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  2. Nickel–metal hydride battery - Wikipedia

    en.wikipedia.org/wiki/Nickelmetal_hydride_battery

    A nickelmetal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium.

  3. Battery Directive - Wikipedia

    en.wikipedia.org/wiki/Battery_Directive

    Rechargeable nickelmetal hydride AA batteries are among the types of batteries that the Battery Directive allows its general use.. The Directive 2006/66/EC of the European Parliament and of the Council of 6 September 2006 on batteries and accumulators and waste batteries and accumulators and repealing Directive 91/157/EEC, commonly known as the Battery Directive, regulates the manufacture ...

  4. Eneloop - Wikipedia

    en.wikipedia.org/wiki/Eneloop

    Panasonic's fourth-generation Eneloop batteries, in AA and AAA sizes Panasonic Eneloop Smart & Quick Charger BQ-CC55 Sanyo Eneloop battery charger. Eneloop (Japanese: エネループ, Hepburn: Enerūpu), stylized as eneloop, is a brand of 1.2-volt low self-discharge nickelmetal hydride (NiMH) rechargeable batteries and accessories developed by Sanyo [1] and introduced in 2005.

  5. Comparison of commercial battery types - Wikipedia

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

    Rechargeable alkaline: 5–100 [14] Nickel–zinc: 100 to 50% capacity [14] Nickel–iron: 65–80 5,000 Nickel–cadmium: 70–90 500 [26] Nickel–hydrogen: 85 20,000 [32] Nickelmetal hydride: 66 300–800 [14] Low self-discharge nickelmetal hydride battery: 500–1,500 [14] Lithium cobalt oxide: 90 500–1,000 Lithium–titanate: 85 ...

  6. Nickel battery - Wikipedia

    en.wikipedia.org/wiki/Nickel_battery

    Nickel–iron battery, a type of rechargeable battery using nickel(III) oxide-hydroxide positive plates and iron negative plates, with an electrolyte of potassium hydroxide; Nickelmetal hydride battery, a type of rechargeable battery with the negative electrodes use a hydrogen-absorbing alloy instead of cadmium

  7. Rechargeable battery - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_battery

    Nickel–cadmium batteries have been almost completely superseded by nickelmetal hydride (NiMH) batteries. The nickel–iron battery (NiFe) was also developed by Waldemar Jungner in 1899; and commercialized by Thomas Edison in 1901 in the United States for electric vehicles and railway signalling. It is composed of only non-toxic elements ...