Membranes TRIZ Cases

See how a sulfonated copolymer membrane electrode assembly extracts moisture via ion exchange a

A pressure-linked blocking member cuts off-gas bypass around hollow fiber membranes, improving humidification for fuel cell stack air.

Waste heat from an sCO2 power cycle is reused through an absorption heat pump to cut cooling water and steam demand in brine lithium extraction.

See how a floating seal design enables positive-pressure water filtration without contamination

See how a PCL/ZIF-8 electrospun coating on PPCL@PDA/TAEG membrane achieves 99.9% PM2.5 filtrati

A mechanical gasket seals the humidifier mid-case and cap without resin casting, cutting leakage, production time, and replacement cost.

See how a porous reinforcing material and moisture-permeable membrane laminate increases water

See how a porous reinforcing material laminated with a non-porous membrane achieves higher mois

See how controlled hydrophobic-hydrophilic polymer ratios reduce membrane adhesion during produ

See how coupling ejector cooling with sweeping gas membrane distillation reuses condenser waste

See how ejector cooling waste heat preheats membrane distillation feed streams to reduce energy

See how membrane-based electrodialysis regenerates liquid desiccant using voltage-driven ionic

See how integrating PGMD with ejector cooling converts waste heat into desalination energy, red

Waste heat from an ejector cooling cycle preheats DCMD feed water, enabling desalination and cooling with lower energy use.

See how a thin-film porous polymer membrane achieves vehicle cabin dehumidification at low temp

See how a coiled spiral humidifier with axial flow channels reduces pressure loss, weight, and

See how controlled burr generation and two-step chemical cleaning enhance bonding strength betw

See how an electrochemical regenerator separates salt solutions to drive phase-change heating w

See how upstream heat exchange cools membrane feed while heating concentrate, reducing energy w

See how mechanical packing members replace resin casting in fuel cell humidifiers, using gas pr

See how a semipermeable membrane with ionic liquid coating captures ambient water-group species

See how multilayer hydrogen storage alloy films generate heat through autonomous occlusion and

See how through-openings in flow plates enable perpendicular gas mixing to maximize moisture tr

See how a roughened ceramic barrier with hydrophobic modification blocks water vapor in dry cha

See how controlled calendering with high-fluidity polyester and modified polyester achieves fin

See how inlay-supported semipermeable layers embedded in a frame enable efficient moisture tran

See how redox-assisted electrodialysis regenerates liquid desiccant using ion-exchange membrane

See how optimized feed channel geometry and turbulence-promoting screens enable spiral-wound fi

An annular gap, double-tube space, and circumferential windows redirect gas flow so more hollow fiber membranes contribute to humidification.

See how dry heat treatment at 80-100°C for 48-168 hours removes N,N-dimethylformamide from poly

See how a multi-stage filtration system with graphene-based porous membranes captures microplas

See how a selective membrane and vacuum-driven condensation replace energy-intensive cooling to

See how coextruded microporous multilayer separators with composite additives improve puncture

See how diluting desiccant solution before evaporation and using electrodialysis to transport i

See how pressure equalization across a microporous membrane enables efficient CO₂ removal and O

Multi-stage membrane separation with chilling and permeate recycle balances CNG pipeline quality with higher NGL recovery and lower flaring.

Heat-bonded core-sheath tricot fabric resists collapse under sustained high pressure, helping liquid separation systems maintain flow rate.

See how a movable inner filter brushes against the membrane to capture microfibers, prevent clo

See how electrospun polymeric nanofibers achieve MERV 13 to HEPA filtration with antimicrobial

See how atmospheric pressure plasma creates micro-nano composite structures on polymer surfaces

See how a heat pump and steam recompression unit recover waste heat from 70–150°C exhaust gas t

See how paired hollow fiber membrane contactors with ionic liquid absorbents enable continuous

See how a diffuser-based CO2 adsorption unit uses basic liquid solution and bubble formation to

A hydrophobic outer wall and hydrophilic inner wall cut air trapping and suction pressure while embedded zinc oxide suppresses bacterial growth.

See how multi-functional carboxylic acid crosslinking stabilizes cellulose membranes to prevent

See how hygroscopic separating webs store and evaporate liquid water to reduce humidifier size

A partitioned humidifier combines moisture exchange, cooling, and bimetal flow control to cut pressure loss and fuel cell system size.

Using osmotic pressure instead of refrigeration, this jelly roll membrane assembly extracts freshwater from ambient air or seawater with lower energy use.

Plate-type and spherical inorganic particle layers raise separator tortuosity to curb dendrites and thermal shrinkage in lithium-ion batteries.

Mechanical packing seals hollow fiber humidifier modules without resin casting, reducing process time while preventing gas leakage.

Braided hollow fiber membranes in a modular fuel cell humidifier cartridge reduce gas-flow vibration, limiting fatigue damage and maintenance.

Controlled vapor curing sets pore depth in porous polymer films, enabling low-cost reflectance tuning for solar cells and large-area flexible films.

Waste heat creates concentrated and dilute saline streams for controlled mixing, enabling scalable power or hydrogen generation beyond natural salinity sites.

A cross-linked poly(aryl piperidinium) ionomer balances ion conductivity and dimensional stability for durable low-humidity anion-exchange membranes.

A semipermeable membrane bonds the plastic frame and gasket in one step, cutting humidifier stack plate complexity while keeping leak-tight moisture transfer.

A porous hydrophilic or hydrophobic layer helps ion-exchange membranes resist drying and deformation during cell assembly while preserving CO2 conversion.

A semipermeable membrane bonds the plastic frame and gasket in one molding step, creating leak-tight humidifier stack plates with fewer assembly steps.

A zigzag-pleated humidifier membrane uses a bypass valve to cut pressure loss while maintaining compact moisture transfer in fuel cell systems.

A PE-PP microporous battery separator uses tuned molecular weights and ratios to preserve shutdown function without shrinkage or breakage.

Porous silver-infused carbon aerogel electrodes sustain electric fields without water splitting or gas emission, improving low-conductivity desalination.

Redox-active electrolytes and ion-selective membranes cut electrodialysis energy use while maintaining desalination and adding energy storage.

A polyolefin microporous separator balances porosity and gas permeability with puncture strength to resist shrinkage and breakage at high temperature.

A separated inlet-outlet layout shields hollow fiber membranes from direct gas pressure, extending fuel cell humidifier life and easing cartridge replacement.

A holding member restrains sealing portions in a hollow fiber membrane module, reducing membrane load, damage, and molding complexity.

Metal nanoparticle coating enables through-pore etching in macroporous silicon, overcoming charge depletion and improving mass transport.

Real-time particle counting and pressure-based pore analysis verify filter membranes before replacement or backwash regeneration, reducing scrap.

Corona treatment plus a polyphenol crosslinked coating gives polymer films durable surface tension and stable bonding to metal layers.

Selective cation membranes block Mg and Ca in BPED, enabling direct LiOH and Li2CO3 production from impure brines with CO2 capture.

Alkylene spacers separate piperidinium rings from aromatic units to suppress Hofmann elimination and improve membrane durability in alkaline electrochemical devices.

Branched poly(arylene alkylene piperidinium) polymers curb swelling while preserving ion conductivity and alkali stability in AEM membranes.

A multi-crosslinker cation exchange membrane composition limits phase separation to cut resistance, preserve permselectivity, and reduce brittleness.

A blended HDPE and high-crystallinity polypropylene membrane replaces multilayers to deliver shutdown, meltdown, and lower-cost battery separator production.

Movable cathodes shorten cation diffusion paths and regenerate in air, boosting energy recovery and effluent quality in wastewater treatment.

Controlled 5-20 nm mesopores in polyimide separators block alkali metal dendrite penetration while preserving ion transport in batteries.

Tortuous manifold flow paths and flow directors raise bypass resistance in electrodialysis stacks, improving current efficiency and reducing membrane demand.

Detachable housing parts and a passive bypass seal simplify membrane replacement while lowering pressure loss and preserving mass transfer.

A three-molecular-weight polyethylene blend with plasticizer improves gel extrusion flow while raising separator puncture and tensile strength.

A buffered multi-chamber electrochemical cell extracts lithium from brine and converts it continuously to high-purity products with lower energy use.

Non-destructive flow and pressure testing updates real filter specs and enables timely regeneration to reduce semiconductor scrap.

Segmented flanges and tuned ports spread humid stack gas across the full hollow fiber module, removing dead zones while improving sealing and assembly.

A thermally expanding bypass element adjusts fuel cell off-gas flow around the humidifier without extra valves, cutting complexity and cost.

A thermosensitive blocking member adjusts humidifier bypass opening from off-gas temperature, cutting extra control parts and installation space.

Differential membrane-interface concentrations create one-way osmotic flow, avoiding dilution and clogging for continuous power generation.

Selective impurity removal, electrodialysis, crystallization, and carbonization raise lithium recovery while producing battery-grade hydroxide and carbonate.

Electrospun composite fibers combine polyamide-imide strength with fluorinated ion exchange polymer conductivity for fuel cell membranes at low humidity.

A direct AEM coating composition uses Hansen-selected anti-swelling agents to keep membranes flat without transfer films or CMR solvents.

Large-pore stretched PTFE supports more fluoropolymer electrolyte, limiting swelling and dimensional change while keeping membrane resistance low.

Amino-group fluoropolymer fine filters resist strong acid and alkali PCB liquids while reducing foam adhesion and trapping fine contaminants.

Progressive air filtration and sensor monitoring protect fuel cells from particles and chemical poisoning while limiting downtime in harsh use.

Silane-treated inorganic particles enable uniform polyolefin separator crosslinking while reducing side reactions, die-drooling, and heat shrinkage.

Direct AEM coating uses matched solvents and an antiswelling agent to keep membranes planar without transfer films or CMR solvents.

A bypass in the fuel cell humidifier mid-case redirects gas to ease pressure on hollow fiber membranes, extending life and maintaining humidification.

Selective vapor-permeable tubular membranes transfer water with low pressure drop, cutting blower load and weight in UAS fuel cell systems.

Side plates and sealing connectors create a removable membrane stack enclosure that improves fluid distribution and reduces leakage.

A layered amine-carrier membrane separates CO2 from CO in fuel cell exhaust, enabling high-purity gas streams and CO2-to-CO conversion.

An adjustable mount lets this fuel cell membrane humidifier attach directly to vehicles or buildings while supporting efficient moisture exchange.

Rigid or bulky siloxane substituents curb membrane swelling, improving C3+/CH4 selectivity and C3+ recovery from natural gas.

An antioxidant-infused hydrophilic membrane layer resists strong oxidants while maintaining salt rejection, flux, and longer service life.

PVC in the cation-exchange layer keeps bipolar membranes bonded at 60°C, limiting gluconic acid leakage and preserving current efficiency.

Non-condensable media lowers stillage liquid density for mechanical solid-liquid separation, cutting energy use, emissions, and feed processing cost.

A carboxylated PVC and hydrophilic copolymer blend improves magnesium selectivity while limiting plasticizer bleeding and cation interference.

A thin 2D phyllosilicate coating creates a hydrophilic, oleophobic membrane surface that resists fouling and preserves water flux over reuse cycles.

PVAm-tuned graphene oxide membranes adjust MWCO and permeance across ultra- and nanofiltration while simplifying membrane synthesis.

A gripped single-use deformable tube dampens pump-driven flow pulsation by dynamically changing cross-sectional area while keeping liquid contact low.

Valve-switched forward and discharge modes let an RO circulation pump clear concentrate at lower pressure, cutting fouling, salt buildup, and energy use.

Controlled alkali-metal zeolite composition suppresses excess CO2 adsorption and improves N2 permeation for methane gas separation.

Controlled enzymatic hydrolysis and nanofiltration turn brewer's spent grain into protein powder with lower bitterness and stronger solubility.