Secondary Cells TRIZ Cases

Releasable cover recesses in a segmented cooling plate preserve battery cooling and protection while enabling easier component access.

Closely packed battery modules are separated by inner members and a heat blocker that delays heat transfer and blocks flame spread.

A fluorinated magnesium electrolyte salt improves solubility, ionic conductivity, and anode interfacial stability for longer cycling.

A heat pipe links battery disconnect power electronics to an external heat sink, enabling plastic housings to dissipate heat efficiently.

A bimodal LCO and NMC cathode blend reduces high-voltage particle stress to preserve energy density and extend lithium-ion cycle life.

A hydrocarbon-oxygenate immersion coolant cuts electrical conductivity and freeze risk while removing heat from EV and electronics power systems.

A branching cooling pipe layout expands heat transfer area to reduce temperature gradients in long battery modules during high-rate charging.

A dual-insulator layout blocks heat and hot particles between cells and the bus bar plate while preserving normal cooling airflow.

A two-part thermal interface material keeps viscosity low during application while delivering high thermal conductivity and shelf stability.

Flattening corrugations and a compressible layer absorb traction battery cell swelling, distributing pressure while preserving pack integrity.

Localized energy-absorbing sections protect the vehicle battery pack from road debris while preserving ground clearance and structural rigidity.

Phase change members target tab-bus bar hot spots, absorb transient heat, and pass it to a cooling plate to limit abnormal temperature rise.

A fracture-promoting seal region vents gas from laminate cell pairs before buildup heats adjacent cells and triggers series abnormalities.

Parallel cooling channels and sealers improve battery cooling across the case, cut dead-weight flow paths, and support a stiffer extruded housing.

A built-in analog gauge shows battery deterioration at any time, using a one-way needle and retained position to prevent tampering.

Foam blocks secured to bus bar hooks fill battery-array voids to limit cell-to-cell and array-to-array thermal propagation.

Nested spring contacts and insulative layers simplify battery cell busbar assembly while maintaining reliable, non-shorting connections.

A resin battery upper cover with heat-open fire valves releases extinguishing solution to stop short circuits, sparking, and thermal runaway.

Two back-to-back cell sets and a multifunction CCS assembly raise battery capacity without excessive module height or added assembly complexity.

Combining carboxylic, amide or nitrile, and zwitterionic units boosts electrode adhesion while lowering resistance for faster charging.

Gas detection in a battery pressure relief channel enables earlier thermal runaway warning without intrusive cell monitoring.

A three-state battery switch blocks reverse current from the drive unit when an e-bike changes from a higher-voltage battery to a lower one.

Integrated casing fins enlarge pouch cell surface area, improving air cooling and heating while avoiding the cost and complexity of liquid systems.

Combining ionically conductive and non-conductive dielectric particles prevents aggregation, boosts polarization, and keeps Li-ion cell resistance low.

Flexible wing clamps secure grouped battery assemblies against axial movement while keeping the mounting structure lightweight and simple.

A press-fit sealing element fixed to the battery top cover seals the fill hole without using internal space, easing gas buildup and valve stress.

Segmented battery compartments use intake and exhaust manifolds with check valves to regulate airflow and limit cascading thermal events.

Combining voltage, temperature, and communication anomalies enables earlier battery thermal runaway detection without adding cell sensors.

A dual-interface charge adapter links a battery and AC power adapter at once, enabling seamless cordless-corded tool use without duplicate supplies.

Two negative electrode regions with different powder OI values improve ion intercalation and suppress dendrites near the tab.

Segmented prismatic battery stacks use side barriers to improve compression uniformity and limit thermal runaway propagation.

Higher cathode packing efficiency and tailored electrolyte additives cut interface reactions, improving high-voltage cycling and low-temperature discharge.

A boron-containing ternary alloy coating protects high-nickel cathodes, improving thermal stability, cycling life, and high-temperature storage.

A detachable manifold with integrated seals keeps battery module coolant flow reliable while enabling in-line rework and easier maintenance.

Integrating the side plate and busbar holder on one battery-cell side simplifies module assembly and improves space efficiency.

Expandable conductive tabs absorb electrode stack expansion and contraction, reducing stress while preserving battery cell connections.

A staggered vent hole and venting channel create a tortuous path that slows battery vent byproducts and blocks ingress from neighboring arrays.

A gas-filled cavity between opposing insulation layers cuts battery pack heat loss in cold conditions while liquid cooling plates help hold a stable temperature.

Nb segregation at primary-particle grain boundaries helps a Ni-rich lithium-ion cathode keep high capacity while suppressing oxygen release.

Merging the side plate and busbar holder on the cell terminal side reduces alignment steps, simplifies assembly, and saves module space.

A flex-circuit welding tab passes through the bus bar carrier to contact the cell surface, improving temperature accuracy while simplifying sensor integration.

A corrugated intermediate plate separates fluid paths to keep battery temperatures uniform at lower coolant flow and system power.

Fluorinated carbonate electrolyte compounds stabilize the positive electrode interface at high temperature, improving Li-ion cycle retention and limiting swelling.

Connecting channels between battery pack compartments spread thermal runaway gas before staged venting, reducing heat buildup and explosion risk.

Leaked coolant is captured inside a containment space and drained outside the battery tray to protect cells and high-voltage components.

A salt hydrate PCM uses polymeric stabilizers and nucleating agents to reduce supercooling and improve crystal uniformity in thermal storage.

Battery fan output is adjusted from battery and cabin temperatures to stay quieter than the AC blower without direct air-conditioner signals.

An open-frame cell-to-pack battery separates the electrical box and adds multisided cooling and vent gas collection to cut complexity and improve serviceability.

A nanofiber-ceramic separator mesh improves electrolyte infiltration, puncture resistance, and thermal stability in lithium-ion batteries.

A polymeric battery tray assembly integrates terminal engaging elements with a self-retaining hold down mechanism for secure installation.

Mechanical assembly with compression seals connects cooler ducts to manifolds, preserving tube flatness and strength lost during brazing.

Signal processing unit compares critical parameters from connected battery packs to prevent deep discharge and extend service life.

Ion-conductive solid coating on lithium nickel-manganese-cobalt oxide prevents gas generation and structural collapse during high temperature cycling.

Flash sintering creates low-resistance metal-ceramic interfaces via pulsed electric fields, solving poor wetting issues in solid-state batteries.

A floating battery connector mounting structure accommodates size variations and insertion methods, ensuring reliable electrical connections.

Insulating thermal compounds enable efficient heat conduction through extruded aluminum profiles while preventing short-circuit risks at battery terminals.

Curved pipe structure prevents rotation during thermal expansion, maintaining coupling reliability and cooling performance.

Hinged busbar plates accommodate electrode post height variations while integrated terminals prevent additional welding steps.