Rechargeable Nickel Metal Hydride Cylindrical Cell
User replaceable batteries containing more than one sealed nickel metal hydride rechargeable cell for consumer electronic applications 21a 212.
Rechargeable nickel metal hydride cylindrical cell. 13disposal considerations in order to avoid short circuit and heating used varta rechargeable nickel metal hydride cylindrical cells and batteries should. If all ikea customers switched to. Ideal for backup applications. The use of the metal alloy is the underlying reason for the high energy density of the nimh cell compared to other chemistries.
Typical applications for the 18650 li ion are power tools medical devices laptops and e bikes. A variety of cylindrical cell sizes are available providing a capacity range from a few hundred mah to above 10ah. The environmental impact of alkaline batteries is higher compared to rechargeable nickel metal hydride. Varta rechargeable nickel metal hydride cylindrical cells and batteries belong to the category of mercury free battery mercury content lower than 0 0001.
However the negative electrodes use a hydrogen absorbing alloy instead of cadmium a nimh battery can have two to three times the capacity of an. Rechargeable nickel metal hydride cells. The nickel metal hydride nimh cell absorbs hydrogen in the metal alloy makeup of its negative electrode during charge. Rechargeable nimh cylindrical cell family.
Nickel cadmium nicd with a capacity of roughly 600 1000 mah nickel metal hydride nimh in various capacities of 600 2750 mah and lithium ion lithium ion chemistry has a nominal voltage of 3 6 3 7 volts and are referred to as 14500 li ion batteries rather than aa. Nickel metal hydride battery packs are able to accept charge and discharge rates as high as 1c. The nominal voltage rating of the nickel metal hydride cell is 1 2v with energy usable in the range of 1 0v 1 45v per cell. A nickel metal hydride battery abbreviated 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.
The 18650 illustrated in figure 2 remains one of the most popular cell packages. Secondary cells and batteries containing alkaline or other non acid electrolytes. As the cell is discharged the metal alloy releases hydrogen to form water. How to save money on your cell phone bill.
Robustness performance and extended temperature range as well as easy scalability 1 2v system characterize our nimh cells. Rechargeable batteries in the aa size are available in multiple chemistries.