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你做电池异常过充,应该是空电池吧
7 @; V" Q( K( ROvercharging of a rechargeable battery. The battery is charged under each of the
; P9 r0 o6 i1 w8 d& zfollowing conditions in turn.. p t* S# M6 d: N, D% N
• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
7 I! ~+ g) h" o. m7 D1 @+ ]the rated output voltage of the charger, or the maximum charging voltage available. V) d/ I+ t- f
from the charger (without simulation of faults), whichever is the higher attainable
( C5 }' n. I4 q! q+ K5 m, ovalue. The battery is then charged for 7 h.7 R% {- X G9 E0 e& a. I
• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
l g7 b, z _. p2 g! `3 [rated output voltage of the charger. The battery is charged while briefly subjected to
) l* H5 c- U$ Y. Cthe simulation of any single component failure that is likely to occur in the charging
6 r3 m) f l2 S$ L7 H" ^circuit and that results in overcharging of the battery. To minimize testing time, the
+ M: h" l$ y2 C" F2 Wfailure is chosen that causes the highest overcharging current. The battery is then
/ n9 U g; s; K- X3 T! Lcharged for a single period of 7 h with that simulated failure in place. |
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