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Water-soluble Poly(4-styrenesulfonic acid-co-maleic acid)-stabilized Nickel(0) and Cobalt(0) Nanoclusters as Highly Active Catalysts in Hydrogen Generation from the Hydrolysis of Ammonia-Borane

2009 MRS Fall Meeting.

Önder Metina1 and Saim Özkara2

a1 ometin@metu.edu.tr, Middle East Technical University, Chemistry, Ankara, Turkey

a2 sozkar@metu.edu.tr, Middle East Technical University, Chemistry, Ankara, Turkey

Abstract

Water soluble poly(4-styrenesulfonic acid-co-maleic acid), PSSA-co-MA, stabilized nickel(0) and cobalt(0) nanoclusters were prepared for the first time from the reduction of nickel(II) chloride and cobalt(II) chloride by using minimum amount of sodium borohydride shortly before their usage as catalysts in the hydrolysis of ammonia-borane (AB) in the same medium at room temperature. PSSA-co-MA stabilized nickel(0) and cobalt(0) nanoclusters showed high catalytic activity in hydrogen generation from the hydrolysis of AB even at low temperature.

(Received November 11 2009)

(Accepted December 26 2009)

Key Words

  • catalytic;
  • kinetics;
  • energy storage
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