Secondary Cells TRIZ Cases

Layered Li2NiMnO4 positive electrode material stabilizes crystal structure via metal ion substitution, suppressing oxygen desorption during thermal events.

A NaVPO4F cathode delivers 3.98 V using a KTiOPO4-type crystal structure.

Carboxylic acid lithium salt mediates electrode interfaces to reduce irreversible lithium consumption and improve capacity durability.

Direct fluid immersion cooling prevents thermal runaway by merging the battery case with the coolant reservoir to reduce pack mass and volume.

Plug-in connecting elements engage end plate bushings to provide temporary bracing against lithium-ion cell swelling, reducing weight and manufacturing costs.

Metal-coated nanostrands lower electrode resistance to enable faster charging and higher power density.

Spherical particles with high solidity and circularity prevent breakage from pressure application, maintaining charge capacity in lithium-ion batteries.

ZnO coatings on garnet solid electrolytes reduce surface interface resistance, enabling stable lithium infiltration and enhanced battery safety.

Smaller inactive particles fill voids between larger active material grains, reducing lithium ion travel distance and suppressing side reactions.

Nitrile-based electrolyte additives stabilize positive electrode materials, reducing thickness expansion and improving cycle life.

A bus bar uses heat absorbers and a deformable displacement absorber to maintain stable electrical connections between battery cells.

A battery case material blend enhances thermal conductivity to dissipate operational heat.

A battery module design uses a layered phase change composite and lightweight material to manage heat distribution across energy storage cells.

Phosphoranimine compounds stabilize lithium-ion electrolytes, preventing tar formation and flammability at high voltages.