Page 29 - HUDCO-SHELTER-OCT21

THEME PAPER

electricity. Unlike e. Carbon capture majority of which are
conventional internal from vehicles sent to landfills for long
combustion engines, Carbon capture is one term storage [Williams
fuel cells based vehicles of the foremost methods Jeremy]. Fire is a
produce no harmful for curtailing greenhouse significant issue with a
tailpipe emissions, gas emissions. huge quantity of tyres
instead these vehicles Incumbent technologies being stored. Fires due to
emit water vapour are inherently inefficient tyres are pretty difficult
and warm air [US due to thermal energy to put out, and they create
Department of Energy, a lot of smoke that carries
2021]. Compressed losses, large footprints, toxic chemicals, like
hydrogen gas is stored or degradation of sorbent carbon monoxide and
in vehicles as fuel which material. [SahagVoskian sulfur oxides, resulting
takes a few minutes to et. al.,2019] from the breakdown of
fill at a hydrogen filling E l e c tr o - s w i n g rubber compounds. From
station. This filling rate Absorption System: An respiratory ailments to
is comparable to fossil electro-swing reactive cancer, these substances
fuel-based vehicles and adsorption system uses can have short- and
a lot less than a battery- an electrochemical cell
operated electric vehicle that binds carbon dioxide long-term health
that can take from an molecules to electrodes effects. [OzdemirDerya]
hour (fast charging) to and lets other gas An alternative to rubber
up to 8 hours to charge. molecules pass through tyres is developed at
Although fuel cells during the carbon NASA. Superelastic,
have higher efficiency capture step. Once the airless and non-
as compared to internal electrodes are filled pneumatic tyres have an
combustion engines with carbon dioxide ability to flex with the
[US Department of molecules it unbinds terrain, unlike current
Energy, 2021], it requires them to be released in rigid wheels. It uses shape
significant energy and a separate chamber. memory alloy which was
cost to produce, transport [MIT News, 2019] originally developed
and store hydrogen Temperature Swing for Martian and lunar
safely. Hydrogen is Absorption (TSA): TSA rovers. These tyres
stored in high-pressure uses high temperature are a great alternative
tanks with up to 10,000 along with hot purge to rubber-based tyres
PSI capacity. Other ways gas or steam to separate due to their long life
of storing hydrogen that carbon dioxide from and non-rubber based
is under development a mixture of gases. material. Air pollution
are bonding hydrogen [Temperature Swing from tyre wear is a
chemically with a Adsorption][Sharma & significant contributor to
material such as François, 2019] non-exhaust emissions
metal hydride or low- and applications of
temperature sorbent f. Super elastictyr e superelastictyres can
materials [Office of tec h n ology help in the reduction of
Energy Efficiency and 1.5 billion tyres are tyre wear pollution.
Renewable Energy,]. dumped each year, the

October 2021 Volume 22 No. 2 - SHELTER 27