New papers on Batteries & energy materials
31 new papers on batteries & energy materials in the last 7 days, within Chemistry & materials. These are the 31 Pipette rates most worth reading, with the main result in the authors' own words.
The best of the week
Simulation of a Battery Cell on Quantum Computers: Reactions & Transport
We show how it can evaluate general electrochemical models and present a quantum simulation of the Single Particle Model with electrolyte (SPMe) as the first quantum simulation of a battery cell.
PreprintClaims a big stepThird-generation ultralong-term latent heat storage glass based on a sugar alcohol mixture
These results establish a third-generation latent heat storage mode, retaining the charged state as a kinetically arrested amorphous solid and thereby fundamentally shifting the stability criterion from supercooled-liquid nucleation suppression to glass-transition and structural-relaxation kinetics.
Peer-reviewed journalClaims a big stepReal-world useRecord stack durability in industrial solid oxide steam electrolysis through operational control
Here, we show that long-term stack durability can be strongly influenced by operating strategy, achieving 25,000 h of steam electrolysis operation in a full 70-cell solid oxide electrolysis cell stack under frequency-dependent electrochemical operation (AC:DC).
Peer-reviewed journalBold claims, read criticallyClaims a big stepReal-world usePrussian blue regulates ion dynamics in perovskite solar cells
We report that a lattice-matched Prussian blue scaffold directs heterogeneous nucleation to produce highly oriented, strain-relaxed films.
Peer-reviewed journalReal-world usePt Nanoparticles Supported on Ta-Doped TiO2 for Durable Proton Exchange Membrane Water Electrolysis
Here, we show that this century-old bottleneck can be alleviated by an electron-shuttling junction in which Pt nanoparticles are anchored to a tantalum (Ta)-doped titanium dioxide support, with Fermi level higher than Pt.
Peer-reviewed journalBold claims, read criticallyClaims a big stepReal-world useDynamic hydroxide transport intrusively damages anion exchange membranes
Herein, we report that dynamic ion transport processes fundamentally govern AEM stability degradation.
Peer-reviewed journalReal-world useActivating Aqueous Multivalent Metal–Sulfur Electrochemistry via Kinetic Promoter
Here, we decouple sulfur-conversion kinetics from sulfur-species stabilization by introducing a kinetic promoter.
Peer-reviewed journalReal-world useLong-Life Zinc–Bromine Flow Batteries with Low-Temperature Operation Enabled by Hydration Modulation of Complexing Agents
Zinc–bromine flow batteries with the target complexing agent, 1-[2-hydroxyethyl]-1-methylpyrrolidinium bromide, outperform those with traditional complexing agents in cycle life (>4000 cycles versus ∼800 cycles) at high current densities (charge: 200 mA cm–2, discharge: 80 mA cm–2) and in low-temperature adaptability (>700 h versus <10 h at 40 mA cm–2 and −20 °C).
Peer-reviewed journalReal-world useUltralow-Barrier Ion Transport in the Subnitride Electride BaN for High-Rate Sodium Storage
Here, using comprehensive first-principles calculations, we demonstrate that the quasi-one-dimensional subnitride electride BaN offers a compelling route to overcome the long-standing performance trade-offs in sodium-ion battery anodes.
PreprintBold claims, read criticallyReal-world useLi+ Shuttle bus enables safe fast ion transport in solid polymer electrolytes
This work establishes a Li⁺ shuttle-bus strategy for constructing solid polymer electrolytes with fast-charging capability and wide-temperature adaptability, offering findings into the design of solid-state lithium metal batteries.
Peer-reviewed journalReal-world useBalanced Coordination Chemistry for Architecture-Universal Perovskite Solar Cells
Here, we demonstrate that superior performance in FAPbI3-based PSCs is dictated by a principle of balanced coordination strength.
Peer-reviewed journalBold claims, read criticallyReal-world useConformal oxides decouple chemical stability and energetics at NiO x /perovskite interfaces
This synergy yielded high efficiency in perovskite photovoltaic devices and showed an ~10x improvement in T 90 lifetime in open-circuit conditions under AM1.5G at 65°C.
Peer-reviewed journalReal-world useTernary-Ion Batteries
To overcome this fundamental trade-off, we herein propose a ternary-ion mechanism that orchestrates the cooperative reactions of three distinct ionic species through mutually matched redox reactions and coordinated multivalent-metal ion exchange at the cathode and anode.
Peer-reviewed journalBold claims, read criticallyClaims a big stepReal-world useDual-Atom-Doped Metastable Iridium Oxide with Multichamber Nanostructure for Durable Low-Iridium PEM Electrolyzers
Herein, we report a class of Hf/Co dual-atom-doped multichamber 3R-IrO2 electrocatalysts by integrating mesoscale structural engineering with atomic-scale electronic regulation to achieve a durable low-Ir PEM electrolyzer.
Peer-reviewed journalReal-world useUnlocking cycle life of lithium metal batteries
Here, we reveal that electrolyte depletion caused by unstable solid electrolyte interphases (SEIs) leads to electrolyte dry-out and induces lithium compensation through anode-to-cathode cross-talk, whereby soluble anionic species formed at the anode migrate to the cathode and release Li + from electrolyte salts upon oxidation.
Peer-reviewed journalReal-world useElectrohydrodynamic-Mediated Molecular Coordination for Stabilizing α-Phase Perovskite Solar Cells
Herein, we demonstrate an electrohydrodynamic (EHD)-mediated chemical strategy to bypass this kinetic trap using a multifunctional molecular, tetramethylthiourea (TeMTU).
Peer-reviewed journalReal-world useLong-duration aqueous manganese metal anode by hydrogel solvation regulation
This work demonstrates an effective solvation-regulation strategy via hydrogel design for durable Mn anodes in aqueous batteries.
Peer-reviewed journalReal-world use“Spike-Accessed” Polymer-Based Interphase-Engineered Surface-to-Bulk Lattice Stabilization for Ni-Rich Positive Electrodes
Consequently, NCM811 positive electrodes incorporating the engineered CEI retain discharge capacities exceeding 100 mAh g–1 after 2,400 cycles at 5 C while exhibiting suppressed transition-metal dissolution and minimal impedance growth, even when cycled to 4.5 V. The strategy further enables stable cycling of 5.61 Ah lithium–metal (ca.
Peer-reviewed journalBold claims, read criticallyReal-world useActivating the Anomalous Jahn–Teller Effect in NASICON-Type Mixed Phosphate Cathode via Crystal Field Engineering
Herein, we report a NASICON-type cathode, Na3.85□0.15Mn1.35Fe1.5V0.15(PO4)2(P2O7) (□ denotes Na vacancy, NFMPP-V), in which vanadium substitution reconfigures the Mn3+-induced Jahn–Teller distortion and couples it with multivalent redox processes, achieving enhanced energy density and reaction kinetics.
Peer-reviewed journalReal-world use“Electronic Sponge” Strategy Enables Polyether Electrolytes for High-Voltage and Fast-Charging Quasi-Solid-State Batteries
This work pioneers a universal electron regulation paradigm for designing advanced polyether electrolytes and stable interphases toward high-voltage, fast-charging quasi-solid-state batteries.
Peer-reviewed journalBold claims, read criticallyReal-world useCrystallographic Alignment of α-FAPbI3 {100} Facets at the Buried Interface for Efficient Perovskite Photovoltaics
Here, we identify buried-interface molecules that integrate a perovskite-interacting heterocycle with a substrate-anchoring carboxyl group, enabling the ordered alignment of {100} facets at the SnO2/perovskite interface.
Peer-reviewed journalReal-world useMobility-lifetime relation links photodegradation in spin-coated and gravure-printed organic solar cells
These results identify the mobility-lifetime product as a unifying physical descriptor for photodegradation, linking ageing-induced microscopic changes to macroscopic performance loss across spin-coated and scalable printed OSCs.
PreprintReal-world useEfficient yet stable large perovskite solar modules made using surface treatment
Large modules treated instead with chemically stable lead carboxylate passivators were efficient, reliable and had a higher yield than did commercial silicon modules.
Peer-reviewed journalBold claims, read criticallyReal-world useLiNiO2/NiO Phase Prediction Using Artificial Neural Networks
Our networks exhibit very robust results, especially when dealing with highly varying data, an area where traditional template-matching methods typically struggle.
PreprintReal-world useOperando and Postmortem Study of Iridium-Decorated Titanium-Based Catalysts in PEM Water Electrolysis
Results confirm the dissolution and oxidation of Ti in TiC and TiN, as well as the structural stability of TiO2, and better describe the boundaries of the trade-off between nanoparticle stability and support robustness.
Peer-reviewed journalReal-world useHigh-Throughput Photovoltaic Screening and Spacer-Dependent Shift Current in Two-Dimensional Hybrid Perovskites
Overall, these results highlight the potential of high-throughput first-principles calculations to accelerate the discovery of experimentally relevant 2D HOIPs with promising photovoltaic properties while revealing how organic spacer chemistry influences their nonlinear shift photocurrent response.
PreprintA kinetic model of electron transfer at the electrode-electrolyte interface: Statistical mechanics and electrochemical aspects
Phys.} 163, 164113), based on the seamless combination of the electron transfer at the electrode/electrolyte interface with the charge and mass transport in electrolyte solutions, holds the promise to advance the comprehensive modeling of basic electrochemical devices such as electrolytic cells and batteries.
PreprintIlluminated Semiconducting Electrodes Show Saturation Kinetics under Conditions of Inversion
We find that kobs saturates with respect to light and can be described using a simple steady-state approximation to extract maximum light-dependent observed ET rate constants, kobs,max.
Peer-reviewed journalElectrolyte Dependent Structure Transport Relationships in Electrodeposited Prussian Blue Analogue Thin Films
These results demonstrate that electrolyte identity controls not only lattice dimensions but also the organization and connectivity of defect networks, highlighting structural coherence and accessible transport pathways as key factors governing electrochemical performance in PBA thin films.
PreprintA fast physics-based matrix model for the impedance of a PEM fuel cell: Incorporating functionally graded catalyst layer and channel impedances
We extend a recent physics-based matrix model for calculating PEM fuel cell impedance (doi:10.1149/2754-2734/ad6ce8) to cases of low air flow stoichiometry and functionally graded cathode catalyst layers (CCLs).
PreprintFinding hidden factors of a battery’s life
Two new descriptors enable precise evaluation of rechargeable lithium-metal battery performance.
Peer-reviewed journal