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Wärtsilä hybrid propulsion system with methanol engine to power four SAL heavy lift vessels; wind farm installations

Green Car Congress

They will also be the first methanol capable ships to employ a variable speed main engine in a hybrid installation. The Energy Storage system will be based on Lithium-Titanium-Oxide (LTO) batteries, which can handle higher amounts of deep cycles than normal Lithium-ion based systems.

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Balqon Corporation introduces HIQAP industrial lithium-ion packs to replace lead-acid batteries

Green Car Congress

Balqon Corporation, a developer of heavy-duty electric vehicles, drive systems and lithium battery storage devices, has introduced high-capacity lithium-ion batteries as an alternative to the current industrial deep cycle lead acid batteries.

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Volvo Trucks NA offers battery-powered parking cooler

Green Car Congress

Volvo Trucks North America introduced a battery-powered parking cooler as a factory-installed option for its VNM 630, VNL 630, VNL 670, VNL 730 and VNL 780 sleeper models. Power comes from the combined energy of the truck starting batteries paired with four AGM deep cycle batteries located in the in-frame battery box.

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Industry study finds lead-acid to remain most wide-spread automotive energy storage for foreseeable future; new chemistries continue to grow

Green Car Congress

Advanced lead-based batteries (AGM and EFB technologies) are installed to meet extra requirements in start-stop and basic- micro-hybrid vehicles, due to their increased charge recoverability and higher deep-cycle resistance. This is expected to be the situation for the foreseeable future, according to the report.

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Ioxus Developing Higher Power Density Ultracapacitors

Green Car Congress

The module is compact and can be installed in about an hour. The use of the module also prevents the battery from deep cycling, extending the life of the battery.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

Green Car Congress

However, the authors note, to date EES (almost exclusively pumped hydroelectric storage) contributes to only about 2% of the installed generation capacity in the United States. This type of application requires high round-trip energy efficiency and a long deep-cycle life, along with low operation and maintenance costs.

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Scoping out the Trunk

Open Source Civic EV Kit

I'm not completely decided on the battery for this project, but I'm targeting a group-31 size so that people can use Optimas, Dekas, Odysseys, or even Wal-Mart deep cycle specials (they're only $75!) This intended design may not be as elegant as some, but it's sure simple and easy to install.