Interfacial “double-terminal binding sites” catalysts synergistically boosting the electrocatalytic Li2S redox for durable lithium-sulfur batteries

Catalytic conversion of polysulfides emerges as a promising approach to improve the kinetics and mitigate polysulfide shuttling in lithium-sulfur (Li-S) batteries, especially under conditions of high sulfur loading and lean electrolyte. Herein, we present a separator architecture that incorporates double-terminal binding (DTB) sites within a nitrogen-doped carbon framework, consisting of polar Co0.85Se and Co clusters (Co/Co0.85Se@NC), to enhance the durability of Li-S batteries. The uniformly dispersed clusters of polar Co0.85Se and Co offer abundant active sites for lithium polysulfides (LiPSs), enabling efficient LiPS conversion while also serving as anchors through a combination of chemical interactions. Density functional theory calculations, along with in situ Raman and X-ray diffraction characterizations, reveal that the DTB effect strengthens the binding energy to polysulfides and lowers the energy barriers of polysulfide redox reactions. Li-S batteries utilizing the Co/Co0.85Se@NC-modified separator demonstrate exceptional cycling stability (0.042% per cycle over 1000 cycles at 2 C) and rate capability (849 mAh g-1 at 3 C), as well as deliver an impressive areal capacity of 10.0 mAh cm-2 even in challenging conditions with a high sulfur loading (10.7 mg cm-2) and lean electrolyte environments (5.8 μL mg-1). The DTB site strategy offers valuable insights into the development of high-performance Li-S batteries

A review of the genus Bullanga Navás, 1917 (Neuroptera: Myrmeleontidae)

Zhan, Qingbin, Wang, Xinli (2014): A review of the genus Bullanga Navás, 1917 (Neuroptera: Myrmeleontidae). Zootaxa 3872 (2): 195-200, DOI: 10.11646/zootaxa.3872.2.

First record of the genus Bankisus Navás, 1912 in China, with the description of a new species (Neuroptera, Myrmeleontidae)

A new species of Bankisus Navás, 1912, (Bankisus sparsus sp. n.) is described and illustrated with the genus newly recorded from China. A key to species of Bankisus is provided

Bullanga binaria Navas 1917

Bullanga binaria Navás 1917 (Figs. 1 A, C) Bullanga binaria Navás 1917: 15 Diagnosis. Vertex dark brown, inflated; pronotum trapezoidal, yellow with dense black and white setae and several dark stripes in the middle; forewing veins black and yellow; costal area simple; Rs arises before CuA fork, 2 presectoral crossveins before original of Rs; anterior Banksian line distinct; rhegma area and apical area with big irregular spots; hind wing with a single presectoral crossveins; anterior Banksian line distinct; apical area with big irregular spot; legs slender, spurs straight, curved at apex, subequal to first tarsomere, claws bent back. Redescription. Female: forewing 40 mm, hind wing 42mm. abdomen missing. Head: Face dark brown, abrum, maxillary and labial palpi black; antenna clavate; compound eye dark with black spots, vertex dark brown; thorax (fig. 1 C ): pronotum trapezoidal, yellow with dense black and white setae and several dark stripes in the middle; mesothorax and metathorax dark with several yellow spots; wings: hyaline with several markings, veins yellow and black; forewing costal area simple, widened towards apex, several disconnected spots in subcostal area, Rs arises before CuA fork; 2 presectoral crossveins before original of Rs; 26 veins from origin of Rs to hypostigmatic cell; anterior Banksian line distinct, posterior Banksian line absent; 15 cross-veins in prefork area; a yellowish-brown stripe in anastomosis of CuA and CuP+ 1 A, a irregular spot in rhegma and apical area; 2 A with several branches runs in fairly even curve toward to 3 A; hind wing costal area simple, Rs arises before CuA fork, a single presectoral cross-vein before origin of Rs; anterior Banksian line distinct, without posterior Banksian line; a irregular spot in apical area; 13 cross-veins in prefork area. legs: long and slender; foreleg: femur yellow with several spots and black dense short setae; 5 th tarsomere equal to 1 st tarsomere, tibial spurs straight, curved at apex, reaching to distal region of 1 st tarsomere; claw developed, curves to tarsomere; abdomen: missing. Material examined. 1 ♀, Chapa, Tonkin, French Indo-China, 4500–4800 feet, 1934. VIII. 14–16, Ernest R. Tinkham, CAU-N 100070. Distribution. Vietnam.Published as part of Zhan, Qingbin & Wang, Xinli, 2014, A review of the genus Bullanga Navás, 1917 (Neuroptera: Myrmeleontidae), pp. 195-200 in Zootaxa 3872 (2) on pages 196-198, DOI: 10.11646/zootaxa.3872.2.6, http://zenodo.org/record/22997

Bullanga insolita Banks 1940

Bullanga insolita (Banks) 1940 (Figs. 1 B, D) Dendroleon insolita Banks, 1940: 193, synonymized by Stange 1976: 289. Redescription. Female: forewing 35 mm, hind wing 37 mm. abdomen 23 mm Head: brown and yellow; compound eye dark with black spots, vertex inflated with several transverse dark stripes. thorax (fig. 1 D): anterior portion of pronotum in front with dark marks, trapezoidal, yellow with dense black setae and three longitudinal dark stripes; mesothorax and metathorax yellow with a black stripe in the middle, each side with two black lines; wings: hyaline with no large markings, veins yellow and black; forewing costal area simple, widened towards apex, several disconnected spots in subcostal area, Rs arises before CuA fork; 3 presectoral crossveins before original of Rs; 28 veins from origin of Rs to hypostigmatic cell; anterior Banksian line distinct, posterior Banksian line absent; 13 cross-veins in prefork area; a dark spot in anastomosis of CuA and CuP+ 1 A, a dark mark in rhegma area; 2 A with several branches running in a fairly even curve toward to 3 A vein; hind wing costal area simple, Rs arises before CuA fork, a single presectoral cross-vein before origin of Rs; anterior Banksian line distinct, posterior Banksian line absent; several small spots in apical area; 13 cross-veins in prefork area; legs: yellow with black, foreleg first femur mostly black and with dense short setae, hind femora mostly dark, but a pale stripe each side. tibial spurs longer than the long basal joint of tarsus; abdomen: yellow, dark on sides and at end of joints; darker at tips of joints. Typed material examined. Holotype: 1 ♀, Dong Men Wai, 10 miles west of Weichow, Szechwan, China, 5600–8500 feet, 1933. VII. 8., Graham. Distribution. China: Sichuan ProvincePublished as part of Zhan, Qingbin & Wang, Xinli, 2014, A review of the genus Bullanga Navás, 1917 (Neuroptera: Myrmeleontidae), pp. 195-200 in Zootaxa 3872 (2) on pages 199-200, DOI: 10.11646/zootaxa.3872.2.6, http://zenodo.org/record/22997

Deutoleon Navas 1927

Deutoleon Navás, 1927 Deutoleon Navás, 1927: 19. Type species: Deutoleon turanicus Navás, 1927, by original designation. Diagnosis: Forewing vein CuP originates at or very near basal crossvein, 2 A runs close to 1 A for short distance, then bends at sharp angle toward 3 A, with seven presectoral crossveins. Hindwing with two presectoral crossveins. Hind tibial spurs well developed, at least twice as long as basitarsus. Male ectoproct without postventral lobe. Female without anterior gonapophyses. Male pilula axillaris always absent. Distribution: Asia, Europe.Published as part of Zhan, Qingbin, Li, Sha & Wang, Xinli, 2012, Synopsis of the antlion genus Deutoleon Navás, 1927 in China (Neuroptera: Myrmeleontidae), pp. 55-61 in Zootaxa 3275 on pages 55-56, DOI: 10.5281/zenodo.21193

Characterization of the complete mitochondrial genome of the Libelloides sibiricus (Neuroptera, Ascalaphidae)

AbstractLibelloides sibiricus (Eversmann, 1850) is widely distributed in China, Korea and eastern Russia. To date, few studies have been conducted on this species, with the exception of morphological taxonomy studies. In this study, we sequenced the complete mitochondrial genome (mitogenome) of Libelloides sibiricus, which is 15,811 bp in length, with an overall A + T content of 74.8%, encoding 2 ribosomal RNA genes, 22 transfer RNA genes, 13 protein-coding genes, and a control region. The gene arrangement and components of L. sibiricus are identical to those of most other Neuropteran species. TAA is utilized as the termination codon for most PCGs and TAG for nd1, however, nd6 and atp6 used the incomplete termination codon TA- and cox1, cox2, nd5, cytb had termination codons consisting of only T–. In addition, we selected all known 59 species of Neuroptera from NCBI, and used Sialis hamata, Sialis melania, Sialis longidens and Sialis jiyuni (Megaloptera: Sialidae) as the outgroup. Phylogenetic analysis suggested that the mitogenome of L. sibiricus was the most closely related to L. macaronius and all the owlflies formed the monophyletic group within the superfamily Myrmeleontoidea

Deutoleon

Key to species of Deutoleon 1. Forewing veins yellow, without black spot at anastomosis of CuA 2 and CuP + 1 A, the black medial stripe with indistinct lateral branch on pronotum........................................................................... D. lineatus - Forewing veins black and yellow alternating, with one conspicuous spot at anastomosis of CuA 2 and CuP + 1 A, the black medial stripe with lateral branch on pronotum..................................................... D. turanicus Deutoleon lineatus (Fabricius, 1798 ) (Fig. 1 A)Published as part of Zhan, Qingbin, Li, Sha & Wang, Xinli, 2012, Synopsis of the antlion genus Deutoleon Navás, 1927 in China (Neuroptera: Myrmeleontidae), pp. 55-61 in Zootaxa 3275 on page 56, DOI: 10.5281/zenodo.21193

Synopsis of the antlion genus Deutoleon Navás, 1927 in China (Neuroptera: Myrmeleontidae)

Zhan, Qingbin, Li, Sha, Wang, Xinli (2012): Synopsis of the antlion genus Deutoleon Navás, 1927 in China (Neuroptera: Myrmeleontidae). Zootaxa 3275: 55-61, DOI: 10.5281/zenodo.21193