Secondary Cells TRIZ Cases

A dual-use thermal plate and fluid passage cool adjacent battery cells while preserving pack space and structural strength.

Opposing coolant channels in a corrugated battery cooling plate improve temperature uniformity, cut hotspots, and lower thermal runaway risk.

A dual-porous separator boosts tensile strength, elongation at break, and heat resistance to help prevent battery short circuits.

Asymmetric battery pack terminal spacing prevents negative and temperature terminal misconnection during mounting and keeps device operation stable.

Phase change material and thermal barriers limit heat transfer between adjacent battery arrays while coolant channels dissipate excess heat.

Internal cooling channels and a non-circular press-fit adapter improve battery module heat dissipation while reducing joining parts and package space.

A pressure-activated separator avoids sticking below 1 MPa and bonds at 2 MPa, improving battery lamination stability and throughput.

Embedded sidewall cooling channels remove heat without separate heatsinks, enabling denser battery modules with better coolant flow.

A graded electrode layer with higher surface porosity and larger surface particles cuts membrane resistance and improves battery rate performance.

A sulfate ester and oxalatoborate electrolyte system forms low-resistance electrode coatings that preserve output and high-temperature storage.

A sliding end-plate and cover structure relieves swelling-cell pressure, preventing case deformation and extending battery cell life.

Water and dry chemical nozzles inside battery pods cool cells and suppress fires to contain thermal runaway in mobile ESS trailers.

An enclosure floor with fluid cooling channels and an insulating air gap cuts thermal losses in cell-to-pack battery packs.

Broad-size aluminum hydroxide fillers and a surface modifier raise thermal conductivity while keeping thermal interface materials processable and non-abrasive.

Integrating the thermistor mount into the wire routing groove cuts bus bar module height and avoids blocking single-cell gas exhaust.

Fluorine-tuned Li-Mn-O-F disordered rocksalt cathodes address Mn-based capacity fading while delivering high capacity, energy density, and cyclability.

A multiscale wick uses phase-change cooling and structural containment to limit Li-Ion battery overheating and explosion propagation.

A porous ceramic nanofiber separator improves lithium-ion thermal stability and ion transport while maintaining cycle integrity.

An epitaxial nano-coating on lithium nickelate cathode particles blocks electrolyte side reactions while preserving Li+ transport and high-voltage cycle life.

Alternating refrigerant direction through three-way valves evens cooling across battery groups and reduces pack temperature variation.

A central fluid-based mechanism inside a pouch cell evens heat and stack pressure, supporting faster charging without shortening battery life.

Multi-nitrile and halogenated carboxylate additives build protective electrode films that limit side reactions and swelling at high temperatures.

Thin and thick cover sections guide outside air for battery cooling while insulating against engine-room heat to extend service life.

A heat-spreader inside the battery cell conducts internal heat to external cooling, enabling high power while reducing thermal runaway risk.

A multilayer cladding blocks HF attack and manganese migration in lithium manganate cathodes, improving cycle retention and rate performance.

A polymer insert with coolant channels evens temperature and pressure across EV battery cells, reducing hot spots that speed cell deterioration.

Welded inner containers secure stacked single cells, preserving electrical connection integrity while limiting displacement and thickness growth.

Independent cell boxes with pressure relief regions vent heat and gases separately, limiting thermal runaway spread and explosion risk.

A conductive medium injected through end-plate channels improves multi-sided battery module heat transfer without adding damaging pressure to cells.

Using mixed-chemistry cells with matched OCV-SOC behavior, this battery module improves high-SOC charge detection to prevent overcharging.

Reduced order thermal-electrical models cut battery pack simulation time while preserving module cooling behavior for real-time design analysis.

Different air duct hole sizes and fan-driven flow balance cooling across stacked battery cells, reducing temperature differences and extending module life.

Integrated collector plates simplify small-cell battery module assembly, cutting interconnect complexity, cost, and build time while improving safety.

A dual Si-material negative electrode keeps the positive-negative initial efficiency gap at 1-8% to preserve capacity and suppress cycle degradation.

Alternating open cooling channels between adjacent cells improve heat removal, limit thermal runaway spread, and keep battery cooling compact.

Guide formations support serpentine battery cooling ducts to prevent kinking, pressure loss, and uneven cell temperatures.

A LiFSI, LiTDI, and LiPF6 electrolyte mix limits HF-related degradation while improving conductivity, cycle life, and wide-temperature power.

Sequential SEI-forming electrolytes create a protected lithium anode before cell assembly, suppressing dendrites and improving cycle efficiency.

Synergistic unsaturated phosphate and cyclic anhydride additives suppress electrolyte breakdown, lower impedance, and stabilize high-voltage cycling.

A silicon-lithium silicate core, silicon interlayer, and amorphous carbon shell raise battery energy density while suppressing electrolyte side reactions.

A recessed end plate and clearance bolt shank absorb thermal expansion mismatch, suppress loosening, and keep the battery module compact.

Elastic partition walls between unit stacks absorb battery cell swelling, ease stack insertion, and reduce housing load during assembly.

A CTR ceramic thin film between the busbar frame and end plate adds self-heating to preserve battery output in cold conditions without extra heaters.

Heat transfer delay portions and insulating filler isolate adjacent cell assemblies, slowing heat and flame spread during battery failure.

Alternating flow paths and hollows lighten the cooling plate while improving battery pack heat control and service life.

Heat-transfer delay sections split a battery cooling plate into isolated cell zones to slow heat spread and reduce secondary ignition risk.

Socketed connecting bars let users reconfigure battery cells between series and parallel layouts to match changing voltage and capacity needs.

A dual-particle Ni-rich cathode with Ti-containing oxide raises battery capacity while suppressing Ni dissolution, resistance growth, and shorts.

Parallel charge pump chips on separate boards switch by temperature threshold to sustain fast charging while limiting overheating.

Overlapping magnetic-element extensions improve field coupling and resistance stability for more accurate, lower-noise sensing.