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你做电池异常过充,应该是空电池吧
* F+ o( b7 h/ z i: U7 F( MOvercharging of a rechargeable battery. The battery is charged under each of the
+ {, O' _# W! u- @" t( dfollowing conditions in turn.
6 N) i0 U+ g1 h o7 j$ W2 s• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
# V- r- f$ D3 ^/ athe rated output voltage of the charger, or the maximum charging voltage available) T- k& y. K3 ]( L+ I9 G. C
from the charger (without simulation of faults), whichever is the higher attainable* @4 W3 q3 E& O6 A8 g
value. The battery is then charged for 7 h.
) M% U* @6 [; K; N• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
$ u; F; v) F# q# hrated output voltage of the charger. The battery is charged while briefly subjected to) V6 W) F0 R! C/ m" {
the simulation of any single component failure that is likely to occur in the charging
+ G5 J+ R3 i! r" Y1 ^% E! q. Ycircuit and that results in overcharging of the battery. To minimize testing time, the
% f* N9 ]; g8 O% y( @1 m7 Ofailure is chosen that causes the highest overcharging current. The battery is then
2 R* z7 _8 D2 c; [! scharged for a single period of 7 h with that simulated failure in place. |
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