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

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Wärtsilä’s hybrid system will feature a variable-speed Wärtsilä 32 main engine capable of operating with methanol fuel. They will also be the first methanol capable ships to employ a variable speed main engine in a hybrid installation.

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New silicon-hydrogel composite Li-ion anode material shows long cycle life, easy manufacturability

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The hydrogel is polymerized in situ , resulting in a well-connected 3D network structure of Si nanoparticles (SiNP) coated by the conducting polymer. A g -1 , the composite electrode exhibited a relatively stable reversible lithium capacity of 1,600 mAh g -1 for 1,000 deep cycles based on the weight of only Si. Click to enlarge.

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Axion supplying PbC batteries to Norfolk Southern for all-battery switcher and working on line-haul hybrid locomotives; micro-hybrid and stationary expansion

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These electrode assemblies are then sandwiched together with conventional separators and positive electrodes to make the battery, which is filled with an acid electrolyte, sealed and connected in series to the other cells. Sustain 80-85% round trip efficiency in PSOC applications; 90-95% in deep cycle applications. PbC battery.

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