Structural Characterization of Battery Components

Structural properties, such as surface area, pore size and density, of battery components can be characterized using a variety of different techniques. Examples of gas sorption, mercury intrusion, and capillary flow porometry for anode, cathode, and separator materials, among others, are discussed.

1 Introduction

Research and development professionals in the battery industry are always in search of the most efficient and safest battery technologies to fuel the energy needs of our world today and into the future. In order to optimize their design efforts, battery developers rely on accurate physical property characterization for battery components such as the anode, cathode, or separator. Important properties that guide design include surface area, pore size and pore volume, porosity (% open space), and density.

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