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dc.contributor.authorLi, Yananen_US
dc.contributor.authorDeng, Yiruien_US
dc.contributor.authorYang, Jin-Linen_US
dc.contributor.authorTang, Wenhaoen_US
dc.contributor.authorGe, Benen_US
dc.contributor.authorLiu, Ruipingen_US
dc.identifier.citationLi, Y., Deng, Y., Yang, J., Tang, W., Ge, B. & Liu, R. (2023). Bidirectional catalyst with robust lithiophilicity and sulfiphilicity for advanced lithium–sulfur battery. Advanced Functional Materials, 33(44), 2302267-.
dc.description.abstractThe application of lithium–sulfur batteries (LSBs) is immensely impeded by notorious shuttle effect, sluggish redox kinetics, and irregular Li2S deposition, which result in large polarization and rapid capacity decay. To obtain the LSBs with high energy density and fast reaction kinetics, herein, a heterostructure composed by nitrogen-deficient graphitic carbon nitride (ND-g-C3N4) and MgNCN is fabricated via a magnesiothermic denitriding technology. Lithophilic C3N4 with abundant nitrogen-deficient acts as a conductive framework, together with the sulfiphilic MgNCN, lithium-polysulfides (LiPSs) can be effectively captured followed by a regulated Li2S nucleation. Furthermore, the oxidation conversion kinetics can be accelerated as well. As expected, the LSBs with catalytic MgNCN/ND-g-C3N4 as the interlayer exhibit remarkable electrochemical performance with a discharge capacity of 650 mAh g−1 at 4 C. Meanwhile, a low capacity decay of 0.008% per cycle can be reached at 1 C after 400 cycles. Even with a high areal sulfur loading of 5.1 mg cm−2, outstanding capacity retention can be achieved at 0.5 C (64.18%) and 1 C (90.46%). The presented strategy unlocks a new way for the LSBs design with highly efficient catalyst.en_US
dc.relation.ispartofAdvanced Functional Materialsen_US
dc.rights© 2023 Wiley-VCH GmbH. All rights reserved.en_US
dc.subjectEngineering::Chemical engineeringen_US
dc.titleBidirectional catalyst with robust lithiophilicity and sulfiphilicity for advanced lithium–sulfur batteryen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.subject.keywordsCatalytic Effectsen_US
dc.description.acknowledgementThis work was supported by the National Natural Science Foundation of China (52272258), the Beijing Nova program (20220484214), Key R & amp; D and Transformation Projects in Qinghai Province (2021-HZ-808 and 2023-HZ-801), and Key R & amp; D and Transformation Projects in Hebei Province (21314401D), the Fundamental Research Funds for the Central Universities (2023ZKPYJD07), and the Fundamental Research Funds of China University of Mining and Technology (Beijing) - Top Innovative Talents Cultivation Funds for Doctoral Student (BBJ2023033). J.-L.Y. acknowledges support from the China Scholarship Council (no. 202006210070).en_US
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