Sanyo SEB-013SEB-013 Bedienungsanleitung PDF herunterladen (Seite 12)

〔

Features of Coin Type Manganese Dioxide Rechargeable Lithium Batteries

〕

Continued Backup Over One Year

The ML2430, for example, offers one year back up under

continuous discharge of 10μA at 23℃ when the battery is fully

charged or when the battery capacity is the same as the

shipment.

Stable Operating Voltage of 2.5V

Sanyo rechargeable lithium batteries offer a high discharge

voltage of 2.5V, more than twice that of Ni-Cd button cells. So a

single lithium battery can be used to replace two conventional

batteries. They also offer a stable voltage over a long period,

unlike the straight-line voltage drop of capacitors.

Sanyo manganese dioxide rechargeable lithium batteries are high-capacity rechargeable coin-type

batteries. These batteries have a high voltage of 3V compared to Ni-Cd button cells (1.2V). With a low

self-discharge rate and superior charge/discharge cycle characteristics, they have an expected life of

as much as 5 years at room temperature. They are suitable for use as memory backup power sources

and can also be used in combination with solar cells.

3.5

3.0

2.5

2.0

1.5

0 100 200

discharge time in days

300

load : 10μA

temp: 23℃

fully charged

for shipment

400 500

cell voltage (V)

●

Discharge

ML2430

〔

Principles and Structure of Coin Type Manganese Dioxide Rechargeable Lithium Batteries

〕

Manganese Dioxide Rechargeable Lithium Batteries (ML series)

Manganese dioxide, with proven performance, is used as the active material for the positive electrode through Sanyo's developed treatment.

The active material in the negative electrode, lithium aluminum alloy, offers stable cyclic performance with a high discharge voltage.

The electrolyte is made by dissolving lithium salts in a mixed organic solvent.

The charge/discharge reaction of the batteries is as follows:

●

Anode reaction: (Li−AR)

→

←

AR＋Li

＋

＋e

−

●

Cathode reaction: Mn

Ⅳ

O2＋Li

＋

＋e

−

→

←

Ⅲ

O2 (Li

＋

)

●

Overall battery reaction: Mn

Ⅳ

O2＋(Li−AR)

→

←

Ⅲ

O2 (Li

＋

)＋AR

The cell voltage is approximately 3V.

■ Battery Structure

■ Applications

●

Memory backup power sources for computer, MD and

portable cellular phones including PHS.

●

Power source for portable equipment.

●

Hybrid power source when combined with solar cells

●

Memory backup power source for electronic equipment.

■

When the batteries are used with a contact system

● Use nickel-plated phosphor bronze or stainless steel for

terminal materials to make contact with the batteries.

● For stable contact conditions, several N of contact pressure

are recommended for the contact.

negative current collector

cathode (MnO

positive can

negative cap

anode (Li−AR)

gasket

separator＋electrolyte

Rechargeable Lithium Batteries

1 2 ... 7 8 9 10 11 12 13 14 15 16

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