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ENERGY STORAGE

LIQUID NITROGEN ENERGY STORAGE

AND

THE MTP COMBINED CYCLE GENERATION TECHNOLOGY

Technically speaking, Liquid Nitrogen (LN) energy storage is a misnomer. When the energy comes from the heat that is infused to expand the liquid nitrogen. It is more accurately an energy storage enabler, much the same as the geographical depression that stored hydro needs to descend into.

All thermal power generation requires a heat sink whether it is cooling towers or lakes and rivers as used in Rankine  or Organic Rankine Cycles.

The MTP engine, however, does not go through a change of state and can operate with temperature differentials that are much lower than even ORC installations.

Whereas liquid nitrogen storage has been used in the past to generate power through the subsequent heating and expansion of the LN, it has not proven particularly viable economically over the round trip from liquifying to

re-generation. It relies on extreme peak-shaving circumstances to be profitable.

The MTP Combined Cycle technology creates a synergy between the basic MTP engine and the LN expander engine by using the heat from the heat sink of the basic MTP engine and therefore increasing the gross theoretical efficiency (Carnot) of the process. This combination allows dual generation, much the same as conventional combined cycle methods.

By lowering the heat sink temperature, the source temperature can also be exponentially reduced allowing heat sources including ambient air at 20-30 deg.C, that can’t be used with existing methods.

This opens up a vast number of new generation opportunities.

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