Heat Diffusion‐Induced Gradient Energy Level in Multishell Bisulfides for Highly Efficient Photocatalytic Hydrogen Production

Multishell ZnS/CoS2 bisulfide microspheres with gradient distribution of Zn are designed based on the heat diffusion theory. The formation of these remarkable structures leads to a gradient energy level created from the core to the outside, which effectively facilitates the exciton separation and electron transfer, and translates into a photocatalytic...

35m

Understanding the Reactivity of a Thin Li1.5Al0.5Ge1.5(PO4)3 Solid‐State Electrolyte toward Metallic Lithium Anode

A new 70–100 µm thick electrolyte based on NASICON‐type Li1.5Al0.5Ge1.5(PO4)3 (LAGP) is developed by using a scalable process method. After X‐ray near edge absorption spectroscopy (XANES) and X‐ray diffraction (XRD) analysis the interface between lithium metal and LAGP is shown to be temperature dependent. Oriented plating of metallic lithium on its...

1d

The Layered Oxides in Lithium and Sodium‐Ion Batteries: A Solid‐State Chemistry Approach

40 years after John Goodenough's discovery of LiCoO2, which is used in almost all mobile devices, A x NiO2‐based layered oxides are the most promising materials for electrified vehicles (A = Li) and stationary batteries (A = Na). The great contribution of solid‐state chemistry has allowed understanding of almost all mechanisms involved during...

1d

Laser‐Assisted Ultrafast Exfoliation of Black Phosphorus in Liquid with Tunable Thickness for Li‐Ion Batteries

Tuning black phosphorus (BP) thickness with a laser: A liquid‐phase exfoliation method assisted by a pulsed laser is described. The layer number and lateral size of few‐lsayered BP nanosheets depends on the laser duration and solvent. This few‐layered BP nanosheets enables the study of the relationship between morphology and BP‐based anode performance,...

1d

Dealing with Lead in Hybrid Perovskite: A Challenge to Tackle for a Bright Future of This Technology?

In this article, a forward‐looking perspective is given to develop new approaches for the issues related to lead in hybrid perovskites. The currently used remediation tools for the sanitization of soil and water are described and discussed to transfer these technologies to hybrid perovskite photovoltaic cells. Finally, the impact of lead content is...

6d

Achieving 17.4% Efficiency of Ternary Organic Photovoltaics with Two Well‐Compatible Nonfullerene Acceptors for Minimizing Energy Loss

An optimal power conversion efficiency (PCE) of 17.4% is achieved in the optimized ternary organic photovoltaics (OPVs) with two well‐compatible acceptors (BTP‐4F‐12 and MeIC) and one wide bandgap donor (PM6), resulting from simultaneously improved J SC, fill factor (FF), and V OC. The energy loss of ternary OPVs is minimized compared with the two...

6d

Laser‐Assisted Ultrafast Exfoliation of Black Phosphorus in Liquid with Tunable Thickness for Li‐Ion Batteries

Tuning black phosphorus (BP) thickness with a laser: A liquid‐phase exfoliation method assisted by a pulsed laser is described. The layer number and lateral size of few‐lsayered BP nanosheets depends on the laser duration and solvent. This few‐layered BP nanosheets enables the study of the relationship between morphology and BP‐based anode performance,...

6d

Direct Observation of Alternating Octahedral and Prismatic Sodium Layers in O3‐Type Transition Metal Oxides

A novel phase transition to an OP2‐type stacking sequence from an O3‐layered sodium transition metal oxide (NaTi0.25Fe0.25Co0.25Mn0.25O2) is directly observed and investigated by in situ X‐ray diffraction, high‐resolution scanning transmission electron microscopy, and first‐principles calculations. This study discusses how Jahn–Teller active Fe4+ ion...

6d

Host Materials Anchoring Polysulfides in Li–S Batteries Reviewed

The design and development of sulfur host materials represents a promising approach for high‐performance Li–S batteries. This review comprehensively discusses the recent advances of sulfur host materials. The advantages of various sulfur host materials are presented. Perspectives are provided on the critical issues that should be addressed for the practical...

6d

Strategies for Dendrite‐Free Anode in Aqueous Rechargeable Zinc Ion Batteries

By delving deeply into the underlying science that triggers the deposition/dissolution of zinc ions, the recent advances in modulating the zinc ion coordination environment, uniforming interfacial electric fields, and inducing zinc deposition are summarized. Finally, perspectives and suggestions for designing a highly stable zinc anode for the industrialization...

6d