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owenni2005

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lkl7907

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A further question, what's your aging condition?
Did you do heat treatment after the final sealing?
5Â¥2012-07-07 17:37:25
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lkl7907

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857688363: ½ð±Ò+1, ¸ÐлӦÖú 2012-07-06 16:17:51
Pre-discharge can be used to make the OCV of Li-MnO2 lower. It's very normal in many manufacture.
2Â¥2012-07-06 14:45:24
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owenni2005

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ÒýÓûØÌû:
2Â¥: Originally posted by lkl7907 at 2012-07-06 14:45:24
Pre-discharge can be used to make the OCV of Li-MnO2 lower. It's very normal in many manufacture.

лл£¡Õâ¸öÖªµÀµÄ£¬ÎÒÃÇÊÇרҵµÄï®µç³Ø¹¤³§£¬ÓÐÍêÕûµÄµç³ØÉú²ú¹¤ÒÕ¡£ÎÊÌâÊÇµç³Ø¾­¹ý»¯³ÉºÍÊì³É´¦Àíºó£¬µç³Ø¿ªÑ¹»á»ºÂýÉÏÉý¡£ÏëÇë½Ì£ºµç³Ø¿ªÑ¹Éý¸ßµÄÄÚÔÚÒòËØÊÇʲô£¿ÓÐʲô·½·¨¿ÉÒÔ¿ØÖÆµç³ØµÄ¿ªÑ¹Îȶ¨£¿
3Â¥2012-07-06 16:10:08
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lkl7907

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The key point would be the crystal water amount in MnO2. This is very hard to be eliminated completely by heat treatment. The aim of the predischarge is to make the crytal water away by discharge reaction.

The predischarge condition should have some affects on the targeting. You can do some studies on the current and the time.

In additioin, the moisture control of the whole process is also very important for the targeting control.
4Â¥2012-07-07 17:34:27
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