Panasonic battery deformation, this phenomenon is not sudden, there is a process, the battery in charge to the capacity of 80 percent or so into the high voltage charging area, at this time the positive plate will be precipitated oxygen, oxygen will pass through the hole in the partition, to the negative electrode, on the negative electrode oxygen resurrection reaction.The reaction will generate heat. With the increase of charging capacity, the rate of oxygen production will increase, and the negative electrode will produce hydrogen. The increase of a large number of gases causes the pressure in the panasonic battery to be too high, resulting in the opening of the safety valve, the gas escape, and finally the performance of water loss.

Similarly, with the increase in the number of panasonic battery cycle, water will reduce, will lead to battery oxygen "channel" becomes very smooth, the oxygen produced by the positive electrode is very easy to pass through the "channel" to the negative electrode.The largest heat capacity in panasonic battery is water. After water loss, the heat capacity of panasonic battery will greatly decrease, and the heat generated will make the temperature of the battery rise rapidly.

In panasonic battery after filtration, battery shrinkage phenomenon of super fine glass fiber clapboard, make positive and negative plate adhesion, resistance increases, the process of charging and discharging heat will increase, then the heat generated by the panasonic battery internal only after the battery slot cooling, heat dissipating capacity is less than the calorific value, can appear the phenomenon of temperature rise.Temperature rise, will cause the battery analysis overpotential reduced gas, gas chromatography, the positive amounts of oxygen through the "channel", on the surface of the cathode reaction, there are a lot of heat, the temperature rise quickly, and will form a vicious circle, is the so-called "hot out of control", the end result is lead to deformation of panasonic battery.

  松下蓄电池的出现变形，这个现象不是突发的，是有一个过程的，电池在充电到容量的百分之八十左右就进入高压充电区，在这个时候呢正极板上会先析出氧气，氧气会通过隔板中的孔，到达负极，在负极上进行氧复活反应。反应时会产生热量，随着充电容量的增加，氧气发生的速度会在增大，负极就会产生氢气，大量的气体增加使松下电池内的压力过超，导致安全阀打开，气体逸出，最终表现为失水。

同样随着松下蓄电池循环次数的增加，水分就会减少，会导致蓄电池氧气“通道”变得很畅通，正极产生的氧气是很容易通过“通道”到达负极。热容减少，在松下蓄电池中热容最大的是水，水损失后，panasonic蓄电池的热容就会大大的减小，产生的热量的就会使蓄电池的温度升高很快。

在松下蓄电池失水后，蓄电池中的超细玻璃纤维隔板发生收缩现象，使正负极板的附着力变差，内阻增大，充放电的过程中热量会加大，然后松下电池内部产生的热量就只能经过电池槽散热，散热量小于发热量，就会出现温度上升的现象。温度上升，就会导致蓄电池析气过电位降低，析气量增大，正极大量的氧气通过“通道”，在负极的表面反应，有大量的热量，使温度快速的上升，就会形成恶性循环，就是所谓的“热失控”，最终的结果就是导致松下蓄电池出现变形的情况。