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Merck
CN

990445

Sigma-Aldrich

Lithium manganese iron phosphate LMFP

Electrode sheet, aluminum substrate, size 5 in. x 10 in.

Synonym(s):

LMFP tape, Lithium iron manganese phosphate cathode

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About This Item

Linear Formula:
LiMn(x)Fe(x-1)PO4
UNSPSC Code:
26111700
NACRES:
NA.21
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Product Name

Lithium manganese iron phosphate (LMFP), Electrode sheet, aluminum substrate, size 5 in. x 10 in.

grade

battery grade

Quality Level

description

3.8V vs. Li/Li+

form

sheet

composition

Active material loading 8.9 mg/cm2 ± 5%, ≥85% by wt (excluding current collector)

film size

80 μm × 16 μm , Al current collector

particle size

2 μm (active material characteristic)

capacity

(Areal capacity 1.25 mAh/cm2)
(First discharge capacity ≥140 mAh/g)

application(s)

battery manufacturing

SMILES string

[Li].[Mn].[Fe].O=P([O-])([O-])[O-]

InChI key

ZWXLZABZHZXDGX-UHFFFAOYSA-K

General description

Our lithium manganese iron phosphate (LMFP) electrode sheet is a ready-to-use cathode designed for lithium-ion battery research. The LMFP cathode film is 80 µm thick, single-sided, and applied to a 16 µm thick aluminum foil current collector measuring 5 × 10 inches (127 mm × 254 mm). The composition consists of 88% lithium iron phosphate (LFP), 4% Poly(vinylidene fluoride) [PVDF], and 8% carbon black. The active material, olivine LiMnxFe1−xPO4, is a well-studied cathode material known for its excellent cycling stability.

Application

Our lithium manganese iron phosphate (LMFP) electrode serves as a cathode in lithium-ion battery research. It is cost-effective, environmentally friendly, and cobalt-free. Compared to lithium iron phosphate (LFP), LMFP boasts a nearly 20% higher energy density due to its higher nominal voltage (3.8 V for LMFP vs. 3.2 V for LFP). Moreover, LMFP offers high specific capacity (>150 mAh/g) and a longer cycle life compared to most other lithium-ion chemistries. LMFP cells experience a slower rate of capacity loss and greater calendar-life than other lithium-ion battery chemistries, such as layered oxides cathodes NMC and LCO. Due to its low cost, low toxicity, stability, and reliable performance, LMFP-based batteries are increasingly applied in vehicle and backup power applications.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Jinli Liu et al.
Small (Weinheim an der Bergstrasse, Germany), 20(14), e2309629-e2309629 (2023-11-21)
LiMn1-yFeyPO4 (LMFP) is a significant and cost-effective cathode material for Li-ion batteries, with a higher working voltage than LiFePO4 (LFP) and improved safety features compared to layered oxide cathodes. However, its commercial application faces challenges due to a need for
Value of electrophysiologic testing in patients with previous myocardial infarction and nonsustained ventricular tachycardia. Philadelphia Arrhythmia Group
Kowey PR,et.al
The American Journal of Cardiology, 9, 594-598 (1990)
Engineering the Transformation Strain in LiMnyFe1-yPO4 Olivines for Ultrahigh Rate Battery Cathodes
Ravnsb?k D B, et.al
Nano Letters, 16(4), 2375-2380 (2016)

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