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Lithium nickel manganese cobalt oxides (abbreviated NMC, Li-NMC, LNMC, or NCM) are mixed metal oxides of lithium, nickel, manganese and cobalt with the general formula LiNi x Mn y Co 1-x-y O 2. These materials are commonly used in lithium-ion batteries for mobile devices and electric vehicles , acting as the positively charged cathode .
Lithium nickel manganese cobalt oxides, a type of lithium-ion battery technology (such as NCM811), abbreviated NMC, (or Li-NMC, LNMC), or NCM, when fractions (of the non-lithium metals) are not implied by following numbers; Neo-Mitochondrial Creatures, mutants from the Parasite Eve games; Ngam language, ISO 639; Null modem cable
ACHC was established in 1985 by home care health providers to create an accreditation option which was more focused on the needs of small providers. The process began in Raleigh, North Carolina, with the group incorporated in August 1986. The first accredited organization was awarded certification in January 1987.
Accreditation Association for Ambulatory Health Care (AAAHC) Accreditation Commission for Health Care (ACHC) American Board for Certification in Orthotics, Prosthetics & Pedorthics (ABC)
The best NMC batteries exhibit specific energy values of over 300 Wh/kg. Notably, the specific energy of Panasonic’s “2170” NCA batteries used in Tesla’s 2020 Model 3 mid-size sedan is around 260 Wh/kg, which is 70% of its "pure chemicals" value. LFP batteries also exhibit a lower operating voltage than other lithium-ion battery types.
Some types of Lithium-ion batteries such as NMC contain metals such as nickel, manganese and cobalt, which are toxic and can contaminate water supplies and ecosystems if they leach out of landfills. [17] Additionally, fires in landfills or battery-recycling facilities have been attributed to inappropriate disposal of lithium-ion batteries. [18]
Under certain conditions, some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion. As thermal runaway is determined not only by cell chemistry but also cell size, cell design and charge, only the worst-case values are reflected here. [64]
The National Credentialing Agency for Laboratory Personnel (NCA) was a professional association for medical laboratory professionals. It was founded 1978 by members of American Society for Clinical Laboratory Science to enable members of the medical laboratory profession to control the certification process.