国产高清在线精品二区-国产三级韩国三级日产三级-久久国产精品久久久久久-国产丝袜美女-亚洲国产精品无码7777一线

FAQ
You are here:Home >> News >> FAQ
How will the performance of polymer lithium batteries be affected at low temperatures
338 2025-01-20
How will the performance of polymer lithium batteries be affected at low temperatures
1, capacity attenuation
At low temperatures, the viscosity of the electrolyte of the polymer lithium battery will increase. It‘s like when a liquid gets thicker at low temperatures. The ionic conduction rate of the electrolyte slows down, making it difficult for ions to move around inside the battery. For example, at normal temperatures, ions can shuttle smoothly between positive and negative electrodes to ensure the normal charging and discharging process of the battery, but at low temperatures, ion movement is blocked, resulting in a decrease in the output capacity of the battery. In general, when the temperature drops below 0 ° C, the capacity of the battery will begin to decay significantly, and the lower the temperature, the more severe the capacity decay.
2, the discharge capacity is reduced
Low temperature will affect the discharge platform of the battery. The discharge platform refers to the stage in which the voltage of the battery remains relatively stable when a certain current is discharged. At low temperatures, the discharge platform of the battery will drop, resulting in a reduction in the voltage that the battery can provide under the same load, thus reducing the output power of the battery. This means that if used in some equipment with high power requirements, such as power tools, electric vehicles, etc., the battery may not be able to provide enough power, and the performance of the equipment will be greatly reduced. For example, in electric vehicles, the acceleration performance of the vehicle at low temperatures will be significantly weakened, and the driving range will be reduced.
3. The charging acceptance becomes worse
When charging polymer lithium batteries at low temperatures, lithium metal may deposit unevenly on the surface of the negative electrode. This is because the chemical reaction kinetics inside the battery is slowed down at low temperatures, and lithium ions do not embed well in the negative electrode material. This uneven deposition leads to the formation of lithium dendrites. Lithium dendrites are metal lithium like branches, which not only consume the active lithium in the battery, but may also puncture the diaphragm, causing a short circuit inside the battery and causing safety issues. In addition, the charging efficiency of the battery at low temperatures will also be reduced, and it will take longer to fully charge.
主站蜘蛛池模板: 亚洲aⅴ无码专区在线观看 | 中文一国产一无码一日韩| 99久热re在线精品99 6热视频| 亚洲综合久久一区二区| 欧美老熟妇乱大交XXXXX| 韩国午夜理论在线观看| 伊人久久综合精品无码av专区| 久久精品国产99国产精品最新 | 久久亚洲精品色一区| 99视频30精品视频在线观看| 东京热毛片无码dvd一二三区 | 男女猛烈无遮挡免费视频| 国内大量揄拍人妻精品视频| 又色又爽又高潮免费视频国产| 国产真实迷奷在线播放| 精品爆乳一区二区三区无码av| 人妻熟女一区二区aⅴ| 国产精品无码专区av在线播放| 久久综合久久88中字幕文| 东京热人妻无码人av| 99久久无色码中文字幕人妻蜜柚 | 精品久久久无码人妻中文字幕豆芽 | 丁香五香天堂网| 国产一性一交一伦一a片| 国产人妻人伦精品| 国产精品高潮呻吟av久久男男| 日本一本一区二区免费播放| 日韩av片无码一区二区不卡 | 精品亚洲成a人无码成a在线观看 | 亚洲日本va午夜中文字幕| 99热国产这里只有精品9| 国产熟女精品视频大全| 91娇喘????白丝| 综合欧美日韩国产成人| 天天做天天爱夭大综合网| 免费视频欧美无人区码| 国产亚洲欧美日韩二三线| 日韩一区二区三区无码免费视频 | 久久国产精品无码一区二区三区 | 人妻熟女一二三区夜夜爱| 国产99久久久国产精品免费看|