ECS-RS Heavy-Duty Hand-Held Electrode Cutter (φ8-50 mm & 25*25-50*50mm) for Coin and Pouch Cell, ERSCPCHDHHEC

Expanding a hand-held cutter's capability to pouch cells introduces specific mechanical challenges: (1) Increased Cutting Force & Edge Distortion: A circular punch distributing force over a φ15 mm diameter has a total cutting perimeter of roughly 47 mm. A modest pouch cell electrode (50*50 mm) has a cutting perimeter of 200 mm. Standard plier-style hand grips cannot generate enough uniform pressure for pouch dimensions. However, the risk is the insufficient, uneven manual force results in severe foil stretching, wrinkling, and coating delamination along the long straight edges of the pouch electrode. A mechanical lever arm or hydraulic assist is mandatory for pouch cell sizes. (2) Alignment and Coating Tolerances: Coin cells are self-centering within the punch slot. Pouch cell electrodes require exact alignment to ensure the coating boundary aligns perfectly with the bare metal tab. Manual cutters for pouch cells must include adjustable magnetic or physical registration guides to ensure repeatability.

References:

S. Chen, et al., Critical Parameters for Evaluating Coin Cells and Pouch Cells of Rechargeable Li-Metal Batteries, Joule, 2019, 3, 1094-1105

T. Marks, et al., A Guide to Li-Ion Coin-Cell Electrode Making for Academic Researchers, J. Electrochem. Soc., 2011, 158, A51.