Scalable and high-rate ultra-thick cathodes enabled by a multifunctional ethyl cellulose additive

Key Points

• Ultra-thick cathodes demonstrate significant improvements in conductivity with the addition of ethyl cellulose.
• Conductivity increased by nearly 30% with the multifunctional additive and reached peak performance within a specific voltage range.
• Observational analysis focused on cathode enhance properties through innovative additives to achieve high performance.
• Paving the way for scalable battery applications, this technique may improve energy storage systems in various sectors.