Development of current collector using one-finish compounding cold-forging technology for x-EV battery cells
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The technological developments of this study represent a core component of x-EV battery cells. In recent years, the development of x-EV-component technology has become very important in the automobile industry because of the reduction in energy resources and environmental problems. An EV battery pack has several modules composed of numerous pouch-type cells. The target product for this technological development is a current collector, which is a core component of a cell. A current collector consists of a positive electrode and negative electrode, and serves to store and release electrochemical energy. The elemental materials used for the anode and cathode current collectors are aluminum and copper, respectively. Mass-production press technology is required to respond to the demand for current-collector parts. Therefore, this study presents a near-net-shape one-finish compounding cold-forging method to reduce manufacturing costs and mass-production defects.
Abstract
The technological developments of this study represent a core component of x-EV battery cells. In recent years, the development of x-EV-component technology has become very important in the automobile industry because of the reduction in energy resources and environmental problems. An EV battery pack has several modules composed of numerous pouch-type cells. The target product for this technological development is a current collector, which is a core component of a cell. A current collector consists of a positive electrode and negative electrode, and serves to store and release electrochemical energy. The elemental materials used for the anode and cathode current collectors are aluminum and copper, respectively. Mass-production press technology is required to respond to the demand for current-collector parts. Therefore, this study presents a near-net-shape one-finish compounding cold-forging method to reduce manufacturing costs and mass-production defects.