[DOC] [TLE] Battery (electricity) - Wikipedia [PAR] An electric battery is a device consisting of one or more electrochemical cells with 
external connections provided to power electrical devices such as flashlights, 
smartphones, and electric cars. When a battery is supplying electric power, its 
positive terminal is the .... These characteristics made wet cells unsuitable for 
portable appliances. [DOC] [TLE] History of the battery - Wikipedia [PAR] Batteries provided the main source of electricity before the development of 
electric generators ... When the electrodes were completely consumed, the wet 
cell was renewed by ... named William Cruickshank solved this problem by laying 
the elements in a ... These arcs were made of two different metals (e.g., zinc and 
copper)... [DOC] [TLE] Rechargeable battery - Wikipedia [PAR] A rechargeable battery, storage battery, secondary cell, or accumulator is a type 
of electrical ... Battery storage power stations use rechargeable batteries for load-
leveling .... The sum of these potentials is the standard cell potential or voltage. ... 
systemsespecially with lithium-ion cells, because of their origins in primary... [DOC] [TLE] How do batteries work? A simple introduction - Explain that Stuff [PAR] Aug 20, 2016 ... An easy-to-understand look at how batteries and fuel cells work with ... There are 
two electrodes (electrical terminals) and a chemical ... It's important to note that 
the electrodes in a battery are always made from two dissimilar materials (so 
never ... It works because these two different metals have atoms with... [DOC] [TLE] Introduction to NiMH Battery Technology - Cobasys [PAR] Jun 25, 2004 ... The NiMH battery started its life as an evolution from the nickel ... Because of the 
reversal of roles in a secondary cell, the electrodes will be ... Ideal electrodes for 
energy storage in batteries would be made from elements that come from two ... 
Electrodes such as Air (O2) are created by using a conductive... [DOC] [TLE] Battery and Cell Chemistries. Battery primer. - Electropaedia [PAR] The chemical reaction between the electrolyte and the positive (+) electrode ... A 
battery or galvanic cell stores energy in chemical form in its active ... It can be 
considered a special case of a Daniell cell with the two electrolytes being the 
same. .... These outermost electrons, called the valence electrons, determine how 
the... [DOC] [TLE] Lead Acid Batteries - Electropaedia [PAR] Despite these shortcomings Lead acid batteries are still being specified for 
PowerNet ... (36 Volts 2 kWh capacity) because of the cost, but this is probably 
the limit of their ... This heavy metal element makes them toxic and improper 
disposal can be ... Lead acid batteries with electrodes modified by the addition of 
Calcium... [DOC] [TLE] Chem1 Electrochemistry: batteries and fuel cells [PAR] Devices that carry out these conversions are called batteries . ... A secondary or 
storage battery is capable of being recharged; its electrode ... Pb(s) + PbO2(s) + 2 
H2SO4(aq)  2 PbSO4(s) + 2 H2O .... in Plant-type cells made them too heavy, 
and that having acid in contact with any metal ... Nickel-Cadmium (NiCad) cells. [DOC] [TLE] Rechargeable Batteries : Cobalt Development Institute [PAR] Their major components include an anode and a cathode that are separated by a 
... Figure 2 summarises the major applications where these batteries are used 
and ... In Ni-Cd cells, cobalt is used only in the positive electrode (cathode) where 
it ... The lithium-ion rechargeable battery is also called the swing cell because of
... [DOC] [TLE] Energy Sovereignty | Renewable Energy | Clean Energy | Zaiko ... [PAR] Aug 28, 2013 ... Heat & power is generated on-site so there is no energy loss in the transfer ... A 
battery consists of one or more of these cells connected in series ... The simplest 
batteries contain two plates or rods made of dissimilar metals called electrodes. 
... There are two kinds of electrodes, each with a different function. [DOC] [TLE] Ni-Cd Basics - Hangtimes Hobbies [PAR] Ni-Cd BATTERY TRAINING SCRIPT This is a session designed to be an 
overview of sealed battery technology. ... positive electrode working in 
conjunction with an iron negative

Question: NiCad batteries are so named because their electrodes are made using these 2 elements
Answer: nickel & cadmium