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A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.
Since the early 1990s, the concept has broadened to encompass wider social and economic issues. [ 8 ] The environmental dimension of sustainability includes greenhouse gas emissions , impacts on biodiversity and ecosystems, hazardous waste and toxic emissions, [ 7 ] water consumption, [ 9 ] and depletion of non-renewable resources. [ 6 ]
A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...
The life-cycle greenhouse-gas emissions of solar farms are less than 50 gram (g) per kilowatt-hour (kWh), [99] [100] [101] but with battery storage could be up to 150 g/kWh. [102] In contrast, a combined cycle gas-fired power plant without carbon capture and storage emits around 500 g/kWh, and a coal-fired power plant about 1000 g/kWh. [103]
Argus introduced the Argus Model 21 in 1947, a metal-bodied camera and the company’s first model with an automatic shutter cocking to prevent double exposure and a hot shoe for flash. [3] By the end of World War II, Argus had won the Army-Navy “E” award five times for “excellence in design and manufacture of war-related material".
The lithium–sulfur battery (Li–S battery) is a type of rechargeable battery. It is notable for its high specific energy . [ 2 ] The low atomic weight of lithium and moderate atomic weight of sulfur means that Li–S batteries are relatively light (about the density of water).
The ARGUS-IS, or the Autonomous Real-Time Ground Ubiquitous Surveillance Imaging System, is a Defense Advanced Research Projects Agency (DARPA) project contracted to BAE Systems. ARGUS is an advanced camera system that uses hundreds of cellphone cameras in a mosaic to video- and auto-track every moving object within a 15 square mile area.
Argus retinal prosthesis, also known as a bionic eye, is an electronic retinal implant manufactured by the American company Second Sight Medical Products. It is used as a visual prosthesis to improve the vision of people with severe cases of retinitis pigmentosa .