A Novel Aliphatic Ketone‐Based Solid Polymer Electrolyte with High Salt‐Soluble Ability Enabling Highly Stable Lithium‐Metal Batteries DOI
Yuchen Jiang, Baerlike Wujieti, Yu Liu

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 29, 2024

Abstract Low room temperature ionic conductivity and interfacial incompatibility are the key factors that hinder practical application of solid polymer electrolyte (SPEs) in lithium metal batteries. Increasing ability SPEs to dissolve dissociate salt is helpful enhance ion transport capacity SPEs. Herein, ketone groups with high solubility dissociation introduced into structural design SPE, an aliphatic (KT@SPE) crosslinking structure prepared by ultraviolet (UV) polymerization. The KT@SPE shows excellent viscoelastic possess 10 −4 S cm −1 200 wt% bis((trifluoromethyl)sulfonyl)azanide (LiTFSI). Thanks contribution capacity, construction multi‐hydrogen bonds network a wettability controlling residual dimethyl sulfoxide (DMSO) solvent interface, assembled symmetrical Li cell realizes stable cycling for over 2000 h at 0.15 mA −2 . Moreover, LiFePO 4 achieves long cycle 5C enable Li/KT@SPE 3 /LiFe 0.6 Mn 0.4 PO operates 4.4 V. This work not only provides strategy preparing novel electrolytes, but also exhibits potential ketone‐based solid‐state batteries current density voltage.

Язык: Английский

Ultrafast Catalytic Pyrolysis and Induction of High-Rate Artificial Defect Graphite under High Pressure DOI

Benkuan Liang,

Yan Lv, Jian Wang

и другие.

ACS Applied Energy Materials, Год журнала: 2024, Номер 7(11), С. 4665 - 4676

Опубликована: Май 17, 2024

Nowadays, graphite anodes have gradually disrupted the balance between commercial supply and industrial structure due to high process cost resource consumption. Under predicament of increasing risk control, it is urgent seek an innovation strategy get rid limitation conventional high-energy consumption chain. Here, we constructed a defective using high-pressure catalytic pyrolysis filter paper in just 10 min. Among them, sample containing 10% catalyst exhibited rich defects pores (DPAG-10) after purification, achieving capacity 301 mAh g–1 500 cycles at 4 C, which near times higher than that natural (NG). Pressure-induced high-performance seems be effective for perfecting coordinating dynamic network market demand industry.

Язык: Английский

Процитировано

1
Ultra‐tough Dynamic Supramolecular Ion‐conducting Elastomer Induced Uniform Li+ Transport and Stabilizes Interphase Ensures Dendrite‐free Lithium Metal Anodes DOI Open Access

Hong Liu,

Fengxu Zhen,

Xiangkai Yin

и другие.

Angewandte Chemie International Edition, Год журнала: 2024, Номер unknown

Опубликована: Окт. 11, 2024

Abstract Artificial polymer solid electrolyte interphases (SEIs) with microphase‐separated structures provide promising solutions to the inhomogeneity and cracking issues of natural SEIs in lithium metal batteries (LMBs). However, achieving homogeneous ionic conductivity, excellent mechanical properties, superior interfacial stability remains challenging due interference from hard‐phase domains ion transport solid‐solid interface metal. Herein, we present a dynamic supramolecular ion‐conducting poly (urethane‐urea) interphase (DSIPI) that achieves these three properties through modulating constructing composite SEI situ. The soft‐phase polytetrahydrofuran backbone, featuring loose Li + −O coordinating interactions, ensures uniform transport. Concurrently, sextuple hydrogen bonds hard phase dissipate strain energy sequential bond cleavage, thereby imparting exceptional properties. Moreover, enriched bis (trifluoromethanesulfonyl) imide anion (TFSI − ) DSIPI promotes situ formation stable polymer‐inorganic during cycling. Consequently, DSIPI‐protected anode (DSIPI@Li) enables symmetric cells cyclability exceeding 4,000 hours at an ultra‐high current density 20 mA cm −2 , demonstrating cycling stability. Furthermore, DSIPI@Li facilitates operation pouch under constraints high‐loading LiNi 0.8 Co 0.1 Mn O 2 cathode low negative/positive capacity (N/P) ratio. This work presents powerful strategy for designing artificial high‐performance LMBs.

Язык: Английский

Процитировано

1
Molecular brush-based ultrathin polymer electrolytes with stable interfaces for high-voltage large-areal-capacity lithium metal batteries DOI Creative Commons

Rongfeng Liao,

Congping Li,

Minghong Zhou

и другие.

Chemical Science, Год журнала: 2024, Номер 15(44), С. 18327 - 18334

Опубликована: Янв. 1, 2024

An ultrathin polymer electrolyte with superior ionic conductivity and stable electrolyte/electrode interfaces enables a high-loading Li/NCM811 cell capacity retention of up to 71% after 400 cycles at high cut-off voltage 4.5 V.

Язык: Английский

Процитировано

1
Versatile Biopolymers for Advanced Lithium and Zinc Metal Batteries DOI
Shimei Li, Chunyi Zhi

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 26, 2024

Lithium (Li) and zinc (Zn) metals are emerging as promising anode materials for next-generation rechargeable metal batteries due to their excellent electronic conductivity high theoretical capacities. However, issues such uneven ion deposition uncontrolled dendrite growth result in poor electrochemical stability, limited cycle life, rapid capacity decay. Biopolymers, recognized abundance, cost-effectiveness, biodegradability, tunable structures, adjustable properties, offer a compelling solution these challenges. This review systematically comprehensively examines biopolymers protective mechanisms Li Zn anodes. It begins with an overview of biopolymers, detailing key types, properties. The then explores recent advancements the application artificial solid electrolyte interphases, additives, separators, solid-state electrolytes, emphasizing how structural properties enhance protection improve performance. Finally, perspectives on current challenges future research directions this evolving field provided.

Язык: Английский

Процитировано

1
A Novel Aliphatic Ketone‐Based Solid Polymer Electrolyte with High Salt‐Soluble Ability Enabling Highly Stable Lithium‐Metal Batteries DOI
Yuchen Jiang, Baerlike Wujieti, Yu Liu

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 29, 2024

Abstract Low room temperature ionic conductivity and interfacial incompatibility are the key factors that hinder practical application of solid polymer electrolyte (SPEs) in lithium metal batteries. Increasing ability SPEs to dissolve dissociate salt is helpful enhance ion transport capacity SPEs. Herein, ketone groups with high solubility dissociation introduced into structural design SPE, an aliphatic (KT@SPE) crosslinking structure prepared by ultraviolet (UV) polymerization. The KT@SPE shows excellent viscoelastic possess 10 −4 S cm −1 200 wt% bis((trifluoromethyl)sulfonyl)azanide (LiTFSI). Thanks contribution capacity, construction multi‐hydrogen bonds network a wettability controlling residual dimethyl sulfoxide (DMSO) solvent interface, assembled symmetrical Li cell realizes stable cycling for over 2000 h at 0.15 mA −2 . Moreover, LiFePO 4 achieves long cycle 5C enable Li/KT@SPE 3 /LiFe 0.6 Mn 0.4 PO operates 4.4 V. This work not only provides strategy preparing novel electrolytes, but also exhibits potential ketone‐based solid‐state batteries current density voltage.

Язык: Английский

Процитировано

1