Tunable Ni2P@polypyrrole nanocomposites for efficient hydrogen evolution and high-performance supercapacitors
Jong Hun Kim1, Duong Nguyen Nguyen1,2, Jaekyum Kim1
1School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon, 16419, Republic of Korea. legkim@skku.edu.
Abstract:
A composition-dependent Ni2P@PPy nanocomposite is developed as a multifunctional electrocatalyst-supercapacitor. Upon controlling Ni2P loading, Ni2P@PPy switches functionality, delivering efficient hydrogen evolution (102 mV at 10 mA cm-2) or ultrahigh supercapacitor performance (2961 F g-1 at 10 A g-1), highlighting a rational strategy for integrated energy conversion and storage.
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