Eco‐Friendly Soy Protein‐Based Solid‐State Electrolyte Exhibiting Stable High‐Rate Cyclic Performances by Molecular Regulation Design DOI
Yue Li, Peipei Ding, Li Cai

et al.

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 30, 2025

Abstract Solid‐state electrolytes play critical roles in solid‐state lithium‐ion batteries. In this study, soy protein (SP), a green and renewable biomass polymer, is explored as backbone for electrolytes. SP‐based (SPPV@VEC‐SSEs) are prepared with the soft‐hard interpenetrating network by modulating molecular structure of SP. process, active groups on SP utilized to form hydrogen bonds polyvinylidene difluoride (PVDF), constructing hard phase cross‐linked network, which causes folded quaternary unfold create more lithium ion transport channels; Then vinylethylene carbonate (VEC) monomers infused into through free radical polymerization enhancing both availability sites improvement interfacial performance. The exhibit high ionic conductivity (7.95 × 10 −4 S cm −1 ) Li + transference number (0.78) at 60 °C. corresponding LFP||SPPV3@VEC‐SSEs||Li battery delivers good cyclic stability up >800 cycles under temperature 120 °C cycling rate 2 C. Results experimental theoretical analysis reveal that construction facilitates unfolding SP, exposing oxygen‐containing cationic effectively bind ions anions salts. zwitterionic not only gives rise but promotes formation stable interface layer between electrolyte electrodes. Compared organic polymer (polyethylene oxide (PEO) poly(trimethyl carbonate) (PTMC)), SPPV@VEC‐SSEs an order magnitude lower release volatiles, significantly reducing their environmental impact across entire lifecycle. This work provides pathway preparing bio‐based sustainable long lifespans extreme conditions.

Language: Английский

Regulating Interfacial Chemistry to Boost Ionic Transport and Interface Stability of Composite Solid‐State Electrolytes for High‐Performance Solid‐State Lithium Metal Batteries DOI Open Access

Sifan Wen,

Zhefei Sun, Xiaoyu Wu

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

Abstract Composite solid‐state electrolytes (CSSEs) that combine the benefits of inorganic and polymer hold great potential for lithium metal batteries (SSLMBs) due to their high ionic conductivity superior mechanical properties. However, overall performance is severely hindered by several practical challenges, including component aggregation, poor interface behavior, limited Li + transport. Here, a unique ultrathin coating triaminopropyl triethoxysilane with bifunctional structure introduced effectively bridges fillers (Li 1+x Al x Ti 2‐x (PO 4 ) 3 , LATP) polyvinylidene fluoride hexafluoropropylene /polyethylene oxide matrix, thereby enabling high‐performance CSSEs (referred as SLPH). This design prevents LATP particle agglomeration, improves interfacial compatibility, ensures enrichment fast transport within SLPH. Consequently, SLPH exhibits low conduction energy barrier ( E = 0.462 eV), desirable (4.19 × 10 −4 S cm −1 at 60 °C), transference number 0.694). As result, SSLMBs SLPH, Li| |Li symmetric cells, LiFePO | coin‐type, pouch demonstrate rate capability long‐time cycling stability. work underscores significance surface functionalization create stable solid‐solid enhance conduction, paving way in SSLMBs.

Language: Английский

Citations

6
Toward High‐Performance, Flexible, Photo‐Assisted All‐Solid‐State Sodium‐Metal Batteries: Screening of Solid‐Polymer‐Based Electrolytes Coupled with Photoelectrochemical Storage Cathodes DOI Open Access
Ronghao Wang,

Yu‐Zhen Zhang,

Weiyi Wang

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Abstract The advancement of photo‐assisted rechargeable sodium‐metal batteries with high energy efficiency, lightweight structure, and simplified design is crucial for the growing demand in portable electronics. However, addressing intrinsic safety concerns liquid electrolytes sluggish reaction kinetics existing photoelectrochemical storage cathodes (PSCs) remains a significant challenge. In this work, functionalized light‐driven composite solid electrolyte (CSE) fillers are systematically screened, optimized PSC materials employed to construct advanced solid‐state battery (PSSMB). To further enhance mechanical properties poly(ethylene oxide) compatibility CSE, natural lignocellulose incorporated, enabling fabrication flexible PSSMBs. situ tests density functional theory calculations reveal that electric field facilitated sodium salt dissociation, reduced interfacial resistance, improved ionic conductivity (0.1 mS cm −1 ). Meanwhile, energy‐level matching maximized utilization photogenerated carriers, accelerating enhancing interface between cathode. resulting pouch‐type PSSMB demonstrates remarkable discharge capacity 117 mAh g outstanding long‐term cycling stability, retaining 89.1% its achieving an efficiency 96.8% after 300 cycles at 1 C. This study highlights versatile strategy advancing safe, high‐performance batteries.

Language: Английский

Citations

4
Photoexcitation‐Enhanced High‐Ionic Conductivity in Polymer Electrolytes for Flexible, All‐Solid‐State Lithium‐Metal Batteries Operating at Room Temperature DOI
Ronghao Wang, Weiyi Wang, Yuzhen Zhang

et al.

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

Published: Oct. 29, 2024

Abstract Designing solid polymer electrolytes (SPEs) with high ionic conductivity for room‐temperature operation is essential advancing flexible all‐solid‐state energy storage devices. Innovative strategies are urgently required to develop SPEs that safe, stable, and high‐performing. In this work, we introduce photoexcitation‐modulated heterojunctions as catalytically active fillers within SPEs, guided by photocatalytic design principles, meanwhile employ natural bacterial cellulose improve the compatibility poly(ethylene oxide), coordination environment of lithium salts, optimize both ion transport mechanical properties. situ photothermal experiments theoretical calculations reveal strong photogenerated electric field produced trace oxide) under photoexcitation significantly enhances salt dissociation, increasing concentration mobile Li + . This results in a substantial increase conductivity, reaching 0.135 mS cm −1 at 25 °C, transference number 0.46. The lithium‐metal pouch cells exhibit an impressive discharge capacity 178.8 mAh g even after repeated bending folding, demonstrate exceptional long‐term cycling stability, retaining 86.7 % their initial 250 cycles 1 C (25 °C). research offers novel approach developing high‐performance batteries.

Language: Английский

Citations

11
A Thermally Robust Biopolymeric Separator Conveys K+ Transport and Interfacial Chemistry for Longevous Potassium Metal Batteries DOI

Yuyuan Wang,

Liang Xu, Xiaopeng Chen

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Potassium metal batteries (KMBs) hold promise for stationary energy storage with certain cost and resource merits. Nevertheless, their practicability is greatly handicapped by dendrite-related anodes, the target design of specialized separators to boost anode safety in its nascent stage. Here, we develop a thermally robust biopolymeric separator customized via solvent-exchange amino-siloxane decoration strategy render durable safe KMBs. Through experimental investigation theoretical computation, reveal that optimized porosity surface functionalization could manage ion transport interfacial chemistry, thereby enabling efficient K+ diffusion favorable solid electrolyte interphase achieve prolonged cycling stability (over 3000 h). The thus-assembled full cell retains 80% initial capacity after 400 cycles at 0.5 A g–1. heat-proof property designed further demonstrated. Our separator, affording multifunctional features, provides an appealing solution circumvent instability issues associated potassium batteries.

Language: Английский

Citations

2
Tailoring Multiple Interactions in Poly (Urethane‐Urea)‐Based Solid‐State Polymer Electrolytes for Long‐Term Cycling Lithium Metal Batteries DOI Open Access
Di Hu, Hongzhang Huang,

Chenyang Wang

et al.

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 10, 2025

Abstract Polyethylene oxide (PEO)‐based solid polymer electrolytes (SPEs) are considered as one of the most promising candidates for next‐generation lithium metal batteries. However, their application is limited by poor electrode/electrolyte interfacial stability, low Li‐ions transference number, and weak mechanical strength. Herein, poly (urethane‐urea)‐based SPEs developed to enhance improve transport kinetics, provide superior properties. The (urethane‐urea) structure integrates abundant polar groups rigid conjugated moieties, which facilitate interactions with anions salt in SPEs, promoting number supporting formation a LiF‐rich electrolyte interphase (SEI) guide uniform deposition suppress dendrite growth. Furthermore, supramolecular crosslinked network formed through multiple hydrogen bonds π‐π stacking interactions, enhancing strength toughness SPEs. As result, Li//Li solid‐state symmetric cells assembled this SPE demonstrate stable cycling over 3000 h, while LiFePO 4 retain 93.6% initial capacity after 500 cycles at rate 1C. This work presents feasible design strategy developing highly functional materials.

Language: Английский

Citations

2
Stabilizing Sodium Metal Anodes by Functional Polymers DOI

Jingmiao Jia,

Bin Guo,

Huawei Gao

et al.

Materials Today Energy, Journal Year: 2024, Volume and Issue: 45, P. 101664 - 101664

Published: Aug. 10, 2024

Language: Английский

Citations

7
Upcycling Spent Poly(ethylene oxide) Electrolytes into High-Value-Added Lithium Fluoride Nanowhiskers DOI
K. Yue, Shihui Zou, Jiaao Wang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

All-solid-state batteries (ASSBs) represent a transformative advancement in energy storage, distinguished by their superior safety and density. However, the sustainable development of ASSBs depends critically on effective recycling solid electrolytes electrode materials from spent batteries, which poses significant challenges. Here, we present facile high-value-added carbothermal strategy for poly(ethylene oxide) (PEO)-based electrolytes. This approach enables direct synthesis one-dimensional lithium fluoride nanowhiskers (1D-LiF) utilizing PEO-based surface dead Li components. Through systematic investigation, identify two mechanisms growth 1D-LiF demonstrate high value these 1D LiF developing advanced composite simple efficient upcycling serves as valuable reference other solid-state supports ASSBs. The metal-catalysis-free also provides an instructive method rational metal halide nanomaterials.

Language: Английский

Citations

1
Galvanostatic cycling of a micron-sized solid-state battery: Visually linking void evolution to electrochemistry DOI Creative Commons
Haowen Gao,

Lin Chen,

Yuanpeng Liu

et al.

Science Advances, Journal Year: 2025, Volume and Issue: 11(14)

Published: April 4, 2025

The formation of interface voids, peculiar to the solid-solid contact between metal anodes and solid electrolytes (SEs), has become a fundamental obstacle for developing practical lithium solid-state batteries (SSBs). Addressing this issue requires operando observation void evolution with high spatio-temporal resolution direct linkage voids electrochemistry. Here, we present such an attempt by visualizing both stripping plating interfaces micron-sized SSB cycled in galvanostatic mode transmission electron microscope. Various voltage responses charge/discharge curves are well correlated nucleation, growth, refilling single voids. Notably, two distinct modes Li stripping, namely, void-growth void-free experimentally identified. We unveil roles stack pressure current density on evolutions, which suggests mechanism suppression without involving plastic deformation metal. Furthermore, Li|SE|Li symmetric SSBs enabling repeated cycling situ demonstrated.

Language: Английский

Citations

1
Thermal stability of PVDF-HFP based gel electrolyte for high performance and safe lithium metal batteries DOI
Xiaoxuan Wei, Yurui Deng, Xiangming Hu

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 157725 - 157725

Published: Nov. 1, 2024

Language: Английский

Citations

6
A Short Review and Future Prospects of Biomass-Based Solid Polymer Electrolytes for Improving the Performance of Lithium Metal Batteries DOI Creative Commons

Pei-Jin Lin,

Chu‐Chen Chueh

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, Journal Year: 2024, Volume and Issue: 57(1)

Published: Sept. 11, 2024

Language: Английский

Citations

4