An overview on the life cycle of lithium iron phosphate: synthesis, modification, application, and recycling

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 485, P. 149923 - 149923

Published: Feb. 25, 2024

Language: Английский

---

Toward Sustainable Lithium Iron Phosphate in Lithium‐Ion Batteries: Regeneration Strategies and Their Challenges

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(44)

Published: May 20, 2024

Abstract In recent years, the penetration rate of lithium iron phosphate batteries in energy storage field has surged, underscoring pressing need to recycle retired LiFePO 4 (LFP) within framework low carbon and sustainable development. This review first introduces economic benefits regenerating LFP power development history LFP, establish necessity recycling. Then, entire life cycle process failure mechanism are outlined. The focus is on highlighting advantages direct recycling technology for materials. Directly materials a very promising solution. spent (S‐LFP) can not only protect environment save resources, but also directly add atoms vacancies missing repair S‐LFP At same time, simply supplementing simplifies recovery improves benefits. status various methods then reviewed terms regeneration process, principles, advantages, challenges. Additionally, it noted that currently its early stages, there challenges alternative directions

Language: Английский

---

Turning waste tyres into carbon electrodes for batteries: Exploring conversion methods, material traits, and performance factors

Carbon Energy, Journal Year: 2024, Volume and Issue: unknown

Published: June 7, 2024

Abstract Waste tyres (WTs) are a major global issue that needs immediate attention to ensure sustainable environment. They often dumped in landfills or incinerated open environments, which leads environmental pollution. However, various thermochemical conversion methods have shown promising results as treatment routes tackle the WT problem while creating new materials for industries. One such material is char, has properties comparable those of carbon used an active electrode batteries. Therefore, systematic review approaches convert WTs into applications was conducted. The shows pretreatment processes, process routes, and operating parameters affect derived its respective electrochemical performance. WT‐derived potential yield high specific capacity greater than traditional graphite (372 mAh g −1 ) commonly lithium‐ion Finally, outlines challenges well opportunities future research directions from WTs.

Language: Английский

---

Direct regeneration of fluorine-doped carbon-coated LiFePO4 cathode material from spent lithium-ion battery

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(18), P. 9791 - 9801

Published: Jan. 1, 2024

Fluorine-doped carbon-coated LiFePO 4 materials are regenerated by sintering residual PVDF after separating spent electrode strips via methanol-citric acid, with a good capacity of 141.5 mA h g −1 at 1C and retention rate 99.6% 100 cycles.

Language: Английский

---

Li-current collector interface in lithium metal batteries

Nano Research, Journal Year: 2024, Volume and Issue: 17(10), P. 8706 - 8728

Published: July 24, 2024

Language: Английский

---

Chemical-Free Recycling of Cathode Material and Aluminum Foil from Waste Lithium-Ion Batteries by Combining Plasma and Ultrasonic Technology

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(24), P. 31076 - 31084

Published: June 7, 2024

With the rapid demand for lithium-ion batteries due to widespread application of electric vehicles, a significant amount battery electrode pieces requiring urgent treatment are generated during production and disposal. The strong bonding caused by presence binders makes it challenging achieve thorough separation between cathode active materials Al foil, posing difficulties in efficient material recycling. To address this issue, plasma-ultrasonically combined physical method is proposed study. This utilizes plasma-generated excited-state radicals assisted ultrasonic waves separate current collectors. results indicate that effectively decomposed under plasma at 13.56 MHz, 100 W, 10 min an oxygen atmosphere, resulting efficiency 96.8 wt % materials. Characterization demonstrate morphology, crystal structure, chemical composition recycled remain unchanged, facilitating subsequent direct restoration hydrometallurgical Simultaneously, foil also completely reuse. Compared with traditional methods separating aluminum study has economic environmental potential. It can promote recycling development sustainable transportation.

Language: Английский

---

Pyrometallurgical Approach to Extracting Valuable Metals from a Combination of Diverse Li-Ion Batteries’ Black Mass

ACS Sustainable Resource Management, Journal Year: 2024, Volume and Issue: 1(8), P. 1759 - 1767

Published: July 22, 2024

Li-ion batteries (LIBs) are widely used nowadays. Because of their limited lifetimes and resource constraints in manufacturing them, it is essential to develop effective recycling routes recover valuable elements. This study focuses on the pyrometallurgical black mass (BM) from a mixture different LIBs. In this study, high-temperature behavior two types mixed BM initially examined. Subsequently, effect mechanical activation reduction kinetics investigated. Finally, hematite added first be reduced by excess graphite second form an Fe-based alloy containing Co Ni. demonstrates that does not necessarily affect behavior. Furthermore, alloy-making addition successful method simultaneously utilize Ni, regardless LIB type.

Language: Английский

---

Rate‐Dependent Failure Behavior Regulation of LiFePO₄ Cathode via Functional Interface Engineering

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

Published: Jan. 23, 2025

Abstract LiFePO 4 is extensively used as a cathode material in lithium‐ion batteries because of its high safety profile, affordability, and extended cycle life. Nevertheless, inherently low transport kinetics restricted electronic conductivity considerably limit rate performance. Furthermore, the failure mechanisms specific to various cycling rates are not well examined. This study presents functional interface layer designed regulate rate‐dependent behavior . At elevated charge/discharge rates, this facilitates mobility, decreases internal polarization, alleviates mechanical stress, reduces structural degradation. lower it contributes formation stable cathode‐electrolyte interphase (CEI), effectively suppressing side reactions minimizing active lithium loss. Consequently, modified demonstrates enhanced stability capacity retention, with retention after 400 cycles at 2C increasing from 76.5% 98.6% 5C 40.2% 90.0%. Through combinations experimental data theoretical analysis, elucidates key underlying rate‐specific regulation, providing valuable insights into relationship between ion dynamics stability. approach represents an effective strategy for supporting potential use advanced energy storage systems that require both rapid charging prolonged

Language: Английский

---

The Charge Storage Mechanism and Durable Operation in Olivine–Lithium–Iron–Phosphate for Mn‐based Hybrid Batteries

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

Published: March 17, 2025

Abstract Aqueous batteries have garnered considerable attention because of their cost‐effectiveness, sufficient capacity, and non‐flammable water‐based electrolytes. Among these, manganese are particularly attractive owing to stability, abundance, affordability, higher energy density. With a lower redox potential (Mn: −1.19 V vs SHE) than zinc (Zn: −0.76 SHE), theoretically offer superior density over traditional zinc‐based systems. In this study, LiFePO 4 is introduced as cathode material in aqueous manganese‐based hybrid for the first time. Through electrochemical characterization advanced structural spectroscopic analyses, charge storage mechanisms protons FePO elucidated. Cation diffusion pathways also investigated via barrier calculations. This study presents with good stability capacity ≈109.2 mAh g −1 at 40 mA , alongside cycle retention 42.1% after 3000 cycles 320 . Furthermore, an Mn 2+ /Li + battery, achieving ≈1.6 durability (81.5% @ 1000th), proposed.

Language: Английский

---

Architecture Engineering for Thick Electrodes in High-Energy Batteries: Challenges and Strategies

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

Published: March 18, 2025

With the burgeoning demand for smart portable electronic devices and high-performance electric vehicles, there is tremendous urgency to further dramatically improve energy density of rechargeable batteries. Although utilizing thick electrodes a straightforward productive approach, slow reaction kinetics inadequate mechanical strength caused by thickness increase have hampered their development. Therefore, break through bottleneck electrodes, we comprehensively summarize recent progress electrode architecture engineering in field Considering relationship between structure electrochemical performance, focus on four crucial challenges (high tortuosity, electron ion transport, improper porosity, visible cracking) corresponding solutions (constructing vertically aligned hierarchical channels, introducing multidimensional conductive materials, regulating degree calendering, so on) constructing electrodes. Finally, construction strategy inextricable these factors are summarized, an outlook development research directions toward discussed, providing valuable reference designing

Language: Английский

---