A dry electrode for an electrochemical device includes a dry electrode film as an electrode active material layer. The electrode active material layer includes an electrode active material and a binder resin. The binder resin is fibrillated. The electrode active material layer has an average pore…

An apparatus for diagnosing a battery located in a battery system including one or more batteries, the apparatus may include: at least one processor; and a memory configured to store instructions executed by the at least one processor to collect state of charge information of the battery when the…

A positive electrode material powder including a lithium nickel-based oxide represented by Chemical Formula 1 (LiNiCoMMO) and having a degree of single-particle formation, represented by the following Equation (1), of 0.3 to 0.8: In Equation (1), Ris a radius of the igrain as measured by subjecting…