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The practical uses of lithium–sulfur batteries are greatly restricted by the sluggish reaction kinetics of lithium polysulfides (LiPSs), leading to low sulfur utilization and poor cyclic stability. Using the heterostructure catalysts is an effective way to solve the above problems, but how to further enhance the conversion efficiency and avoid the surface passivation by the insulative Li2S has not been well investigated. Herein, a heterostructure catalyst with rich heterointerfaces was prepared by modifying Mo2N microbelt with SnO2 nanodots. The formed rich interfaces with high accessibility act as the profitable nucleation sites guiding the Li2S 3D growth, which avoids the catalyst surface passivation and facilitates the LiPS conversion. The introduction of SnO2 nanodots also enhances the LiPS adsorption. Thus, the assembled battery with the above catalyst as the cathode additive shows a high capacity of 738.3 mAh g–1 after 550 cycles at 0.5 C with an ultralow capacity decay of 0.025% per cycle. Even with high sulfur loading of 9.0 mg cm–2, good cyclic stability is also achieved at 0.5 C with a low E/S ratio of 5 μL mgs –1. This work shows an effective way to enhance the LiPS conversion kinetics and guide Li2S deposition in Li–S batteries.

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Herein, a graphene-like wrinkled carbon film (WCF) wrapped zinc sulfide (ZnS) spheres hybrid interlayer material was fabricated. Li-S batteries coupled with ZnS@WCF interlayer showed excellent capacity retention and outstanding rate performance.

Caveolin-1 is the principal components of caveolae membranes, implicated in oncogenesis and angiogenesis. Until now, its expression and functional significance in hepatocellular carcinoma (HCC) are still unclear. In the present study, we demonstrated that expression of caveolin-1 was markedly upregulated in HCC patients. In addition, increased caveolin-1 expression correlated positively with the histological differentiation, portal venous invasion, hepatic venous invasion, intrahepatic metastases, and recurrence, suggesting a role for caveolin-1 in the progression of HCC. HepG2 cell line was transfected with pcDNA3.1/caveolin-1 to observe the significance of the change in caveolin-1 expression. We showed that caveolin-1 overexpression could not only protect HepG2 cells from apoptosis but also enhance its migration and invasion by upregulating MMP-2, MMP-9, and VEGF expressions. Collectively, our clinical and in vitro data indicate that the status of caveolin-1 expression may be one of causative factors for the invasion and poor prognosis in HCC.

Lithium–sulfur (Li–S) batteries are considered as a promising next‐generation energy storage technology due to its high energy density over 2500 Wh kg−1 and low cost. Its development and application require to overcome several obstacles including the large volume change, the low electrical conductivity of S/Li2S, and the shuttle effect of lithium polysulfides (LIPSs). In this work, the hollow N‐doped carbon spheres (NHCS) decorated with nanosized SnS2 (NHCS‐SnS2) are synthesized and investigated to host sulfur used as the cathode for Li–S batteries. Highly conductive NHCS offer a large specific surface area and robust confinement for active material S, while SnS2 nanoparticles provide efficient chemisorption of LIPSs and promote the deposition of solid Li2S. The NHCS‐SnS2/S cathode materials deliver a high discharge capacity 1344 mAh g−1 at 0.2 C and a low capacity decay over 200 cycles at 0.5 C. The outstanding cycling stability at 0.2 C with high sulfur loading of 3.0–3.1 mg cm−2 can also be readily attained. The excellent electrochemical performance is attributed to possible triple phase catalytic effect of NHCS‐SnS2 and electrolyte, and such structure permits the full utilization of active materials from S8 to Li2S.

Co3O4 nanoflakes were fabricated using oil bath and calcination methods. Lithium–sulfur batteries with Co3O4–super P interlayer exhibited better performance attributed to the synergistic effects of Co3O4–super P.

Alloying electrodes are regarded as promising anodes for lithium/sodium storage thanks to their multielectron reaction capacity, moderate voltage plateau, and high electrical conductivity. However, huge volume change upon cycling, especially for sodium storage, usually causes the loss of electrical connection between active components and their delaminations from traditional current collectors, thus leading to rapid capacity decay. Herein, a unique 3D current collector is assembled from 1D nanowire arrays anchored on 3D porous Cu foams for constructing core‐shelled Cu@Sb nanowires as advanced sodium‐ion battery (SIB) anodes. The so‐formed hierarchical 3D anode with interconnected 3D micrometer sized pores and abundant voids between nanowires not only effectively accommodates the structural strains during repeated cycling but also ensures the structural integrity and contributes to a uniform ion/electron scattered distribution throughout the whole surface. When employed as anodes for SIBs, the obtained electrode shows a high capacity of 605.3 mAh g−1 at 330 mA g−1, and demonstrates a high capacity retention of 84.8% even at a high current density of 3300 mA g−1. The 3D nanowire arrayed Cu current collector in this work can offer a promising strategy for designing and building advanced alloy anodes for lithium/sodium storage.