期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 32, 期 7, 页码 8657-8667出版社
SPRINGER
DOI: 10.1007/s10854-021-05529-x
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资金
- UGC, New Delhi [41-885/2012]
- DST-SERB [SERB/F/1699/2018-19]
Hierarchical mesoporous nickel hydroxide (alpha-Ni(OH)(2)) nanoparticles were prepared using an inexpensive and green co-precipitation technique. The alpha-Ni(OH)(2)-activated carbon (AC) composite electrode showed higher specific capacitance and better capacitance retention compared to pure alpha-Ni(OH)(2). These composite materials have potential for use in next generation electrochemical supercapacitors.
Hierarchical mesoporous nickel hydroxide (alpha-Ni(OH)(2)) nanoparticles have been prepared by an inexpensive, simple, and green co-precipitation technique. The alpha-Ni(OH)(2)-activated carbon (AC) composite films have been fabricated onto a stainless steel substrate by the doctor blade method through the incorporation of AC into alpha-Ni(OH)(2) nanoparticles. The electrochemical performance of the composite electrode material is evaluated by varying the concentration of AC in the composite. As compared to pure alpha-Ni(OH)(2), the alpha-Ni(OH)(2)-AC composite exhibits a more specific capacitance of 436 Fg(-1) and noteworthy long-term capacitance retention of 81% after 1500 cycles. The alpha-Ni(OH)(2)-AC composite electrode materials will be the potential candidates for fabrication of next generation electrochemical supercapacitors.
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