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你做电池异常过充,应该是空电池吧
2 g/ f5 z5 i6 v! {$ d2 d5 OOvercharging of a rechargeable battery. The battery is charged under each of the
2 O! n! C1 W. l/ |, _' Ofollowing conditions in turn.
0 d, R6 x6 u5 f4 K+ u% x7 o Y• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
, A. M; j) X: } z3 ]# V# uthe rated output voltage of the charger, or the maximum charging voltage available
x' q* A, e# b0 jfrom the charger (without simulation of faults), whichever is the higher attainable! g6 M) Z" U+ \' K, j
value. The battery is then charged for 7 h., V: w' S3 @) _# O
• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
! A- h3 p! @# E- N2 O# Xrated output voltage of the charger. The battery is charged while briefly subjected to
B+ V' d' W/ x Lthe simulation of any single component failure that is likely to occur in the charging
2 {, e2 p3 H5 Z5 H: ]6 rcircuit and that results in overcharging of the battery. To minimize testing time, the$ U+ J# B1 p6 A4 g4 \/ c, r
failure is chosen that causes the highest overcharging current. The battery is then
/ ?/ @. o( n# r8 Z, O' \4 f3 bcharged for a single period of 7 h with that simulated failure in place. |
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