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你做电池异常过充,应该是空电池吧, Z ]5 V% i0 v7 ]4 }
Overcharging of a rechargeable battery. The battery is charged under each of the
: F' Q* Z$ D0 H% D" u$ O9 ~1 C4 Sfollowing conditions in turn.6 c, h# c# w& @$ c% O$ z- Y) W3 F
• The battery charging circuit is adjusted with the battery disconnected to give 106 % of1 V) K; e2 }5 }! q% V" w& I8 ]
the rated output voltage of the charger, or the maximum charging voltage available
: Q, l- ~8 j. A) L( ]0 gfrom the charger (without simulation of faults), whichever is the higher attainable
" B/ Q( d! Q0 ?9 T1 a0 Y$ e- Y' E/ @value. The battery is then charged for 7 h.0 [5 z& a2 L2 R. Z
• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the; d6 }6 @3 V! X5 |# j1 ^
rated output voltage of the charger. The battery is charged while briefly subjected to
6 A: j6 N5 g. T1 R7 Athe simulation of any single component failure that is likely to occur in the charging& w2 D! d! Y" S" t) B( b
circuit and that results in overcharging of the battery. To minimize testing time, the s8 A8 g9 }" C
failure is chosen that causes the highest overcharging current. The battery is then
B$ S* M' |5 _, @" X7 ?+ [charged for a single period of 7 h with that simulated failure in place. |
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