Page 97 - Battery Reference Book

Secondary batteries 2/15
Table 2.8 Energy densities of secondary batteries

Battery system Open circuit On-load Practical energy density Operating
voltage per voltage per W Ndm3 temperature
cell (V) cell (VI h/kg ("(3

Sealed lead-acid
Eagle Picher 2.12 1.50-2.00 18-33 43-85 -40 to 60
Sonnenschein - - 23-34 51-83 -
Other sources 2.10 - 22-33 49-83 -51 to 70
Unsealed lead-acid 2.10 - 15-26 31-122 -54 to 54
Silver-cadrniurri-as cells
Eagle Picher 1.40 0.80- 1.10 24-73 40- 180 -40 to 43
Yardney - - 40-75 91-165 -
Silver-cadmium-as batteries
Eagle Picher I .40 0.80- 1.10 18-44 24-122 -40 to 43
Yardney - - 18-51 - -
SAFT - - 30-7.5 40-150 -47 to 75
Other sources - - 77 171 -
1.40 - 24-120 37-250 -48 to 71
Sealed nickel-cadmium
Eagle Picher 1.30- 1.35 1.00- 1.25 18-44 37-120 -40 to 70
Nife - - 24-35 60-91 -
button mass - - 21-22 61-62 -
round mass - - 22 69 -
round sintered - - 22 78 -
rectangular mass - - 18 37 -
rectangular sintered - - 21 52 -
other sources 1.35 - 26-37 61-85 -40 to 60
Vented nickel-cadmium
Nife 1.35 26-44 61-99 -51 to 60
Nickel-zinc
Eagle Picher 1.85 1.5-1.65 29-55 60-110 -40 to 93
Yardney - - 44 - 77 79-134 -
Other sources 1.71 - up to 66 134 -
- - 33-77 67-134 -48 to 71
Alkaline manganese rechargeable* - - 50 - -
Silver-zinc (theoretical 440 W h/kg)
Eagle Picher:
as cells 1.85 1.30- 1.55 55-209 80-415 -40 to 74
as batteries 1.85 1.30- 1.55 37-114 55-262 -40 to 74
Yardney - - 70-120 120-250
SAFT - - 50-150 80-300 -40 to 75
Other sources, - - 55-220 80-610 -48 to 71
- - 123 220 -
- - 130 - -
Silver-zinc (remotely activated) 1.85 1.20-1.55 11-110 24-240 -35 to 49
Nickel- hydrogen
Eagle Picher 1.40 1.20- 1.30 56-67 55 -18 io 27
Silver-hydrogen
Eagle Picher 1.50 1.00-1.10 90-100 60 4 to 27
Zinc-chlorine* - - 130 - -
Zinc - air* - - 150 - -
Sodium-sulphur" - - 240 - -
Lithium-chlorine* - - 330 - -
Lithium-sulphur* - - 370 - -

'At 5 hrate