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759546

Sigma-Aldrich

Lithium iron(II) phosphate

greener alternative

powder, <5 μm particle size (BET), >97% (XRF)

Sinónimos:

Ferrous lithium phosphate, Iron lithium phosphate, LFP, Triphylite

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About This Item

Fórmula lineal:
LiFePO4
Número de CAS:
15365-14-7
Peso molecular:
157.76
Número MDL:
MFCD07369732
Código UNSPSC:
26111700
NACRES:
NA.23
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grado

battery grade

Ensayo

>97% (XRF)

Formulario

powder

mol peso

Mw 157.76 g/mol

composición

LiFePO4

características de los productos alternativos más sostenibles

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

tamaño de partícula

<5 μm (BET)

mp

>300 °C (lit.)

densidad

3.6 g/cm3 (lit.)

aplicaciones

battery manufacturing

categoría alternativa más sostenible

Enabling,

cadena SMILES

[Fe+2].[Li+].[P](=O)([O-])([O-])[O-]

InChI

1S/Fe.Li.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q+2;+1;/p-3

Clave InChI

GELKBWJHTRAYNV-UHFFFAOYSA-K

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Categorías relacionadas

Descripción general

Lithium iron(II) phosphate (LiFePO4), also called LFP, is a crystalline, grey-to-black powder with an olivine crystal structure. This unique structure facilitates efficient diffusion of lithium-ions, thanks to the three-dimensional interconnected iron phosphate tetrahedra that form pathways for lithium ions to diffuse. Additionally, the structure is highly stable, not deforming, even after thousands of cycles of lithium intercalation. Our LiFePO4 powder is manufactured to meet high purity with a tightly controlled particle size of less than 5 μm.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more details.

Aplicación

LiFePO4 is a widely used cathode for rechargeable Li batteries. It has high energy density, wide operating temperature, thermal stability, long cycle life and application life, environmental friendliness, and safety that make it a promising electrode material for greener and safer lithium-ion batteries.[1][2][3]

Características y beneficios

LiFePO4-based batteries can last longer, operate safely and reliably, and power devices in a wide range of temperatures.
✔ Achieves 1000s of cycles
✔ Safer than cobalt or manganese-based cathode materials
✔ Reliable performance

Información legal

Product of Engi-Mat Co.

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Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCV7115
MKCT5918
MKCR4799
MKCP6326
MKCM0656

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Low temperature hydrothermal synthesis of battery grade lithium iron phosphate
Benedek P, et al.
Royal Society of Chemistry Advances, 7(29), 17763-17767 (2017)
Electrochemical noise measurement of a lithium iron (II) phosphate (LiFePO4) rechargeable battery
Astafev E, et al.
Instrumentation Science & Technology, 48(1), 75-85 (2020)
Byoungwoo Kang et al.
Nature, 458(7235), 190-193 (2009-03-13)
The storage of electrical energy at high charge and discharge rate is an important technology in today's society, and can enable hybrid and plug-in hybrid electric vehicles and provide back-up for wind and solar energy. It is typically believed that
P Subramanya Herle et al.
Nature materials, 3(3), 147-152 (2004-03-03)
The provision of efficient electron and ion transport is a critical issue in an exciting new group of materials based on lithium metal phosphates that are important as cathodes for lithium-ion batteries. Much interest centres on olivine-type LiFePO(4), the most
Kim, G. T.; et al.
Journal of Power Sources, 196, 2187-2187 (2011)
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Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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