Anode half-cell
Cathode half-cell
Anode half-cell
Cathode half-cell
H +
H O
H
O
Bipolar plate, platinum- or gold-plated titanium
Repeat cells to build stack
Bipolar plate, platinum- or gold-plated titanium
H O
Porous Transport Layer (PTL) cathode, platinum-coated porous titanium with chiral nano-coating
Porous Transport Layer (PTL) anode, platinium- coated porous titanium with chiral nano-coating
PEM eg. PFSA
Anode, Iridium oxide catalyst
Cathode, platinum catalyst
Chiral spin control nano-coating
Chiral spin control nano-coating
Membrane Electrode Assembly (MEA)
PEM - Proton Exchange Membrane or Polymer Electrolyte Membrane
PTL - Porous Transport Layer MEA - Membrane Electrode Assembly
BP or BPP - Bipolar Plate PFSA - Per ourosulphonic acid isomer, eg. Na on™
Figure 4 PEM electrolyser stack architecture and critical components with chiral-coated electrodes
existing catalysts to leverage supply chains, research, and previously invested capital. C-Cell supply chain leverage At the core of the CRT C-Cell membrane- electrode is a mesh of porous stainless steel or nickel. Unlike a pipe, which is intentionally non- porous, this type of component is created by sintering together stainless steel powder. Such powders are also used in additive manufacturing applications to create elaborate 3D shapes.
The C-Cell it is not the only application of this porous metallic mesh type material. Filters, battery components, and porous transport layers for PEM electrolysers also rely on similar materials. The consequence is that the component supply chain is established and has achieved economies of scale that help to reduce the cost of the C-Cell. To create an electrolyser stack, multiple C-Cells are bound together. Each one will be about 1.5m in length and 15mm in diameter.
Anode half-cell
Cathode half-cell
Anode half-cell
Cathode half-cell
OH –
H O
H
O
Repeat cells to build stack
Bipolar plate, stainless steel
Bipolar plate, stainless steel
H O
Nickel knitted mesh
Nickel knitted mesh
Anode, chira l- coated nickel
Cathode, chiral coated nickel
Porous diaphragm, zirconium oxide loaded PPS
Chiral electron spin control nano-coating
Chiral electron spin control nano-coating
PTL - Porous Transport Layer PPS - Polyphenylene sulphide
BP or BPP - Bipolar Plate
Figure 5 Alkaline electrolyser stack architecture with chiral-coated electrodes
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