A novel anode material derived from organic-coated ZIF-8 nanocomposites with high performance in lithium ion batteries

Abstract

A general method of preparing nanocomposites from a metal-organic framework coated with hydroxyl, pyrrolyl and/or carboxyl functionalized organics is introduced. Pyrolysis of these nanocomposites gives anode materials with improved discharge capacity (750 mA h g(-1)) and cyclability. They also show enhanced Coulombic efficiency over the initial 5-10 cycles and decreased internal impedance.