{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Li X"],"funding":["Opening Fund of State Key Laboratory of Heavy Oil Processing","Natural Science Foundation of Shandong Province"],"pagination":["2715"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8537434"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["11(10)"],"pubmed_abstract":["In the aim to go beyond the performance tradeoffs of classic electric double-layer capacitance and pseudo-capacitance, composites made out of carbon and pseudo-capacitive materials have been a hot-spot strategy. In this paper, a nest-like MnO2 nanowire/hierarchical porous carbon (HPC) composite (MPC) was successfully fabricated by a controllable in situ chemical co-precipitation method from oily sludge waste. Due to the advantages of high surface area and fast charge transfer for HPC as well as the large pseudo-capacitance for MnO2 nanowires, the as-prepared MPC has good capacitance performance with a specific capacitance of 437.9 F g-1 at 0.5 A g-1, favorable rate capability of 79.2% retention at 20 A g-1, and long-term cycle stability of 78.5% retention after 5000 cycles at 5 A g-1. Mean"],"journal":["Nanomaterials (Basel, Switzerland)"],"pubmed_title":["Nest-Like MnO2 Nanowire/Hierarchical Porous Carbon Composite for High-Performance Supercapacitor from Oily Sludge."],"pmcid":["PMC8537434"],"funding_grant_id":["ZR2020QE199","ZR2019BEE023","SKLOP202003001"],"pubmed_authors":["Li X","Gong Z","Han D","Wang Z"],"additional_accession":[]},"is_claimable":false,"name":"Nest-Like MnO2 Nanowire/Hierarchical Porous Carbon Composite for High-Performance Supercapacitor from Oily Sludge.","description":"In the aim to go beyond the performance tradeoffs of classic electric double-layer capacitance and pseudo-capacitance, composites made out of carbon and pseudo-capacitive materials have been a hot-spot strategy. In this paper, a nest-like MnO2 nanowire/hierarchical porous carbon (HPC) composite (MPC) was successfully fabricated by a controllable in situ chemical co-precipitation method from oily sludge waste. Due to the advantages of high surface area and fast charge transfer for HPC as well as the large pseudo-capacitance for MnO2 nanowires, the as-prepared MPC has good capacitance performance with a specific capacitance of 437.9 F g-1 at 0.5 A g-1, favorable rate capability of 79.2% retention at 20 A g-1, and long-term cycle stability of 78.5% retention after 5000 cycles at 5 A g-1. Mean","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Oct","modification":"2025-04-04T10:55:30.955Z","creation":"2025-04-04T10:55:30.955Z"},"accession":"S-EPMC8537434","cross_references":{"pubmed":["34685155"],"doi":["10.3390/nano11102715"]}}