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Cenergy Opens a New Center for ANG

October 8, 2015 in NGVs, Technology by Rich Piellisch  |  No Comments

Fremont Facility for Furthering Lower-Pressure CNG Storage

Cenergy Solutions has opened a test center in Fremont, Calif. for adsorbent natural gas technology – to which it’s applying a new, patent-pending dielectic gas desorption design.

Cenergy Solutions COO and ANG team leader Gary Fanger monitoring ANG cylinders on the firm’s California state experimental vehicle. The company notes that although the cylinders have been specially coated for UV protection, the open installation on the vehicle roof is for developmental purposes only.

Cenergy Solutions COO and ANG team leader Gary Fanger monitoring ANG cylinders on the firm’s California state experimental vehicle. The company notes that although the cylinders have been specially coated for UV protection, the open installation on the vehicle roof is for developmental purposes only.



If successfully commercialized, Cenergy’s ANG technology will allow operators to fill their natural gas vehicles at pressures under 500 psi and get range similar to that available from today’s 3,600-psi compressed natural gas fills.

The technology is applicable to existing CNG cylinders (F&F, April 15). It may also be applied to 350- to 500-psi containers that are lighter and can be designed to fit in various areas of empty space in a vehicle.

NGV Fueling at Home or Business

The technology developed and commercialized at the Fremont center “will enable consumers and businesses to transition gasoline and diesel vehicles to use natural gas and refuel at their homes and businesses,” the company says.

Cenergy is initially testing its ANG technology in conventional CNG cylinders, and plans too to apply it in conformable fuel storage vessels.

EnerG2 CTO Aaron Feaver puts adsorbent material into the first Cenergy ANG test cylinder. Cenergy is initially testing its the technology in conventional CNG cylinders, and plans to apply ANG in conformable fuel storage vessels as well.

Cenergy’s first-generation ANG system is being tested by NW Natural, a natural gas utility company covering Oregon and Southwest Washington, by The Gas Connection in Denver, and by AAAA Generator in California, the company says.

Dielectric Desorption

For later iterations, Cenergy will employ dielectric heating inside the ANG vessel for better natural gas desorption.

The heating “causes the natural gas to release from adsorbents in order to fuel vehicles more efficiently,” the company explains. Equipment is being developed with Communications & Power Industries, which specializes in microwave components.

Nano-Carbon Is the Key

CPI is doing model testing for Generation II ANG cylinders and for a Generation III ANG conformable tank, Cenergy says.

Cenergy’s nano-engineered polymer-based carbon material for ANG is supplied by Seattle-based EnerG2.


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Source: Cenergy Solutions with Fleets & Fuels follow-up

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