Angstrom Advanced Water Electrolysis

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Introduction

Hydrogen electrolyte and oxygen electrolyte circulate separately, hydrogen electrolyte pumps into hydrogen cell directly and oxygen electrolyte pumps into oxygen cell directly, and therefore gets higher purity of hydrogen and oxygen gas.

Specifications

H2 capacity	2-500 Nm3/h
O2 capacity	1-250 Nm3/h
H2 purity %	>99.9
O2 purity %	>99.5
Power consumption (DC)	< 4.5 kw.h/m3H2
Electrolyte	30% KOH
Work pressure	0.5-5.0MPa

Electrolysis Process Overview

Electrolysis is the passage of a direct electric current through an ionic substance that is either molten or dissolved in a suitable solvent, resulting in chemical reactions at the electrodes and separation of materials. The main components required to achieve electrolysis are : An electrolyte : a substance containing free ions which are the carriers of electric current in the electrolyte. If the ions are not mobile, as in a solid salt then electrolysis cannot occur. A direct current (DC) supply : provides the energy necessary to create or discharge the ions in the electrolyte. Electric current is carried by electrons in the external circuit. Two electrodes : an electrical conductor which provides the physical interface between the electrical circuit providing the energy and the electrolyte. Electrodes of metal, graphite and semiconductor material are widely used. Choice of suitable electrode depends on chemical reactivity between the electrode and electrolyte and the cost of manufacture.