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934690

Sigma-Aldrich

Graphite

greener alternative

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

Sinónimos:

Carbon anode, Graphite anode

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About This Item

UNSPSC Code:
26111700
NACRES:
NA.21

material

copper substrate (current collector)

Quality Level

grade

battery grade

description

Description/Nominal Voltage: 0.1 V vs Li/Li+

assay

≥98% (active material characteristic)

composition

Active material loading 6.5 mg/cm2 ± 5%

greener alternative product characteristics

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

sustainability

Greener Alternative Product

size

10 μm , copper current collector
5 in. × 10 in.
60 μm , excluding current collector

particle size

15-20 μm (active material characteristic)

capacity

≥370 mAh/g (Nominal Discharge)

application(s)

battery manufacturing

greener alternative category

General description

Graphite electrode sheet is a ready-to-use graphite anode film, cast single-sided on 10 µm thick copper foil current collectors. The sheets are 5 inches x 10 inches (127 mm x 254 mm). The composition is 90% graphite, 5% Poly(vinylidene fluoride) [PVDF] and 5% Carbon Black. PVDF acts as binder due to its thermal and electrochemical 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.

Application

Our graphite electrode sheet is ready-to-use as an anode in rechargeable batteries, especially lithium-ion batteries and potassium-ion batteries. The primary advantages of graphite electrodes are a low insertion/deinsertion potential (0.1V vs. Li/Li+) and a high capacity, exceeding 340 mAh/g, coupled with stable cycling performance from the lack of dendrite formation. Our graphite electrodes have a high active material loading (90%) and achieve high areal capacity (2.4 mAh/cm2), allowing them to operate even at high charge currents like 5C. These electrodes offer excellent, consistent performance making them useful for research as a benchmark and counter electrode for experimental studies of cathode and electrolyte optimization as well as mechanistic in operando studies.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Visite la Librería de documentos

Graphite as anode materials: Fundamental mechanism, recent progress and advances
Zhang Hao, et al
Energy Storage Materials, 36, 147-170 (2021)
Recent progress of electrode materials cooperated with potassium bis(fluorosulfonyl)imide?containing electrolyte for K-ion batteries
Xie, Junpeng, et al.
Materials Today, 6, 100035-100035 (2020)
Graphite as anode materials: Fundamental mechanism, recent progress and advances
Zhang H, et al.
Energy Storage Materials, 36, 147-170 (2021)

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