本研究利用簡單操作方法將陰極催化觸媒α相二氧化錳以不同比例之微量導電高分子PEDOT：PSS做表面改質，藉由PEDOT：PSS提供導電路徑給導電度不佳之α相二氧化錳，提升觸媒之導電性，加速電子傳導，進而使空氣電池之電性提升。
實驗以過錳酸鉀及醋酸錳作為前驅物，透過固態法製備α相二氧化錳觸媒，並透過溶膠凝膠法使製備之α相二氧化錳表面有不同比例之微量PEDOT：PSS塗層。在催化觸媒材料之鑑定方面，利用X光繞射儀、傅立葉轉換紅外光譜儀、場發掃描式電子顯微鏡以及場發穿透式電子顯微鏡等分析工具鑑定材料，觀察到由固態法製備之α相二氧化錳為細短棒狀(rod-like)之型態，材料表面有微量PEDOT：PSS之分布。
將不同PEDOT：PSS比例之α相二氧化錳催化觸媒搭配碳材塗佈於碳紙上，製備成空氣陰極進行電化學活性分析，分別測試半電池極化曲線、全電池充放電、交流阻抗分析及鋅空氣全電池放電方析。透過線性掃描伏安法測試結果得到，比例為1 %
PEDOT：PSS之α相二氧化錳在-0.6 V(vs. SCE)下有較高之電流密度-297.67 mA/cm2，以全電池充放電測試其穩定性，發現不論添加多少PEDOT：PSS之α相二氧化錳之庫倫效率皆於90 %左右，透過交流阻抗分析之等效電路可發現比例為1 %PEDOT：PSS之α相二氧化錳不論充放電循環前還是後皆有最小之電荷轉移電阻(Rct)，證明添加1 %PEDOT：PSS之α相二氧化錳有較好之電性表現，以鋅金屬作為陽極測試全電池放電結果，證明PEDOT：PSS塗層不影響電池壽命但使放電電壓提升。

This study use the simple experimental to make α-MnO2 have different ratio of a little bit of PEDOT:PSS coating. PEDOT：PSS provide electronic transmission path to α-MnO2, because α-MnO2 have poor conductivity and promote battery performance.
In this study, α-MnO2 powders were prepared by solvent-free solid state method. Different ratio of PEDOT：PSS/α-MnO2 were prepared by sol-gel method. The materials had been characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM) and field emission transmission electron microscopy (FE-TEM). It was observed that the α-MnO2 prepared by solvent-free solid state method was a rod-like type with a little bit of PEDOT: PSS distribution on the surface of the material.
Different PEDOT: PSS ratio of α-MnO2 catalyst with carbon coated on carbon paper. Preparation of air cathode were used for studying the electrochemical properties by half-cell polarization curve, full-cell charge/discharge test, EIS analysis and zinc air battery discharge test. Linear Sweep Voltammetry (LSV) measurement exhibited the current density of 1 %PEDOT: PSS/α-MnO2 further reached -297.67 mA/cm2 at -0.6 V(vs. SCE). Cycle stability test demonstrated the Coulombic efficiency of any ratio of PEDOT :PSS/
α-MnO2 close to 90 %. EIS analysis revealed 1 %PEDOT: PSS/α-MnO2 has lower Rct. It was demonstrated that 1 %PEDOT: PSS/α-MnO2 was evidently provided with excellent electrochemical activity.

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