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Merck
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934771

Sigma-Aldrich

Lithium iron phosphate

greener alternative

electrode sheet, aluminum substrate, size 5 in. × 10 in.

同義詞:

LFP electrode

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About This Item

經驗公式(希爾表示法):
LiFePO4
分子量::
157.76
分類程式碼代碼:
26111700
NACRES:
NA.21

材料

aluminum substrate (current collector)

品質等級

等級

battery grade

描述

Capacity: >= 170 mAh/g
Description/Nominal Voltage: 3.2 V vs. Li/Li+

化驗

≥98% (active material characteristic)

成份

Active material loading 7.3 mg/cm2 ± 5%, ≥85%

環保替代產品特色

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

sustainability

Greener Alternative Product

尺寸

16 μm , aluminum current collector
5 in. × 10 in.

厚度

70 μm ± 5% , excluding current collector

孔徑

~2 μm particle size (active material characteristic)

容量

≥170 mAh/g (Nominal)

應用

battery manufacturing

環保替代類別

一般說明

Our lithium iron phosphate (LFP) electrode sheet is a ready-to-use cathode for lithium-ion battery research. The LFP cathode film is cast 70 µm thick, single-sided, on a 16 µm thick aluminum foil current collector that is 5 × 10 inches (127 mm × 254 mm) in size. The composition is 88% lithium iron phosphate (LFP), 4% Poly(vinylidene fluoride) [PVDF] and 8% carbon black. The active material, olivine LiFePO4, is a well-studied cathode material, known for its excellent cycling stability.
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 information.

應用

The primary application of our lithium iron phosphate (LFP) electrode is as a cathode in lithium-ion battery research. LFP is inexpensive, nontoxic, cobalt-free, and environmentally benign. It achieves high specific capacity (>150 mAh/g) and offers a considerably longer cycle life than other lithium-ion chemistries. LFP cells experience a slower rate of capacity loss and greater calendar-life than lithium-ion battery chemistries such as cobalt (LiCoO2), manganese spinel (LiMn2O4), lithium-ion polymer batteries (LiPo battery), and nickel-based lithium-ion cathodes. Because of its low-cost, low-toxicity, long-term stability, and well-defined performance, LFP-based batteries are finding roles in vehicle use and backup power applications.

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

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存取文件庫

Degradation of Commercial Lithium-Ion Cells as a Function of Chemistry and Cycling Conditions
Preger Y, et al.
Journal of the Electrochemical Society, 167, 120532-120532 (2020)
Chemical State of Iron of LiFePO4 during Charge-Discharge Cycles Studied by In-Situ X-ray Absorption Spectroscopy
Inoue K, et al.
Materials Transactions, 51, 2220-2224 (2010)
Phospho-olivines as Positive-Electrode Materials for Rechargeable Lithium Batteries
Padhi A K, et al.
Journal of the Electrochemical Society, 144, 1188-1194 (1997)

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