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Lithium-ion battery
hideLithium-ion batteries (sometimes abbreviated Li-ion batteries) are a type of rechargeable battery in which lithium ions move from the anode to cathode during discharge, and from the cathode to the anode when charged.
Lithium ion batteries are common in consumer electronics. They are one of the most popular types of battery for portable electronics, with one of the best energy-to-weight ratios, no memory effect, and a slow loss of charge when not in use. In addition to uses for consumer electronics, lithium-ion batteries are growing in popularity for defense, automotive, and aerospace applications due to their high energy density. However, certain kinds of mistreatment may cause conventional Li-ion batteries to explode.
The three primary functional components of a lithium ion battery are the anode, cathode, and electrolyte, for which a variety of materials may be used. Commercially, the most popular material for the anode is graphite. The cathode is generally one of three materials: a layered oxide, such as lithium cobalt oxide, one based on a polyanion, such as lithium iron phosphate, or a spinel, such as lithium manganese oxide, although materials such as TiS2 (titanium disulfide) were originally used. Depending on the choice of material for the anode, cathode, and electrolyte the voltage, capacity, life, and safety of a lithium ion battery can change dramatically. Recently novel architectures have been employed to improve the performance of these batteries. Lithium ion batteries are not to be confused with lithium batteries, the key difference being that lithium batteries are primary batteries containing metallic lithium while lithium-ion batteries are secondary batteries containing an intercalation anode material.
For more information about Lithium-ion battery, read the full article at
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News tagged with lithium ion battery
Digital Quantum Battery Could Boost Energy Density Tenfold
Dec 22, 2009 |
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(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...
Electric cars rolling out
Dec 16, 2009 |
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(PhysOrg.com) -- Electric vehicles are far from new, but we are still a long way from electric cars being the norm. Now two new electric cars may bring that goal a step closer.
Seattle Charges Up for Electric Cars
Dec 15, 2009 |
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(AP) -- Over the next two years, 2,500 charging stations for electric vehicles will be built in the Seattle area as part of a partnership between Nissan North America and the Electric Transportation Engineering ...
Hi-tech, eco-friendly dream home takes shape in Japan
Dec 14, 2009 |
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On Tokyo Bay, at the edge of the largest urban sprawl on Earth, sits what may be an environmentalist's dream home.
Toyota aims to roll out plug-in Prius in two years
Dec 14, 2009 |
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Toyota Motor said Monday that it plans to begin commercial sales of its first plug-in hybrid vehicle in about two years, aiming to meet growing demand for fuel-efficient cars.
Green cars to get Copenhagen boost
Dec 03, 2009 |
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American drivers fond of their gas guzzlers will have to quickly learn to love greener cars, which are expected to get a big boost from upcoming international climate talks in Copenhagen.
Electric cars need government support: Nissan-Renault CEO
Nov 12, 2009 |
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Electric cars could help China and other countries reduce their dependency on oil but the government must provide incentive to make the shift, Nissan and Renault CEO Carlos Ghosn said Thursday.
New rechargeable zinc-air batteries coming soon
Oct 29, 2009 |
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(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...
Hybrid automaker Fisker to buy shuttered GM plant
Oct 27, 2009 |
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Budding US hybrid car maker Fisker Automotive will reopen a shuttered General Motors plant in Delaware to build fuel-efficient, plug-in cars, the White House announced Tuesday.
Ultracapacitors Make City Buses Cheaper, Greener
Oct 21, 2009 |
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(PhysOrg.com) -- A fleet of 17 buses near Shanghai has been running on ultracapacitors for the past three years, and today that technology is coming to the Washington, DC, for a one-day demonstration. Chinese ...
Toyota unveils 'green' sports car
Oct 06, 2009 |
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Toyota unveiled Tuesday a new lightweight, sporty concept car inspired by an iconic coupe from the 1980s, saying its vision of the future was both mean and green.
The Audi e-tron concept electric car
Oct 02, 2009 |
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(PhysOrg.com) -- Audi has unveiled its new electric car concept, the Audi e-tron at the 2009 Frankfurt Motor Show in Germany.
Panasonic Develops High Energy Lithium-ion Battery Module with High Reliability
Oct 01, 2009 |
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Panasonic Corp. has developed a 1.5 kWh battery module from 18650-type (18 mm in diameter x 65 mm in length) lithium-ion battery cells, which are widely used in laptop computers, to provide energy storage ...
EU warns it will recall iPhones if labs show faulty
Electronics / Consumer & Gadgets
Sep 28, 2009 |
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The European Union's consumer czar warned on Monday that iPhones would be taken off the market if national authorities find manufacturing faults lie behind mystery screen explosions.
Power grid chief touts electric-car payback
Sep 25, 2009 |
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U.S. power grid chief Jon Wellinghoff is touting the long-term cost savings of electric cars, saying the vehicles could earn $1,500 a year in paybacks for their owners when their batteries are connected to the power grid.
