Multifunctional AlPO4 Coating for Improving Electrochemical Properties of Low-Cost Li[Li0.2Fe0.1Ni0.15Mn0.55]O2 Cathode Materials for Lithium-Ion Batteries

Wu, Feng; Zhang, Xiaoxiao; Zhao, Taolin; Li, Li; Xie, Man; Chen, Renjie

doi:10.1021/am508579r

Cited by 205 publications

(90 citation statements)

References 44 publications

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“…That is why, surface coatings with Al 2 O 3 , AlF 3 , AlPO 4 , MgO, with a novel surface configuration of Mg 3 (PO 4 ) 2 or effective modification by Li 2 MnO 3 which suppress layered-to-spinel transitions can stabilize capacity and voltage decay upon prolonged cycling of Li-, Mn-rich cathodes. [60][61][62][63][64][65] Similar results were obtained by doping of these cathodes with foreign cations (Na, Mg, Al, Zr, etc.) as described below.…”

Section: Efforts To Reduce Capacity Fading and Discharge Voltage Decasupporting

confidence: 70%

“…[61] Wu et al reported that 5 wt% of AlPO 4 exhibited the best cyclic performance (74.4% capacity retention after 50 cycles) due to suppression of surface side reactions and diffusion of oxygen vacancies and acceleration of Li-ion transport. [63] Composite materials of Li-, Mn-rich oxides with high voltage spinel were found to stabilize the layered structure and suppress the layered-to-spinel transformation, thus improving the A schematic presentation of layered-to-spinel transformation of rhombohedral and monoclinic components of a layered-layered cathode material. Reproduced with permission.…”

Section: Efforts To Reduce Capacity Fading and Discharge Voltage Decamentioning

confidence: 99%

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Review on Challenges and Recent Advances in the Electrochemical Performance of High Capacity Li‐ and Mn‐Rich Cathode Materials for Li‐Ion Batteries

Nayak

Erickson

Schipper

et al. 2017

Advanced Energy Materials

505

304

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CO 2 emissions. Hence, transportation dependent on electrical propulsion (electric vehicles) instead of internal combustion engines can greatly reduce the pollution caused by our transportation infrastructure. While rechargeable Li-ion batteries are the major power source for portable electronic devices such as smartphones and laptop computers, further improvements in their energy density is required in order to promote electrochemical propulsion devices that can compete with internal combustion engines. [1] The energy density of Li-ion batteries depends on the specific capacities and redox potentials of their electrode materials. Layered lithiated transition metal oxides such as LiCoO 2 , LiNi 1/2 Mn 1/2 O 2 , and LiNi 1/3 Mn 1/3 Co 1/3 O 2 ("NMC 111") were extensively studied as cathodes, which can exhibit specific capacities ≤160 mA h g −1 with an upper potential limit of 4.3 V versus Li. [2] The high cost, low thermal stability, and fast capacity fading at high current rates or during deep cycling of currently used LiCoO 2 necessitated the development of other layered cathodes, such as LiNi 1/2 Mn 1/2 O 2 , NMC 111, etc. The electrochemical performance of these layered metal oxides was recently reviewed by Yushin and coworkers. [3] Higher capacities can be extracted from layered metal oxide cathodes by cycling to upper potentials of about 4.5 V, however, driving these layered cathode materials to such high potentials enhances the structural instability and impedance growth. [4,5] Another important direction is the development of Ni-rich NCM cathode materials. As the content of Ni is higher, the specific capacity that can be extracted is higher as

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Section: Efforts To Reduce Capacity Fading and Discharge Voltage Decasupporting

confidence: 70%

Section: Efforts To Reduce Capacity Fading and Discharge Voltage Decamentioning

confidence: 99%

Review on Challenges and Recent Advances in the Electrochemical Performance of High Capacity Li‐ and Mn‐Rich Cathode Materials for Li‐Ion Batteries

Nayak

Erickson

Schipper

et al. 2017

Advanced Energy Materials

505

304

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show abstract

“…2017, 7, 1601284 www.advenergymat.de www.advancedsciencenews.com initial layered structure to spinel phase, which facilitates the Li + ion conduction and improves the rate performance of the LMR cathode Li [Li 0.19 Ni 0.16 Co 0.08 Mn 0.57 ]O 2 . From this perspective, other surface coatings or modifications that could stabilize the electrode/electrolyte interface have been repeatedly reported to enhance the rate performance of LMR cathodes, such as Al 2 O 3 , [94] FePO 4 , [95] Pr 6 O 11 , [96] AlPO 4 , [97] F-doped SnO 2 (FTO), [98] Li 2 O-LiBO 2 -Li 3 BO 3 glass coating, [99] MnO 2 modification, [100] and so on. From this perspective, other surface coatings or modifications that could stabilize the electrode/electrolyte interface have been repeatedly reported to enhance the rate performance of LMR cathodes, such as Al 2 O 3 , [94] FePO 4 , [95] Pr 6 O 11 , [96] AlPO 4 , [97] F-doped SnO 2 (FTO), [98] Li 2 O-LiBO 2 -Li 3 BO 3 glass coating, [99] MnO 2 modification, [100] and so on.…”

Section: Wileyonlinelibrarycommentioning

confidence: 99%

Li‐ and Mn‐Rich Cathode Materials: Challenges to Commercialization

Zheng

Myeong

Cho

et al. 2016

Advanced Energy Materials

417

302

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Lithium ion batteries (LIBs) have received worldwide attention as power sources for electric vehicles (EVs) and portable energy storage. [1] However, research to address the limited cycle life, rate capability, energy density, safety concern and cost issue of commercialized LiCoO 2 (LCO), LiNi x Mn y Co z O 2 (NMC), LiNi 0.80 Co 0.15 Al 0.05 O 2 (NCA) and LiFePO 4 (LFP) is still ongoing for their large-scale application in EVs and the electricity grid. [1b] The lithium-and manganese-rich (LMR) layered structure cathode materials xLi 2 MnO 3 ·(1−x)LiMO 2 (M = Ni, Co, Mn or combinations) have entered the spotlight becauseThe lithium-and manganese-rich (LMR) layered structure cathodes exhibit one of the highest specific energies (≈900 W h kg −1 ) among all the cathode materials. However, the practical applications of LMR cathodes are still hindered by several significant challenges, including voltage fade, large initial capacity loss, poor rate capability and limited cycle life. Herein, we review the recent progress and in depth understandings on the application of LMR cathode materials from a practical point of view. Several key parameters of LMR cathodes that affect the LMR/graphite full-cell operation are systematically analyzed. These factors include the first-cycle capacity loss, voltage fade, powder tap density, and electrode density. New approaches to minimize the detrimental effects of these factors are highlighted in this work. We also provide perspectives for the future research on LMR cathode materials, focusing on addressing the fundamental problems of LMR cathodes while keeping practical considerations in mind. Center. Cho' current research is focused on high-energydensity cathode and anode materials and their direct implantation in ful-cell systems, as well as metal-air batteries and redox flow batteries for energy storage.Ji-Guang (Jason) Zhang is a Laboratory Fellow of the Pacific Northwest National Laboratory. He is the group leader for PNNL's efforts in energy storage for transportation applications and has 25-year experience in the development of energy storage devices, including Li-ion batteries, Li-air batteries, Li-metal batteries, Li-S batteries, and thin-film solid-state batteries.

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“…Various effective methods have been adopted to solve these critical problems via coatings of sundry materials [9][10][11][12][13], such as metal oxides [14,15], metal phosphates [16,17], and metal fluorides [18]. A proper coating layer can defend the electrode surface from direct contact with the electrolyte and reduce the side-reactions between the electrolyte and electrode [19,20].…”

Section: Introductionmentioning

confidence: 99%

Enhanced electrochemical properties of Li[Li0.2Mn0.54Ni0.13Co0.13]O2 via lithium boron oxide glass surface treatment

Bai

Wang

et al. 2016

Solid State Ionics

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Multifunctional AlPO₄ Coating for Improving Electrochemical Properties of Low-Cost Li[Li_0.2Fe_0.1Ni_0.15Mn_0.55]O₂ Cathode Materials for Lithium-Ion Batteries

Cited by 205 publications

References 44 publications

Review on Challenges and Recent Advances in the Electrochemical Performance of High Capacity Li‐ and Mn‐Rich Cathode Materials for Li‐Ion Batteries

Review on Challenges and Recent Advances in the Electrochemical Performance of High Capacity Li‐ and Mn‐Rich Cathode Materials for Li‐Ion Batteries

Li‐ and Mn‐Rich Cathode Materials: Challenges to Commercialization

Enhanced electrochemical properties of Li[Li0.2Mn0.54Ni0.13Co0.13]O2 via lithium boron oxide glass surface treatment

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