Positive Electrodes TRIZ Cases

A BAB block copolymer binder improves electrode adhesion and flexibility while lowering film resistance, impedance growth, and metal deposition.

Tungsten-coated high-Ni cathode particles with added lithium carbonate raise capacity while limiting crystal instability and cation mixing.

A Formula 1 electrolyte additive forms a cathode film that suppresses transition metal dissolution and improves high-temperature cycling.

Trace A1 doping in a rock-salt lithium metal composite oxide boosts electron tunneling and Li-ion diffusion to raise battery capacity and energy density.

Sequential alkaline and acid purification removes Al, carbon, Ti, and Cu from iron phosphorus slag to produce battery-grade iron phosphate.

A bimodal single-crystal LCO powder blend improves cathode density while limiting Q floating, Co dissolution, and swelling at high voltage.

Niobium-containing oxide at particle interfaces suppresses side reactions while improving crystal stability and Li-ion diffusion in cathodes.

A gradient Ni-Co-Mn particle structure forms charge transport channels to cut resistance in high-Ni cathodes while preserving battery life.

A mixed solid and hollow cathode particle structure boosts battery output while suppressing gas generation during storage.

Titanium doping plus a surface oxide coating helps Ni-rich cathodes raise output efficiency while preserving high-temperature cycle life.

A spinel-coated layered oxide cathode with ester and cyclic ether electrolyte helps secure lithium transport while suppressing electrolyte decomposition.

A sulfur-rich positive electrode suppresses gas generation and resistance rise during high-temperature lithium battery storage.

A sulfamic-acid additive raises cathode resistance only at high temperature, cutting Joule heat during internal short circuits without hurting normal output.

A sulfonic acid surface layer on Ni-rich layered oxide cathodes helps raise capacity while suppressing reaction resistance in non-aqueous batteries.

Controlled boron addition and granulation lower cathode paste viscosity, preserving productivity while supporting high-output battery cathodes.

A hydrophilic membrane gate confines polyselenides in a carbon-selenium cathode, improving lithium-selenium battery cycling stability.

A single-step M-element distribution in bulk and surface boosts nickel-rich cathode rate capability and thermal stability with less process complexity.

Surface sulfonic acid treatment on high-Ni layered cathodes preserves capacity while improving initial charge-discharge efficiency.

Specific electrolyte additives stabilize SEI films in lithium batteries, cutting high-temperature gas generation while preserving cycle life.

A two-layer cathode uses bundled carbon nanotube networks to cut rolling damage while improving conductivity and battery life.

An amorphous lithium-conductor coating with dispersed ferroelectric ceramic particles lowers cathode reaction resistance without high-temperature processing.

A sulfonic acid compound on Ni-rich NCA cathode particles helps preserve high capacity while improving discharge output at high rates.

A Co-rich spinel and rock-salt coating boosts low-temperature lithium-ion transport while preserving high-voltage cycle life.

A crystalline cathode and 3-6% nitrile electrolyte additive suppress interface oxidation, improving hot-box pass rate and high-temperature cycling.

Two-step oxygen heat treatment and washing recycle high-nickel cathodes while cutting fluorine, residual lithium, and acid-based process cost.

Controlling EMD potential plus sodium and zinc levels suppresses zinc oxide needles, protecting separators and preserving high-rate discharge.

A heat suppression layer between the current collector and active material helps resist thermal runaway while preserving battery capacity.

Polar acrylic binder chemistry adsorbs lithium polysulfide, limiting electrolyte dissolution and improving Li-S cathode cycle performance.

An ionic conductor coating and low-crack secondary particles improve ternary cathode thermal safety while limiting electrolyte side reactions.

Simulation-guided metal composition raises disordered rocksalt cathode conductivity, cutting carbon additive use while preserving energy density.

EC-PC-SN electrolyte ratios and Mg, Zr, or Al cathode doping suppress gas and impedance growth during high-temperature battery cycling.

A carbon nanotube network boosts conductivity in disordered rocksalt cathodes while reducing conductive additive loading to preserve electrode energy density.

A layered oxide and phosphate cathode preserves active lithium, limits structural damage, and extends high-temperature battery cycling.

A crystalline-amorphous coating layer suppresses oxygen desorption and side reactions while preventing cathode particle separation.

Carbon nanotubes in a dense cathode layer help film-forming additives penetrate small pores, lowering initial resistance and preserving storage capacity.

A mixed solid and hollow positive electrode particle structure boosts battery output while suppressing gas generation and preserving storage characteristics.

Higher sulfur in the positive electrode forms a thin sulfide layer that suppresses gas generation and resistance rise during high-temperature storage.

Ethylene carbonate and film-forming additives stabilize the SEI, limit manganese-driven degradation, and improve cycling at high temperature.

Sodium hydrosulfite in a lithium battery electrolyte forms a protective low-resistance film that reduces DCR, storage gas, and rate loss.

An inorganic particulate aggregate near the collector cushions cathode volume change, reducing cracking and improving battery cycle retention.

Mixed sulfur-carbon composites with different carbon sizes and shapes improve conductivity and suppress polysulfide dissolution in Li-S batteries.

Fluidized-bed heating forms a uniform protective coating on Ni-rich cathode particles, reducing surface reactions, impedance growth, and agglomeration.

A water-based carboxyl polymer binder limits sulfur aggregation and electrode cracking, improving flatness, output, and cycle life.

A bimodal mix of large single particles and small pseudo-single particles cuts rolling cracks while keeping lithium battery resistance low.

A layered Ni-rich cathode uses Li-layer metal control and crystal peak width to curb oxygen release while preserving battery capacity.

A polymer-stabilized lithium carbonate suspension improves cathode dispersion, enabling faster CID activation and better overcharge protection.

Specific electrolyte additives reduce lithium precipitation and improve fast charging, low-temperature output, and battery life.

A two-layer positive electrode balances high filling density and output by placing non-aggregated particles near the core and secondary particles above.

An Al-chelating electrolyte additive stabilizes the cathode interface to cut self-discharge, limit impedance growth, and reduce cobalt use.

A dual-phase positive electrode oxide boosts discharge capacity while protecting crystal structure during high-voltage cycling.