on a low-cobalt single-crystal cathode improves low-temperature, high-voltage battery cycle life and power while cutting cobalt cost.

Physical adsorption on conductive carbon stabilizes quinone cathodes in zinc cells, limiting leaching while preserving capacity and cycle life.

Areal capacity tuning and a solid-graphite negative layer balance capacity density and power by limiting internal resistance growth.

A two-layer positive electrode balances lithium-rich capacity and lithium-poor conductivity to improve ion diffusion and cut battery resistance.

A deformable Belleville end plate keeps battery cell stack pressure stable despite production tolerances and cell swelling over time.

Controlled Ni, Fe, Mn, and Al ratios in a positive electrode sheet raise battery energy density while improving thermal stability and safety.

Boron- and aluminum-containing positive active material with a 1.1 V voltage window suppresses particle cracking, swelling, and capacity loss.

Controlled CMC ratio, viscosity, and CNT particle size improve slurry dispersibility, uniform electrode layers, and battery cycle retention.

Mediation and insertion members connect stacked battery modules while absorbing tolerance buildup and preserving cooling plate spacing.

A water-based phase change barrier between battery cell blocks absorbs heat and delays thermal runaway propagation in battery modules and packs.

Snap-fit end plate interlocks replace welding or bolting to maintain consistent cell stack compression and speed battery assembly.

Pre-installed extinguishing material and transfer holes improve fire suppression coverage across battery cells while limiting fire spread.

A beam-framed flame blocking unit vents gas while containing flames and heat, delaying pack collapse and protecting adjacent modules.

Coolant pressure, flow, and temperature sensing improves aging assessment in immersion-cooled battery modules beyond basic thermal monitoring.