Kosmotropic Anions‐Intensified Proline Additive Enabling Highly Stable Zn Anodes

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 12, 2025

Abstract Despite the conspicuous merits of Zn metal anodes, commercialization anode‐based electrochemical energy storage devices is still constrained by uncontrollable dendrite growth and serious parasitic reactions. Herein, an innovative strategy employing kosmotropic anions‐intensified proline additive to regulate 2+ solvation structure manipulate deposition interface, thus achieving highly stable proposed. The key this lies in ingeniously utilizing SO 4 2− anions enhance affinity adsorption layer on anodes weaken . Consequently, proline‐containing ZnSO (ZnSO ‐proline) electrolyte deliver a remarkable lifespan over 2600 h at 1.0 mA cm −2 mAh Even under harsh plating/stripping condition (10 10 ), ‐proline stably operate for 650 h. Meanwhile, Coulombic efficiency designed as high 99.9% 1100 cycles. endows Zn‐ion batteries hybrid capacitors with notably optimized long‐term cycling stability. This work expected be immediate benefit design low‐cost Zn‐based systems ultra‐long lifespan.

Язык: Английский

---

Cathode|Electrolyte Interface Engineering by a Hydrogel Polymer Electrolyte for a 3D Porous High‐Voltage Cathode Material in a Quasi‐Solid‐State Zinc Metal Battery by In Situ Polymerization

Small, Год журнала: 2024, Номер unknown

Опубликована: Июнь 5, 2024

Abstract This work highlights the development of a superior cathode|electrolyte interface for quasi solid‐state rechargeable zinc metal battery (QSS‐RZMB) by novel hydrogel polymer electrolyte using an ultraviolet (UV) light‐assisted in situ polymerization strategy. By integrating cathode with thin layer electrolyte, this technique produces integrated that ensures quick Zn 2+ ion conduction. The coexistence nanowires direct electron routes and enhanced infiltration diffusion 3D porous flower structure wide open surface Zn‐MnO electrode complements formation during process. QSS‐RZMB configured (i‐Zn‐MnO) (PHPZ‐30) as separator yields comparable specific energy density 214.14 Wh kg −1 its liquid counterpart (240.38 , 0.5 M Zn(CF 3 SO ) 2 aqueous electrolyte). Other noteworthy features presented system include cycle life over 1000 charge‐discharge cycles 85% capacity retention 99% coulombic efficiency at current 1.0 A g compared to only 60% 500 displayed liquid‐state under same operating conditions.

Язык: Английский

---

Enabling Gradient‐Structured Solid Electrolyte Interphase by a Hydrated Eutectic Electrolyte for High‐Performance Zn Metal Batteries

Small, Год журнала: 2024, Номер unknown

Опубликована: Июнь 14, 2024

Abstract Aqueous Zn metal batteries are attracting tremendous interest as promising energy storage systems due to their intrinsic safety and cost‐effectiveness. Nevertheless, the reversibility of anodes (ZMAs) is hindered by water‐induced parasitic reactions dendrite growth. Herein, a novel hydrated eutectic electrolyte (HEE) consisting Zn(BF 4 ) 2 ·xH O sulfolane (SL) developed prevent side achieve outstanding cyclability ZMAs. The strong coordination between 2+ SL triggers feature, enabling low‐temperature availability HEEs. restriction BF − hydrolysis in system can realize favorable compatibility ‐based Besides, newly‐established solvation structure with participation SL, H O, , induce situ formation desirable SEI gradient B,O‐rich species, ZnS, ZnF offer satisfactory protection toward Consequently, HEE allows Zn||Zn symmetric cell cycle over 1650 h at mA cm −2 1 . Moreover, Zn||NH V 10 full deliver prolonged lifespan for 1000 cycles high capacity retention 83.4%. This work represents feasible approach elaborate design advanced next‐generation batteries.

Язык: Английский

---

Crystallographically textured zinc nucleation and planar electrodeposition for zinc metal batteries via magnetoelectric and magnetization effects

Energy storage materials, Год журнала: 2024, Номер 72, С. 103751 - 103751

Опубликована: Авг. 26, 2024

Язык: Английский

---

Rapid construction of a tellurium artificial interface to form a highly reversible zinc anode

EES batteries., Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Dendrite growth limits the lifespan of aqueous zinc-ion batteries (AZIBs). The tellurium complex treatment forms a layer on zinc anode, suppressing dendrite growth. This enables long-term stable and high-performance AZIBs.

Язык: Английский

---

A high-throughput experimentation platform for data-driven discovery in electrochemistry

Science Advances, Год журнала: 2025, Номер 11(14)

Опубликована: Апрель 4, 2025

Automating electrochemical analyses combined with artificial intelligence is poised to accelerate discoveries in renewable energy sciences and technologies. This study presents an automated high-throughput characterization (AHTech) platform as a cost-effective versatile tool for rapidly assessing liquid analytes. The Python-controlled combines handling robot, potentiostat, customizable microelectrode bundles diverse, reproducible measurements microtiter plates, minimizing chemical consumption manual effort. To showcase the capability of AHTech, we screened library 180 small molecules electrolyte additives aqueous zinc metal batteries, generating data training machine learning models predict Coulombic efficiencies. Key molecular features governing additive performance were elucidated using Shapley Additive exPlanations Spearman’s correlation, pinpointing high-performance candidates like cis -4-hydroxy- d -proline, which achieved average efficiency 99.52% over 200 cycles. workflow established herein highly adaptable, offering powerful framework accelerating exploration optimization extensive spaces across diverse storage conversion fields.

Язык: Английский

---

Progress and challenges of zinc ion capacitors: From basic principles to performance optimization strategies

Chemical Engineering Journal, Год журнала: 2025, Номер 516, С. 163974 - 163974

Опубликована: Май 20, 2025

Язык: Английский

---

Synergistic Interfacial Chemistry Enabled by a Multifunctional Zwitterionic Additive for High Performance Aqueous Zinc Metal Batteries

Nano Energy, Год журнала: 2025, Номер unknown, С. 111178 - 111178

Опубликована: Май 1, 2025

Язык: Английский

---

In Situ Formed Robust Solid Electrolyte Interphase with Organic–Inorganic Hybrid Layer for Stable Zn Metal Anode

Small Methods, Год журнала: 2024, Номер unknown

Опубликована: Апрель 16, 2024

Abstract Stabilizing the Zn anode/electrolyte interface is critical for advancing aqueous zinc ion storage technologies. Addressing this challenge helps minimize parasitic reactions and controls formation of dendrites, which fundamental to achieving highly reversible electrochemistry. In study, 2% by volume dimethyl sulfoxide (DMSO) introduced into baseline sulfate (ZS) electrolyte, acts as an efficient regulator form a robust solid–electrolyte interphase (SEI) on anode. This innovative approach enables uniform deposition does not substantially modify 2+ solvation structure. The Zn||Zn symmetric cell exhibits extended cycle life nearly one calendar year (>8500 h) at current density 0.5 mA cm −2 areal capacity mAh . Impressive full performance can be achieved. Specifically, Zn||VS 2 achieves 1.7 , with superior negative‐to‐positive ratio 2.5, electrolyte‐to‐capacity 101.4 µL −1 displaying remarkable stability over 1000 cycles under high mass loading 11.0 mg without significant degradation. in electrolyte engineering provides new perspective situ SEI design furthers understanding anode stabilization.

Язык: Английский

---

Polyoxometalate Initiated In situ Conformal Coating of Multifunctional Hybrid Artificial Layers for High Performance Zinc Metal Anodes

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Сен. 2, 2024

Abstract Aqueous zinc (Zn) metal batteries are very attractive owing to the high theoretical capacity (820 mAh g −1 ), meritable electrode potential (−0.76 V vs SHE), low cost, and environmental friendliness of Zn anodes. However, dendrite formation, corrosion, water decomposition on anodes should be resolved for their practical applications. Herein, conformally coated multifunctional organic/inorganic hybrid artificial layers demonstrated reversible stable deposition. These synthesized through polyoxometalate (POM) initiated polymerization into poly(1,3‐dioxolane) (Poly(DOL)) directly onto surface. Moreover, POM acted as chemical bridge connecting Poly(DOL) with anode construct mechanically robust a thickness ≈40 nm. The fast selective 2+ ion transport POM/Poly(DOL) layer (POMDOL) preferential growth (002) crystalline plane attributed Accordingly, POMDOL (PDOLZn) achieves an extended cycling period up 2,876 hours cumulative 29 Ah at 20 mA cm −2 1 . depth discharge (DOD) 40% is achieved. Consequently, PDOLZn || β‐MnO 2 full cells delivered specific 245 long‐term stability over 000 cycles.

Язык: Английский

---