什么是锂离子电容器(LIC)
锂离子电容器(LIC)、同时使用锂离子可存储含碳材料作为负电极材料、具有改进的能量密度使用一般的双电层电容器的原理在那里加入锂离子这是一个电容器。正电极和负电极之间的充电和放电的不同原理具有组合负极和锂离子二次电池的正电极的双电层的结构。正电极和负电极的原理是一种不同的非对称电容器、双电层具有这样的结构、结合了正电极和电容器的锂离子二次电池中、正电极充电和物理作用的一个负电极、以形成双电荷层在放电时、负极通过锂的氧化还原反应进行充放电。能量密度高于传统电容器的原因主要是由于通过预掺杂到该负电极而增加负电极的静电容量的事实。
与各种蓄电装置的比较
与各种蓄电装置的配置和特点
锂离子电容器(LIC)是一种结合了高功率密度和高能量密度的新型蓄电装置。与类似的蓄电装置、双电层电容器(EDLC)和锂离子电池(LIB)相比、我们介绍了它的特性。
LIC的存储原理和功能
电气双层电容器(EDLC)的存储原理和功能
锂离子电池(LIB)的存储原理和功能
与各种蓄电装置的特性比较
Lithium Ion Capacitor | Electrical Double Layer Capacitor | Lithium Ion Battery | Lead Acid Battery | |
---|---|---|---|---|
Energy density | Medium (Higher at high current) |
Low | Very high | High |
Power density | High | High | Low (not good for rapid charge) |
Very low |
Rapid charge/discharge | in seconds | in seconds | in hours (Needs a charge control) |
in hours (Needs a refreshing charge) |
Internal resistance | Low | Low | High | Very high |
Low temperature performance | Good | Good | Very bad | Bad |
High temperature performance | Very good (up to 70℃) |
Good (up to 60℃) |
Very bad (up to 40℃) |
Very bad |
Self discharge | Small | Big | Small | Big |
Maintenance | Maintenance free | Maintenance free | Frequent replace required | Frequent replace required |
Lifetime (float / cycling) |
Long | Long | Relatively short | Short (sudden death occurs) |
Safety and flammability | High, flammable | High, flammable | Low, flammable (Self heat up / igniting) |
High, not flammable |
Application | Very high power (Medium energy) |
Very high power (Low energy) |
Medium power (High energy) |
Low power (High energy) |