Termination-acidity tailoring of molybdenum carbides for alkaline hydrogen evolution reaction DOI Creative Commons
Zhi‐Gang Chen, Minghao Yang, Yifan Li

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Jan. 6, 2025

Transition-metal carbides have been advocated as the promising alternatives to noble-metal platinum-based catalysts in electrocatalytic hydrogen evolution reaction over half a century. However, effectiveness of transition-metal catalyzing high-pH electrolyte is severely compromised due lowered proton activity and intractable alkaline-leaching issue centers. Herein, on basis validation molybdenum-carbide model-catalyst system by taking advantage surface science techniques, Mo2C micro-size spheres terminated Al3+ doped MoO2 layer exhibit notable performance alkaline with near-zero onset-potential, low overpotential (40 mV) at typical current density 10 mA/cm2, small Tafel slope (45 mV/dec), well long-term stability for continuous production 200 h. Advanced morphology spectroscopy characterizations demonstrate that local -Al-OH-Mo- structures within Al-MoO2 terminations serve strong Brønsted acid sites accelerate deprotonation kinetics HER process. Our work paves an interesting termination-acidity-tailoring strategy explore cost-effective towards water electrolysis beyond. Exploring low-cost, efficient replace platinum crucial generation. Here, authors report termination-acidity boosts molybdenum carbides, achieving sustaining generation

Language: Английский

Zn Powder-Based Anodes for Aqueous Zn Metal Batteries: Strategies, Structures, and Perspectives DOI

Biao Fu,

Guanqun Liu,

Yajue Zhang

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(7), P. 3292 - 3307

Published: June 11, 2024

Aqueous zinc metal batteries (ZMBs) have attracted much attention in the field of grid-scale energy storage due to their high safety, low cost, and abundant resources. Zn powders exhibit unique advantages specific surface area, mature scaled-up manufacturing ability, structural tunability, which can meet large-scale devices, even special-shaped devices. However, powder-based anodes are at an early stage far from practical industrial application. With pursuit comprehensive electrochemical performances anodes, this review focus on advances, issues, optimized strategies, discussed systematically previous reports anodes. Meanwhile, we also added many supplementary discussions some important strategies relevant content but not yet reported. Finally, future prospects toward performance practicability proposed, will provide scientific guidance for application ZMBs.

Language: Английский

Citations

24
Nitroxyl radical triggered the construction of a molecular protective layer for achieving durable Zn metal anodes DOI

Xipo Ma,

Huaming Yu, Chunshuang Yan

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 664, P. 539 - 548

Published: March 12, 2024

Language: Английский

Citations

23
Electrolyte Additive for Interfacial Engineering of Lithium and Zinc Metal Anodes DOI
Guanyao Wang, Qiankui Zhang, Xue‐Qiang Zhang

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: March 4, 2024

Abstract Electrolytes play a crucial role in facilitating the ionic movement between cathode and anode, which is essential for flow of electric current during charging discharging process rechargeable batteries. In particular, electrolyte additives are considered as effective economical approaches into advancements battery technologies both conventional non‐aqueous burgeoning aqueous systems. Herein, systematic comprehensive review reported interfacial engineering Li Zn metal anodes electrolytes, respectively. The types their corresponding functionalities protection these two discussed along with electrochemical features solid interphase (SEI) derived from additives. recent progress on systems also addressed perspectives electrode, electrolyte, associated SEI. Finally, outlook perspective issues future directions field additive presented next‐generation beyond Li‐ion

Language: Английский

Citations

22
Bulk-to-surface co-modification of layered hydrated vanadate cathode for aqueous zinc ion batteries DOI
Chen Zhang, Yan Huang, Xueer Xu

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(12), P. 4090 - 4103

Published: Jan. 1, 2024

The major challenges of vanadium-based layered materials are their dissolution tendency and the instability bulk-phase structure, resulting in unsatisfactory cyclability, particularly at lower current densities.

Language: Английский

Citations

22
Hydrophobic Ion Barrier‐Enabled Ultradurable Zn (002) Plane Orientation towards Long‐Life Anode‐Less Zn Batteries DOI
Guigui Liu, Yongchao Tang,

Yue Wei

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: July 8, 2024

Gradual disability of Zn anode and high negative/positive electrode (N/P) ratio usually depreciate calendar life energy density aqueous batteries (AZBs). Herein, within original

Language: Английский

Citations

22
Optimization Strategy of Surface and Interface in Electrolyte Structure of Aqueous Zinc-Ion Battery DOI
Yang Li, Xiaoxu Liu, Man Zhang

et al.

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 6(5), P. 1938 - 1960

Published: April 12, 2024

Aqueous zinc-ion batteries (AZIBs) are increasingly regarded as promising candidates for large-scale energy storage, because of their advantageous features such high safety, low cost, abundant resources, and environmental friendliness. However, challenges persist with zinc anodes, including issues Coulombic efficiency (CE) poor long-term cycle stability due to dendrites, hydrogen evolution, passivation reactions. These mainly attributed the thermodynamic instability anodes in aqueous electrolytes, leading a shorter battery life. The optimization electrolyte structure has emerged straightforward impactful strategy, making substantial advancements addressing associated systematic manner. This account undertakes comprehensive analysis formation process interface between anode. Strategies involve precise regulation Zn nucleation layer, construction situ artificial anode optimization, design solid interphase (SEI) protective layer. By delving into these critical aspects, review aims provide concise synthesis future outlook on strategies batteries, offering valuable insights enhancing overall performance.

Language: Английский

Citations

18
Decoding the mechanism of self-discharge and optimal electrolyte reconfiguration for advanced vanadium-based aqueous zinc batteries DOI
Jie Sun, Jin Zhang, Siyang Wang

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(12), P. 4304 - 4318

Published: Jan. 1, 2024

The self-discharge of aqueous zinc batteries during idle periods remains elusive, and warranting adequate voltage sufficient capacity is not trivial, due to the components battery system reciprocal influence among them.

Language: Английский

Citations

17
A Self-Phase Separated Electrolyte toward Durable and Rollover-Stable Zinc Metal Batteries DOI
Xin Zhao,

Jiaping Fu,

Ming Chen

et al.

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 8, 2025

Aqueous zinc (Zn) metal batteries (ZMBs) have received great attention due to their safety and environmental friendliness. Although aqueous electrolytes facilitate fast kinetics in oxide cathodes, incompatibility with the Zn anodes triggers severe hydrogen evolution reaction (HER) dendrite growth. Herein, a self-phase separated electrolyte (SPSE) is proposed fulfill contradictory requirements of anode cathode ZMBs. Molecular modeling experimental investigations verify that hydrophobic fluorinated solvent moderate dielectric constant large Hildebrand parameter disparity relative water contributes spontaneous aqueous–nonaqueous phase separation within SPSE against stirring aging. In as-developed SPSE, nonaqueous effectively inhibits HER formation by synergistic effect regulated deposition protective solid interphase (SEI). Meanwhile, ensures ion insertion/extraction dynamics. Consequently, allows for Zn||Zn symmetrical cells 2500 h cycle life ultralow corrosion current (0.08 mA cm–2). Notably, Zn|SPSE|V2O5 full cell sustains over 3000 cycles negligible corrosion, pouch demonstrates remarkable operation stability repeated rollover. Our design concept paves promising path practical ZMBs combine long-term cyclability, enhanced safety, durability.

Language: Английский

Citations

2
Tailoring Anion Association Strength Through Polycation‐Anion Coordination Mechanism in Imidazole Polymeric Ionic Liquid‐Based Artificial Interphase toward Durable Zn Metal Anodes DOI

Jiaqi Ke,

Zhipeng Wen, Yang Yang

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(26)

Published: March 16, 2023

Abstract Artificial interface layer engineering is an efficacious modification strategy for protecting zinc anode from dendrite growth and byproducts formation. However, the high bulk ionic conductivity of most artificial interfacial layers mainly contributed by movement anions (SO 4 2− ), which source parasitic reactions on anode. Herein, a ion donor transition (σZn 2+ = 3.89 × 10 −2 S cm −1 ) imidazole polymeric liquid (1‐carboxymethyl‐3‐vinylimidazolium bromide monomer, CVBr) Zn metal protection designed. The N + atom rings connected chains to form cavities are confined within these cavities. Thus, hindering effect surrounding units leads subdiffusive regime, inhibits diffusion SO in increases transference number. Besides, polycation‐anion coordination mechanism PolyCVBr ensures accelerated realizes rapid internal migration channel. As result, Zn@CVBr||AM symmetry cells deliver (4.42 number (tZn 0.88) simultaneously. Zn@CVBr||AM‐NaV 3 O 8 pouch display capacity retention 88.9% after 190 cycles under 90° bending, verifying their potential practical application.

Language: Английский

Citations

37
Lithium Bis(oxalate)borate Additive for Self‐repairing Zincophilic Solid Electrolyte Interphases towards Ultrahigh‐rate and Ultra‐stable Zinc Anodes DOI Open Access
Zhaoyu Zhang, Yufei Zhang, Minghui Ye

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(44)

Published: Sept. 11, 2023

The artificial solid electrolyte interphase (SEI) plays a pivotal role in Zn anode stabilization but its long-term effectiveness at high rates is still challenged. Herein, to achieve superior long-life and high-rate anode, an exquisite additive, lithium bis(oxalate)borate (LiBOB), proposed situ derive highly Zn2+ -conductive SEI dynamically patrol cycling-initiated defects. Profiting from the as-constructed real-time, automatic repairing mechanism, can be cycled with distinct reversibility over 1800 h ultrahigh current density of 50 mA cm-2 , presenting record-high cumulative capacity up 45 Ah . superiority formulated further demonstrated Zn||MnO2 Zn||NaV3 O8 full batteries, even when tested under harsh conditions (limited supply (N/P≈3), 2500 cycles). This work brings inspiration for developing fast-charging batteries toward grid-scale storage renewable energy sources.

Language: Английский

Citations

36