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htl1986

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11Â¥2011-07-08 11:35:28
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¸ñ¸ñ11

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Originally posted by dtingx at 2011-07-08 11:22:46:
©µçºÍ×ԷŵçÊÇÒ»»ØÊÂÂ  ÓÐʲô°ì·¨¿ÉÒÔ¿´³öÊÇ©µçµçÁ÷±È½Ï´óÔì³ÉµÄ£¿Ð»Ð»£¡ÄãµãÓ¦Öú»ØÌû£¬ÎÒ¿ÉÒÔ¸øÄã½ð±Ò¡£ºÙºÙ

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12Â¥2011-07-08 11:45:57
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¸ñ¸ñ11

ľ³æ (СÓÐÃûÆø)

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Originally posted by htl1986 at 2011-07-08 11:35:28:
»¹ÓнèÎÊÂ¥ÉϵÄ©µçÒ»°ãÊÇʲôԭÒòÒýÆðµÄ°¡£¬Ôõôȥ³ýÕâÖÖÏÖÏóÄØ

Conway×ܽáÁ˼¸´óÔ­Òò£º¡¾Journal of Power Sources 135 (2004) 332¨C343¡¿

(a) Self-discharge at electrodes which have been polarized to overcharge potentials, i.e. beyond potentials corresponding to the thermodynamic decomposition potential
of the solution.

(b) Self-discharge by parasitic processes involving Faradaic impurity reactions (sometimes redox shuttle processes [2]) that can be cathodic or anodic, and may
be diffusion-controlled.

(c) Apparent self-discharge, over relatively short times, following interruption of polarizing currents at porous-C electrodes due to non-uniformity of charge acceptance
down and amongst pores. This can be experimentally observed and physically simulated in the behavior of hardware, multi-element C/R circuits.

(d) A different origin of self-discharge behavior arises at some two-electrode battery configurations where products of charging or corrosion at one electrode become
transferred, by diffusion, to the other electrode which then suffers time-dependent depolarization.

(e) Finally, a more trivial origin of self-discharge can be short-circuit leakage currents between adjacent cathodes and anodes in imperfectly sealed bipolar electrode configurations.
13Â¥2011-07-08 12:02:25
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dtingx

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Originally posted by ¸ñ¸ñ11 at 2011-07-08 11:45:57:
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14Â¥2011-07-08 12:54:49
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sun85

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dtingx(½ð±Ò+2): 2011-07-08 18:33:51
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15Â¥2011-07-08 16:49:10
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dtingx

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Originally posted by sun85 at 2011-07-08 16:49:10:
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16Â¥2011-07-08 18:34:12
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fanny-rual

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17Â¥2011-07-11 11:13:20
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sun85

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