Solid Electrolytic Capacitors TRIZ Cases

An organofunctional silane bonds the dielectric oxide to a sulfonyl-ion polymer layer, cutting leakage and capacitance loss at high temperature and voltage.

An organofunctional silane links the dielectric oxide to a hydroxy-functional polymer, helping solid electrolytic capacitors hold capacitance and low leakage at high temperature.

Balanced dielectric thickness on both porous foil surfaces helps electrolytic capacitors resist curvature stress while maintaining high capacitance.

A two-layer electrolyte structure combines ion and electron conduction to raise capacitance density in smaller capacitors while preventing ionic liquid leakage.

A ground conductive composite paste fills polymer-layer holes, improving coating uniformity, flatness, and leakage resistance in capacitor elements.

A welded ceramic case and sealed anode chamber improve hermeticity, prevent core deformation, and stabilize ESR in harsh environments.

A crimped case and recessed groove isolate the gasket from welding heat, preserving seal integrity and battery durability.

Insulating plates and a U-shaped adhesive layer protect cut-edge dielectric integrity, reducing leakage current and short-circuit risk.

A metallized through-hole tied to the anode end face cuts connection resistance and corrosion risk in porous-layer capacitors.

A solid polymer and meltable solid electrolyte structure limits evaporation, cushions vibration, and helps repair oxide film cracks.

A resin layer near the seal uses ester-free cured epoxy to prevent hydrolysis and electrolyte contamination that drive ESR increase over time.

Alkali-treated cellulose fiber separators curb hydrolysis in acid-doped conductive polymers, helping solid electrolytic capacitors suppress ESR rise at high temperatures.

A dual-dopant solid electrolyte layer localizes dedoping at leakage-prone edges, cutting leakage current without raising capacitor ESR.

Cold spray removes the exterior body and deposits a metal film on the exposed cathode end, cutting capacitor ESR, ESL, and process cost.

An oleophobic, high-temperature sealing element shields the elastomer seal from hot cooling oil, helping wound capacitors retain capacitance.

Segmented lead frame coating blocks thermal wicking at the encapsulant interface, reducing delamination and extending solid capacitor life.

A melt-and-reseal vent relieves reflow moisture pressure in solid electrolytic capacitors, then blocks oxygen and moisture entry after cooling.

Using silicone-based conductive resin layers on electrode-forming bodies improves moisture resistance while easing design limits and manufacturing constraints.

Separating an immiscible seal-protecting agent from the electrolyte speeds seal permeation at high temperature while preserving low ESR.

A localized solid electrolyte protrusion near the mask layer suppresses leakage current while preserving thin capacitor structure and reflow resistance.

Controlled 165-270 nm anode pores enable thick dielectric formation and polymer impregnation while maintaining high capacitance for high-voltage use.

A dish-shaped metal lid with an engagement portion enables hermetic can sealing by seaming, avoiding costly welding and reducing package weight.

A hermetic metal package with conductive paste and glass-to-metal seals keeps polymer capacitors low-ESR and stable in heat and humidity.

Laser-melting the terminal end before axial pushing forms cleaner battery lead joints with more consistent weld shape and faster production.

Raised protrusions on capacitor electrodes cut leakage risk at tighter spacing, enabling denser stacking and stronger package integrity.

A roughened contact layer on the anode terminal boosts electrode bonding and lowers contact resistance in solid electrolytic capacitors.

An alcohol-coated valve metal powder improves molding stability while reducing carbon residue, mass variation, and leakage current in capacitor anodes.

A conductive polymer layer with insulating fibers or particles replaces the separator to raise capacitance density while suppressing shorts and leakage.

A carbon-chain liquid polymer suppresses permeation and conductive polymer oxidation, helping electrolytic capacitors keep low ESR at high temperatures.

Vertical through-hole routing in an embedded capacitor module shortens regulator-load connections to cut wiring loss, noise, and package size.

Freeze drying and directional freezing create porous tantalum anodes with dendritic voids, preserving surface area and capacitance without pressing.

An interfacial coating and shifted anode connection help solid electrolytic capacitors resist moisture-driven cracking and ESR drift during reflow.

Insulating fibers or particles in a conductive polymer dispersion help block defect adhesion and electrode bridging in electrolytic capacitors.

A non-aqueous electrolyte with conductive particles and a controlled particle-to-separator ratio suppresses ESR rise over time.

Sponge-shaped through holes improve gas escape and polymer impregnation in solid capacitor anode foil without sacrificing core strength.

A polyol-based electrolyte with a low-volatility base suppresses polymer dedoping and oxidation, keeping ESR and leakage low at high temperature.

A graded pore structure with smaller surface pores and larger inner pores boosts capacitor capacity while limiting stress cracks.

A dense organic conductive layer blocks electrolyte penetration, improves solid electrolyte adhesion, and lowers ESR in electrolytic capacitors.

Region-specific anode roughness improves gas discharge away from corners while strengthening the dielectric layer to suppress capacitor leakage current.

Selective low-melting-point coverage on capacitor leads suppresses voids at high temperature while preserving insulation, capacity, and ESR.

An inorganic barrier and metallization coating removes carbon binders to preserve capacitance and low ESR at temperatures up to 350°C.

An amorphous tantalum oxyfluoride dielectric raises dielectric constant beyond Ta2O5, enabling smaller high-capacity capacitors with lower leak current.

Primary and secondary amines suppress esterification in capacitor electrolyte, helping keep ESR and leakage current low.

Capillary-guided bonding in bottom seat plate channels secures wound capacitor pins to substrates, improving shock resistance and preventing circuit breaks.

Guide channels and controlled pin gaps use capillary action to secure wound capacitor connections, improving shock resistance and preventing circuit breaks.

Inositol-based formation electrolytes stabilize tantalum oxide growth and cut anomalous charge current in solid electrolytic capacitors.

Dot-pattern recessed portions in porous capacitor foil spread tension and bending stress to improve tensile strength and folding endurance.

Dual pore regions in the anode body balance high capacitance and low ESR by combining small-surface pores with larger current paths.

A polyhydric alcohol and conductive polymer electrolyte suppresses low-temperature precipitation, lowering ESR while preserving dielectric repair.

Multiple welded joining portions with different areas improve stacked anode connections and reduce ESR variation in solid electrolytic capacitors.

Roughened substrate and adhesive interfaces block moisture ingress in a solid electrolytic capacitor, keeping ESR stable during high-temperature processing.

A neutral-pH gel electrolyte controls gelation while keeping wet electrolytic capacitors low in leakage current and stable at high voltage.

Immersion-based anodising forms a uniform end-surface dielectric on capacitor anodes, enabling high-voltage hybrid capacitors with lower discharge risk.

Roughened lead terminal contact surfaces raise interface adhesion in solid electrolytic capacitors, blocking oxygen and moisture intrusion.

A grooved case and crimped sealing plate keep the gasket out of the weld heat path, preserving seal integrity and service life.

Divalent metal ions trap eluted dopants in the solid electrolyte, stabilizing pH and suppressing ESR drift under heat and humidity.

Using phenol- or amine-cured epoxy near the seal avoids hydrolysis in electrolyte, limiting ESR increase over time.

Limiting hydroxy compounds in the electrolyte suppresses resin hydrolysis near the seal and slows ESR increase in electrolytic capacitors.

Simultaneous clamping, lead forming, polarity testing, and sorting improve capacitor uniformity and remove defective parts before assembly.

Protective layers on exposed capacitor pins prevent bending cracks, enabling flexible installation and more durable package assembly.

A conductive metal oxide coating on the separator cuts high-temperature ESR rise and helps electrolytic capacitors retain stable characteristics.

Insulating layers in the anode foil separation section block air ingress, preserving capacitance and lowering ESR after high-temperature exposure.

Surface slits in the sealing layer redistribute stress in a capacitor element to reduce delamination and limit ESR deterioration.

High-purity sintered silver layers replace silver glue in stacked capacitor packaging to lower resistivity and maintain low ESR.

A chamfered anode corner lets the wire protrude from an intersecting surface, improving volume efficiency and capacitance in a smaller capacitor.

Larger PEDOT/PSS particles and controlled roughness form a buffering capacitor outer layer that resists encapsulation stress and cuts leakage current.

Non-conductive filler in the conductive polymer layer cuts moisture uptake and leakage current while keeping ESR low in tantalum capacitors.

A stacked resin-molded capacitor uses exposed electrode thickness ratios to cut ESR and strengthen external electrode adhesion in smaller packages.

A thin second metal-oxide layer over the primary dielectric boosts electrolytic capacitor capacitance while improving withstand voltage.

An acid-group polymer in the cathode lead-out layer improves adhesion and blocks air permeation, helping electrolytic capacitors maintain low ESR at high temperature.

Low-molecular polyol and glycol in a solid electrolyte improve oxide film repair, cut high-frequency ESR, and reduce leak current.

A hindered phenol elastic member suppresses oxidation and cracking, helping power storage case seals stay intact under heat and sealing stress.

Titanium-zirconium alloy powder replaces tantalum to reduce cost while maintaining high dielectric constant and low leakage current.

Side-mounted terminals on stacked capacitor elements reduce parasitic inductance and resistance while preventing electrode peeling under thermal stress.

Stepped terminal surfaces increase bonding area to prevent detachment from printed circuit boards under external impact.

Segmented solid electrolyte layers resolve the contradiction between low ESR and high leakage current in capacitors.