現今環保意識抬頭，對於環境友善的生物高分子成為了電解質材料的新選擇，這對於環境的永續發展來說是非常有幫助的。幾丁聚醣大量 、易取得也易改質，可作為膠態電解質材料。 而膠態電解質雖已集結固態和液態的優點，但離子導電度還能有所提升，因此本研究利用改質幾丁聚醣以及添加填充物來提升離子導電度，期望能研究出環保的新型超級電容器。
在鹼性環境下透過水熱法誘導礦化磷羥基灰石，生成 hydroxyapatite(HA)，並利用不同接枝率的羧酸化幾丁聚醣 (CCS1、 CCS2)作為添加劑生成 CCS1-HA、CCS2-HA。 SEM中觀察到HA為較粗較長的奈米顆粒，而 CCS1-HA、 CCS2-HA轉變為較短較細的奈米顆粒 ，平均粒徑長度可以從 131.5nm降至 46.33nm。 TEM中觀察到 HA的晶格原子排列整齊，而 CCS1-HA、 CCS2-HA原子出現了扭曲和錯位，這兩方面都表明了羧酸根對於晶體的生長抑制。
將 HA、 CCS1-HA、 CCS2-HA作為 CCS高分子電解質膜的填充物。以探討加入填料的 CCS電解質膜在超電容中之電化學表現。結果表明，加入填料後在Cyclic voltammogram(CV)、 Galvanostatic charge discharge(GCD)、 Electrochemical impedance spectroscopy(EIS)電化學方法下電化學表現皆有提升。其中在 0.45A/g電流密度下， CCS2-HA有最大的電容 125.14Fg-1以及能量密度 14.08WKg-1。

Hydroxyapatite (HA) was prepared with hydrothermal method within alkaline environment. CCS1-HA and CCS2-HA were induced by using carboxymethyl chitosan (CCS1 and CCS2) with different grafting ratio as defect inducer. From SEM observation, HA was thick and long nanorods, while CCS1-HA and CCS2-HA were short and thin nanorods. From TEM analysis, the lattice atoms of HA were neatly aligned, while the atoms of CCS1-HA and CCS2-HA showed distortion and misalignment, indicating the inhibition of crystal growth by carboxyl group along CCS1 and CCS2.
HA, CCS1-HA, and CCS2-HA were used as fillers for the CCS polymer electrolyte. The electrochemical performance of CCS electrolyte with fillers in supercapacitance was investigated via cyclic voltammogram, galvanostatic charging/discharging, and electrochemical impedance spectroscopy methods. Among them, CCS2-HA has the largest capacitance of 125.14Fg-1 and energy density of 14.08WKg-1 at current density of 0.45A/g.

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