Electrode fabrication process and its influence in lithium-ion battery performance: State of the art and future trends

Lithium-ion batteries (LIBs) are the main energy storage system used in portable devices. Their outstanding characteristics allied to the growing market of portable devices and electric vehicles provides batteries an increasing trend over the next years. During the past decade, improved materials for LIBs have been developed, with less attention being focused on the manufacturing process, despite its critical influence in battery performance. In the present work, the main electrode manufacturing steps are discussed together with their influence on electrode morphology and interface properties, influencing in turn parameters such as porosity, tortuosity or effective transport coefficient and, therefore, battery performance. A state of art on the main steps of the electrode manufacturing process is presented, together with future directions with respect to LIBs fabrication.

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