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P a g e

 

|

 

10

 

 

ENERGIZER

 

BATTERY

 

MANUFACTURING

 

VERSION

 

1.2

 

Figure

 

8:

  

Pulse

 

Capability

 

of

 

PP355

 

Batteries

 

0.0001

0.001

0.01

0.1

1

0

200

400

600

800

1000

1200

1400

1600

Maxim

u

m

 

Pu

ls

e

 

Du

ra

ti

o

n

 

(s)

Current

 

(mA)

1.1V

 

Cutoff

1.0V

 

Cutoff

0.9V

 

Cutoff

0.8V

 

Cutoff

 

2.4

 ‐‐ 

Service

 

Maintenance

 

 

Zinc

 

Air

 

batteries

 

are

 

stored

 

with

 

adhesive

 

backed

 

tabs

 

prior

 

to

 

use.

  

These

 

tabs

 

seal

 

the

 

air

 

holes

 

against

 

oxygen

 

and

 

water

 

ingress.

   

To

 

obtain

 

the

 

full

 

battery

 

performance,

 

the

 

tab

 

should

 

be

 

removed

 

only

 

immediately

 

prior

 

to

 

use.

   

When

 

the

 

battery

 

is

 

sealed

 

by

 

the

 

tab,

 

service

 

loss

 

due

 

to

 

self

 

discharge

 

is

 

approximately

 

5%

 

per

 

year.

  

Figure

 

10

 

illustrates

 

the

 

rates

 

at

 

which

 

capacity

 

is

 

lost

 

with

 

the

 

tab

 

on

 

and

 

the

 

tab

 

removed.

 

 

Figure

 

10:

  

Service

 

Maintenance

 

of

 

Energizer

 

Zinc

 

Air

 

Prismatic

 

Batteries

 

 

80%

85%

90%

95%

100%

0

1

2

3

4

R

a

te

d Ca

pa

ci

ty

 (

%

)

Shelf Life (yr)

unsealed
(tab removed)

sealed 
(on tab)

 

 

Summary of Contents for PP255

Page 1: ...Energizer Zinc Air Prismatic Handbook Including performance and design data for the PP355...

Page 2: ...ons 7 2 2 Performance at Other Environmental Conditions 8 2 3 Pulse Capability 9 2 4 Service Maintenance 10 2 5 Activation Time and Air Requirements 11 3 Application and Design Considerations 12 3 1 A...

Page 3: ...h zinc The thin air electrode eliminates the need to contain both reactants in the battery so the majority of the battery can be filled by the zinc anode As a result Zinc Air provides the highest avai...

Page 4: ...y s devices often requiring a thinner battery solution The thinnest round cell available is the AAAA battery at approximately 8 mm and many Lithium Ion rechargeable solutions have a thickness of 5 mm...

Page 5: ...all systems and a continuous 50mA current drain to a 0 9 volt cutoff Figure 3 Comparison of Zinc Air versus Other Battery Technologies 156 450 565 396 371 522 343 890 0 100 200 300 400 500 600 700 80...

Page 6: ...es Energizer Zinc Air Prismatic batteries provide an ideal form factor for devices with a thin profile The family of battery sizes is shown in Figure 5 ranging from AAA Alkaline volume equivalent to t...

Page 7: ...ergizer Zinc Air Prismatic Batteries perform well over a wide range of environmental conditions and in intermittent applications as well Figure 6 contains typical discharge curves for the PP355 under...

Page 8: ...the major markets for both devices and batteries Combinations of daily morning and afternoon temperature and humidity were compiled and analyzed to determine reasonable temperature and humidity extre...

Page 9: ...emperatures and all intermittencies Each battery was exposed to the specified conditions for the entire test duration Figure 9 demonstrates the service obtained from a PP355 battery at 35 C 75 RH 35 C...

Page 10: ...or to use These tabs seal the air holes against oxygen and water ingress To obtain the full battery performance the tab should be removed only immediately prior to use When the battery is sealed by th...

Page 11: ...e PP355 may take a couple of seconds to air up enough to sustain a 50 mW load above 1 volt Based on the time it will take a consumer to remove the tab insert the battery into the device close the batt...

Page 12: ...n sustain For example a device might require 10 mA of current compared to the maximum of 100 mA that a PP355 can sustain This technique works best for devices that have a low average drain rate with l...

Page 13: ...mplished by creating an access path to the sealed volume of air within a device The air access path is designed to allow a desired amount of air to flow to the sealed volume of air which includes the...

Page 14: ...ctrically conductive on all surfaces and flat battery contacts are recommended Leaf spring contacts are preferred over coil springs as coil springs are more prone to shorting Positive contact should b...

Page 15: ...flow to below what is required for device operation Figure 14 Battery Orientation and Device Contacts Reversal Protection Battery reversal protection is recommended for battery operated devices to pr...

Page 16: ...s may take place in the battery which can lead to increased potential for gassing and leakage Energizer recommends that devices are designed to prevent the battery from being discharged below 0 9 volt...

Page 17: ...tests performed include multiple temperature cycling deep discharge direct short thermal abuse abusive charge Safety test performance is consistent with that of standard alkaline and indicates no safe...

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