鋰離子混合電容器，透過調節正負電極之間的不同質量比例來達到電量上的平衡，然而正電極儲能的方式為電雙層相對於負極法拉第反應而言電量較為低。為了提高正極電容量，用對位-苯基苯酚高溫鍛燒製備中空多邊形結構的摻雜氮元素(KP-N-900)，使活性碳表面積大於3000m 2 g -1。
透過多壁碳奈米管氧化，才能使錫與硫分布於多壁之奈米碳管上，並使用高溫熱處理可得Sn+SnS@CNT，而10.0A g-1時的電容量約103mAh g-1。
另一方面，KP-N-900的電容值在10 mV s-１下，計算出其深層擴散電容值為44.9F g-1，表面淺層電容值為37.5Fg-1。而在1 mV s-1下，其總電容值為107.1 F g-1，而深層擴散電容值為69.6Fg-1。
在KP-N-900與Sn+SnS@CNT質量比為4：1組成鋰離子混合式電容器其比能量和比功率之間表現出最好特性，與大多數單電極的特性完全不同。鋰離子混合式電容器為4：1的全電池(Full-cell)在比功率為0.15 kW kg-1時比能量為143.3 Wh kg-1，而比功率為16.9 kW kg-1時比能量為23.5Wh kg-1，另外，在穩定性方面，經過100小時維持3.8V後，電容保留率有80%。

The storage capability of lithium ion hybrid capacitor can be upgraded through adjusting the mismatched rate qualities between positive and negative electrodes, since the positive electrode of electrostatic double layer (EDL) stores and releases electricity in a lesser quantity, yet much faster than the negative battery electrode. To increase the EDL capacity, a nitrogen-doped carbon (KP-N-900) of hollow-polygon structure is prepared with para-phenylphenol, achieving a surface area above 3000 m2g-1.
MWCNT must be oxidized and coated with molten tin and sulfur on Multi-wall carbon nanotubes, Sn+SnS@CNT, evidenced by a capacity approximating 103 mAh g-1 at 10.0 A g-1.
On the other hand, The capacitance of KP-N-900 displays a diffusive component 44.9 F g-1 exceeding its capacitive counterpart at 10 mV s-1. And its total capacitance increases to 107.1 F g-1 at 1 mV s-1 with a diffusive component 69.6 F g-1.
Hence, the full cell, with a 4:1 mass ratio of KP-N-900 to Sn+SnS@CNT exhibits an effectual trade-off between its energy and power, quite different from the one-sided dependence on the carbon electrode of most hybrid capacitors. Specifically, this 4:1 full cell stores 143.3 Wh kg-1 at a power level 0.15 kW kg-1, and 23.4Wh kg-1 at power 16.9 kW kg-1. In terms of stability, after maintaining 3.8V for 100 hours, the capacity retention rate is 80%.

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