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Net Zero by Narsi is a series of brief posts by Narasimhan Santhanam (Narsi), on decarbonization and climate solutions.
See all Net Zero by Narsi posts from here.Connect with our director

(All my decarbonization posts here – ??? ???? ?? ????? – https://lnkd.in/g84YZXWt )

In an earlier post ( https://lnkd.in/g6UtxXHG ), we saw how hydrogen has an absorbing story in its energy density. It’s a tale of two densities – very high gravimetric density, and extremely low volumetric density.

What are the implications of this life of contrasts?

????, ??? ???: Hydrogen should be your go-to green fuel in the future if you are looking for the highest bang (energy) for your buck when your buck is measured in weight.

?? ??? ???? ????: You are going to be a brave chap (or one promoting a new circus in town) if you use hydrogen for anything that moves, without reducing its volume: at an energy density of 2.7 Wh/liter at STP, you will require a hydrogen tank that’s about 25000 liters (25 m3) for a typical Tesla electric car running with a 75 kWh battery pack. A Tesla’s overall “volume” will be about 15 m3 (5m x 2m x 1.5m).

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Net Zero by Narsi

Insights and interactions on climate action by Narasimhan Santhanam, Director - EAI

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???? ??, ???? ???????? ???? ???? ?? ????? ????? ??? ???? ?? ??? ??? (25 ?3/15). You will be the proud source of healthy merriment and laughter all around town.

The obvious implication of the above: ??????? ???????? ???? ?? ???????? ???? ?? ?? ?? ?????????? ??? ???? ????????????, ??? ??? ??? ???????? ????????????.

The less obvious implication: ?? ????? ??? ??????????? ?????????? ????? ???? ???? ???? ???????? ???????.

One more less obvious implication: ??? ??????? ?? ?????? ???????? ?? ??? ??? ????? ?? ?? ????????! (business case for producing hydrogen where it is needed)

Hydrogen is like one of those hyper-energetic, mischievous youngsters who can do amazing things when their energy is utilized but can be quite expensive in many ways when asked to sit idle.

Where significant hydrogen needs to be stored – and these use cases will dominate in the future with land, water, and air mobility sectors eyeing hydrogen as a fuel…

…welcome to the dynamic world of hydrogen storage. That will be another post.

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About Narasimhan Santhanam (Narsi)

Narsi, a Director at EAI, Co-founded one of India's first climate tech consulting firm in 2008.

Since then, he has assisted over 250 Indian and International firms, across many climate tech domain Solar, Bio-energy, Green hydrogen, E-Mobility, Green Chemicals.

Narsi works closely with senior and top management corporates and helps then devise strategy and go-to-market plans to benefit from the fast growing Indian Climate tech market.

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