Fuel Cell Gas Diffusion Layer Market: Overview
A gas
diffusion layer (GDL) is a main part of a fuel cell. It is usually made of
woven carbon cloth or non-woven carbon fiber paper. The primary objective of
fuel cell GDL is to support the catalyst layer, which provides good mechanical
strength, easy gas access to catalyst and enhance the electrical conductivity.
The GDL is an important supporting material in a membrane electrode assembly
(MEA). Most of the standard gas diffusion layers come with micro porous layer
(MPL) and hydrophobic treatment (PTFE). The micro porous layer and hydrophobic
treatment supports with the contact to the membrane and water management. The
micro porous layer provides a smooth layer with enough surface area, for good
contact with the membrane and catalyst.
The fuel
cell gas diffusion layer acts as an electrode that enables diffusion of
reactant over the catalyst layered membrane. The porosity and surface area of
the gas diffusion layer enables the reactants in the path of bipolar plate to
diffuse along the active area of the membrane. Also, with the amplified surface
area that the fuel cell gas diffusion layer provides, transportation of
electricity from each individual site in the membrane electrode assembly to the
current collector increases. The fuel cell gas diffusion layer maintains the
fuel cell moisture control.
Fuel Cell
Gas Diffusion Layer Market: Key Segments
The global
fuel cell gas diffusion layer market can be segmented based on type,
application, and region. In terms of type, the market can be classified into
carbon fiber paper substrates, carbon cloth substrates, and metal substrates.
Carbon cloth substrates are created to cater to the requirements in hydrogen
and direct methanol fuel cells. These layers are made by proprietary
woven technology. Carbon fiber paper substrates are designed to meet the
requirements in direct methanol fuel cells and hydrogen methanol fuel cell by
proprietary non-woven technology. Metal substrates are mostly applied in
methanol and ethanol fuel cells.
Based on
application, the fuel cell gas diffusion layer market can be divided into
polymer electrolyte fuel cells, hydrogen /oxygen air fuel cells, direct
methanol fuel cells, and others. In the operation of polymer electrolyte fuel
cell, gas diffusion layer plays a vital role. The gas diffusion layer helps in
transporting reactants to the active phase of the electro catalysts and
enabling water removal apart from the active sites to prevent flooding.
The gas diffusion layer offers electron pathways from the catalyst layer back
to rigid flow fields in hydrogen/oxygen air fuel cells. The gas diffusion layer
is used to attain better cell performance to achieve superior water management
for the system in direct methanol fuel cells.
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Fuel Cell
Gas Diffusion Layer Market: Regional Outlook
In terms
of region, the global fuel cell gas diffusion market can be segregated into
North America, Asia Pacific, Europe, Latin America, and Middle East &
Africa. North America is projected to lead the global market during the
forecast period. The market in Asia Pacific is expanding at a substantial pace.
Latin America and Middle East & Africa are expected to account for moderate
share of the global fuel cell gas diffusion layer market.
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Fuel Cell
Gas Diffusion Layer Market: Key Players
Key
players operating in the global fuel cell gas diffusion layer market is include
Toray Industries, INC., Mitsubishi Chemical Corporation., SGL Carbon SE,
AvCarb, Gerard Daniel Worldwide, GKD Gebr. Kufferath AG, AMETEK Inc.,
Engineered Fibers Technology, LLC., and SAINERGY FUEL CELL INDIA PRIVATE
LIMITED.
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