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  2. Nickel–cadmium battery - Wikipedia

    en.wikipedia.org/wiki/Nickelcadmium_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...

    Nickel–zinc: 100 to 50% capacity [13] Nickel–iron: 65–80 5,000 Nickelcadmium: 70–90 500 [25] Nickel–hydrogen: 85 20,000 [31] Nickelmetal hydride: 66 300–800 [13] Low self-discharge nickelmetal hydride battery: 500–1,500 [13] Lithium cobalt oxide: 90 500–1,000 Lithium–titanate: 85–90 6,000–10,000 to 90% capacity ...

  4. Jelly roll (battery) - Wikipedia

    en.wikipedia.org/wiki/Jelly_roll_(battery)

    The jelly roll or Swiss roll design is the design used in the majority of cylindrical rechargeable batteries, including nickelcadmium (Ni-Cd), nickel-metal hydride (Ni-MH), and lithium-ion (Li-ion). The design has this name because the cross section of the battery looks like a Swiss roll.

  5. List of battery types - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_types

    Nickelcadmium battery vented cell type; Nickel–hydrogen battery; Nickel–iron battery; Nickel–lithium battery; Nickelmetal hydride battery. Low self-discharge NiMH battery; Nickel–zinc battery; Organic radical battery; Polymer-based battery; Polysulfide–bromide battery; Rechargeable alkaline battery; Rechargeable fuel battery ...

  6. Memory effect - Wikipedia

    en.wikipedia.org/wiki/Memory_effect

    Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...

  7. History of the battery - Wikipedia

    en.wikipedia.org/wiki/History_of_the_battery

    The first consumer grade nickelmetal hydride batteries (NiMH) for smaller applications appeared on the market in 1989 as a variation of the 1970s nickel–hydrogen battery. [27] NiMH batteries tend to have longer lifespans than NiCd batteries (and their lifespans continue to increase as manufacturers experiment with new alloys) and, since ...