Precursor Battery Manufacturing

Hanyang University Improves Cobalt-Free Battery Durability

References: prnewswire

Battery precursor management is becoming an important focus for manufacturers developing cobalt-free, high-nickel batteries for electric vehicles and energy storage systems. Researchers at Hanyang University found that exposing cathode precursor materials to air during storage creates subtle chemical defects that accelerate battery degradation over time. By adjusting lithium levels during synthesis, the team restored stable manganese bonding and enabled the cathodes to retain more than 90% of their capacity after extended cycling. Rather than requiring expensive coatings or major production-line redesigns, the approach relies on tighter precursor handling and manufacturing controls

. For battery manufacturers, this offers a practical way to improve product durability while reducing costs associated with premature battery failure and warranty claims. Longer-lasting cobalt-free batteries could also support broader EV adoption, strengthen renewable energy storage systems, and reduce reliance on expensive critical minerals without compromising long-term performance.

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Hanyang University