Redox-active metallopolymers are promising stimuli-responsive platforms for a range of applications including sensing, energy storage, and selective separations. In particular, heterogeneously-functionalized can modulate the capture release target molecules, driven by redox electron-transfer. However, prior metallopolymer-functionalized electrodes have been fabricated non-covalent methods, tail...

Utilization of metal-free low-cost high-capacity organic cathodes for lithium batteries has been a long-standing goal, but critical cyclability problems owing to dissolution of active materials into the electrolyte have been an inevitable obstacle. For practical utilisation of numerous cathode-active compounds proposed over the past decades, a novel battery construction strategy is required. We...

A lithium-excess cation-disordered rocksalt oxide, Li1.15Nb0.15Mn0.7O2, is synthesized and tested as positive electrode materials for battery applications. Although nanosized Li1.15Nb0.15Mn0.7O2 delivers a large reversible capacity using cationic/anionic redox reaction, the inferior retention hinders its use practical Such degradation of reversibility, including electrochemical structural antic...

The drawbacks of current state-of-the-art selective membranes, such as poor barrier properties, high cost, and recyclability, limit the large-scale deployment electrochemical energy devices redox flow batteries (RFBs) fuel cells. In recent years, cellulosic nanomaterials have been proposed a low-cost green raw material for but their performance in RFBs cells is typically poorer than that sulfon...

In order for Li-ion batteries to mature to a level useful for integration into the current or future energy infrastructure, basic problems such as cyclability, cost and rate capability must be overcome. LiNi0.5Mn1.5O4 (LNM), a spinel cathode material, has the advantage of being both cost-effective and a high-rate capable material, but it is plagued with cyclability problems. In the LNM system t...

Let G = (X, Y ; E) be a balanced 2-connected bipartite graph and S ⊂ V(G). We will say that S is cyclable in G if all vertices of S belong to a common cycle in G. We give sufficient degree conditions in a balanced bipartite graph G and a subset S ⊂ V(G) for the cyclability of the set S.

The high-rate cyclability of Li-rich Mn-based oxide (LMO) is highly limited by the electrochemical polarization resulting from slow kinetic Li2MnO3 phase. Herein, Prussian blue (PB) coating layer with specific redox potential introduced as a functionalized interface to overcome side effect and escaping O on surface LMO, especially its poor rate capability. In detail, PB can restrict large LMO s...

A high concentration of lithium, corresponding to charge capacity of ~4200 mAh/g, can be intercalated in silicon. Unfortunately, due to high intercalation strain leading to fracture and consequent poor cyclability, silicon cannot be used as anode in lithium ion batteries. But recently interconnected hollow nano-spheres of amorphous silicon have been found to exhibit high cyclability. The absenc...

In a graph G, subset of vertices $$S \subseteq V(G)$$ is said to be cyclable if there cycle containing the in some order. G k-cyclable any $$k \ge 2$$ cyclable. If k ordered are present common that order, then k-ordered. We show when \le \sqrt{n+3}$$ , graphs also have circumference $$c(G) 2k$$ and this best possible. Furthermore \frac{3n}{4} -1$$ k+2$$ for k-ordered we \min \{n,2k\}$$ . genera...