Negative electrode sheet architecture: BYDRecent Research Landscape
Inconsistent ion diffusion and mechanical stress during cycling lead to premature battery failure. These innovations engineer the physical structure and coating of the negative electrode to enhance cycle life and charge rates.
What technical problems is BYD addressing in Negative electrode sheet architecture?
Insufficient volumetric energy density
(131)evidences
Mechanical failure and delamination of the active material layer during cycling. Improving structural robustness prevents capacity loss and extends cycle life in high-energy density cells.
Interfacial contact loss
(32)evidences
Discontinuous electrical contact within the electrode matrix limits rate capability and capacity utilization. Establishing a robust conductive network prevents high internal resistance and localized polarization.
Lithium dendrite growth instability
(28)evidences
Mechanical instability and delamination during high-volume manufacturing cycles. Ensuring structural integrity prevents premature cell failure and capacity loss.