Secondary Cells TRIZ Cases

Graduated guide portions let battery units mount sequentially, easing tolerance buildup while improving assembly stability and efficiency.

Deformable separators and springs keep prismatic battery cells under uniform compression as they expand and contract, improving life and thermal safety.

A virtual reference battery tracks normal aging and electrical response, improving micro-short detection accuracy and reducing false alarms.

Porous carbon immobilizes selenium to curb polyselenide dissolution, enabling stable fast-cycling lithium-selenium batteries.

Parallel cold plates fed by shared support rails reduce temperature variation across large battery packs while easing enclosure manufacturing.

Series-connected battery units let working machines reach high drive voltage with passenger car components, cutting electrical system cost and charging time.

A conductive projection shorts a secondary battery while a radiator plate removes heat, enabling fast discharge without ignition during disposal.

A flowable heat transfer member fills gaps between cell stacks, busbars, and end plates to improve cooling and reduce ignition risk.

A funnel-shaped thermal interface spreads heat exchange along coolant flow to equalize battery cell temperature without larger pumps or added pack volume.

Surface-doped LiFePO4 with micron-scale particles and carbon coating improves ionic transport, packing density, and fast charge-discharge.

A hindered phenolic compound in NMP keeps carbon black uniformly dispersed in cathode paste, preserving viscosity, shelf stability, and conductivity.

Sequential loop switching transfers power between battery units to generate Joule heat, warming the module without external power.

A sandwich cooling plate with formed refrigerant ducts and reinforced manifolds reduces leakage risk while maintaining stable battery heat dissipation.

A phosphate interlayer in the cathode limits interfacial damage and impedance growth, improving battery cycle stability and safety.

Heat-conducting plates and a fluid passage cool aligned battery cells while preserving space, improving energy density and thermal performance.

Controlled particle size distribution and conductive carbon in a positive electrode improve high-rate cycling and reduce battery deterioration.

Ultrathin ALD AlWxFy coatings protect LiCoO2 from HF-driven interface degradation while preserving rate capability and capacity retention.

Overmolded dielectric busbar ends create parallel heat-sink paths that reduce Joule heating at cell tab interfaces and improve battery pack cooling.

Inorganic oxide coatings help nonwoven battery separators resist shrinkage, puncture, and dendrites while preserving porosity and wettability.

A dual-powder cathode pairs smaller and larger active particles to balance energy, power, and battery life in demanding battery use.

Curved laminated tabs and protruding terminals disperse joint stress during battery stacking, improving bondability and preventing damage.

Detachable battery units with linked coolant channels simplify replacement, fit varied mounting spaces, and reduce cooling system volume.

A thermal conductive sealant layer and low-melting vent member redirect battery gases during failure to limit thermal damage and fire risk.

Applying controlled pressure before annealing deforms the active layer around particles, reducing voids and improving solar cell contact.

Gap filler conducts cell heat to upper and lower cooling channels, cutting fast-charging temperature differences and improving durability.

Notched heat exchange plate edges cut thermal contact with the frame body, improving battery module heat exchange and plate stability.

Quick-coupled secondary connections make battery cooling modules easier to assemble across EV layouts while cutting bulk, cost, and build time.

Crossbeams clamp adjacent cell stacks and replace bolt-heavy fixing, simplifying battery module assembly while improving strength and lateral protection.

Using 0.5-3.3 vol% non-crystallized PVdF helps the electrode layer resist drying cracks while preserving electrolyte uptake and high-rate discharge capacity.

A perforated plate spreads coolant more evenly across battery cells, reducing temperature gradients while maintaining effective cold plate cooling.

A Ni-Co-Mn gradient single-crystal cathode raises surface Co and Mn to improve thermal stability and cut gas generation without losing capacity.

A methyl acetate and dimethyl sulfone electrolyte suppresses low-temperature viscosity rise and high-temperature decomposition to improve cycle retention.

Shared end-plate cavities and connecting tubes link opposing cooling plates into one compact battery module cooling loop with less piping.

Bottom and side liquid-cooling channels with a multi-pass flow path improve battery pack heat dissipation under high-rate charging and discharging.

Perpendicular lips lock the busbar to cell terminals for accurate jig-free welding, cutting holder complexity, cost, and plastic fire risk.

Direct can-to-tab cell contact replaces bus bars to save pack space, improve conduction, and support cooling with compression and heat dissipation.

A zig-zag bus bar layout along the pack short side cuts cell voltage differences and short-circuit risk in compact battery packs.

Controlled puncture elongation and TMA behavior help a lithium-ion battery separator keep electrode contact stable and suppress thermal runaway.

Sequential fluid flow through two contacting heat exchanger plates reduces coolant temperature gradients for more uniform battery and power electronics tempering.

A staggered firefighting pipe and drainage opening layout reduces outlet pressure and improves battery cell cooling during thermal runaway.

Bottom and side cooling channels linked by a multi-pass device improve heat removal for high-capacity battery packs during 1C cycling.

Exhaust venting releases trapped gas between a battery cell and heating layer, improving adhesion, heat transfer, and cold-weather cycling life.

Sliding battery groups automate rear electrical and cooling connections, cutting service time and reducing high-voltage exposure during removal.

A crystallized-binder base layer and binder-free outer layer enable thicker battery electrodes with lower contact resistance and better cycle durability.

An alkali-silicate and inorganic-particle coating strengthens lithium-ion separators and improves thermal resistance without sacrificing air permeability.

Covalently bonded sulfurized polymer cathodes curb polysulfide shuttle while maintaining high sulfur loading, capacity, and cycle life.

Periodic switching keeps micro-battery charge balanced and polarization stable, enabling compact DC-DC conversion with lower voltage variation.

Controlled carbon film mass and resistance improve electron conduction and lithium-ion diffusion for stronger low-temperature battery output.

Heat-absorbing channels inside compact cell arrays improve center-cell cooling, balance pack temperature, and slow battery decay.

Housing-integrated cooling channels improve cell temperature uniformity in dense battery modules without adding extra weight or space.