A positive electrode sheet uses a higher elastic modulus in the width direction adjacent to exposed portions to reduce stress concentrations.
A nonaqueous secondary battery electrolyte uses molecular ion salts as charge carriers to enable high ion conductivity across both electrodes.
A lithium metal composite oxide powder features a surface portion containing aluminum, titanium, or zirconium to suppress electrolyte reactions.
Omitting active materials near conductive tabs reduces winding thickness, preventing deformation and maintaining battery capacity during assembly.
Optimized lithium titanium oxide negative electrode resolves mechanical strength versus high-rate performance trade-offs to deliver enhanced battery capacity.
Optimized positive electrode active material powder with controlled particle diameter and specific surface area.
Varying current collector hole sizes adjusts electrolyte permeation to achieve uniform ion doping in electric storage devices.
Perfluoropolyether coating suppresses gas generation from silicon anodes while maintaining high capacity.
A negative electrode active material combines three graphite powders with distinct hardnesses and shapes to balance density and permeability.
A bipolar battery uses a fibrous carbon accumulation thickness absorption member to manage electrode layer variations.
Composite electrolyte additives enhance lithium ion battery safety through synergistic overcharge protection mechanisms.
Optimized negative electrode pore structure enhances large current input-output performance while maintaining high energy density.
Multilayer graphene bonds active material particles, eliminating binder swelling and preserving discharge capacity.
Stacking spinel lithium manganate with smaller composite oxide particles resolves the trade-off between volumetric energy density and output density.
Compressing the separator by 50% at 10 MPa collapses pores to block foreign substance penetration while retaining electrolyte.
An adhesive-free electrode structure utilizes Van der Waals forces to secure active material, resolving conductivity losses from conventional binding agents.
Controlled particle size distribution in the anode composite layer increases energy density while limiting electrolyte reactivity.
A battery separator employs a striped adhesive layer to resolve adhesion versus gas release contradictions, improving winding efficiency.
Aromatic solvent electrolytes stabilize fluoride ions via electrostatic interactions, preventing premature side reactions that limit battery capacity.
Controller integrates evaluation values with correction coefficients to adjust discharge limits.
A layered positive electrode material with a core-shell structure optimizes crystal geometry to enhance lithium ion conductivity.
Blowing hot air then cooling air to 40°C or lower prevents thermal stress wrinkles in nonaqueous electrolyte secondary battery electrodes.
Mixed electrolyte additives form stable SEI membranes to increase lithium-ion battery capacity.
Fluorinated orthoformate diluents reduce flammability and viscosity in localized superconcentrated electrolytes while maintaining ionic conductivity.
Vinylidene fluoride layers between the battery device and laminate film reduce internal resistance by preventing structural damage during vibration shocks.
A positive electrode mixture layer with distinct pore diameter zones balances porosity and conductivity.
Slanted graphene surfaces contact titanium oxide particles to suppress dendrite formation and improve battery safety.
A sodium battery uses a polar solvent electrolyte to enable ion conduction at moderate temperatures.
A composite anode material applies a carbon coating to inhibit electrolyte dissolution and maintain battery stability.
A battery pack housing directs infiltrating water through a dedicated discharge pathway to drain holes.