Developing high-voltage Ni-rich cathodes with energy densities rivaling ultrahigh-Ni counterparts is highly attractive, but the substantial de-lithiation required under high-voltage operation significantly aggravates strain accumulation and surface degradation. Herein, an in-situ co-precipitation strategy is implemented to synthesize quinary full-concentration-gradient cathode with Mn-rich Ni-poor surface, LiNi_0.73Co_0.05Mn_0.20Al_0.01B_0.01O₂. This design markedly enhances surface mechanical strength and effectively dissipates internal tensile and compressive stresses. Well-distributed B mitigates the de-gradient effect by suppressing heat-driven transition-metal interdiffusion. The occupation of B and Al in tetrahedral interstices of transition-metal and Li layer, respectively, synergistically stabilizes the lattice oxygen, which prevents O₂/CO₂ emission during high state-of-charge (up to 4.5 V) and alleviates structural distortion of the Ni–O coordination environment after extended cycling. The resulting cathode delivers a high capacity of 210.5 mAh g⁻¹ (815.4 Wh kg⁻¹, comparable to 95% Ni cathode) and an initial Coulombic efficiency of 90.1%. It exhibits exceptional long-term cyclability in pouch-type full cells (2.7–4.5 V), retaining 87.3% capacity after 1700 ultra-long cycles. This work presents a practical approach for synthesizing electrochemically stable gradient cathodes suitable for high-voltage operation.

Announcing a new publication from Opto-Electronic Sciences; DOI   10.29026/oes.2026.260002.

Announcing a new publication from Opto-Electronic Advances; DOI  10.29026/oea.2026.250267.

Announcing a new publication from Opto-Electronic Advances; DOI  10.29026/oea.2026.250274.

Announcing new publication from Opto-Electronic Advances; DOI  10.29026/oea.2026.250216.

Announcing a new publication from Opto-Electronic Advances; DOI  10.29026/oea.2026.250218. As cities become taller, denser, and more energy-hungry, integrating solar energy directly into the surfaces of buildings and vehicles provides a powerful and space-efficient solution to the climate crisis.

Announcing a new publication from Opto-Electronic Advances; DOI  10.29026/oea.2026.250229.

Researchers have taken inspiration from nature to create a robotic wing that can sense and adapt to changes in water to deliver unparalleled stability.  

Drawing on the adaptive movements of birds and fish, the wing senses disturbances in the flow of water and automatically changes its shape to adjust to these.

The team, led by the University of Southampton, hope the soft robotics and e-skin they’ve pioneered could help close the gap in manoeuvrability and efficiency between robots and animals.  

A research team at The Hong Kong University of Science and Technology (HKUST) has analyzed 40 years of data covering around 1,500 tropical cyclones and discovered that average rain rates surge by more than 20% in the 60 hours before landfall. The study is also the first to clearly identify the physical mechanisms behind this increase, showing that rising humidity over coastal areas and enhanced land-sea frictional contrasts strengthen convection, intensifying rainfall ahead of landfall. The results provide valuable insights for improving coastal disaster preparedness and early‑warning systems.