Advanced technology: SPBES’ patented CellCoolTM liquid cooling system reduces risk and increases lifespan.
While the above model is not always accurate, it is more reflective in what we call power systems. In energy systems where a slower, more steady output of energy is required, size is totally dependent on capacity. Clients and operators will understand the concept that their vessels are operating underpower or energy requirements and where energy is the driver, we have engineered a battery system where we can simply use the same battery with all of the same components, but with cells that have higher energy density- so we can significantly reduce the footprint of the battery system.
Sustainability: A battery that can last for ten years is a pretty amazing thing, but it will never match the lifespan of the vessel itself. This equates to significant costs to replace a battery system every five or ten years on a vessel that will be
in service for up to 50 years. We took this challenge, and in analyzing a system, realized that while all components will require some maintenance, the most significant reason for ESS replacement was the fact the cells will age.
The answer to continuous replacement (and the capital costs associated with it) is a design that allows us to remove and renew the cells regularly, i.e. every 5 to 10 years.
If we can keep the
bulk of the infrastructure and safety systems in place, then we can reduce the cost of replacing the system to the cost of cell replacement and cell recycling. This radically reduces the total cost of operating an electric or hybrid vessel over its lifetime.
Cell SwapTM has been at the core of our design since 2015, with every module core (regardless of
SPBES
SPBES designs and manufactures high power lithium- ion energy storage. Comprised of the most experienced team in the sector, SPBES is focused on providing value and safety for industrial, marine and grid energy storage applications.
www.SPBES.com
chemistry of the cells) able to be replaced within 30 minutes. SPBES technicians can perform CellSwap refurbishment while the ship is running or in for maintenance. Cell swap means that the battery system life span is now the same as that of the vessel; it is similar to engine maintenance and rebuilds. With this inclusion, the design of the battery system is now in line with marine market requirements. Recycling will have an increasingly prominent role in decision making over the next generation. This is part of the benefit of a cell swap; we can safely support the recycling of the lithium cells and do this at a very low cost and impact of operational budgets. Part of our contracting now is to include end of life recycling with every system. While often overlooked, it is necessary for any company that uses ESS in commercial operations to include this operational expenditure in their impact analysis of utilizing energy storage systems in day to day application.
Where to next? I think that commercial needs are going to continue to drive improvements. Natural evolution of clean maritime propulsion with products such as fuel cells will significantly improve environmental impact and cost-effective operations. Organizations like the IMO and Class and Flag Authorities will continue to motivate us to move the technology forward in order to meet the needs not only of our industry, but those of society as well. We look forward to the challenges of the future and the next generation of developments to come.
Contact information Telephone: +1 (778) 819-1898 Email:
info@spbes.com
Article first published on
www.gCaptain.com and reprinted here by kind permission of Brent Perry, CEO, SPBES.
The Report • March 2020 • Issue 91 | 63
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