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CORVUS RECEIVES FIRST ORDER FOR OFFSHORE CAPACITOR ESS

Tuesday, June 2, 2020 

Corvus Energy says that Kawasaki Heavy Industries (KHI) of Tokyo, Japan has ordered the first commercial unit of a new high-density lithium-ion capacitor energy storage system (ESS) intended for high-power rapid-discharge offshore applications.

Branded Blue Marlin, the product uses lithium-ion capacitor (LiC) cells that safely sustain very high charge/discharge rates of 550 C peak and 200 C continuous, enabling both energy recapture and fast discharge for high-power load handling. It can deliver beyond a million cycles with minimal capacity loss.

Corvus Energy incorporated the LiC technology into the maritime-specific Blue Marlin product under a product development agreement with KHI, first announced in September 2019.

“Corvus Energy has been an outstanding development partner. They have demonstrated high standards in energy storage engineering and marine market expertise throughout this project. Their know-how around thermal management inside battery modules is unmatched and critical to ensuring safe and reliable operation,” said Takeshi Ohata, Managing Executive Officer, KHI.

“This project demonstrates that LiC technology is well-suited to maritime and offshore energy recapture applications,” said Sean Puchalski, EVP Strategy and Business Planning, Corvus Energy. “It provides the best of both worlds—current-handling performance nearing a supercapacitor with improved energy density. When space is at a premium and high power is required for short amounts of time, the Corvus Energy Blue Marlin product is a fantastic solution.”

Corvus Energy will market the Blue Marlin ESS mainly in the Offshore segment for applications with short power fluctuations at a very high power. With its lightweight, ruggedised and high power-density design, Blue Marlin claims significant benefits in such applications. For example, the potential for efficiency improvement through energy recapture is substantial for many of these operations, including heave compensation, drilling draw works, payload lowering, and similar high-power applications. Further, it can handle peaks in the power demand profile. For drilling rigs and vessels with heave compensation systems, this could mean that one or more diesel generators previously used to handle sudden variations in power can be turned off.

“The entire oil and gas industry increasingly commit to invest in green technology to reduce the carbon footprint of their operations,” said Corvus CEO Geir Bjørkeli. “We are pleased that by adding the Blue Marlin, we now offer a complete portfolio to improve energy efficiency in offshore vessel operations as well as rig topside applications.”

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