Inside the Lithium-Ion Battery R&D Lab

From Raw Materials to High-Performance Cells: A Visual Guide with AI Insights

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Panasonic to begin mass-production of long-life Li-ion battery system for solar-powered homes in Europe

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Panasonic to begin mass-production of long-life Li-ion battery system for solar-powered homes in Europe : Panasonic Corporation will begin mass- production this month of a compact, secure and long-life lithium-ion battery system the company has developed for European homes. This marks the first time for the company to produce in volume such a system designed for Europe. The lithium-ion battery system consists of the Panasonic battery module with nominal capacity of 1.35 kWh and a battery management system designed to control charge and discharge of the battery in accordance with customer needs. The battery system stores excess energy generated from the photovoltaic (PV) power system during peak hours of PV generation and discharges the energy as needed, providing a solution as a household battery storage system that helps self-consumption of solar-generated power. It will also enable households to reduce the dependence on grid power and facilitate the further spread of green ener...
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1. Saab planning hybrid based on GM system (Luxury division also shows ethanol-powered concept. Executive declines to set target date for hybrid) GENEVA (Reuters) -- Saab Auto has a hybrid vehicle in development based on technology being developed by parent company General Motors Corp, a senior executive said on Tuesday. Saab will also cut development costs by sharing more parts with other GM (Charts) vehicles, integrating the Swedish brand more closely in GM's operations, Saab Managing Director Jan Ake Jonsson said on the sidelines of the Geneva auto show. Full story 2. Hybrid Car Sales, February 2007 Toyota and Nissan made the big splash this month in their hybrid car sales. Toyota sold 187,330 vehicles, an increase of 12.2 percent over February 2006. Of those, 10.1% were hybrids. Meanwhile, Nissan debuted the Nissan Altima Hybrid. Full story 3. Lotus Hybrid Proton Gen.2 Lotus is looking to break into the hybrid marketplace with a prototype to be unveiled at the Geneva Internatio...
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New high-power Si–graphene composite electrode for Li-ion batteries

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New high-power Si–graphene composite electrode for Li-ion batteries : Northwestern Univ. researchers report on a new high-power Si–graphene composite anode material for Li-ion batteries in the journal Advanced Energy Materials . With current technology, the capabilities of a lithium-ion battery are limited in two ways: energy capacity is limited by the charge density, and charge rate is limited by the speed at which the lithium ions can make their way from the electrolyte into the anode. The Northwestern research team combined two techniques to combat both these problems. First, to stabilize the silicon in order to maintain maximize charge capacity, they sandwiched clusters of silicon between the graphene sheets. This allowed for a greater number of lithium ions in the electrode while utilizing the flexibility of graphene sheets to accommodate the volume changes of silicon during use. Rendering of the composite electrode with sandwiched Si clusters and in-plane defects. Clic...
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