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934690

Sigma-Aldrich

Graphite

greener alternative

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

Synonym(s):

Carbon anode, Graphite anode

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About This Item

UNSPSC Code:
26111700
NACRES:
NA.21

material

copper substrate (current collector)

Quality Level

100

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

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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

Enabling

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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.
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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 Code

11 - Combustible Solids

WGK

WGK 2

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

934690-BULK:
934690-1EA:
934690-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW7304

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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)
Graphite as anode materials: Fundamental mechanism, recent progress and advances
Zhang Hao, et al
Energy Storage Materials, 36, 147-170 (2021)

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