Oct 2026· Advanced Energy Materials· 0 citations· 62 references
Abstract
As a promising cathode material for large‐scale sodium‐ion energy storage, Na
4
Fe
3
(PO
4
)
2
P
2
O
7
(NFPP) still suffers from sluggish Na
+
kinetics and insufficient electronic conductivity. Herein, we propose a bulk‐to‐interface coupling framework in which substitution‐induced electronic regulation propagates from the crystal lattice to the cathode surface, thereby reorganizing the adjacent electrolyte environment. This strategy is implemented by introducing Ni
2
+
with high crystal‐field stabilization energy into NFPP. Ni
2+
substitution modulates the local electronic structure, strengthens Fe─O d‐p hybridization, and promotes medium‐range structural ordering. The resulting surface charge redistribution reshapes the interfacial electrostatic potential, suppresses solvent polarization and Na‐ClO
4
association, and facilitates interfacial Na
+
exchange. Consequently, the optimized cathode delivers 118 mAh g
−1
at 0.1 C and retains 74% of its capacity after 10 000 cycles at 20 C. A pouch cell with a cathode areal capacity of 0.5 mAh cm
−2
further demonstrates its feasibility in a full‐cell configuration. This work extends substitution chemistry beyond bulk transport optimization toward the deliberate regulation of electrode‐electrolyte interactions.
Antimony selenide (Sb
2
Se
3
) has emerged as a promising photovoltaic absorber owing to its suitable bandgap, high absorption coefficient, and low‐toxicity elemental composition. However, high‐efficiency Sb
2
Se
3
solar cells commonly rely on CdS electron‐transport layers, whereas Cd‐free alternatives ofte...
Xiao-Yang Liang, Liang-Liang Zhang, Deng-Run Li et al.· Advanced Energy Materials· 0 citations
Solid‐state sodium metal batteries (SSSMBs) are promising candidates for next‐generation energy storage systems due to their high theoretical energy density, inherent safety, and abundant sodium (Na) reserves. The realization of practical SSSMBs relies on the development of advanced inorganic solid electrolytes (ISEs...
Muhammad Abaid Ashraf, Chan-Jin Park· Batteries & Supercaps· 0 citations
Non‐metallic charge carriers, especially NH
4
+
ions, have recently attracted attention for energy storage, with Ammonium Vanadates (NH
4
V
4
O
10
) gaining an early advantage in ammonium‐ion storage due to their large interlayer spacing. Here, we report the fabrication of a nanocomposite involving Ti
3...
Selvadhas Nirmala Kanimozhi, S. Dhivya, Abdullah Al Souwaileh et al.· Advanced Sustainable Systems· 0 citations
Lithium‐rich manganese‐based cathodes offer high energy density for next‐generation lithium‐ion batteries, yet practical deployment requires simultaneous enhancement of rate capability and oxygen stability. Here, a selective Mo
6+
and Sr
2+
doping strategy is proposed to regulate facet energetics and particle g...
Aqueous ammonium‐ion (NH
4
+
) batteries are promising for sustainable energy storage, yet their performance is severely constrained by sluggish reaction kinetics. Photo‐assisted strategies offer a compelling route to overcome these limitations; however, single‐semiconductor electrodes suffer from rapid photogen...
Yue Zhang, Yu-Long Jia, Fang-Fang Sun et al.· Angewandte Chemie· 0 citations
All‐solid‐state lithium‐metal batteries (ASSBs) offer a promising route to surpass the energy‐density limits of conventional lithium‐ion technology. However, their commercialization is hindered by interfacial instability, chemo‐mechanical degradation, and the limited ionic conductivity of current solid electrolytes...
Clément Morel, A. Chaupatnaik, Jie Liu et al.· Advanced Energy Materials· 0 citations
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