Fundamental Understanding and Facing Challenges in Structural Design of Porous Si‐Based Anodes for Lithium‐Ion Batteries

Advanced Functional Materials, Год журнала: 2023, Номер 33(26)

Опубликована: Март 28, 2023

Abstract As one of the most electrochemical energy storage devices, lithium‐ion batteries (LIBs) remain workhorse market due to their unparalleled advantages. Remarkably, Si‐based materials play a pivotal role in LIBs anodes owing ultrahigh theoretical capacity Si and rich natural resources. However, bulk silicon are difficult meet current commercial demand because low conductivity, sluggish reaction kinetics, huge volume expansion. The construction porous structures has been acknowledged as an effective way solve above issues. Herein, delicate design anode including synthetic strategies, engineering surface morphology micro/nano‐structure, regulation different compositions, well applications is systematically summarized. Particularly, fine pore parameters for on focus. Importantly, relationship between thick electrodes tortuosity/porosity, structural effect pores battery performance also discussed depth. Finally, full‐cells achievements briefly described. This review expected provide basic understanding deep insight into developing high‐energy lithium storage.

Язык: Английский

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Advances of lithium-ion batteries anode materials—A review

Chemical Engineering Journal Advances, Год журнала: 2023, Номер 16, С. 100569 - 100569

Опубликована: Окт. 25, 2023

Lithium-ion battery (LIB) research and development has witnessed an immense spike in activity recent years due to the astonishing surge demand for portable, environmentally acceptable energy sources across various industries. This need resulted a significant increase number of companies conducting LIB storing electrical intrinsic features that they contain. LIBs have become go-to alternative portable devices electric vehicles. These properties include lightweight structure, high density, small size, little memory effects, extended lifespan, environmental friendliness. Other advantages longer lifespan reduced impact on environment. review thoroughly examines storage technology changes. It shows move away from harmful greener ones. highlights creative options match our rapidly changing technological world.

Язык: Английский

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Efficient implementation of kilogram-scale, high-capacity and long-life Si-C/TiO2 anodes

Energy storage materials, Год журнала: 2023, Номер 56, С. 319 - 330

Опубликована: Янв. 16, 2023

Язык: Английский

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Challenges and opportunities of practical sulfide-based all-solid-state batteries

eTransportation, Год журнала: 2023, Номер 18, С. 100272 - 100272

Опубликована: Авг. 21, 2023

All-solid-state batteries (ASSBs) are regarded as the most promising next-generation for electric vehicles in virtue of their potential advantages enhanced safety, high energy density and power capability. Among ASSBs based on various solid electrolytes (SEs), sulfide-based have attracted increasing attention due to ionic conductivity sulfide SEs which is comparable that liquid electrolytes. Extensive efforts from academia industry been made develop ASSBs, several significant progress has achieved recent years. However, successful fabrication high-performance rarely reported, practical application still faces a variety challenges. Herein, following bottom-up approach, we present comprehensive review critical issues material, interface, composite electrode cell levels. The existing challenges, advances, future research directions at multiple levels discussed. Finally, processes scaling up pilot/mass production schedules leading companies also introduced. Facing challenges opportunities, highly encourage joint cooperation across battery community promote ASSBs.

Язык: Английский

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Disordered materials for high-performance lithium-ion batteries: A review

Nano Energy, Год журнала: 2024, Номер 121, С. 109250 - 109250

Опубликована: Янв. 3, 2024

Disordered materials (DMs) have become promising in the advancement of lithium-ion batteries (LIBs). Their disordered, open structure is conductive to facilitate efficiency storage. DMs with tunable compositions also possess abundant defects that can interact Li+, further enhancing their electrochemical performances LIBs. Yet, revealing structural origin superior properties DM-based LIBs remains a challenge. In this article, we review recent advances development components for LIBs, such as anodes, cathodes, coating layers, and solid-state electrolytes. We describe primary preparation characterization methods utilized DMs, while describing mechanisms involved DM synthesis. This article addresses correlation between performances. Moreover, elucidate challenges future perspectives summarize key advantages LIB performance over crystalline counterparts, providing insights developing through tailored development.

Язык: Английский

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Enhancing the performance of silicon-based anode materials for alkali metal (Li, Na, K) ion battery: A review on advanced strategies

Materials Today Communications, Год журнала: 2024, Номер 39, С. 108653 - 108653

Опубликована: Март 16, 2024

Silicon (Si) has emerged as a promising next-generation anode materials in alkali metal (Li, Na, K) ion batteries due to its high theoretical capacity, suitable working voltage, and abundance the Earth's crust. However, Si's low conductivity breathing effect during charging discharging processes cause material degradation, significant volume changes, loss of specific capacity. Extensive research focused on developing various nanostructured Si-based address these challenges. Nonetheless, bare nanostructured-Si still undergoes pulverization processes, leading side reactions cell impedance, which result poor cycle life Si anodes for metal-ion (AIBs). To overcome issues, researchers have pursued development silicon-based using diverse engineering approaches. This review highlights most recent impactful high-performance AIBs. It begins by outlining electrochemical reaction mechanisms challenges associated with AIBs, then presents approaches, including architectural Si, surface materials, construction composites improve battery performance. Finally, discusses anticipated opportunities

Язык: Английский

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Structural Design and Challenges of Micron‐Scale Silicon‐Based Lithium‐ion Batteries

Advanced Science, Год журнала: 2025, Номер unknown

Опубликована: Янв. 9, 2025

Abstract Currently, lithium‐ion batteries (LIBs) are at the forefront of energy storage technologies. Silicon‐based anodes, with their high capacity and low cost, present a promising alternative to traditional graphite anodes in LIBs, offering potential for substantial improvements density. However, significant volumetric changes that silicon‐based undergo during charge discharge cycles can lead structural degradation. Furthermore, formation excessive solid‐electrolyte interphases (SEIs) cycling impedes efficient migration ions electrons. This comprehensive review focuses on design optimization micron‐scale from both materials systems perspectives. Significant progress is made development advanced electrolytes, binders, conductive additives complement half full‐cells. Moreover, advancements system‐level technologies, such as pre‐lithiation techniques mitigate irreversible Li + loss, have enhanced density lifespan full cells. concludes detailed classification underlying mechanisms, providing summary guide high‐energy‐density devices. It also offers strategic insights address challenges associated large‐scale deployment LIBs.

Язык: Английский

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Orchestrating a Controllable Engineering of Dual‐Model Carbon Structure in Si/C Anodes

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 12, 2025

Abstract Silicon‐carbon composites (Si/C) with multistage structures enable structural integrity during cycling. However, the lack of controllable structure preparation on a large scale hinders stability improvement in practical applications. Herein, new strategy is proposed to synthesize kilogram‐scale Si/C (PySi/C) featuring dual‐model carbon one step. The combination an onion‐like coating Si surface independent pyrolytic accomplished through precise adjustment pyrolysis temperature. formation mechanism unraveled, detailing cooperative coupling nucleation laws compositions as well changes trends morphology and crystallinity. This density functional theory finite element analysis highlight structure's essential contribution electrochemical behavior stability. As expected, PySi/Cs anodes deliver stable cycling performance retention 91.5% after 800 cycles at 2 A g −1 . Its comprehensive surpasses that state‐of‐the‐art Si‐based anode reported. Moreover, assembled pouch cell exhibits actual competitiveness, showing capacity 1.97 Ah 88.9% 300 1 C. work provides valuable design concepts further advance development anodes.

Язык: Английский

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Research progress in O3-type phase Fe/Mn/Cu-based layered cathode materials for sodium ion batteries

Journal of Materials Chemistry A, Год журнала: 2022, Номер 10(8), С. 3869 - 3888

Опубликована: Янв. 1, 2022

Sodium ion batteries has great potential in energy storage system, electric vehicles, and power supply. Advantages, existing problems corresponding modification methods of O3-type Na x Mn 1− y − z Fe Cu O 2 cathode materials was discussed detail.

Язык: Английский

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Recent advances in modification strategies of silicon-based lithium-ion batteries

Nano Research, Год журнала: 2022, Номер 16(3), С. 3781 - 3803

Опубликована: Ноя. 21, 2022

Язык: Английский

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