A Novel Phosphorus-Doped Ge3n4 Powder as High-Capacity Anode Materials for Lithium-Ion Batteries DOI
Yan Wu, Jiachang Zhao, Jiajun Chen

et al.

Published: Jan. 1, 2024

Language: Английский

In-situ embedding silicon nanoparticles into three-dimensional ZnSe/CoSe composites with carbon shell enables high-performance lithium-ion battery anode DOI
Hui Zhang, Jiatong Li, Yajun Zhu

et al.

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: 1013, P. 178554 - 178554

Published: Jan. 1, 2025

Language: Английский

Citations

2
Emerging Nitrogen and Sulfur Co‐doped Carbon Materials for Electrochemical Energy Storage and Conversion DOI Open Access

Xia Chen,

Ping Feng,

Yong Zheng

et al.

Small, Journal Year: 2025, Volume and Issue: 21(11)

Published: Feb. 16, 2025

Abstract The growing global energy demands, coupled with the imperative for sustainable environmental challenges, have sparked significant interest in electrochemical storage and conversion (EESC) technologies. Metal‐free heteroatom‐doped carbon materials, especially those codoped nitrogen (N) sulfur (S), gained prominence due to their exceptional conductivity, large specific surface area, remarkable chemical stability, enhanced performance. strategic incorporation of N S atoms into framework plays a pivotal role modulating electron distribution creating catalytically active sites, thereby significantly enhancing EESC This review examines key synthetic strategies fabricating N, materials (NSDCMs) provides comprehensive overview recent advancements NSDCMs applications. These encompass various systems such as supercapacitors, alkali‐ion batteries, lithium–sulfur batteries. Energy processes, including hydrogen evolution, oxygen reduction/evolution, dioxide reduction are also covered. Finally, future research directions discussed field, aiming highlight promising potential multifunctional capabilities driving further systems.

Language: Английский

Citations

1
Free-Standing Leaf-Like CoNiSe2/NC@Ni3(PO4)2 Core–Shell Nanoarray Heterostructures for Flexible Asymmetric Supercapacitors DOI

Ying Geng,

Siyu Bi,

Junyi Zhang

et al.

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

Published: March 4, 2025

The rational design of a porous core–shell heterostructure with open spaces is an effective strategy to mitigate the aggregation and volume expansion active nanoelectrodes during charging/discharging processes. Herein, leaf-like CoNiSe2/NC@Ni3(PO4)2 hierarchical pores in situ grown on activated carbon cloth (CC) as free-standing electrode for flexible supercapacitors. collectively formed by both interspaces among adjacent structures channels vertically crossed Ni3(PO4)2 nanosheets not only significantly enhance electrolyte contact areas promote rapid penetration ion diffusion but also effectively buffer agglomeration nanoelectrode. Such unique spatial arrangement structure endow CoNiSe2/NC@Ni3(PO4)2/CC high specific capacitance 2505 F g–1 (1 A g–1) extended cycle life 91.1% capacity retention after 10,000 cycles, surpassing most reported electrodes similar compositions. combined experimental band analysis signifies that integrated CoNiSe2/Ni3(PO4)2 interfaces featuring optimized electronic accelerate charge transport improve redox-reaction kinetics, resulting significant enhancement electrochemical performance compared two individual components.

Language: Английский

Citations

1
Edge-Surface-Inter Carbon Nanoarchitecture on Silicon DOI
Yin Yang, Jian Wang, Dong Sun

et al.

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

Published: April 21, 2025

The huge volume changes of silicon (Si) anodes during cycling lead to continuous solid electrolyte interphase thickening, mechanical failure, and loss electrical contact, which have become key bottlenecks limiting their practical applications. This work presents a trimodal in situ growth strategy for constructing hierarchical carbon nanoarchitecture networks on Si substrates (Si@Gr@CNT). designed "Edge-Surface-Inter" (E-S-I) architecture exhibits three synergistic features: an edge-protruding structure forming vertical conductive channels rapid Li+ transport, surface-entangled providing enhancement, interbridging three-dimensional electron transport networks. Si@Gr@CNT electrode demonstrates 63.2% improvement half-cell rate performance compared with traditional Si@Gr. E-S-I contributes suppressing excessive LiF formation through improved local current distribution, devoted the stable thinner layer. network possesses significant stress regulation effect, provides release space direction lateral buffering surface flexible entanglement. For applications, full cell assembled LiFePO4 cathode Si@Gr@CNT/graphite composite anode delivers high energy density enhanced durability. study establishes nanoarchitectures design insights into high-performance Si-based electrodes.

Language: Английский

Citations

0
Advancement in Research on Silicon/Carbon Composite Anode Materials for Lithium-Ion Batteries DOI Creative Commons

Binbin Jin,

Liwei Liao, Xinyi Shen

et al.

Metals, Journal Year: 2025, Volume and Issue: 15(4), P. 386 - 386

Published: March 29, 2025

Silicon stands out as an exceptionally viable anode material, distinguished by its substantial capacity, plentiful natural reserves, eco-friendliness, and favorable low working potential. Nonetheless, the material’s pronounced volume fluctuations readily induce particle fragmentation, detachment of active components, repeated disruption solid electrolyte interphase (SEI) layer. These factors contribute to a shortened cycle life rapid capacity fading, thus hindering practical application. The carbon composite approach can efficiently counteract these issues capitalizing on silicon’s high employing cushioning agent diminish swelling, enhancing deployment silicon-based materials. This paper offers exhaustive examination lithiation processes involved in Si/C anodes delves into strategic utilization diverse materials, including graphite, graphene, graphdiyne, nanotubes, fibers, MXenes, pitch, heteroatom-doped polymers, biomass-derived carbon, carbon-containing gas-derived MOFs, g-C3N4 advance application silicon lithium-ion battery (LIB) anodes. Overall, this concentrates summarizing current research status technological advancement juxtaposes merits demerits various sources anodes, providing comprehensive assessment forward-looking perspective their future development.

Language: Английский

Citations

0
High-Toughness and Hierarchical Stress-Dissipating Binder Based on Physicochemical Dual-Cross-Linking for High-Performance Silicon Anodes DOI
Yang He, Feng Zhou, Yingxi Zhang

et al.

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

Published: March 31, 2025

Silicon (Si) is a promising anode material for next-generation lithium-ion batteries (LIBs), but the huge volume change of Si particles causes fracture and delamination from current collector, thereby stifling practical implementation. Herein, high-toughness hierarchical stress-dissipating binder anodes prepared by covalent hydrogen bonding poly(acrylic acid) (PAA) cross-linked polyurethane (CPU). The physicochemical dual-cross-linked CPU-PAA with high toughness, large tensile strength, stress dissipation improves structural integrity minimizes thickness swelling. Finite element analysis confirms that reduces uniformizes distribution within during cycling. As result, Si/CPU-PAA shows capacity retention 82.3% after 150 cycles at density 5 A g–1. Moreover, Si/CPU-PAA//LiNi0.5Co0.2Mn0.3O2 full cell delivers stable cycling performance, highlighting great potential in high-energy-density LIBs. This work provides insights into design high-strength, large-toughness, efficient binders high-performance anodes.

Language: Английский

Citations

0
Research progress on the structure design of nano-silicon anode for high-energy lithium-ion battery DOI
Jingyuan Li, Fei Wang, Lingxiao Xue

et al.

Applied Energy, Journal Year: 2025, Volume and Issue: 390, P. 125820 - 125820

Published: April 2, 2025

Language: Английский

Citations

0
Enhanced lithium-ion diffusion kinetics of silicon anode via in-situ forming high ion conductive Li3N-rich carbon interface derived from g-C3N4 coating DOI

Haoqin Feng,

Jiaguo Deng,

Yu Liu

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 163518 - 163518

Published: May 1, 2025

Language: Английский

Citations

0
Gradient design for Si-based microspheres as ultra-stable Li-storage anode DOI
Yanpeng Wang,

Jinyue Song,

Hongguang Fan

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: unknown, P. 103939 - 103939

Published: Dec. 1, 2024

Language: Английский

Citations

3
Heteroatom-Doped carbon dots as ’On-Off-On’ fluorescent sensors for Fe3+ and L-cysteine detection with applications in real samples and Colon cancer cell imaging DOI

R. Tamizhselvi,

Kuppu Sakthi Velu,

Ayyakannu Arumugam Napoleon

et al.

Inorganic Chemistry Communications, Journal Year: 2024, Volume and Issue: 172, P. 113662 - 113662

Published: Nov. 29, 2024

Language: Английский

Citations

2