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Center Innovation Fund: GRC CIF

FY15 GRC CIF Safe, High Energy and Performance Na-O2 Battery

Completed Technology Project

Project Introduction

Innovative research on superior catalytic cathode and solid state electrolyte to develop sodium oxygen chemistry as a safe, high energy, cost effective and long cycle life battery.

We propose the development of a new battery system based on sodium (Na)-O2 chemistry with: 1) high theoretical energy of 1600 Wh/kg; 2) equilibrium discharge potential of 2.3V; and 3) rich abundance of Na. Na-O2 is an attractive and promising new system that has potential to achieve a rechargeable battery that exceeds 400 Wh/kg. Li-O2 technology suffers from an irreversible reaction forming Li2O2, yielding a high over-potential, inferior cycling and poor efficiency

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