Secondary Cells TRIZ Cases

A rechargeable battery uses a lead plate bent at 180 degrees to couple the bare cell and protective circuit board in parallel.

A two-layer positive electrode plate uses a fluorinated polyolefin underlayer to mask metal burrs and prevent internal short circuits.

An isolator unit converts these signals to enable high-voltage side control, eliminating the need for additional low-voltage components.

Pyridine-SO3 complexes stabilize high voltage operation up to 4.8 V by forming protective films that suppress decomposition reactions and extend cycle life.

Propylene carbonate electrolyte uses distinct additives to stabilize electrodes, preventing exfoliation and maintaining capacity retention over extended cycles.

Water-soluble polymer with hydroxyl monomer units enhances binder adhesion in non-aqueous secondary battery electrodes.

Nested tubular sockets and bosses route coolant through the wall thickness, reducing vertical space occupation in battery packs.

An embedded resistive heater cures thermal interface material directly on a cooling plate surface.

Segmented aluminum case bodies clamp pouch cells to prevent short circuits and dissipate heat through internal cooling passages.

A thermally conductive plastic heat sink dissipates heat from stacked flat cells through integrated openings.

Composite cathode material combining lithium transition metal oxide and iron phosphate domains improves capacity retention at elevated temperatures.

A polyolefin separator substrate with controlled low molecular weight content enables rapid pore closure during thermal events.

Phosphoric acid lowers slurry pH to prevent aluminum corrosion, enabling stable cycling of cobalt-free cathodes without toxic solvents.

A battery module uses an integrated connection member to join cells and conduct signals.

Separable frame members vertically mount unit modules to reinforce mechanical strength, preventing short circuits during assembly.

Segmented capacitive electrodes detect precise liquid levels, replacing imprecise contact indicators to prevent electrolyte loss and extend battery life.

A lithium nickel manganese composite oxide with controlled lattice strain and nickel mixing ratio.

Segmented crystallites and aggregated primary particles resolve the contradiction between battery output power and charge/discharge cycle reliability.

Friction stir welding joins multiple plates into a unified case, reducing component count while maintaining sealability.

Asymmetric adhesive tape holds battery modules securely while enabling easy end plate removal during maintenance.

Flanged spacers secure battery cells to maintain airflow channels, preventing heat dissipation issues from swelling.

A cross-linked binder composition enhances electrode adherence through esterification of polyacrylic acid and polyvinyl alcohol.

Siloxane bonds link graphene to positive electrode active material, replacing weak physical adhesion with strong chemical bridges to lower surface resistance.

An insulating film bonds to a narrow fuse within an electrode member substrate to shield the conductive element from mechanical damage during assembly.

Guide walls insert a circuit board into a battery holder slot to align lead plate bending pieces, eliminating manual bending steps during assembly.

Tapered plugin members secure cell stacks to the housing, eliminating screws and improving heat dissipation.

A film winding method maintains transverse distortion during transfer to streamline processing.

Integrating a cooling line inside the housing optimizes installation space and prevents temperature management losses in motor vehicles.

A lithium salt containing P-O and P-F bonds forms a low-resistance coating on the negative electrode, improving low-temperature regeneration characteristics.

A secondary battery protection apparatus uses a single communication line for bidirectional signal transmission between adjacent devices.

A battery top cover assembly seals the liquid injection hole using a dedicated sealing element with a press-fit side wall.

Plastic-sheathed metal reinforcing component provides mechanical stability while preventing heat bridge formation in vehicle battery assemblies.

A cathode material with controlled carbon-to-BET surface area ratio ensures uniform electron conductivity across active particles.

Cyclic ester recrystallization removes insoluble impurities from lithium bis(oxalato)borate, preventing solution turbidity in battery electrolytes.

A coolant proportional valve regulates refrigerant-to-coolant chiller flow in traction battery thermal management systems.

A battery charger uses movable contacts to enable zero insertion force for easy battery handling.