Secondary Cells TRIZ Cases

Curable fluid transitions from liquid to solid state, resolving brittleness and poor conformity issues in vehicular battery waste heat management.

A positive electrode uses a spinel-type lithium-nickel-manganese oxide active material combined with an aqueous binder and a protective coating layer.

A battery heating system uses a heat pump to transfer thermal energy from the environment to the pack.

A weldable alumina-based cermet seal ring joins dissimilar materials in energy storage devices.

A lithium ion battery positive electrode uses perovskite structured electron conductive oxides to form composite particles and dispersed networks.

A fluorine-containing ether compound stabilizes non-aqueous electrolytes at high potentials.

Combining large polycrystalline and small monocrystalline particles mitigates gassing from particle crushing while boosting compacted density.

Polyimide insulation prevents vent plate and middle plate contact under thermal stress.

Single-layer module arrangement reduces height and eliminates supporting frames, enabling underfloor installation.

A magnetic heat conducting liquid circulates within a closed housing to distribute temperature across battery units.

A backlight frame with a through aperture positions the high voltage electrode terminal above the opening to reduce parasitic capacitance.

A thermal model calculates internal cell temperature using capacitance and resistance parameters, eliminating surface measurement inaccuracies.

Inert gas convection dries lithium nickel composite oxide faster than vacuum, preventing metallic contamination from mechanical agitation.

A foam block supports a battery pack heat exchanger plate during assembly to prevent deflection and improve thermal interface material distribution.

A binder polymer with specific monomer units stabilizes polyolefin particles in a mixed solvent system for battery electrode coatings.

Asymmetrical heat dissipation members guide coolant flow through battery modules, resolving thermal management challenges in high-power energy storage systems.

A gradient nickel-cobalt-manganese cathode material enhances structural stability and lithium ion movement through compositional variation.

A battery charging circuit stabilizes operation during mode switching using a comparison circuit and slope limit mechanism.

Segmented retention clamps with central ribs reduce weight and maintain rigidity by transitioning from flat plates to stiffened three-dimensional structures.

Equal-length flow paths eliminate complex throttles and pressure losses, ensuring uniform temperature control across battery modules.

A battery module fire-extinguishing pipe embeds metal knitting yarns to maintain structural integrity during thermal runaway events.

An integrated connector balances cell voltages while maintaining a reliable seal through a unified plastic support structure.

Integrating liquid cooling into structural supports eliminates complex pipe processing and glue leakage risks while maintaining effective temperature control.

Precise compositional control of a rare earth-Mg-Ni alloy reduces segregation phase area to improve corrosion resistance and cycle life.

Replacing glass fiber with a polymer material layer prevents electrolyte dissolution and blocks dendrite puncture, extending cycle life by up to four times.

Integrated coolant chambers in the enclosure assembly dissipate heat from multiple sides, extending battery lifespan while managing device complexity.

Crude difluorophosphoric acid reacts with alkali halides to form salts, bypassing expensive high-purity raw material requirements.

A laminated positive electrode structure featuring an electrolyte holding layer with optimized carbonaceous conductive agent ratios to enhance electron transport.

A battery cooling system uses a variable speed fan and control valve to manage coolant flow.

A smart wireless charging system allocates power based on device priority and user-defined policies.

Synthesizing composite oxide core-shell structures with impurity layers increases charge capacity while reducing material costs and improving safety.

An integrated cooling element merges structural support and thermal regulation functions within intersecting walls containing embedded fluid channels.

Throttle pipes with restriction orifices adjust cooling fluid pressure at battery module inlets.

Thermal pyrolytic graphite in a cooling plate reduces cell temperatures and differentials, improving durability.

Enriching lithium with the lighter 6Li isotope accelerates ion transport, reducing mechanical stress on electrodes to extend cycle life.

A fuel cell controller performs forced charging of a secondary battery using an adaptive state of charge threshold.

A battery pack case features a coolant introduction part with a downwardly projected portion to guide liquid flow across stacked cells.

A battery thermal management component uses heat conducting plates and a fluid flow passage to adjust cell temperatures.

Integrated fluid pathways in modular enclosure walls circulate cooling fluid to manage heat, reducing device complexity and manufacturing costs.

Nested fluid channels distribute thermal transfer fluid gradually to maintain uniform battery cell temperature and extend operational life.

A meandering heat exchanger cools battery cells by splitting flow into inlet and outlet halves to prevent thermal runaway from uneven temperature distribution.

Cooling plate flow ducts use perturbing contours to increase coolant turbulence and enhance heat transfer efficiency.

A layered lithium composite oxide positive electrode active material with controlled tap density and dibutyl phthalate absorption.