ChemInform Abstract: A Novel Concept for the Synthesis of an Improved LiFePO<sub>4</sub> Lithium Battery Cathode.

Croce, F.; D’Epifanio, Alessandra; Hassoun, Jusef; Deptula, A.; Olczac, T.; Scrosati, B.

doi:10.1002/chin.200221013

Cited by 16 publications

(15 citation statements)

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“…In the battery type comparison, LFP shows the longest cycle life. Other studies [34], [60] have also shown that LFP cells have longer cycle life compared to other types of lithium-ion batteries. Yet this result does not lead to the conclusion that LFP cells are the best choice for frequency regulation because battery types also differ in efficiency, energy density, and production cost.…”

Section: Model Application Case Studymentioning

confidence: 93%

Modeling of Lithium-Ion Battery Degradation for Cell Life Assessment

Oudalov

Ulbig

et al. 2018

IEEE Trans. Smart Grid

739

409

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Rechargeable lithium-ion batteries are promising candidates for building grid-level storage systems because of their high energy and power density, low discharge rate, and decreasing cost. A vital aspect in energy storage planning and operations is to accurately model the aging cost of battery cells, especially in irregular cycling operations. This paper proposes a semi-empirical lithium-ion battery degradation model that assesses battery cell life loss from operating profiles. We formulate the model by combining fundamental theories of battery degradation and our observations in battery aging test results. The model is adaptable to different types of lithium-ion batteries, and methods for tuning the model coefficients based on manufacturer's data are presented. A cycle-counting method is incorporated to identify stress cycles from irregular operations, allowing the degradation model to be applied to any battery energy storage (BES) applications. The usefulness of this model is demonstrated through an assessment of the degradation that a BES would incur by providing frequency control in the PJM regulation market.

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Section: Model Application Case Studymentioning

confidence: 93%

Modeling of Lithium-Ion Battery Degradation for Cell Life Assessment

Oudalov

Ulbig

et al. 2018

IEEE Trans. Smart Grid

739

409

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“…The materials demonstrate exceptional stability and can provide high voltage and capacity when used in lithium based batteries, but their characteristically low electrical conductivities10–14 are their biggest challenge for implementation as battery materials. In order to enhance Li x MPO 4 electrical conductivity, several strategies have emerged in the scientific literature, including coating of Li x MPO 4 particles with carbon, 15, 16 co-synthesizing the Li x MPO 4 materials with carbon to achieve intimate contact of the particles with the conductive material,13, 17 adding silver and copper powder to the Li x MPO 4 matrix to achieve improved conductivity,18, 19 or the solid-solution doping of LiFePO 4 20. Unfortunately, the strategies involving the addition of an external conducting material require additional processing steps and can significantly reduce energy density due to the presence of the extraneous inert conducting material.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Reduction of Silver Vanadium Phosphorus Oxide, Ag₂VO₂PO₄: The Formation of Electrically Conductive Metallic Silver Nanoparticles

Takeuchi¹,

Marschilok²,

Tanzil³

et al. 2009

Chem. Mater.

137

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As a cathode material, silver vanadium phosphorous oxide (Ag 2 VO 2 PO 4 ) displays several notable electrochemical properties: large capacity, high current capability, and an effective delivery of high current pulses. These cell performance characteristics can be attributed to the presence of silver nanoparticles formed in-situ during the electrochemical reduction of Ag 2 VO 2 PO 4 . Specifically, changes in the composition and structure of Ag 2 VO 2 PO 4 with reduction, especially the formation of silver nanoparticles, are detailed to rationalize a 15,000 fold increase in conductivity with initial discharge, which can be related to the power characteristics associated with Ag 2 VO 2 PO 4 cathodes in primary lithium batteries.

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“…There were systematic works of many research groups worldwide to adopt various processes and methods to overcome the main disadvantage of LiFePO 4 restricting its application, low electronic conductivity. Various methods have been applied, including different synthesis techniques, coating by a conductive layer of carbon [3][4][5][6] and dispersed metal particles [7], preparation of LiFePO 4 /carbon composites [5,[8][9][10][11], producing smaller particles of cathode material [5,7,12]. Nowadays, LiFePO 4 cathode has become one of the main commercial cathode materials for lithium batteries.…”

Section: Introductionmentioning

confidence: 99%

LiMnPO4 Olivine as a Cathode for Lithium Batteries

Bakenov¹,

Taniguchi

2011

TOMSJ

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The olivine structured mixed lithium-transition metal phosphates LiMPO 4 (M = Fe, Mn, Co) have attracted tremendous attention of many research teams worldwide as a promising cathode materials for lithium batteries. Among them, lithium manganese phosphate LiMnPO 4 is the most promising considering its high theoretical capacity and operating voltage, low cost and environmental safety. Various techniques were applied to prepare this perspective cathode for lithium batteries. The solution based synthetic routes such as spray pyrolysis, precipitation, sol-gel, hydrothermal and polyol synthesis allow preparing nanostructured powders of LiMnPO 4 with enhanced electrochemical properties, which is mostly attributed to the higher chemical homogeneity and narrow particle size distribution of the material. Up-to-date, the LiMnPO 4 /C composites prepared by the spray pyrolysis route have the best electrochemical performance among the reported in the literature.

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ChemInform Abstract: A Novel Concept for the Synthesis of an Improved LiFePO₄ Lithium Battery Cathode.

Cited by 16 publications

References 1 publication

Modeling of Lithium-Ion Battery Degradation for Cell Life Assessment

Modeling of Lithium-Ion Battery Degradation for Cell Life Assessment

Electrochemical Reduction of Silver Vanadium Phosphorus Oxide, Ag₂VO₂PO₄: The Formation of Electrically Conductive Metallic Silver Nanoparticles

LiMnPO4 Olivine as a Cathode for Lithium Batteries

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ChemInform Abstract: A Novel Concept for the Synthesis of an Improved LiFePO4 Lithium Battery Cathode.

Cited by 16 publications

References 1 publication

Modeling of Lithium-Ion Battery Degradation for Cell Life Assessment

Modeling of Lithium-Ion Battery Degradation for Cell Life Assessment

Electrochemical Reduction of Silver Vanadium Phosphorus Oxide, Ag2VO2PO4: The Formation of Electrically Conductive Metallic Silver Nanoparticles

LiMnPO4 Olivine as a Cathode for Lithium Batteries

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Product

Resources

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ChemInform Abstract: A Novel Concept for the Synthesis of an Improved LiFePO₄ Lithium Battery Cathode.

Electrochemical Reduction of Silver Vanadium Phosphorus Oxide, Ag₂VO₂PO₄: The Formation of Electrically Conductive Metallic Silver Nanoparticles