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  2. Nickel–cadmium battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–cadmium_battery

    Ni–Cd batteries contain between 6% (for industrial batteries) and 18% (for commercial batteries) cadmium, which is a toxic heavy metal and therefore requires special care during battery disposal. In the United States , the expected battery recycling cost (to be used for proper disposal at the end of the service lifetime) is rolled into the ...

  3. Comparison of commercial battery types - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_commercial...

    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.

  4. List of UN numbers 2701 to 2800 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_2701_to...

    4.2. Ferrous metal borings or Ferrous metal shavings or Ferrous metal turnings or Ferrous metal cuttings in a form liable to self-heating. UN 2794. 8. Batteries, wet, filled with acid, electric storage. UN 2795. 8. Batteries, wet, filled with alkali, electric storage. UN 2796.

  5. Battery recycling - Wikipedia

    en.wikipedia.org/wiki/Battery_recycling

    Battery recycling is a recycling activity that aims to reduce the number of batteries being disposed as municipal solid waste.Batteries contain a number of heavy metals and toxic chemicals and disposing of them by the same process as regular household waste has raised concerns over soil contamination and water pollution. [1]

  6. Battery Directive - Wikipedia

    en.wikipedia.org/wiki/Battery_Directive

    The 1991 battery Directive's "Article 3; MI; Annex I" stated the prohibition (with exceptions) of marketing: Batteries on the market after 18 September 1992 with: 1.A. more than 25 mg of mercury per cell, except alkaline manganese batteries. 1.B. more than 0.025% cadmium by weight. 1.C. more than 0.4% lead by weight [dubious – discuss]

  7. Restriction of Hazardous Substances Directive - Wikipedia

    en.wikipedia.org/wiki/Restriction_of_Hazardous...

    Directive 2011/65/EU, 3 January 2013 [1] Recast with new legislation. The Restriction of Hazardous Substances Directive 2002/95/EC (RoHS 1), short for Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment, was adopted in February 2003 by the European Union.

  8. Mercury-Containing and Rechargeable Battery Management Act

    en.wikipedia.org/wiki/Mercury-Containing_and...

    In the United States, the Mercury-Containing and Rechargeable Battery Management Act (the Battery Act) (Public law 104-142) [1] was signed into law on May 13, 1996. The purpose of the law was to phase out the use of mercury in batteries and to provide for the efficient and cost-effective collection and recycling, or proper disposal, of used nickel cadmium batteries, small sealed lead-acid ...

  9. Hazardous Materials Transportation Act - Wikipedia

    en.wikipedia.org/wiki/Hazardous_Materials...

    The Hazardous Materials Transportation Act (HMTA), enacted in 1975, is the principal federal law in the United States regulating the transportation of hazardous materials. Its purpose is to "protect against the risks to life, property, and the environment that are inherent in the transportation of hazardous material in intrastate, interstate ...